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. 08, 1979
Filed:
Feb. 15, 1978
Applicant:
Inventors:
Bernard Parant, Ozoir-La-Ferriere, FR;
Louis Cot, Montpellier, FR;
William Granier, Clapiers, FR;
Jean-Henri Durand, Montpellier, FR;
Assignee:
The Diversey Corporation, Chicago, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
148 / ; 148 / ; 148-627 ;
Abstract
Steel, aluminum and aluminum alloys, zinc and zinc alloys are treated to improve corrosion resistance with an aqueous solution of a fluorophosphate salt to passivate the metal surface, before or after phosphatizing and prior to painting.