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:
Oct. 21, 2025
Filed:
Oct. 11, 2021
Tokyo Ohka Kogyo Co., Ltd., Kawasaki, JP;
Koshi Onishi, Kawasaki, JP;
Masatoshi Arai, Kawasaki, JP;
Masahito Yahagi, Kawasaki, JP;
Yosuke Suzuki, Kawasaki, JP;
Yuta Iwasawa, Kawasaki, JP;
TOKYO OHKA KOGYO CO., LTD., Kawasaki, JP;
Abstract
A resist composition containing a resin component (A1) having a constitutional unit (a01) derived from a compound represented by General Formulae (a0-1) and one or more compounds selected from the group consisting of a compound (B01) represented by General Formula (b0-1) and a compound (B02) represented by General Formula (b0-2), Wrepresents a polymerizable group-containing group, Yarepresents a single bond or the like, Rxrepresents an acid dissociable group, Rand Rrepresents an aryl group having a fluorine atom, R, R, and Rrepresents an aryl group or the like which may have a substituent, and Xand Xrepresents a counter anion