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:
Nov. 01, 1988
Filed:
Feb. 22, 1988
Applicant:
Inventors:
Henry J Gysling, Rochester, NY (US);
Joseph S Yudelson, Rochester, NY (US);
Assignee:
Eastman Kodak Company, Rochester, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
428694 ; 428900 ; 427128 ;
Abstract
For use in magnetic recording tapes and for other purposes, iron and iron alloy materials are passivated and protected against oxidative corrosion by treatment with a solution of a non-hygroscopic salt of bis(triphenylphosphoranylidene) ammonium cation with an anion such as nitrite or chromate.