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.:
Date of Patent:
May. 04, 1976
Filed:
Nov. 07, 1974
Applicant:
Inventors:
Assignee:
Nippon Steel Corporation, Tokyo, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
148 / ; 148 / ; 148-616 ;
Abstract
Surface treatment of weather-resistant steel by applying a liquid composition comprising 5 to 50% of Fe.sub.3 O.sub.4 + Fe.sub.2 O.sub.3, 0.01 to 5% of phosphoric acid, 0.01 to 10% of at least one selected from the consisting of Pb, Ni, Cu, P, Zn, Cr and their compounds, 3 to 30% of butyral resin, the balance being solvent by spraying or brushing. The surface treatment is effective for preventing the occurence of the initial rust formation of the steel and promoting a stable and dense protective rust against subsequent corrosion of the steel.
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Kado, Satoshi. (1976). Surface treatment of a weather-resistant steel (U.S. Patent No. 3954511). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/3954511
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile