Patent · US Expired

Polyester plasticizers

US4130533A · kind A · utility

2Cited by
4References
14Claims
0Family size

Assignee

Inventor

Key dates

Filing dateFeb 10, 1977
Grant dateDec 19, 1978
Priority date
Expiry dateFeb 10, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L67/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Polyesters having an average molecular weight from 500 to 1400, containing dicarboxylic acid-, aliphatic diol- and hydroxy acid or lactone residues and which are endstopped by monohydric alcohols are useful plasticizers for example for PVC.

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