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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 11851767 B1

PDFFull Text
Date of Patent:
Dec. 26, 2023

Filed:

Jun. 26, 2018

Rust prevention member and method for producing same

Applicant:

Yuken Industry Co., Ltd., Aichi, JP;

Inventors:

Tsukasa Niwa, Aichi, JP;

Toshihiro Sugiura, Aichi, JP;

Yoshiki Hiramatsu, Aichi, JP;

Hiroki Yoshida, Aichi, JP;

Assignee:

YUKEN INDUSTRY CO., LTD., Aichi, JP;

Attorney:

JCIPRNET

Primary Examiner:

Lois L Zheng

Int. Cl.
CPC ...
C23C 10/52 (2006.01); C23C 22/78 (2006.01); C23C 22/82 (2006.01); C23C 28/00 (2006.01); C25D 3/22 (2006.01); C23C 10/28 (2006.01);
U.S. Cl.
CPC ...
C23C 22/78 (2013.01); C23C 22/82 (2013.01); C23C 28/00 (2013.01); C25D 3/22 (2013.01);
Abstract

As a rust prevention member that has excellent corrosion resistance, while being provided with a coating film that contains Si, a rust prevention member which is provided with a base material, a zinc-based plating layer that is provided on the base material, and a chemical conversion coating film that contains Si and is provided on the zinc-based plating layer is described. This rust prevention member is characterized in that the chemical conversion coating film has an Si-rich region on the surface side, said Si-rich region having an atomic ratio of the Si content to the Zn content of 1 or more, while having a thickness of 100 nm or more.

Find Patent Forward Citations

Niwa, Tsukasa. (2023). Rust prevention member and method for producing same (U.S. Patent No. 11851767). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11851767

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

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