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:
Apr. 25, 2000
Filed:
Dec. 11, 1997
Applicant:
Inventors:
Martin Bayes, Hopkinton, MA (US);
Peter W Hinkley, Whitman, MA (US);
Assignee:
Shipley Company, L.L.C., Marlborough, MA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B05D / ;
U.S. Cl.
CPC ...
216 13 ; 216-2 ; 216106 ; 216108 ; 252 792 ; 252 793 ; 134-2 ; 134-3 ;
Abstract
A process and composition for treating a metal surface to increase its surface roughness for subsequent adhesion to a polymer layer. The composition comprises hydrogen peroxide, inorganic acid, an amine free of a surfactant group and optionally, a corrosion inhibitor. The composition is characterized by elimination of a surfactant from solution.