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:
Sep. 13, 1988
Filed:
Sep. 30, 1987
Applicant:
Inventors:
Edward J Griffith, Manchester, MO (US);
Toan M Ngo, Eureka, MO (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
148-617 ; 148 / ; 148 / ;
Abstract
Compositions and processes for activating metal surfaces prior to coating with a phosphate compound are disclosed. Colloidal alkyl benzene sulfonate salts are disclosed as a novel class of activating materials to replace titanium containing Jernstedt salt baths for treatment of metal surfaces prior to coating with a protective phosphate material.