Patent · US Expired

Stabilized polycarbonate compositions

US4197384A · kind A · utility

29Cited by
11References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 28, 1977
Grant dateApr 8, 1980
Priority date
Expiry dateDec 28, 1997

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L83/04
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

A thermal oxidative stabilized polycarbonate composition comprises in admixture (a) a high molecular weight aromatic carbonate polymer and (b) a minor amount of an oligomeric or polymeric hydrocarbonoxy siloxane and, optionally, an organophosphite or organophosphonite and/or an epoxy compound.

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