Biobased diisocyanates, and process for preparation of same
US11214539B1 · kind B1 · utility
1Cited by
2References
12Claims
0Family size
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Key dates
| Filing date | Jul 30, 2021 |
| Grant date | Jan 4, 2022 |
| Priority date | — |
| Expiry date | Jul 30, 2041 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2110/0008
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Biobased diisocyanates are bio-derived derived from biomass natural sources that include rosin acids. The biobased diisocyanates are of the formula 1, 2 or 3: where:
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.