Patent · US Expired

Phosphorus containing polymers

US5147955A · kind A · utility

2Cited by

2References

5Claims

0Family size

Assignee

BAYER HEALTHCARE LLC · DE

Inventors

Christian Lindner · Bensheim, DE
Siegfried Korte · Odenthal, DE

Key dates

Filing date	Jul 15, 1991
Grant date	Sep 15, 1992
Priority date	—
Expiry date	Jul 15, 2011

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F222/06
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

Copolymers of PA0 a) phosphonic acid derivatives corresponding to formula (I) ##STR1## wherein Y represents H or CH.sub.3, PA1 X represents a single bond or --CH.sub.2 --, PA1 R represents an aryl or alkyl, PA0 b) maleic anhydride and PA0 c) a polymerizable compound containing two or more allyl or methally groups in the molecule.

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