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:
Feb. 12, 1985
Filed:
Jul. 13, 1981
Applicant:
Inventors:
Gary D Kent, Sterling Heights, MI (US);
Norbert B Intorp, Farmington Hills, MI (US);
Thomas H Springstead, Pontiac, MI (US);
Assignee:
Parker Chemical Company, Madison Heights, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
148 / ;
Abstract
An aqueous acidic zinc phosphate coating composition for treating a metal surface to provide a conversion coating thereon, the composition comprising chlorate anion and an aromatic nitro anion in a weight ratio of less than 2:1 to about 1:10.