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:
Oct. 11, 1988
Filed:
Mar. 18, 1986
Applicant:
Inventor:
Wim M Verberne, 's-Hertogenbosch, NL;
Assignee:
OMI International Corporation, Warren, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
148-621 ;
Abstract
A method of passivating a zinc-cobalt alloy, which alloy has a cobalt content of 0.1-2%, by contacting the alloy with an aqueous composition which has a pH of 0.5-2.5 and contains hexavalent chromium, hydrogen ions to provide the pH, chloride ions and sulfate ions and which may also contain nickel and/or cobalt ions.
Verberne, Wim. (1988). Passivation (U.S. Patent No. 4776898). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4776898
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile