Polyurethane foam prepared with reduced levels of hard halocarbon blowing agents
US5001164A · kind A · utility
21Cited by
12References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 19, 1988 |
| Grant date | Mar 19, 1991 |
| Priority date | — |
| Expiry date | Aug 19, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2375/04
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Closed-cell polyisocyanate-based foams are prepared using a blowing agent mixture containing an organic compound having a boiling point in excess of 65.degree. C. in conjunction with another organic compound having a boiling point below about 40.degree. C.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.