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.

Date of Patent:
Aug. 13, 2024

Filed:

Sep. 02, 2022
Applicant:

Fujifilm Corporation, Tokyo, JP;

Inventors:

Takumi Tanaka, Haibara-gun, JP;

Takashi Bannai, Haibara-gun, JP;

Takamitsu Tomiga, Haibara-gun, JP;

Kohei Higashi, Haibara-gun, JP;

Fumihiro Yoshino, Haibara-gun, JP;

Yuma Kurumisawa, Haibara-gun, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03F 7/00 (2006.01); G03F 7/028 (2006.01);
U.S. Cl.
CPC ...
G03F 7/0035 (2013.01); G03F 7/028 (2013.01);
Abstract

A method for producing a composition, the method being for producing a composition using a stirring device provided with a stirring tank and a stirrer, includes a mixing step of charging a resin, an acid generator, and a solvent into the stirring tank, and a stirring step of stirring the mixture accommodated in the stirring tank, using the stirrer, in which a ratio c of a content of the acid generator to a total mass of the mixture is 0.3% to 2.5% by mass, the stirrer is provided with a rotatable stirring shaft, a plurality of support parts attached to the stirring shaft, and a plurality of stirring elements attached to each of end parts of the plurality of support parts, the shape and the arrangement of the stirring elements are specified, and the positions of the plurality of stirring elements are specified so as to satisfy a specific Expression (1).


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