Patent · US Expired

(Hydroxyphenyl) phosphine stabilized compositions

US4835202A · kind A · utility

15Cited by
10References
28Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 20, 1987
Grant dateMay 30, 1989
Priority date—
Expiry dateNov 20, 2007

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10M2227/04
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

(Hydroxyphenyl)phosphine derivatives of the formula ##STR1## are effective in stabilizing organic materials against oxidative, thermal and actinic degradation, said derivatives being particularly effective as process stabilizers in organic materials containing phenolic antioxidants.

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