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:
Aug. 22, 1989
Filed:
Dec. 07, 1988
Applicant:
Inventors:
F Gerhard Senge, State College, PA (US);
Angus A Watson, State College, PA (US);
Kenneth E Sanner, Spring Mills, PA (US);
Terry R Corbin, Huntingdon, PA (US);
Assignee:
Chemcut Corporation, State College, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25F / ;
U.S. Cl.
CPC ...
204146 ; 204202 ;
Abstract
A process and apparatus is provided to remove protective layers, such as various chromate coatings from metal sheets such as printed circuit boards, copper foils and the like, in a continuous manner while the articles are being conveyed along a predetermined path, by subjecting the same to an electric current, to electrolytically remove the layers.