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:
May. 12, 2026
Filed:
Mar. 11, 2020
Applicant:
Nissan Chemical Corporation, Tokyo, JP;
Inventors:
Hiroshi Ogino, Toyama, JP;
Takahisa Okuno, Toyama, JP;
Ryo Karasawa, Toyama, JP;
Tetsuya Shinjo, Toyama, JP;
Assignee:
NISSAN CHEMICAL CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 7/32 (2006.01); C11D 7/24 (2006.01); C11D 7/26 (2006.01); C11D 7/50 (2006.01); H01L 21/02 (2006.01); H01L 21/304 (2006.01);
U.S. Cl.
CPC ...
C11D 7/3272 (2013.01); C11D 7/247 (2013.01); C11D 7/263 (2013.01); C11D 7/267 (2013.01); C11D 7/3209 (2013.01); C11D 7/5013 (2013.01); C11D 7/5022 (2013.01); C11D 7/5027 (2013.01); H01L 21/02057 (2013.01); H01L 21/304 (2013.01); C11D 2111/22 (2024.01);
Abstract
A cleaning agent composition for use in removal of an adhesive residue, the composition containing a quaternary ammonium salt and a solvent, wherein the solvent consists of an organic solvent, and the organic solvent includes an N,N,N',N′-tetra(hydrocarbyl)urea.