Catalyst for making polyurethanes
US4421869A · kind A · utility
8Cited by
1References
4Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 21, 1982 |
| Grant date | Dec 20, 1983 |
| Priority date | — |
| Expiry date | Oct 21, 2002 |
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.