Patent · US Expired

Vinyl ester resins having improved color

US4303579A · kind A · utility

1Cited by
13References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 7, 1980
Grant dateDec 1, 1981
Priority date
Expiry dateJul 7, 2000

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G59/1461
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

The present invention provides stable vinyl ester compositions exhibiting improved color stability comprising a vinyl ester resin prepared by esterifying an epoxy compound with an ethylenically unsaturated monocarboxylic acid and a stabilizer composition comprising hydroquinone and a sterically hindered phenol.

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