USRE29093E - Tabletting spherical dental amalgam alloy - Google Patents
Tabletting spherical dental amalgam alloy Download PDFInfo
- Publication number
- USRE29093E USRE29093E US05/676,185 US67618576A USRE29093E US RE29093 E USRE29093 E US RE29093E US 67618576 A US67618576 A US 67618576A US RE29093 E USRE29093 E US RE29093E
- Authority
- US
- United States
- Prior art keywords
- hydrochloric acid
- alloy particles
- spherical
- cupric chloride
- acid solution
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K6/00—Preparations for dentistry
- A61K6/80—Preparations for artificial teeth, for filling teeth or for capping teeth
- A61K6/84—Preparations for artificial teeth, for filling teeth or for capping teeth comprising metals or alloys
- A61K6/847—Amalgams
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/17—Metallic particles coated with metal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/12181—Composite powder [e.g., coated, etc.]
Abstract
Description
TABLE I ______________________________________ Hydrochloric Acid - Cupric Chloride Treatment of Spherical Alloy Particles ______________________________________ Hydrochloric Acid Water (37% conc.) Cupric Chloride . 2H.sub.2 O (cc) (cc) (grams) ______________________________________ 0 100 0.25 10 90 0.25 25 75 0.25 50 50 0.25 70 30 0.25 75 25 0.25 90 10 0.25 ______________________________________
TABLE II ______________________________________ Concentration of Cupric Chloride Dihydrate in Spherical Alloy Tablets ______________________________________ Hydrochloric Acid Water (37% conc.) CuCl.sub.2 . 2H.sub.2 O (cc) (cc) (grams) ______________________________________ 90 10 0.10 90 10 0.25 90 10 0.50 90 10 1.00 90 10 5.00 90 10 10.00 ______________________________________
______________________________________ Silver Tin Copper Zinc ______________________________________ 59.4 27.1 14.3 0.05 59.7 26.6 14.3 0.05 59.2 26.9 14.1 0.05 59.1 26.5 13.9 0.01 59.4 27.6 12.9 0.01 .[.71.7.]. .[.25.2.]. .[.2.1.]. .[.1.0.]. .[.71.1.]. .[.25.8.]. .[.1.4.]. .[.0.6.]. .[.71.5.]. .[.26.5.]. .[.2.0.]. .[.0.2.]. ______________________________________
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/676,185 USRE29093E (en) | 1974-12-13 | 1976-04-12 | Tabletting spherical dental amalgam alloy |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/532,438 US3933961A (en) | 1974-12-13 | 1974-12-13 | Tabletting spherical dental amalgam alloy |
US05/676,185 USRE29093E (en) | 1974-12-13 | 1976-04-12 | Tabletting spherical dental amalgam alloy |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US05/532,438 Reissue US3933961A (en) | 1974-12-13 | 1974-12-13 | Tabletting spherical dental amalgam alloy |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE29093E true USRE29093E (en) | 1976-12-28 |
Family
ID=27063846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US05/676,185 Expired - Lifetime USRE29093E (en) | 1974-12-13 | 1976-04-12 | Tabletting spherical dental amalgam alloy |
Country Status (1)
Country | Link |
---|---|
US (1) | USRE29093E (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4689197A (en) | 1985-09-11 | 1987-08-25 | Degussa Aktiengesellschaft | Process for the production of a metallic denture |
US5318746A (en) * | 1991-12-04 | 1994-06-07 | The United States Of America As Represented By The Secretary Of Commerce | Process for forming alloys in situ in absence of liquid-phase sintering |
US5711866A (en) * | 1991-12-04 | 1998-01-27 | The United States Of America As Represented By The Secretary Of Commerce | Acid assisted cold welding and intermetallic formation and dental applications thereof |
US6042781A (en) | 1991-12-04 | 2000-03-28 | Materials Innovation, Inc. | Ambient temperature method for increasing the green strength of parts |
CN114438482A (en) * | 2022-01-19 | 2022-05-06 | 广东工业大学 | Treatment fluid for rapidly increasing chemical gold leaching thickness and application thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1803386A (en) * | 1927-01-10 | 1931-05-05 | Fischer Erik Wilhelm | Process for producing amalgams to be used in dentistry |
US3574607A (en) * | 1969-04-17 | 1971-04-13 | Merkl George | Aluminum-copper-mercury complex and methods for producing the same |
-
1976
- 1976-04-12 US US05/676,185 patent/USRE29093E/en not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1803386A (en) * | 1927-01-10 | 1931-05-05 | Fischer Erik Wilhelm | Process for producing amalgams to be used in dentistry |
US3574607A (en) * | 1969-04-17 | 1971-04-13 | Merkl George | Aluminum-copper-mercury complex and methods for producing the same |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4689197A (en) | 1985-09-11 | 1987-08-25 | Degussa Aktiengesellschaft | Process for the production of a metallic denture |
US5318746A (en) * | 1991-12-04 | 1994-06-07 | The United States Of America As Represented By The Secretary Of Commerce | Process for forming alloys in situ in absence of liquid-phase sintering |
US5711866A (en) * | 1991-12-04 | 1998-01-27 | The United States Of America As Represented By The Secretary Of Commerce | Acid assisted cold welding and intermetallic formation and dental applications thereof |
US6001289A (en) | 1991-12-04 | 1999-12-14 | Materials Innovation, Inc. | Acid assisted cold welding and intermetallic formation |
US6042781A (en) | 1991-12-04 | 2000-03-28 | Materials Innovation, Inc. | Ambient temperature method for increasing the green strength of parts |
US6375894B1 (en) | 1991-12-04 | 2002-04-23 | The United States Of America As Represented By The Secretary Of Commerce | Acid assisted cold welding and intermetallic formation and dental applications thereof |
CN114438482A (en) * | 2022-01-19 | 2022-05-06 | 广东工业大学 | Treatment fluid for rapidly increasing chemical gold leaching thickness and application thereof |
CN114438482B (en) * | 2022-01-19 | 2023-08-15 | 广东工业大学 | Treatment fluid for rapidly improving thickness of chemical gold leaching and application thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
STCF | Information on status: patent grant |
Free format text: PATENTED FILE - (OLD CASE ADDED FOR FILE TRACKING PURPOSES) |
|
AS | Assignment |
Owner name: S.S. WHITE COMPANY, THE, 100 SOUTH STREET, HOLMDEL Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:PENNWALT CORPORATION A PA. CORP;REEL/FRAME:004288/0006 Effective date: 19840715 |
|
AS | Assignment |
Owner name: SYBRON CORPORATION, 1100 MIDTOWN TOWER, ROCHESTER, Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:SS WHITE COMPANY THE, A CORP OF DE.;REEL/FRAME:004599/0890 Effective date: 19860509 |
|
AS | Assignment |
Owner name: KERR MANUFACTURING COMPANY, A CORP OF DE. Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:SYBRON CORPORATION;REEL/FRAME:004610/0363 Effective date: 19860731 |
|
AS | Assignment |
Owner name: MANUFACTURERS HANOVER TRUST COMPANY Free format text: ASSIGNMENT OF ASSIGNORS INTEREST. ASSIGNS THE ENTIRE INTEREST;ASSIGNORS:SAC/THERMOLYNE, INC.;SAC/BARNSTEAD, INC.;SAC/THERMO-BARN, INC.;AND OTHERS;REEL/FRAME:004834/0513 Effective date: 19871020 |
|
AS | Assignment |
Owner name: CHEMICAL BANK, NEW YORK Free format text: SECURITY INTEREST;ASSIGNORS:SYBRON CORP.;ORMCO CORP. A CORP. OF DELAWARE;KERR MANUFACTURING A CORP. OF DELAWARE;AND OTHERS;REEL/FRAME:006667/0903 Effective date: 19930701 |