NL7311834A - - Google Patents

Info

Publication number: NL7311834A
Authority: NL; Netherlands

Application number

NL7311834A

Other versions

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

1974-03-04

1973-08-28 Application filed filed Critical

1974-03-04 Publication of NL7311834A publication Critical patent/NL7311834A/xx

1984-11-16 Publication of NL176466B publication Critical patent/NL176466B/xx

1985-04-16 Application granted granted Critical

1985-04-16 Publication of NL176466C publication Critical patent/NL176466C/xx

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

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Extraction Or Liquid Replacement (AREA)
Polyamides (AREA)

NLAANVRAGE7311834,A 1972-08-30 1973-08-28 Werkwijze voor het continu extraheren van monomeren en/of oligomeren bevattend polylactamgranulaat met water. NL176466C (nl)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2242641A DE2242641C3 (de)	1972-08-30	1972-08-30	Verfahren zum kontinuierlichen Extrahieren von Polylactamen

Publications (3)

Publication Number	Publication Date
NL7311834A true NL7311834A (it)	1974-03-04
NL176466B NL176466B (nl)	1984-11-16
NL176466C NL176466C (nl)	1985-04-16

Family

ID=5855008

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NLAANVRAGE7311834,A NL176466C (nl)	1972-08-30	1973-08-28	Werkwijze voor het continu extraheren van monomeren en/of oligomeren bevattend polylactamgranulaat met water.

Country Status (16)

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

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2622463C3 (de) *	1976-05-20	1985-06-05	Basf Ag, 6700 Ludwigshafen	Verfahren zur Reinigung von crotonsäurehaltigen Copolymerisaten
DE3026538A1 (de) *	1980-07-12	1982-02-11	Basf Ag, 6700 Ludwigshafen	Verfahren zur kontinuierlichen extraktion von caprolactam als solches und dessen oligomere enthaltenden waessrigen loesungen
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 (de) *	1996-02-29	2002-10-24	Polymer Eng Gmbh	Verfahren und Vorrichtung zur kontinuierlichen Extraktion von polymeren Granulaten
DE19752182A1 (de) *	1997-11-25	1999-05-27	Basf Ag	Verfahren zur kontinuierlichen Extraktion von Polyamid
FR2846333B1 (fr) *	2002-10-23	2004-12-03	Atofina	Augmentation du point de fusion et de l'enthalpie de fusion des polyamides par un traitement a l'eau
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
DE102015201969A1 (de) *	2015-02-04	2016-08-04	Thyssenkrupp Ag	Verfahren und Vorrichtung zur Herstellung von Polyamiden mit optimierter Strömungsführung

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 (de) *	1968-03-30	1974-04-18	Basf Ag, 6700 Ludwigshafen	Verfahren zum kontinuierlichen Extrahieren von körnigen Polyamiden
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/de not_active Expired
1973
- 1973-08-20 AR AR249818A patent/AR198003A1/es active
- 1973-08-21 IT IT28055/73A patent/IT998426B/it active
- 1973-08-24 GB GB4016473A patent/GB1440946A/en not_active Expired
- 1973-08-28 IE IE1505/73A patent/IE38137B1/xx unknown
- 1973-08-28 CA CA179,823A patent/CA1011897A/en not_active Expired
- 1973-08-28 US US05/392,243 patent/US4051113A/en not_active Expired - Lifetime
- 1973-08-28 PL PL1973164887A patent/PL92485B1/xx unknown
- 1973-08-28 DD DD173160A patent/DD105815A5/xx unknown
- 1973-08-28 LU LU68321A patent/LU68321A1/xx unknown
- 1973-08-28 NL NLAANVRAGE7311834,A patent/NL176466C/xx not_active IP Right Cessation
- 1973-08-29 SU SU1959000A patent/SU516356A3/ru active
- 1973-08-29 FR FR7331214A patent/FR2197922B1/fr not_active Expired
- 1973-08-29 DK DK474073A patent/DK135725C/da active
- 1973-08-30 JP JP48096758A patent/JPS5026595B2/ja not_active Expired
- 1973-08-30 BE BE135127A patent/BE804236A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE2242641B2 (de)	1979-10-04
DE2242641A1 (de)	1974-04-11
IE38137L (en)	1974-02-28
IT998426B (it)	1976-01-20
PL92485B1 (it)	1977-04-30
DD105815A5 (it)	1974-05-12
JPS4953994A (it)	1974-05-25
AR198003A1 (es)	1974-05-24
BE804236A (fr)	1974-02-28
NL176466C (nl)	1985-04-16
SU516356A3 (ru)	1976-05-30
NL176466B (nl)	1984-11-16
IE38137B1 (en)	1978-01-04
US4051113A (en)	1977-09-27
DE2242641C3 (de)	1980-06-19
FR2197922A1 (it)	1974-03-29
FR2197922B1 (it)	1977-02-25
LU68321A1 (it)	1973-10-30
DK135725B (da)	1977-06-13
DK135725C (da)	1977-11-21
GB1440946A (en)	1976-06-30
JPS5026595B2 (it)	1975-09-02
CA1011897A (en)	1977-06-07

Legal Events

Date	Code	Title
1980-05-27	BC	A request for examination has been filed
1985-01-01	A85	Still pending on 85-01-01
1991-04-16	V1	Lapsed because of non-payment of the annual fee

Publication	Publication Date	Title
FR2174111B1 (it)	1976-11-05
CS155031B1 (it)	1974-04-30
FR2197922B1 (it)	1977-02-25
JPS5146733Y2 (it)	1976-11-11
JPS5035966B2 (it)	1975-11-20
JPS493258U (it)	1974-01-12
CS156847B1 (it)	1974-08-23
JPS4887050U (it)	1973-10-22
JPS5240054Y2 (it)	1977-09-10
JPS5213496Y2 (it)	1977-03-26
CS161020B1 (it)	1975-05-04
CS156339B1 (it)	1974-07-24
JPS4993358U (it)	1974-08-13
JPS4991003U (it)	1974-08-07
JPS495366U (it)	1974-01-17
JPS494986A (it)	1974-01-17
JPS4943248U (it)	1974-04-16
JPS4979625U (it)	1974-07-10
CS156343B1 (it)	1974-07-24
JPS4919312U (it)	1974-02-19
CS155484B1 (it)	1974-05-30
CS155638B1 (it)	1974-05-30
CS159943B1 (it)	1975-02-28
CS159806B1 (it)	1975-02-28
CS157956B1 (it)	1974-10-15