Patent · US Expired

Copolymer and composition containing the copolymer

US5319045A · kind A · utility

2Cited by
1References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 2, 1993
Grant dateJun 7, 1994
Priority date
Expiry dateJun 2, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08F290/061
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A copolymer having repeating units of the following formula (I) and repeating units of the formula (II), wherein the ration of (I) to (II) is within a range of from 10:90 to 90:10 by weight ratio, and the number average molecular weight is at least 1,000, or the intrinsic viscosity .eta..sub.inh is at least 0.02: ##STR1## wherein A is a polyester unit having a polymerization degree of from 2 to 200, R.sup.3 is a bivalent organic group having an ester, urethane or ketone bond, and R.sup.4 is a hydrogen atom or a methyl group, ##STR2## wherein R.sup.5 is a hydrogen atom or a methyl group, and X is a substituent having functionality.

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