Patent · US Expired

Polymer containing lactic acid as its constituting unit and method for producing the same

US5714618A · kind A · utility

19Cited by
2References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 9, 1997
Grant dateFeb 3, 1998
Priority date
Expiry dateJan 9, 2017

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G63/823
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A polymer having a blocked terminal group according to the present invention, represented by the following Formula (I): ##STR1## where R is an alkylene group containing 1 to 20 carbon atoms; X.sub.1 is an acyl group containing 2 to 50 carbon atoms; Y is H, an alkyl group containing 1 to 50 carbon atoms or an alkenyl group containing 1 to 50 carbon atoms; m is a positive integer; and n.sub.1 is 0 or a positive integer.

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