Patent · US Expired

Fire retardant polymers of styrene and maleic anhydride

US4151218A · kind A · utility

7Cited by
6References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateDec 29, 1975
Grant dateApr 24, 1979
Priority date
Expiry dateDec 29, 1995

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08L63/00
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Disclosed herein are fire retardant polymers of styrene and maleic anhydride. These polymers when formulated with various additives, have a UL-94 rating of at least V-1. The polymers are especially useful for use in radio and T.V. cabinets, furniture, appliance housings and other similar applications.

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