Patent · US Expired

Flame retardant polycarbonate

US4535108A · kind A · utility

8Cited by
5References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 1981
Grant dateAug 13, 1985
Priority date
Expiry dateFeb 25, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08K5/42
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Novel compounds of the metal salts of certain phenol ester sulfonic acids are useful as a flame retardant additive in polycarbonate composition.

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