NL67250C - - Google Patents

Info

Publication number: NL67250C
Authority: NL; Netherlands

Application number

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.)

1949-07-22

Publication of NL67250C publication Critical patent/NL67250C/xx

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
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes
- 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
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/08—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from amino-carboxylic acids
- C08G69/14—Lactams
- C08G69/16—Preparatory processes
- C08G69/18—Anionic polymerisation
- C08G69/20—Anionic polymerisation characterised by the catalysts used

NL67250D 1949-07-22 NL67250C (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
NL678956X		1949-07-22

Publications (1)

Publication Number	Publication Date
NL67250C true NL67250C (xx)

Family

ID=19802374

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL67250D NL67250C (xx)	1949-07-22

Country Status (6)

Country	Link
US (1)	US2622076A (xx)
BE (1)	BE494129A (xx)
DE (1)	DE818425C (xx)
FR (1)	FR1015715A (xx)
GB (1)	GB678956A (xx)
NL (1)	NL67250C (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL125681C (xx) *	1958-04-04
NL243725A (xx) *	1958-09-25
DE2554788C2 (de) *	1975-12-05	1982-06-16	Aleksandr V. Moskva Beresovskij	Verfahren zur Herstellung von Polyamiden
US4124468A (en) *	1975-12-08	1978-11-07	Serenkov Vasily I	Process for the production of polyamides

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE929933C (de) *	1938-11-28	1955-07-07	Hoechst Ag	Verfahren zur Herstellung von schmelzbaren, hochpolymeren, linearen Polyamiden

0
- NL NL67250D patent/NL67250C/xx active
- BE BE494129D patent/BE494129A/xx unknown
1950
- 1950-03-07 GB GB5770/50A patent/GB678956A/en not_active Expired
- 1950-03-08 DE DEN589A patent/DE818425C/de not_active Expired
- 1950-03-13 FR FR1015715D patent/FR1015715A/fr not_active Expired
- 1950-05-29 US US165106A patent/US2622076A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
US2622076A (en)	1952-12-16
GB678956A (en)	1952-09-10
DE818425C (de)	1951-10-25
FR1015715A (fr)	1952-10-20
BE494129A (xx)

Publication	Publication Date	Title
FR962464A (xx)	1950-06-10
AT166754B (xx)	1950-09-25
AT193848B (xx)	1957-12-10
BE488341A (xx)
BE488429A (xx)	1949-04-30
BE494129A (xx)
BE480597A (xx)
BE155588A (xx)
BE437616A (xx)
BE449134A (xx)
BE457200A (xx)
BE480618A (xx)
BE476015A (xx)
BE482756A (xx)
BE483443A (xx)
BE483689A (xx)
NL83733C (xx)
NL73735C (xx)
NL72797C (xx)
NL67431C (xx)
BE500224A (xx)
BE498832A (xx)
BE495901A (xx)
BE476643A (xx)
BE476829A (xx)