Alkoxylated bio-oil polyol compositions
US10793672B2 · kind B2 · utility
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7References
17Claims
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Key dates
| Filing date | Jun 11, 2015 |
| Grant date | Oct 6, 2020 |
| Priority date | — |
| Expiry date | Jun 11, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2110/0083
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Methods are provided for producing bio-oil polyols, alkoxylating bio-oil polyols to provide polyols, and for employing the alkoxylated bio-oil polyols for making polymers or copolymers of polyesters or polyurethanes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.