Aliphatic polycarbonate polyol compositions
US10308759B2 · kind B2 · utility
2Cited by
28References
55Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 3, 2015 |
| Grant date | Jun 4, 2019 |
| Priority date | — |
| Expiry date | Sep 1, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G64/42
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention encompasses CO2-based polycarbonate polyols that do not degrade from the chain ends to form cyclic carbonate. Importantly, the inventive polyol compositions retain —OH end group functionality desirable for thermoset applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.