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:
Oct. 28, 1980

Filed:

Jul. 09, 1979
Applicant:
Inventors:

Kohichi Saruwatari, Tokyo, JP;

Kazuo Isawa, Tokyo, JP;

Masatsugu Maejima, Tokyo, JP;

Takao Suzuki, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23B / ;
U.S. Cl.
CPC ...
204 / ; 204 / ; 204 / ;
Abstract

A method for the surface treatment of anodic oxide film is disclosed which comprises the steps of electrolyzing the porous surface of anodic oxide film of aluminium or aluminium alloy in an aqueous solution of ammonium thiomolybdate, optionally immersing it in an aqueous solution of ammonium thiomolybdate or alkali metal thiomolybdate and in dilute mineral acid or organic acid alternately, and subjecting it to a heat treatment so as to impregnate the micropores of the anodic oxide film with molybdenum sulfide and to fix the molybdenum sulfide therein.


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