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:
May. 03, 2022

Filed:

Aug. 16, 2017
Applicant:

Shenzhen Candortech Incorporated Company, Shenzhen, CN;

Inventor:

Chao Chen, Shenzhen, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D 5/36 (2006.01); C25D 5/50 (2006.01); C25D 11/00 (2006.01); C23C 28/04 (2006.01); C25D 11/36 (2006.01); C23C 22/40 (2006.01); C23F 13/02 (2006.01);
U.S. Cl.
CPC ...
C23C 28/04 (2013.01); C23C 22/40 (2013.01); C23F 13/02 (2013.01); C25D 11/36 (2013.01);
Abstract

Disclosed is a surface anti-corrosion treatment method for stainless steel. The method comprises the following steps: (1) performing chemical de-oiling and alkaline corrosion treatments on the surface of stainless steel by using a sodium hydroxide solution and a solution containing an alkaline corrosion active agent, and then washing with water; (2) performing, by using an oxidation solution, an oxidation treatment on the surface of the stainless steel treated in step (1), and then washing with water; (3) using the surface of the stainless steel treated in step (2) as a cathode and soaking same in an electrolyte for electrolysis, and then washing with water; and (4) placing the surface of the stainless steel treated in step (3) at a temperature of 50° C.-60° C. under a humidity of 60%-70%, and performing a hardening treatment. Also disclosed are the use of the treatment method in the treatment of a stainless steel part and a stainless steel part obtained after the treatment by means of the treatment method.


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Chen, Chao. (2022). Surface cts anti-corrosion treatment method for stainless steel part (U.S. Patent No. 11319632). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11319632

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