Hydrolytically stable urethane foam precursors
US4032468A · kind A · utility
15Cited by
11References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 13, 1976 |
| Grant date | Jun 28, 1977 |
| Priority date | — |
| Expiry date | Sep 13, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2110/0083
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The hydrolytic stability of catalyst-containing precursors for both flexible and rigid polyurethane foams wherein the catalyst is a tin compound is considerably increased when the catalyst is a triorganotin compound wherein the hydrocarbon groups bonded to the tin atom are methyl or methoxymethyl.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.