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:
Jan. 09, 1989
Applicant:
Inventors:
Thomas E Sullivan, Hamden, CT (US);
Juan Haydu, Orange, CT (US);
Assignee:
Enthone, Incorporated, West Haven, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C25B / ;
U.S. Cl.
CPC ...
204164 ; 204292 ;
Abstract
The permanganate process for treating plastics, e.g., printed circuit boards, to enhance the adhesion of metal plating to the plastic is improved by employing electrolysis to either maintain a certain permanganate level in the operating bath or to regenerate a spent or used bath.