Controlled release catalysts and curing agents for making polyurethane and/or polyisocyanurate product
US5177117A · kind A · utility
13Cited by
10References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 23, 1990 |
| Grant date | Jan 5, 1993 |
| Priority date | — |
| Expiry date | Mar 23, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S521/902
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Preparation of a polyurethane and/or polyisocyanurate product by the reaction of a composition containing an organic polyisocyanate, an active hydrogen containing compound and water as a blowing agent using an effective amount of a molecular sieve containing sorbed amine catalyst and/or crosslinker.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.