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US 11,214,539 B1Granted
Biobased diisocyanates, and process for preparation of same
AssigneeEvoco Limited
InventorsJason James Robinson, Juri Helmut Moebus, Tristan Calayan, Guerino G. Sacripante
Life of this patent
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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: R is an alkylene of from about 2 to about 12 carbon atoms, and R′ is an alkyl group of from about 1 to about 12 carbon atoms.
Claims12
A biobased diisocyanate of the formula 1 or 3:
- where:
- R is an alkylene of from about 2 to about 12 carbon atoms.
Dependencies are inferred from the claim text.