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:
Aug. 12, 2025
Filed:
Dec. 02, 2019
Applicant:
Basf SE, Ludwigshafen am Rhein, DE;
Inventors:
Reinhold Oehrlein, Rheinfelden-Herten, DE;
Gabriele Baisch, Binzen, DE;
Assignee:
BASF SE, Ludwigshafen am Rhein, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01); C07D 249/20 (2006.01); C07D 471/04 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01); C07D 249/20 (2013.01); C07D 471/04 (2013.01);
Abstract
The present invention relates to a process for the preparation of 2H-benzotriazole compounds and congeners, novel 2H-benzotriazole compounds and congeners and their use as UV absorbers in coatings and bulk plastics.