Patent · US Expired

Imide copolymers possessing hydroxyl groups

US3933745A · kind A · utility

10Cited by

2References

10Claims

0Family size

Assignee

Rhone-Poulenc Sante · FR

Inventors

Michel Bargain · Val-de-Reuil, FR
Maurice Ducloux · Irigny, FR

Key dates

Filing date	Oct 24, 1972
Grant date	Jan 20, 1976
Priority date	—
Expiry date	Oct 24, 1992

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB32B2379/08
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Imide copolymers consisting essentially of at least ##SPC1## of recurring units of the formula ##SPC2## Together with recurring units of the formula: In which M represents an aliphatic, aromatic, carbocyclic or heterocyclic divalent radical and R represents a tetravalent aromatic radical are provided having special utility as adhesives for polyimide and polyimide-amide films.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.