Patent · US Expired

Vinyl resins plasticized with mixed mellitate compounds

US3956220A · kind A · utility

11Cited by
3References
3Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 3, 1975
Grant dateMay 11, 1976
Priority date
Expiry dateFeb 3, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/12
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Mixed mellitate compounds useful as plasticizers for vinyl polymers, such as polyvinyl chloride homopolymers and copolymers, which have increased resistance to hydrocarbons have been prepared. The mixed mellitates of this invention are derived from trimellitic acid and trimellitic anhydride and contain two ester moieties derived from monofunctional alcohols and a third complex ester group obtained either by the reaction of a diol, a dibasic acid and a monofunctional alcohol or by the reaction of a diol and a monobasic acid.

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