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:
Dec. 03, 2024
Filed:
Jul. 16, 2021
Applicant:
Henkel Ag & Co. Kgaa, Duesseldorf, DE;
Inventors:
Uwe Franken, Dormagen, DE;
Hans-Georg Kinzelmann, Pulheim, DE;
Assignee:
Henkel AG & Co. KGaA, Duesseldorf, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 175/08 (2006.01); C08G 18/12 (2006.01); C08G 18/32 (2006.01); C08G 18/40 (2006.01); C08G 18/42 (2006.01); C08G 18/48 (2006.01); C08G 18/76 (2006.01); C09J 5/06 (2006.01);
U.S. Cl.
CPC ...
C09J 175/08 (2013.01); C08G 18/12 (2013.01); C08G 18/3206 (2013.01); C08G 18/4018 (2013.01); C08G 18/4252 (2013.01); C08G 18/4829 (2013.01); C08G 18/7614 (2013.01); C08G 18/7671 (2013.01); C09J 5/06 (2013.01); C09J 2475/00 (2013.01);
Abstract
The present invention refers to a process for the production of hot melt adhesives having a low emission of monomeric isocyanates upon heating wherein in a first step a polyurethane prepolymer is generated which is subsequently reacted with a chain extender. Further, the present invention refers to hot melt adhesives obtained by the inventive process.