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. 11, 1986
Filed:
May. 07, 1984
Applicant:
Inventors:
Thomas A Schmitkons, Camillus, NY (US);
George J Samuels, Syracuse, NY (US);
Joseph M Ilardi, Dewitt, NY (US);
Assignee:
Allied Corporation, Morris Township, Morris County, NJ (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ; B44C / ; C03C / ; C03C / ;
U.S. Cl.
CPC ...
156646 ; 29852 ; 5128 / ; 134-7 ; 156638 ; 156645 ; 1566591 ; 156902 ; 204 15 ; 204 384 ; 427 97 ; 430313 ; 430318 ;
Abstract
The invention relates to a novel process of etching a metal clad substrate which comprises contacting said substrate with one or more reactive gases, as for example ozone, to form one or more reaction products on the surface of the said metal which are more friable than said metal, and striking said reaction products with a plurality of abrasive particles.