Patent · US Expired

Blowing agents as curatives for ethylene/carbon monoxide copolymers

US4391922A · kind A · utility

10Cited by
8References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMay 6, 1982
Grant dateJul 5, 1983
Priority date
Expiry dateMay 6, 2002

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2373/00
  • WIPO fieldOther special machines
  • WIPO sectorMechanical engineering

Abstract

Mono- and polyazoformamide, sulfonyl hydrazide, sulfonyl semicarbazide and/or dinitrosomethylene amine compounds act as chemical blowing agents and curatives for carbon monoxide-containing ethylene copolymers.

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