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:
Apr. 02, 2019
Filed:
Feb. 26, 2016
Applicant:
Evonik Degussa Gmbh, Essen, DE;
Inventors:
Assignee:
EVONIK DEGUSSA GMBH, Essen, DE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C09J 167/02 (2006.01); C08G 63/16 (2006.01); C08G 63/183 (2006.01);
U.S. Cl.
CPC ...
C09J 167/02 (2013.01); C08G 63/16 (2013.01); C08G 63/183 (2013.01); C08G 2170/20 (2013.01);
Abstract
The invention relates to hotmelt adhesives based on polyesters, having low VOC and fogging values. In particular, the invention is directed to a polyester based on polycarboxylic acids and di- or polyols, wherein the polyester including dicarboxylic acids of the formula HOOC—(CH2)x-COOH with x>10 and diols of the formula HO—(CH2)y-OH, with the proviso that at least 50 mole percent of the dicarboxylic acids, based on the total amount of polycarboxylic acid components, and at least 50 mole percent of the diols, based on the total amount of di- or polyols, satisfy the condition x+y>18, in hotmelt adhesives.