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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 11198772 B1

PDFFull Text
Date of Patent:
Dec. 14, 2021

Filed:

Oct. 29, 2018

Surface treatment liquid and surface treatment method

Applicant:

Tokyo Ohka Kogyo Co., Ltd., Kanagawa, JP;

Inventors:

Takashi Kamizono, Kanagawa, JP;

Takahiro Senzaki, Kanagawa, JP;

Takuya Noguchi, Kanagawa, JP;

Assignee:

TOKYO OHKA KOGYO CO., LTD., Kanagawa, JP;

Attorney:

Wenderoth, Lind & Ponack, L.L.P.

Primary Examiner:

Rip A Lee

Int. Cl.
CPC ...
C09D 133/24 (2006.01); C09D 133/06 (2006.01); C08J 7/054 (2020.01); C09D 133/26 (2006.01); C09D 5/00 (2006.01); C08J 7/04 (2020.01); C08J 7/056 (2020.01); C09D 7/20 (2018.01); C09D 7/65 (2018.01); C08L 33/26 (2006.01); C08L 33/24 (2006.01);
U.S. Cl.
CPC ...
C08J 7/054 (2020.01); C08J 7/0427 (2020.01); C08J 7/056 (2020.01); C09D 5/00 (2013.01); C09D 7/20 (2018.01); C09D 133/06 (2013.01); C09D 133/24 (2013.01); C09D 133/26 (2013.01); C08J 2383/04 (2013.01); C08L 33/24 (2013.01); C08L 33/26 (2013.01); C09D 7/65 (2018.01);
Abstract

To provide a surface treatment liquid capable of making a base material including polyorganosiloxane on at least a part of a surface thereof hydrophilic stably over a long period of time, and provide a surface treatment method using the surface treatment liquid. In a surface treatment liquid including (A) resin and a (B) solvent, as the (A) resin, resin having a functional group I that is a hydroxyl group and/or a cyano group is used, and a functional group II that is a hydrophilic group other than the functional group I, and a ratio of a structural unit having an anionic group to total structural units of the (A) resin is 5 mol % or less, or resin including a cationic group including an anion moiety and a cation moiety that can be bonded to the (A) resin is used.

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