US2982234A - Method of printing waxed pellets, and printing ink - Google Patents
Method of printing waxed pellets, and printing ink Download PDFInfo
- Publication number
- US2982234A US2982234A US688151A US68815157A US2982234A US 2982234 A US2982234 A US 2982234A US 688151 A US688151 A US 688151A US 68815157 A US68815157 A US 68815157A US 2982234 A US2982234 A US 2982234A
- Authority
- US
- United States
- Prior art keywords
- weight
- ink
- printing
- pellet
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000008188 pellet Substances 0.000 title claims description 34
- 238000000034 method Methods 0.000 title claims description 15
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 30
- 229910021529 ammonia Inorganic materials 0.000 claims description 15
- 239000011248 coating agent Substances 0.000 claims description 14
- 238000000576 coating method Methods 0.000 claims description 14
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 claims description 13
- 231100000252 nontoxic Toxicity 0.000 claims description 7
- 230000003000 nontoxic effect Effects 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000000976 ink Substances 0.000 description 32
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 21
- 229920001800 Shellac Polymers 0.000 description 21
- 235000013874 shellac Nutrition 0.000 description 21
- 239000004208 shellac Substances 0.000 description 21
- ZLGIYFNHBLSMPS-ATJNOEHPSA-N shellac Chemical compound OCCCCCC(O)C(O)CCCCCCCC(O)=O.C1C23[C@H](C(O)=O)CCC2[C@](C)(CO)[C@@H]1C(C(O)=O)=C[C@@H]3O ZLGIYFNHBLSMPS-ATJNOEHPSA-N 0.000 description 21
- 229940113147 shellac Drugs 0.000 description 21
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 18
- 239000001993 wax Substances 0.000 description 16
- 229920002494 Zein Polymers 0.000 description 13
- 235000019441 ethanol Nutrition 0.000 description 12
- 239000004615 ingredient Substances 0.000 description 7
- 239000000975 dye Substances 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 238000009495 sugar coating Methods 0.000 description 4
- 239000006229 carbon black Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 239000001045 blue dye Substances 0.000 description 2
- 235000013869 carnauba wax Nutrition 0.000 description 2
- 239000004203 carnauba wax Substances 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 235000010919 Copernicia prunifera Nutrition 0.000 description 1
- 244000180278 Copernicia prunifera Species 0.000 description 1
- 229910052785 arsenic Inorganic materials 0.000 description 1
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 239000003995 emulsifying agent Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 239000000049 pigment Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 238000006748 scratching Methods 0.000 description 1
- 230000002393 scratching effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000009492 tablet coating Methods 0.000 description 1
- 239000002700 tablet coating Substances 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61J—CONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
- A61J3/00—Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
- A61J3/007—Marking tablets or the like
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2/00—Processes or devices for granulating materials, e.g. fertilisers in general; Rendering particulate materials free flowing in general, e.g. making them hydrophobic
- B01J2/006—Coating of the granules without description of the process or the device by which the granules are obtained
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/08—Printing inks based on natural resins
Description
printing or the like.
Unitcd cs P t i io METHOD OF PRINTING WAXED PELLETS, AND PRINTING INK No Drawing. Filed Oct. 4, 1957, Ser. No. 688,15l.
5 Claims. (Cl. 107-54) This invention relates to a method of applying markings to relatively'small objects such as capsules or pellets, hereinafter referred to generically as pellets, and to an ink for application to such pellets. More particularly, this invention hasto do with the printing of indicia on Wax-coated pharmaceutical pellets.
Inthe pending patent application of Amos Ackley, Serial No. 388,891, filed October 28, 1953, now abancloned, it is pointedout that it is frequently desired to place a manufacturers trademark or some other marking on pharmaceutical pellets, for purposes of ready identification. Although certain solid pellets have heretofore been molded or cast with the manufacturers marking molded thereon, a casting process is not applicable to pellets having a core or body portion consisting of a medical orpharmaceutical formula and surrounded by a hard shell or sugar. Such sugar coated pellets are usually formed with smooth outer surfaces, and it is then necessary to apply a marking to that surface by Often such printing is accomplished by applying a shellac coating to the surface of the sugar coating and then applying to the shellac coating an ink which has a shellac base. Due to the presence of shellac in both the ink and thecoat the ink adheres tenaciously to the coat and produces a highly acceptable product, However, the nature of the shellac surface is considered inferior by somepharmaceutical manufacturers, in view of its lack of polishor luster and also because of the absence of free-sliding characteristics.
Many manufacturers of pharmaceutical pellets consider it extremely desirable to apply a (carnauba) wax coating to each pellet, such coating being capable of t 'aking on a high polish, and also having very desirable sliding properties when the pellet is processed in a pellet marking machine such as the machine referred to in the co- 2,982,234 Patented May 2,
ink containing coacting proportions of cyclohexane and ammonia, which ingredients coact with one another and with the other ingredients of the ink to produce a marking of exceptional clarity and legibility, which marking penetrates into the wax layer and is not readily removed by scratching or rubbing.
After the printing operation, applying an ink as dis,- closed above, the pellet is dried for an extended period in order to provide the desired degree of hardness. 'I'he cyclohexane and ammonia evaporate as the drying pro-' ceeds. If desired, the drying operation can be accelerated by the application of'heat to a limited degree.
' Preferably in accordance with this invention, the ink consists essentially of a purified shellac, referred to as .confectioners glaze, mixed with selected quantities of ethyl alcohol and water white butyl alcohol, containing cyclohcxane and ammonia in substantial amounts, and also containing carbon black and a selected dye such as D and C blue dye #6 (Color Index Number K7024).
Preferably, the ink utilized in accordance with this method consists essentially of the following ingredients in parts by weight as indicated below: I
Parts by weight Confectioners glaze (purified shellac) mixed with Dye (D and C Blue #5,, Color Index N0. K7024) 0.9 2.1
'The confectioners glaze referred to above preferably consists of a purified shellac which is free of arsenic and lead, and which is also free ofwax. The ethyl alcohol,
like the confectioners glaze, must be fit for human conwith the purity of the other ingredients of the ink.
pending patent application referred to above. However,
the presence of the wax coating seriously complicates the printing operation because conventional inks having shellac bases do not print well on the wax coat, or adhere to it, and the markings readily rub off even after they have been dried on the waxed surface. g
It is' accordingly an object of this invention to provide a method of applying a marking to a pharmaceutical pellet having a: waxed sugar coating. Still another object of this invention is to provide an ink which'may be wax.
applied to a waxed sugar-coated pellet and which adheres tenaciously thereto. Still another object is to provide an ink and a method of applying the same to a waxed,
Cyclohexane in purified form is used. It has'the ability, when'co'mbined with ammonia, to cut through the carnauba wax which is applied to the sugar surface much better than any other non-toxic solvent of which we are aware.
The ammonia is conveniently purchased as 26 Baum (U.S.P.) ammonia, and apparently not only serves as an emulsifying agent for the wax, but coacts with the cyclohexane to provide an exceptionally rapid cutting of the It is believed that the ink, formulated as disclosed above, cuts rapidly through the entire thickness of the carnauba wax coating and reaches the surface of the sugar coating. v
The primary purpose of the ethyl alcohol and white butyl alcohol contained'in the confectioners glaze is to control the rate of evaporation of the ink. If the ink evaporates too rapidly, the ink does not have the opportunity to penetrate through the wax, whereas too slow evaporation results in a situation where the wet ink offse to other objects which the pellet contacts. It will accordingly be appreciated that the relative proportions of ethyl alcohol and white butyl alcohol are subject to considerable variation, depending upon the particular requirements of the specific process at hand. Preferably, however, the mixture of confectioners glaze with ethyl alcohol is a so-called 8 pound cut. An 8 pound cut" consisted 8.23 pounds of shellac plus alcohol in each gallon of alcohol, and consists of 57.4% by weight shellac and 48.6% by weight of ethyl alcohol. Similarly, although the amount ofbutyl alcohol may vary widely, it-is preferred to use a 6 pound cut of confectioners glaze in water white butyl alcohol. A 6 pound cut" consists of 8.00 pounds of total mixture per gallon of alcohol, and consists of 44.6% by weight shellac and 55.4% by weight butyl alcohol.
It will accordingly be appreciated that the essential ingredients of the ink utilized in the process of this invention are as follows: I
Parts by Weight Shellac (dissolved in an appropriate mixture of ethyl and butyl alcohol) 28-68 cyclohexane 8-22 Ammonia (26 Baum) 6-14 Dye or pigment 0.9-4.2
Not only does the invention as disclosed herein have the advantage that an exceedingly good printing job may be done on pellets having wide varieties of shapes and forms, but it has also been found that pellet printing machines of the type referred to in the Ackley application operate much better utilizing a waxed pellet as distinguished from a shellac coated pellet. The waxed pellet has a smooth, slippery surface which readily lends itself to the variety of pellet-handling operations that are performed by the automatic pellet printing machine, and it has been found that the capacity of almost any pellet printing machine presently in use can be greatly increased by first wax coating the pellets and then printing them in accordance with the process of this invention.
Although this invention has been described with reference to specific embodiments, it will be appreciated that variations may be made without departing from the scope of the invention. For example, equivalents may be substituted for those method steps and chemical compositions disclosed herein, method steps may be reversed so far as the mixing of the ingredients of the ink is concerned, and certain features of the invention may be utilized independently of the use of other features, all within the spirit and scope of the invention as defined in the appended claims.
Having thus described our invention, we claim:
1. In a method of preparing a printed edible pellet, the steps which comprise wax coating the surface of the pellet, and then penetrating the wax coating and printing said surface with a non-toxic edible ink containing in combination ammonia and cyclohexane in a ratio within a range of about 6 to 14 parts of ammonia calculated as 26 Baum and about 8 to 22 parts by weight of cyclohexane, and permitting the ink to dry.
2. In a method of preparing a printed edible pellet, the steps which comprise coating the pellet with wax, and then penetrating the wax coating and printing said surface with a non-toxic ink consisting essentially by weight of about 28-68 parts by weight of edible shellac, about 8-22 parts by weight of cyclohexane, about 6-14 parts by weight ammonia (calculated as 26 Baum) and about 0.9-4.2 parts by weight edible dye, and permitting the ink to dry.
3. In a method of preparing a printed pharmaceutical pellet having a sugar coating, the steps which comprise applying camauba wax to the sugar surface, polishing the waxed surface, and then penetrating said waxed surface and printing said sugar surface by applying to said wax surface a non-toxic edible ink, said ink consisting essentially of about 19-45 parts by weight of a confectioners glaze consisting of about 57.4% by weight of purified shellac and about 48.6% by weight of ethyl alcohol, about 9- 23 parts by weight of a confectioners glaze consisting of about 44.6% by weight of purified shellac and about 55.4% by weight of white butyl alcohol, about 8-22 parts by weight cyclohexane, about 6-14 parts by Weight of ammonia (calculated as 26 Baum) about .9-2.1 parts by weight of purified carbon black, and about .9-2.1
. parts by weight edible dye, and permitting the ink to dry.
4. 'A non-toxic ink for marking a waxed coated edible pellet beneath the waxed-coated surface thereof, said ink consisting essentially of about 19-45 parts by weight of a confectioners glaze consisting of about 57.4% by weight of purified shellac and about 48.6% by weight of ethyl alcohol, about 9-23 parts by Weight of a confectioners glaze consisting of about 44.6% by, weight of purified shellac and about 55.4% by weight of white butyl alcohol, about 9-23 parts by weight of cyclohexane, about 6-14 parts by weight ammonia (calculated as 26 Baum), and about .94.2 parts by weight dye.
5. A Wax-penetrable non-toxic ink for directly printing the surface of a sugar pellet having a wax surface which ink consists essentially of the following ingredients in the relative weight proportions indicated below:
, Parts by Weight Confectioners glaze (approximately 57.4% by weight of purified shellac and 48.6% by weight of ethyl alcohol) 19-45 Confectioners glaze (approximately 44.6% by weight purified shellac and 55.4% by weight water white butyl alcohol) 9-23 cyclohexane 8-22 26 Baum ammonia 6-14 Purified carbon black .9-2.1 Edible blue dye .9-2.l
References Cited in the file of this patent UNITED STATES PATENTS 200,589 Warner Feb. 19, 1878 504,064 Field Aug. 29, 1893 1,492,454 Halo Apr. 29, 1924 1,701,811 Keller Feb. 12, 1929 1,907,203 Wruble May 2, 1933 2,245,100 Bernstein June 10, 1941 r 2,450,959 Heinecke Oct. 12, 1948 2,865,810 Sanders Dec. 23, 1958 FOREIGN PATENTS 376,413 Great Britain July 14, 1932 OTHER REFERENCES Chemical Abstracts 43,6817c (1949).
Chemical Abstracts 47,3462a (1953).
Rowell: The Art of Coating Tablets," Drug and Cosmetic Industry, vol. 63, No. 4, October 1948, pp. 459, 460 and 549-51.
Clarkson: Tablet Coating," 1951 (pp. 34-58 especially relied upon).
Claims (1)
1. IN A METHOD OF PREPARING A PRINTED EDIBLE PELLET, THE STEPS WHICH COMPRISE WAX COATING THE SURFACE OF THE PELLET, AND THEN PENETRATING THE WAX COATING AND PRINTING SAID SURFACE WITH A NON-TOXIC EDIBLE INK CONTAINING IN COMBINATION AMMONIA AND CYCLOHEXANE IN A RATIO WITHIN A RANGE OF ABOUT 6 TO 14 PARTS OF AMMONIA CALCULATED AS 26* BAUME AND ABOUT 8 TO 22 PARTS BY WEIGHT OF CYCLOHEXANE, AND PERMITTING THE INK TO DRY.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US688151A US2982234A (en) | 1957-10-04 | 1957-10-04 | Method of printing waxed pellets, and printing ink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US688151A US2982234A (en) | 1957-10-04 | 1957-10-04 | Method of printing waxed pellets, and printing ink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US2982234A true US2982234A (en) | 1961-05-02 |
Family
ID=24763312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US688151A Expired - Lifetime US2982234A (en) | 1957-10-04 | 1957-10-04 | Method of printing waxed pellets, and printing ink |
Country Status (1)
| Country | Link |
|---|---|
| US (1) | US2982234A (en) |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3173839A (en) * | 1962-01-09 | 1965-03-16 | Smith Kline French Lab | Method of printing pharmaceutical forms |
| US3274061A (en) * | 1963-04-29 | 1966-09-20 | Warner Lambert Pharmaceutical | Process for stabilizing shellac coating |
| US3390049A (en) * | 1964-12-23 | 1968-06-25 | Smith Kline French Lab | Pharmaceutical tablets coated with wax-free ammonia solubilized water soluble shellac |
| US3438797A (en) * | 1965-10-21 | 1969-04-15 | Jerry Allen Biddle Sr | Method of preparing pharmaceutical tablets |
| US3463645A (en) * | 1966-11-02 | 1969-08-26 | Rex Lab Inc | Printing ink for waxed pellets and process for applying the same |
| US3524756A (en) * | 1967-05-29 | 1970-08-18 | Colorcon | Process of coating tablets with alternate tacky and non-tacky layers |
| US3533804A (en) * | 1968-02-02 | 1970-10-13 | Miles Lab | Tablet branding process and tablet |
| US4168662A (en) * | 1978-04-28 | 1979-09-25 | American Can Company | Videojet ink for printing on food products |
| US4456629A (en) * | 1982-07-12 | 1984-06-26 | E. R. Squibb & Sons, Inc. | Powdered wax, tablet coated therewith and method |
| US4482387A (en) * | 1982-07-12 | 1984-11-13 | E. R. Squibb & Sons, Inc. | Powdered wax, tablet coated therewith and method |
| US5391230A (en) * | 1993-07-07 | 1995-02-21 | Eastman Kodak Company | Apparatus for holding solid compact medicaments during processing |
| US20030211257A1 (en) * | 2002-05-08 | 2003-11-13 | Kazuyoshi Taniguchi | Capsules printed with sepia colored containing inks |
| US20050003055A1 (en) * | 2003-06-20 | 2005-01-06 | Baydo Robert A. | Food grade colored fluids for printing on edible substrates |
| US20050255205A1 (en) * | 2004-05-12 | 2005-11-17 | Sensient Flavors Inc. | Food grade ink jet inks for printing on edible substrates |
| US20060034984A1 (en) * | 2004-06-10 | 2006-02-16 | Sensient Imaging Technologies Inc. | Food grade ink jet inks for printing on edible substrates |
| US20060275528A1 (en) * | 2003-03-07 | 2006-12-07 | Thomas Collins | Perimeter enhancement on edible products |
| US20070048407A1 (en) * | 2003-03-07 | 2007-03-01 | Thomas Collins | Multicolor image optimization on edible colored products |
| US20080032011A1 (en) * | 2005-07-01 | 2008-02-07 | Sensient Colors Inc. | Flavored and Edible Colored Fluids for Printing on Edible Substrates and Precision Deposition Thereof |
| US20090186121A1 (en) * | 2006-05-01 | 2009-07-23 | Sensient Colors Inc. | Modified edible substrates suitable for printing |
| US20090269447A1 (en) * | 2008-04-25 | 2009-10-29 | Karen Brimmer | Heat-triggered colorants and methods of making and using the same |
| US20090298952A1 (en) * | 2008-05-07 | 2009-12-03 | Brimmer Karen S | Platable soluble dyes |
| US20100047415A1 (en) * | 2005-07-01 | 2010-02-25 | Sensient Imaging Technologies Inc. | Ink-jettable flavored fluids for printing on edible substrates |
| US20100055264A1 (en) * | 2008-08-29 | 2010-03-04 | Sensient Colors Inc. | Flavored and edible colored waxes and methods for precision deposition on edible substrates |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US200589A (en) * | 1878-02-19 | Improvement in machines for printing pills | ||
| US504064A (en) * | 1893-08-29 | Walter d | ||
| US1492454A (en) * | 1922-07-17 | 1924-04-29 | Arthur B Hale | Process of marking fruit |
| US1701811A (en) * | 1927-10-05 | 1929-02-12 | Keith K Keller | Capsule |
| GB376413A (en) * | 1931-05-05 | 1932-07-14 | Nicholas Drey | Improvements in printing inks |
| US1907203A (en) * | 1930-06-03 | 1933-05-02 | Wruble Milton | Coating for tablets, capsules, and pills |
| US2245100A (en) * | 1938-12-24 | 1941-06-10 | Interchem Corp | Method of making pigmented acid resin emulsion |
| US2450959A (en) * | 1945-08-11 | 1948-10-12 | Heinecke William | Silk screen printing ink |
| US2865810A (en) * | 1955-10-07 | 1958-12-23 | Jr Roy Y Sanders | Marked pharmaceutical tablet and method of marking the same |
-
1957
- 1957-10-04 US US688151A patent/US2982234A/en not_active Expired - Lifetime
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US200589A (en) * | 1878-02-19 | Improvement in machines for printing pills | ||
| US504064A (en) * | 1893-08-29 | Walter d | ||
| US1492454A (en) * | 1922-07-17 | 1924-04-29 | Arthur B Hale | Process of marking fruit |
| US1701811A (en) * | 1927-10-05 | 1929-02-12 | Keith K Keller | Capsule |
| US1907203A (en) * | 1930-06-03 | 1933-05-02 | Wruble Milton | Coating for tablets, capsules, and pills |
| GB376413A (en) * | 1931-05-05 | 1932-07-14 | Nicholas Drey | Improvements in printing inks |
| US2245100A (en) * | 1938-12-24 | 1941-06-10 | Interchem Corp | Method of making pigmented acid resin emulsion |
| US2450959A (en) * | 1945-08-11 | 1948-10-12 | Heinecke William | Silk screen printing ink |
| US2865810A (en) * | 1955-10-07 | 1958-12-23 | Jr Roy Y Sanders | Marked pharmaceutical tablet and method of marking the same |
Cited By (32)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3173839A (en) * | 1962-01-09 | 1965-03-16 | Smith Kline French Lab | Method of printing pharmaceutical forms |
| US3274061A (en) * | 1963-04-29 | 1966-09-20 | Warner Lambert Pharmaceutical | Process for stabilizing shellac coating |
| US3390049A (en) * | 1964-12-23 | 1968-06-25 | Smith Kline French Lab | Pharmaceutical tablets coated with wax-free ammonia solubilized water soluble shellac |
| US3438797A (en) * | 1965-10-21 | 1969-04-15 | Jerry Allen Biddle Sr | Method of preparing pharmaceutical tablets |
| US3463645A (en) * | 1966-11-02 | 1969-08-26 | Rex Lab Inc | Printing ink for waxed pellets and process for applying the same |
| US3524756A (en) * | 1967-05-29 | 1970-08-18 | Colorcon | Process of coating tablets with alternate tacky and non-tacky layers |
| US3533804A (en) * | 1968-02-02 | 1970-10-13 | Miles Lab | Tablet branding process and tablet |
| US4168662A (en) * | 1978-04-28 | 1979-09-25 | American Can Company | Videojet ink for printing on food products |
| US4456629A (en) * | 1982-07-12 | 1984-06-26 | E. R. Squibb & Sons, Inc. | Powdered wax, tablet coated therewith and method |
| US4482387A (en) * | 1982-07-12 | 1984-11-13 | E. R. Squibb & Sons, Inc. | Powdered wax, tablet coated therewith and method |
| US5391230A (en) * | 1993-07-07 | 1995-02-21 | Eastman Kodak Company | Apparatus for holding solid compact medicaments during processing |
| US20030211257A1 (en) * | 2002-05-08 | 2003-11-13 | Kazuyoshi Taniguchi | Capsules printed with sepia colored containing inks |
| US20070048407A1 (en) * | 2003-03-07 | 2007-03-01 | Thomas Collins | Multicolor image optimization on edible colored products |
| US20060275528A1 (en) * | 2003-03-07 | 2006-12-07 | Thomas Collins | Perimeter enhancement on edible products |
| US7431956B2 (en) | 2003-06-20 | 2008-10-07 | Sensient Imaging Technologies, Inc. | Food grade colored fluids for printing on edible substrates |
| US7842319B2 (en) | 2003-06-20 | 2010-11-30 | Sensient Imaging Technologies, Inc. | Food grade colored fluids for printing on edible substrates |
| US20050003055A1 (en) * | 2003-06-20 | 2005-01-06 | Baydo Robert A. | Food grade colored fluids for printing on edible substrates |
| US20090004345A1 (en) * | 2003-06-20 | 2009-01-01 | Sensient Imaging Technologies, Inc. | Food grade colored fluids for printing on edible substrates |
| US7247199B2 (en) | 2004-05-12 | 2007-07-24 | Baydo Robert A | Food grade ink jet inks for printing on edible substrates |
| US20050255205A1 (en) * | 2004-05-12 | 2005-11-17 | Sensient Flavors Inc. | Food grade ink jet inks for printing on edible substrates |
| US20080317914A1 (en) * | 2004-06-10 | 2008-12-25 | Sensient Imaging Technologies, Inc. | Food grade ink jet inks for printing on edible substrates |
| US7431957B2 (en) | 2004-06-10 | 2008-10-07 | Sensient Imaging Technologies, Inc. | Food grade ink jet inks for printing on edible substrates |
| US20060034984A1 (en) * | 2004-06-10 | 2006-02-16 | Sensient Imaging Technologies Inc. | Food grade ink jet inks for printing on edible substrates |
| US7842320B2 (en) | 2004-06-10 | 2010-11-30 | Sensient Imaging Technologies, Inc. | Food grade ink jet inks for printing on edible substrates |
| US20080032011A1 (en) * | 2005-07-01 | 2008-02-07 | Sensient Colors Inc. | Flavored and Edible Colored Fluids for Printing on Edible Substrates and Precision Deposition Thereof |
| US20100047415A1 (en) * | 2005-07-01 | 2010-02-25 | Sensient Imaging Technologies Inc. | Ink-jettable flavored fluids for printing on edible substrates |
| US20090186121A1 (en) * | 2006-05-01 | 2009-07-23 | Sensient Colors Inc. | Modified edible substrates suitable for printing |
| US20090269447A1 (en) * | 2008-04-25 | 2009-10-29 | Karen Brimmer | Heat-triggered colorants and methods of making and using the same |
| US10531681B2 (en) | 2008-04-25 | 2020-01-14 | Sensient Colors Llc | Heat-triggered colorants and methods of making and using the same |
| US20090298952A1 (en) * | 2008-05-07 | 2009-12-03 | Brimmer Karen S | Platable soluble dyes |
| US20100055264A1 (en) * | 2008-08-29 | 2010-03-04 | Sensient Colors Inc. | Flavored and edible colored waxes and methods for precision deposition on edible substrates |
| US9113647B2 (en) | 2008-08-29 | 2015-08-25 | Sensient Colors Llc | Flavored and edible colored waxes and methods for precision deposition on edible substrates |
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