Patent · US Expired

Organic phosphites suitable as stabilizers for polymers

US5162548A · kind A · utility

1Cited by
2References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 19, 1991
Grant dateNov 10, 1992
Priority date
Expiry dateNov 19, 2011

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07F9/65746
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

New organic phosphites of the formula ##STR1## are used as stabilizers for polymers and other organic materials. The definition of groups R, R', and R.sub.1 may be found in the disclosure.

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