Patent · US Expired

Blends copolyester elastomers and chlorinated polyethylene

US4929656A · kind A · utility

5Cited by
1References
15Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 11, 1989
Grant dateMay 29, 1990
Priority date
Expiry dateMay 11, 2009

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L67/025
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Elastomeric compositions having resistance to hot grease aging are made from a blend of a thermoplastic copolyester elastomer, and chorinated polyethylene with or without the addition of a carbodiimide and a guanidine.

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