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:
Jun. 10, 2025
Filed:
Feb. 07, 2020
Applicant:
Idemitsu Kosan Co., Ltd., Tokyo, JP;
Inventors:
Yoshihito Koyama, Chiba, JP;
Hironori Tashiro, Chiba, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 8/20 (2006.01); C08L 97/00 (2006.01);
U.S. Cl.
CPC ...
C08G 8/20 (2013.01); C08L 97/005 (2013.01);
Abstract
A method for producing a polyphenol derivative, including reacting a polyphenol-containing composition and an aromatic compound having an ortho-para directionality in a solvent, a polyphenol derivative produced by the method for producing a polyphenol derivative, and a polyphenol derivative-containing resin composition material containing the polyphenol derivative.