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:
Jan. 20, 2026
Filed:
Nov. 12, 2021
Applicant:
Sumitomo Electric Industries, Ltd., Osaka, JP;
Inventors:
Katsushi Hamakubo, Osaka, JP;
Chiaki Tokuda, Osaka, JP;
Assignee:
SUMITOMO ELECTRIC INDUSTRIES, LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J 7/18 (2006.01); C08K 3/36 (2006.01);
U.S. Cl.
CPC ...
C08J 7/18 (2013.01); C08K 3/36 (2013.01); C08J 2499/00 (2013.01); C08K 2201/005 (2013.01);
Abstract
A resin composition contains a base resin containing a photopolymerizable compound and a photopolymerization initiator, and surface-modified silica particles, wherein the surface-modified silica particles have, as a silicone structural unit, a T unit in which three oxygen atoms are bonded to a silicon atom, and the proportion of a T1 unit contained in the T unit is 29 mol % or less.