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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 12760142 B1

PDFFull Text
Date of Patent:
Oct. 13, 2026

Filed:

Nov. 26, 2020

Composition for forming resist underlayer film

Applicant:

Nissan Chemical Corporation, Tokyo, JP;

Inventors:

Yuto Hashimoto, Toyama, JP;

Shun Kubodera, Toyama, JP;

Shigetaka Otagiri, Toyama, JP;

Satoshi Kamibayashi, Toyama, JP;

Tokio Nishita, Toyama, JP;

Yuichi Goto, Toyama, JP;

Yasunobu Someya, Toyama, JP;

Yuki Endo, Toyama, JP;

Assignee:

NISSAN CHEMICAL CORPORATION, Tokyo, JP;

Attorney:

Birch, Stewart, Kolasch & Birch, LLP

Primary Examiner:

Megan Mcculley

Int. Cl.
CPC ...
C08G 59/26 (2006.01); C08G 59/40 (2006.01); C08G 59/42 (2006.01); C09D 163/00 (2006.01); G03F 7/11 (2006.01);
U.S. Cl.
CPC ...
C08G 59/26 (2013.01); C08G 59/4021 (2013.01); C08G 59/4207 (2013.01); C08G 59/423 (2013.01); C09D 163/00 (2013.01); G03F 7/11 (2013.01);
Abstract

Provided is a composition which is for forming a resist underlayer film and with which the amount of a sublimate derived from a low-molecular-weight component such as an oligomer can be reduced, the composition comprising, for example, an organic solvent and a polymer having a repeating unit represented by formula (1-1), wherein the content of a low-molecular-weight component having a weight average molecular weight of 1,000 or less is 10 mass % or less in the polymer.

Find Patent Forward Citations

Hashimoto, Yuto. (2026). Composition for forming resist underlayer film (U.S. Patent No. 12760142). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12760142

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

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