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:
Oct. 11, 2022
Filed:
Nov. 22, 2019
Applicant:
Fina Technology, Inc., Houston, TX (US);
Inventors:
Herbert Chao, Paoli, PA (US);
Tomas Trnka, Kladno, CZ;
Assignee:
FINA TECHNOLOGY, INC., Houston, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 136/20 (2006.01); C08G 18/69 (2006.01); C08F 136/22 (2006.01); C08G 18/73 (2006.01); C08G 18/24 (2006.01); C08G 18/32 (2006.01);
U.S. Cl.
CPC ...
C08G 18/69 (2013.01); C08F 136/22 (2013.01); C08G 18/246 (2013.01); C08G 18/3206 (2013.01); C08G 18/73 (2013.01); C08F 2810/40 (2013.01);
Abstract
A terminal hydroxyl functionalized polyfarnesene is provided. The polyfarnesene has more than two terminal hydroxyl groups per molecule, on average, based on the number average molecular weight. The polyfarnesenes may be homopolymers or copolymers of farnesene. Also provided is a method of making these polyfarnesenes having more than two hydroxyl groups per molecule. A composition for making a polyurethane comprising a diisocyanate and the terminal hydroxyl functionalized polyfarnesene is also provided.