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:
Sep. 29, 2026

Filed:

Dec. 15, 2020
Applicant:

Ntt, Inc., Tokyo, JP;

Inventors:

Azusa Ishii, Tokyo, JP;

Takashi Miwa, Tokyo, JP;

Shingo Mineta, Tokyo, JP;

Soichi Oka, Tokyo, JP;

Assignee:

NTT, INC., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09D 1/00 (2006.01); C09D 201/00 (2006.01);
U.S. Cl.
CPC ...
C09D 201/00 (2013.01); C09D 1/00 (2013.01);
Abstract

A coating material is a coating material used for applying a coating film made of a zinc-containing material formed in contact with a surface of a metal material and includes a binder, a first inorganic material, and a second inorganic material. The binder includes an organic resin and does not contain metallic zinc and a zinc alloy. The first inorganic material includes a sulfate having a solubility lower than 5 g/100 mL with respect to water. The second inorganic material is soluble in water, exhibits alkalinity if dissolved in water, and has a solubility lower than 5 g/100 mL with respect to water.


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