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:
Jan. 13, 1976
Filed:
May. 24, 1974
Applicant:
Inventor:
George Schneider, Trevose, PA (US);
Assignee:
Amchem Products, Inc., Ambler, PA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
148-62 ; 427409 ;
Abstract
A coating solution comprising trivalent chromium and one or more cations selected from the group consisting of manganese, bismuth, antimony tin, zinc and molybdenum is employed in a process wherein the solution is contacted with a metallic surface to form a corrosion resistant coating. The coating can be force dried or can be treated with a passivating solution.