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:
Jul. 16, 1985
Filed:
Dec. 28, 1983
Applicant:
Inventors:
Joseph V Otrhalek, Dearborn, MI (US);
Donald R Gerard, Bowling Green, KY (US);
Assignee:
Detrex Chemical Industries, Inc., Southfield, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
148 / ; 148 / ; 427 57 ;
Abstract
A method for forming conversion coatings on metallic surfaces using an aqueous zinc phosphate immersion bath within which there is positioned a source of ultrasonic energy and the coated metallic object produced in carrying out the process in a controlled ultrasonic power environment.