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:
Dec. 16, 1986
Filed:
Oct. 28, 1985
Applicant:
Inventors:
Constantine I Courduvelis, Orange, CT (US);
Anthony R Del Gobbo, Watertown, CT (US);
Assignee:
Enthone, Incorporated, West Haven, CT (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
427444 ; 156635 ; 156642 ; 156668 ; 427 98 ; 427306 ; 427307 ;
Abstract
An improved alkaline permanganate composition for etching printed circuit boards is provided by incorporating a secondary oxidant in the solution capable of oxidizing manganate ion to permanganate ion.
Courduvelis, Constantine. (1986). Process for treating plastics with alkaline permanganate solutions (U.S. Patent No. 4629636). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4629636
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile