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:
Feb. 07, 2023
Filed:
Sep. 12, 2017
Applicant:
Covestro Deutschland Ag, Leverkusen, DE;
Inventor:
Stefan Lindner, Remscheid, DE;
Assignee:
Covestro Deutschland AG, Leverkusen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 18/76 (2006.01); C08G 18/48 (2006.01); C08J 9/12 (2006.01); C08K 5/134 (2006.01);
U.S. Cl.
CPC ...
C08G 18/7671 (2013.01); C08G 18/4812 (2013.01); C08G 18/4841 (2013.01); C08J 9/125 (2013.01); C08K 5/1345 (2013.01); C08G 2110/0083 (2021.01); C08J 2203/10 (2013.01); C08J 2375/08 (2013.01); C08K 2201/019 (2013.01);
Abstract
The present invention relates to a process for producing polyurethanes having reduced aldehyde emissions using large amounts of phenolic antioxidants. The present invention further relates to the polyurethanes obtainable from this process, and to the use of such polyurethanes, for example in the interior of automobiles.