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. 23, 2026
Filed:
Sep. 09, 2021
Applicant:
Nissan Chemical Corporation, Tokyo, JP;
Inventors:
Tokio Nishita, Toyama, JP;
Yuki Endo, Toyama, JP;
Assignee:
NISSAN CHEMICAL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/038 (2006.01); G03F 7/004 (2006.01); G03F 7/16 (2006.01); G03F 7/20 (2006.01);
U.S. Cl.
CPC ...
G03F 7/0385 (2013.01); G03F 7/0045 (2013.01); G03F 7/168 (2013.01); G03F 7/2016 (2013.01);
Abstract
A protective film formation composition contains a polymer having a unit structure represented by formula (1-1), a compound or a polymer having phenolic hydroxy group other than catechol, (C) a thermal acid generator, and (D) a solvent.
Nishita, Tokio. (2026). Chemical-resistant protective film (U.S. Patent No. 12663716). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12663716
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile