Aminomethyl pyrrolidine urea compositions for the production of polyurethanes
US5756557A · kind A · utility
6Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 6, 1997 |
| Grant date | May 26, 1998 |
| Priority date | — |
| Expiry date | May 6, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2115/02
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for preparing a polyurethane foam which comprises reacting an organic polyisocyanate and a polyol in the presence of a blowing agent, a cell stabilizer and a catalyst composition comprising a compound represented by the following formula I or II, or any blend of compounds I and II. ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.