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:
Apr. 08, 2025
Filed:
Jun. 27, 2023
Applicant:
Dongwoo Fine-chem Co., Ltd., Jeollabuk-do, KR;
Inventors:
Soon-Hong Pang, Jeollabuk-do, KR;
Kyeong-Muk Choi, Jeollabuk-do, KR;
Han-Byeol Kang, Gyeonggi-do, KR;
Assignee:
DONGWOO FINE-CHEM CO., LTD., , KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/24 (2006.01); C07C 211/63 (2006.01); C07C 211/64 (2006.01); C09J 183/04 (2006.01); C11D 3/28 (2006.01); C11D 3/30 (2006.01); C11D 3/34 (2006.01); C11D 3/43 (2006.01); C11D 3/44 (2006.01); H01L 21/02 (2006.01);
U.S. Cl.
CPC ...
C07C 211/64 (2013.01); C07C 211/63 (2013.01); C09J 183/04 (2013.01); C11D 3/245 (2013.01); C11D 3/28 (2013.01); C11D 3/30 (2013.01); C11D 3/3445 (2013.01); C11D 3/43 (2013.01); H01L 21/02082 (2013.01); C09J 2301/502 (2020.08); C11D 2111/22 (2024.01);
Abstract
Disclosed is a composition for removing polymers. The composition contains a fluorinated alkyl compound, a polar aprotic solvent, and an acyclic secondary or tertiary amine compound.