Patent · US Expired

Catalyst for making polyurethanes

US4366084A · kind A · utility

7Cited by
7References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 26, 1981
Grant dateDec 28, 1982
Priority date
Expiry dateMay 26, 2001

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC08G18/1825
  • 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 phenol.

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