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. 06, 2025
Filed:
Dec. 23, 2021
Applicant:
Daxin Materials Corporation, Taichung, TW;
Inventors:
Hui-yi Tang, Taichung, TW;
Tzu-chi Wang, Taichung, TW;
Yu-nung Chen, Taichung, TW;
Yi-cheng Chen, Taichung, TW;
Assignee:
Daxin materials corporation, Taichung, TW;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C11D 3/30 (2005.12); C11D 3/20 (2005.12); C11D 3/28 (2005.12); C11D 3/43 (2005.12); C11D 3/44 (2005.12); C11D 7/32 (2005.12); C11D 7/50 (2005.12); G03F 7/32 (2005.12);
U.S. Cl.
CPC ...
G03F 7/322 (2012.12); C11D 3/2068 (2012.12); C11D 3/28 (2012.12); C11D 3/30 (2012.12); C11D 3/43 (2012.12); C11D 7/3209 (2012.12); C11D 7/3218 (2012.12); C11D 7/3281 (2012.12); C11D 7/50 (2012.12); C11D 2111/22 (2023.12);
Abstract
An alkaline cleaning composition is provided. The alkaline cleaning composition includes an alkaline compound, 5% to 40% by weight of propylene glycol monomethyl ether, 10% to 30% by weight of water, and a polar solvent. Wherein, the polar solvent includes acetals, glycol ethers, pyrrolidones, or a combination thereof, and the alkaline cleaning composition is free of benzenesulfonic acid.
Tang, Hui-yi. (2025). Alkaline cleaning composition, cleaning method, and manufacturing method of semiconductor (U.S. Patent No. 12292689). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12292689
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile