Open celled polyurethane foams and methods and compositions for preparing such foams
US6211257A · kind A · utility
7Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 15, 2000 |
| Grant date | Apr 3, 2001 |
| Priority date | — |
| Expiry date | May 15, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2110/0083
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed are methods and compositions for preparing polyurethane foams using emulsified polyol mixture comprising PA1 (a) a polyol formulation comprising a polyester polyol having an OH value of from about 150 to 350; and PA1 (b) a cell opening agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.