Patent · US Expired

Catalyst for making polyurethanes

US4421673A · kind A · utility

3Cited by
5References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 9, 1981
Grant dateDec 20, 1983
Priority date
Expiry dateApr 9, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08J2375/04
  • WIPO fieldMacromolecular chemistry, polymers
  • WIPO sectorChemistry

Abstract

Polyurethane foams with excellent physical properties can be obtained by using a partial salt between N,N-dimethylaminopropane-1,3-diamine (DMAPA) and a branched octanoic acid.

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