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:
Mar. 18, 2025
Filed:
Apr. 27, 2020
Applicant:
Miyoshi Oil & Fat Co., Ltd., Tokyo, JP;
Inventors:
Nobuhiro Kaneko, Tokyo, JP;
Daisuke Nakamura, Tokyo, JP;
Kotaro Kaneko, Tokyo, JP;
Koji Kawai, Tokyo, JP;
Assignee:
MIYOSHI OIL & FAT CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 249/20 (2006.01); C07D 403/04 (2006.01); C07D 417/04 (2006.01); C08K 5/00 (2006.01); C08K 5/3475 (2006.01);
U.S. Cl.
CPC ...
C07D 249/20 (2013.01); C07D 403/04 (2013.01); C07D 417/04 (2013.01); C08K 5/005 (2013.01); C08K 5/3475 (2013.01);
Abstract
Provided is an ultraviolet absorber with a high molar extinction coefficient that is particularly superior in heat resistance, odor suppression at the time of thermal decomposition and long-wavelength absorption, as compared to a conventional ultraviolet absorber. The ultraviolet absorber is an ultraviolet absorber comprising a 2-phenylbenzotriazole derivative having a bonding group represented by the following formula (I) or (II):