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. 03, 2014
Filed:
Aug. 20, 2012
Applicants:
Isao Yoshida, Osaka, JP;
Yuichi Mukai, Osaka, JP;
Koji Ichikawa, Osaka, JP;
Inventors:
Assignee:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F 7/00 (2006.01); C07C 317/06 (2006.01); C07C 309/19 (2006.01); C07C 309/07 (2006.01);
U.S. Cl.
CPC ...
Abstract
A photoresist composition containing a resin that is hardly soluble or insoluble, but which is soluble in an aqueous alkali solution by action of an acid, and a salt represented by formula (I): wherein Q, Q, L, W, W, R, R, t1 and t2 are defined in the specification, and Zrepresents an organic cation.
Yoshida, Isao. (2014). Salt, photoresist composition and method for producing photoresist pattern (U.S. Patent No. 8741544). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8741544
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile