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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 10940504 B1

PDFFull Text
Date of Patent:
Mar. 09, 2021

Filed:

Mar. 15, 2017

Surface treatment method, anti-static agent, and hydrophilizing treatment agent

Applicant:

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

Inventor:

Takahiro Senzaki, Kanagawa, JP;

Assignee:

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

Attorney:

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

Primary Examiner:

Francisco W Tschen

Int. Cl.
CPC ...
B05D 5/00 (2006.01); C09D 133/26 (2006.01); C09D 141/00 (2006.01); B05D 7/00 (2006.01); B05D 7/04 (2006.01); B05D 1/38 (2006.01); B05D 1/00 (2006.01); B05D 1/18 (2006.01); B05D 1/28 (2006.01); B05D 3/00 (2006.01); C09D 5/24 (2006.01); B05D 3/10 (2006.01); C08K 3/16 (2006.01); C08K 3/30 (2006.01);
U.S. Cl.
CPC ...
B05D 5/00 (2013.01); B05D 1/005 (2013.01); B05D 1/18 (2013.01); B05D 1/283 (2013.01); B05D 1/38 (2013.01); B05D 3/007 (2013.01); B05D 7/04 (2013.01); B05D 7/54 (2013.01); B05D 7/544 (2013.01); C09D 5/24 (2013.01); C09D 133/26 (2013.01); C09D 141/00 (2013.01); B05D 3/101 (2013.01); B05D 2451/00 (2013.01); C08K 3/16 (2013.01); C08K 3/30 (2013.01); C08K 2003/162 (2013.01); C08K 2003/3063 (2013.01);
Abstract

To provide a surface treatment method for hydrophilizing a surface of a treatment target and preventing charging by a simple and easy method and an anti-static agent. The present invention provides a surface treatment method. The method comprises an anti-static treatment step of coating a treatment target with an anti-static agent comprising an electrolyte (e1), a hydrophilic polymer (a) and water, and having electrical conductivity of 15 mS/m or more to obtain a coated film (A), drying the coated film (A) to obtain an anti-static layer, and a hydrophilizing treatment step of coating the anti-static layer with a hydrophilizing treatment agent comprising a hydrophilic polymer (b) and an alcohol to obtain a coated film (B), and drying the coated film (B), followed by rinsing thereof.

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