BE741815A - - Google Patents

Info

Publication number: BE741815A
Authority: BE; Belgium

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.)

1968-11-19

Filing date

1969-11-17

Publication date

1970-05-19

1969-11-17 Application filed filed Critical

1970-05-19 Publication of BE741815A publication Critical patent/BE741815A/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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/34—Carboxylic acids; Esters thereof with monohydroxyl compounds
- C08G18/343—Polycarboxylic acids having at least three carboxylic acid groups
- C08G18/346—Polycarboxylic acids having at least three carboxylic acid groups having four carboxylic acid groups
- 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
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/30—Low-molecular-weight compounds
- C08G18/302—Water
- 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
- C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
- C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
- C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
- C08G73/1003—Preparatory processes
- C08G73/1035—Preparatory processes from tetracarboxylic acids or derivatives and diisocyanates

Landscapes

Chemical & Material Sciences (AREA)
Health & Medical Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
Medicinal Chemistry (AREA)
Polymers & Plastics (AREA)
Organic Chemistry (AREA)
Polyurethanes Or Polyureas (AREA)
Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)

BE741815D 1968-11-19 1969-11-17 BE741815A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1722868A CH500245A (fr)	1968-11-19	1968-11-19	Procédé de fabrication d'un produit en solution destiné à la fabrication, par chauffage, d'un polymère contenant des groupes imides

Publications (1)

Publication Number	Publication Date
BE741815A true BE741815A (fr)	1970-05-19

Family

ID=4423762

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE741815D BE741815A (fr)	1968-11-19	1969-11-17

Country Status (7)

Country	Link
BE (1)	BE741815A (fr)
BR (1)	BR6914013D0 (fr)
CH (1)	CH500245A (fr)
DE (1)	DE1958900A1 (fr)
FR (1)	FR2027541A1 (fr)
LU (1)	LU59835A1 (fr)
NL (1)	NL6917297A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3853813A (en) *	1973-05-24	1974-12-10	Westinghouse Electric Corp	Polyimide precursor and method and composition for preparing it

1968
- 1968-11-19 CH CH1722868A patent/CH500245A/fr not_active IP Right Cessation
1969
- 1969-11-07 BR BR21401369A patent/BR6914013D0/pt unknown
- 1969-11-17 FR FR6939474A patent/FR2027541A1/fr active Pending
- 1969-11-17 BE BE741815D patent/BE741815A/xx unknown
- 1969-11-18 NL NL6917297A patent/NL6917297A/xx unknown
- 1969-11-18 DE DE19691958900 patent/DE1958900A1/de active Pending
- 1969-11-18 LU LU59835D patent/LU59835A1/xx unknown

Also Published As

Publication number	Publication date
BR6914013D0 (pt)	1973-01-11
LU59835A1 (fr)	1970-05-27
FR2027541A1 (en)	1970-10-02
NL6917297A (fr)	1970-05-21
CH500245A (fr)	1970-12-15
DE1958900A1 (de)	1970-06-18

Publication	Publication Date	Title
AU5506869A (fr)	1970-11-26
AU5184069A (fr)	1970-07-17
AU6168869A (fr)	1971-04-08
AU6171569A (fr)	1971-04-08
AU2952567A (fr)	1970-05-14
AU2581067A (fr)	1970-02-19
AU4744468A (fr)	1970-06-18
BE709320A (fr)	1968-05-16
BE709138A (fr)	1968-05-16
BE727704A (fr)	1969-07-01
BE727654A (fr)	1969-07-30
BE727209A (fr)	1969-07-22
BE726961A (fr)	1969-07-01
BE726800A (fr)	1969-06-16
BE726371A (fr)	1969-06-30
BE718901A (fr)	1969-02-03
BE716487A (fr)	1968-11-04
BE710566A (fr)	1968-08-09
BE709496A (fr)	1968-07-17
BE728096A (fr)	1969-07-16
BE709479A (fr)	1968-07-17
BE709446A (fr)	1968-05-30
BE709435A (fr)	1968-07-16
BE709415A (fr)	1968-05-30
BE642636A (fr)