Polyurethane and method of making
US4153777A · kind A · utility
44Cited by
7References
2Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 1, 1975 |
| Grant date | May 8, 1979 |
| Priority date | — |
| Expiry date | Oct 1, 1995 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/7831
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polyurethane, being the reaction product of a polyester or polyether polyol with 1.5 to 2.5 equivalents of polyisocyanate, 0.05 to 0.40 equivalents of water cured with a polyol having less than 800 molecular weight.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.