Patent · US Expired

Copolyesters and fibrous materials formed therefrom

US6562938B2 · kind B2 · utility

49Cited by
62References
27Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 20, 2001
Grant dateMay 13, 2003
Priority date
Expiry dateDec 20, 2021

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L2201/06
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, nonwovens, molded objects, and films prepared therefrom.

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