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. 10, 2026
Filed:
Oct. 31, 2022
Applicant:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Inventors:
Masahiko Shimada, Osaka, JP;
Koji Ichikawa, Osaka, JP;
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/039 (2006.01); C07C 69/54 (2006.01); C07C 381/12 (2006.01); C07D 307/93 (2006.01); C07D 333/76 (2006.01); C08F 220/18 (2006.01); G03F 7/004 (2006.01); G03F 7/038 (2006.01);
U.S. Cl.
CPC ...
G03F 7/039 (2013.01); C07C 69/54 (2013.01); C07C 381/12 (2013.01); C07D 307/93 (2013.01); C07D 333/76 (2013.01); C08F 220/1808 (2020.02); G03F 7/0045 (2013.01); G03F 7/038 (2013.01); C07C 2603/74 (2017.05);
Abstract
A carboxylate represented by formula (I), a resin comprising a structural unit derived from the carboxylate represented by formula (I), a resist composition comprising the carboxylate represented by formula (I) or a resin comprising a structural unit derived from the carboxylate represented by formula (I).