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:
Dec. 18, 2018
Filed:
May. 03, 2017
Applicant:
Tokyo Ohka Kogyo Co., Ltd., Kanagawa, JP;
Inventor:
Isao Hirano, Kanagawa, JP;
Assignee:
TOKYO OHKA KOGYO CO., LTD., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 73/10 (2006.01); B01D 39/00 (2006.01); C11D 7/50 (2006.01); C11D 11/00 (2006.01); G03F 7/16 (2006.01); G03F 7/30 (2006.01); G03F 7/40 (2006.01); C11D 7/26 (2006.01); C11D 7/32 (2006.01); C11D 7/34 (2006.01);
U.S. Cl.
CPC ...
B01D 39/00 (2013.01); C11D 7/50 (2013.01); C11D 11/0041 (2013.01); G03F 7/16 (2013.01); G03F 7/30 (2013.01); G03F 7/40 (2013.01); C11D 7/263 (2013.01); C11D 7/264 (2013.01); C11D 7/266 (2013.01); C11D 7/3263 (2013.01); C11D 7/3272 (2013.01); C11D 7/3281 (2013.01); C11D 7/34 (2013.01);
Abstract
A polyimide-based resin film cleaning liquid includes at least one solvent selected from the group consisting of a hydroxy aliphatic carboxylic acid ester, an aliphatic carboxylic acid ester, a chain or cyclic ketone, an alkylene glycol monoalkyl ether, an alkylene glycol monoalkyl ether acetate, and an aprotic polar solvent other than these solvents.