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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.:

US 12509598 B1

PDFFull Text
Date of Patent:
Dec. 30, 2025

Filed:

Mar. 10, 2022

Process solution composition for polymer treatment comprising a fluorine compound, a ketone solvent, and a polar aprotic solvent

Applicant:

Dongwoo Fine-chem Co., Ltd., Jeollabuk-do, KR;

Inventors:

Soon-Hong Pang, Jeollabuk-do, KR;

Han-Byeol Kang, Gyeonggi-do, KR;

Sung-Sik Kim, Jeollabuk-do, KR;

Tae-Hee Kim, Jeollabuk-do, KR;

Assignee:

DONGWOO FINE-CHEM CO., LTD., Jelloabuk-do, KR;

Attorney:

Venable LLP

Primary Examiner:

Charles I Boyer

Int. Cl.
CPC ...
C11D 3/43 (2006.01); C09D 9/00 (2006.01); C11D 3/24 (2006.01); C11D 3/28 (2006.01); C11D 3/30 (2006.01); G03F 7/42 (2006.01);
U.S. Cl.
CPC ...
C09D 9/005 (2013.01); C11D 3/245 (2013.01); C11D 3/28 (2013.01); C11D 3/30 (2013.01); G03F 7/425 (2013.01); C11D 2111/22 (2024.01);
Abstract

The present disclosure relates to a process solution composition for polymer treatment comprising: a fluorine compound; a ketone-based solvent; and a polar aprotic solvent, wherein the ketone-based solvent is one or more selected from the group consisting of compounds represented by Chemical Formula 1 or Chemical Formula 2, and has an effect capable of preventing damage to various types of metals while improving the power of removing an adhesive polymer remaining on the wafer circuit surface in a semiconductor manufacturing process.

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Pang, Soon-Hong. (2025). Process solution composition for polymer treatment comprising a fluorine compound, a ketone solvent, and a polar aprotic solvent (U.S. Patent No. 12509598). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12509598

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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