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:
May. 15, 2018
Filed:
Sep. 10, 2015
Applicant:
Arkema France, Colombes, FR;
Inventors:
Frank Cogordan, Paris, FR;
Herve W. Ozeray, Estrees Saint Denis, FR;
Alain F. Riondel, Saint Pathus, FR;
Assignee:
Arkema France, Colombes, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 63/91 (2006.01); C08G 63/672 (2006.01); C08G 63/85 (2006.01);
U.S. Cl.
CPC ...
C08G 63/916 (2013.01); C08G 63/672 (2013.01); C08G 63/85 (2013.01);
Abstract
The present invention relates to a method for preparing a linear or branched hydroxylated and/or carboxylated polyester resin that is free of unsaturated fatty acids, comprising reacting an acid component with an alcohol component, said acid component comprising at least one C4 to C6 polycarboxylic acid or anhydride, and at least one C8 to C54 polycarboxylic acid or anhydride, and said alcohol component comprising at least one biobased polyol having a functionality of at least 2 bearing a 1,4:3,6-dianhydrohexitol unit, and at least one of two polyols b2) and b3).