The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 14, 2022
Filed:
Dec. 02, 2021
Applicant:
Evoco Limited, Toronto, CA;
Inventors:
Jason James Robinson, Toronto, CA;
Juri Helmut Moebus, North York, CA;
Tristan Calayan, Mississauga, CA;
Guerino G. Sacripante, Oakville, CA;
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 263/10 (2006.01); C08G 18/42 (2006.01); C08G 18/76 (2006.01);
U.S. Cl.
CPC ...
C07C 263/10 (2013.01); C08G 18/42 (2013.01); C08G 18/7614 (2013.01); C08G 18/7657 (2013.01);
Abstract
Biobased diisocyanates are derived from 3-petadecyl phenol, which is derived from Cardanol harvested from cashew nutshell liquid food waste. The biobased diisocyanates are of the formulas: wherein R is an alkyl chain CH(n-pentadecyl); R=CHor COCH; and Ris an alkylene of from about 1 to 18 carbon atoms.