CA1011897A - Extraction of polylactams - Google Patents

Extraction of polylactams

Info

Publication number: CA1011897A
Authority: CA; Canada
Prior art keywords: polylactams; extraction
Prior art date: 1972-08-30
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

Application number

CA179,823A

Other versions

CA179823S (en

Inventor

Ernst Kissel

Eckart Neumann

Ernst Guenther

Werner Hoerauf

Guenter Valentin

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

BASF SE

Original Assignee

BASF SE

Priority date (The priority date 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 date listed.)

1972-08-30

Filing date

1973-08-28

Publication date

1977-06-07

1973-08-28 Application filed by BASF SE filed Critical BASF SE

1977-06-07 Application granted granted Critical

1977-06-07 Publication of CA1011897A publication Critical patent/CA1011897A/en

Status Expired legal-status Critical Current

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/46—Post-polymerisation treatment

CA179,823A 1972-08-30 1973-08-28 Extraction of polylactams Expired CA1011897A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2242641A DE2242641C3 (en)	1972-08-30	1972-08-30	Process for the continuous extraction of polylactams

Publications (1)

Publication Number	Publication Date
CA1011897A true CA1011897A (en)	1977-06-07

Family

ID=5855008

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA179,823A Expired CA1011897A (en)	1972-08-30	1973-08-28	Extraction of polylactams

Country Status (16)

Country	Link
US (1)	US4051113A (en)
JP (1)	JPS5026595B2 (en)
AR (1)	AR198003A1 (en)
BE (1)	BE804236A (en)
CA (1)	CA1011897A (en)
DD (1)	DD105815A5 (en)
DE (1)	DE2242641C3 (en)
DK (1)	DK135725C (en)
FR (1)	FR2197922B1 (en)
GB (1)	GB1440946A (en)
IE (1)	IE38137B1 (en)
IT (1)	IT998426B (en)
LU (1)	LU68321A1 (en)
NL (1)	NL176466C (en)
PL (1)	PL92485B1 (en)
SU (1)	SU516356A3 (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2622463C3 (en) *	1976-05-20	1985-06-05	Basf Ag, 6700 Ludwigshafen	Process for the purification of copolymers containing crotonic acid
DE3026538A1 (en) *	1980-07-12	1982-02-11	Basf Ag, 6700 Ludwigshafen	METHOD FOR CONTINUOUS EXTRACTION OF CAPROLACTAM AS SUCH AND AQUEOUS SOLUTIONS CONTAINING THE SAME OF THE OLIGOMER
US4360662A (en) *	1980-11-19	1982-11-23	Celanese Corporation	Continuous countercurrent extraction process for removing water-soluble impurities from water immiscible polymer solutions
US4764588A (en) *	1987-03-09	1988-08-16	Gaf Corporation	Insoluble vinyl lactam clarifiers
US5496918A (en) *	1991-09-23	1996-03-05	Alliedsignal Inc.	Process for improving the properties of polymers
DE19607723C2 (en) *	1996-02-29	2002-10-24	Polymer Eng Gmbh	Process and device for the continuous extraction of polymeric granules
DE19752182A1 (en) *	1997-11-25	1999-05-27	Basf Ag	Continuous extraction of polyamide particle
US7468405B2 (en) *	2002-10-23	2008-12-23	Atofina	Increase in the melting point and the enthalpy of melting of polyamides by a water treatment
FR2846333B1 (en) *	2002-10-23	2004-12-03	Atofina	INCREASING THE MELTING POINT AND THE POLYAMIDE MELTING ENHALPIA BY WATER TREATMENT
DE102015201969A1 (en) *	2015-02-04	2016-08-04	Thyssenkrupp Ag	Process and device for the production of polyamides with optimized flow guidance

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3245964A (en) *	1962-11-13	1966-04-12	Allied Chem	Continuous extraction of poly-e-caproamide
US3374207A (en) *	1964-11-12	1968-03-19	Inventa Ag	Continuous process for the extraction of monomers and oligomers from highly polymerized caprolactam granules
DE1770097B2 (en) *	1968-03-30	1974-04-18	Basf Ag, 6700 Ludwigshafen	Process for the continuous extraction of granular polyamides
US3598537A (en) *	1968-06-05	1971-08-10	Metallgesellschaft Ag	Continuous liquid extraction of solubles from solids

1972
- 1972-08-30 DE DE2242641A patent/DE2242641C3/en not_active Expired
1973
- 1973-08-20 AR AR249818A patent/AR198003A1/en active
- 1973-08-21 IT IT28055/73A patent/IT998426B/en active
- 1973-08-24 GB GB4016473A patent/GB1440946A/en not_active Expired
- 1973-08-28 CA CA179,823A patent/CA1011897A/en not_active Expired
- 1973-08-28 DD DD173160A patent/DD105815A5/xx unknown
- 1973-08-28 NL NLAANVRAGE7311834,A patent/NL176466C/en not_active IP Right Cessation
- 1973-08-28 PL PL1973164887A patent/PL92485B1/xx unknown
- 1973-08-28 IE IE1505/73A patent/IE38137B1/en unknown
- 1973-08-28 US US05/392,243 patent/US4051113A/en not_active Expired - Lifetime
- 1973-08-28 LU LU68321A patent/LU68321A1/xx unknown
- 1973-08-29 FR FR7331214A patent/FR2197922B1/fr not_active Expired
- 1973-08-29 SU SU1959000A patent/SU516356A3/en active
- 1973-08-29 DK DK474073A patent/DK135725C/en active
- 1973-08-30 BE BE135127A patent/BE804236A/en not_active IP Right Cessation
- 1973-08-30 JP JP48096758A patent/JPS5026595B2/ja not_active Expired

Also Published As

Publication number	Publication date
IE38137L (en)	1974-02-28
LU68321A1 (en)	1973-10-30
FR2197922A1 (en)	1974-03-29
FR2197922B1 (en)	1977-02-25
PL92485B1 (en)	1977-04-30
US4051113A (en)	1977-09-27
DK135725B (en)	1977-06-13
DK135725C (en)	1977-11-21
GB1440946A (en)	1976-06-30
IT998426B (en)	1976-01-20
SU516356A3 (en)	1976-05-30
DE2242641C3 (en)	1980-06-19
JPS4953994A (en)	1974-05-25
DE2242641A1 (en)	1974-04-11
IE38137B1 (en)	1978-01-04
DD105815A5 (en)	1974-05-12
NL176466C (en)	1985-04-16
AR198003A1 (en)	1974-05-24
NL7311834A (en)	1974-03-04
JPS5026595B2 (en)	1975-09-02
NL176466B (en)	1984-11-16
BE804236A (en)	1974-02-28
DE2242641B2 (en)	1979-10-04

Publication	Publication Date	Title
CA981298A (en)	1976-01-06	Ski
CA995525A (en)	1976-08-24	Encapsulation process
CA1012679A (en)	1977-06-21	Extraction of polylactams
AU476709B2 (en)	1976-09-30	Explosive fuse-cord
CA1011897A (en)	1977-06-07	Extraction of polylactams
AU5320973A (en)	1974-09-12	Penicillins
AU5320873A (en)	1974-09-12	Penicillins
AU6285673A (en)	1975-05-29	Penicillins
AU474093B2 (en)	1976-07-15	Chemosterilization of ixodides
CA1008314A (en)	1977-04-12	Encapsulation process
ZA728867B (en)	1973-09-26	Penicillins
ZA734773B (en)	1974-06-26	Penicillins
CA909067A (en)	1972-09-05	Extraction of tea
CA905206A (en)	1972-07-18	Extraction of tea
CA939526A (en)	1974-01-08	Accelerometer
AU5834673A (en)	1975-01-23	Novel trialkoxybenzoylpeptides
ZA736026B (en)	1974-08-28	Penicillins
CA912792A (en)	1972-10-24	Extraction process
CA915510A (en)	1972-11-28	Mechanical time fuze
CA913623A (en)	1972-10-31	Penicillin preparation
CA913622A (en)	1972-10-31	Penicillin preparation
CA917010A (en)	1972-12-19	Torpedo
CA986571A (en)	1976-03-30	Gettering
AU475032B2 (en)	1976-08-12	Acenaphthenes
CA912928A (en)	1972-10-24	Encapsulation process