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:
Jul. 22, 1986
Filed:
May. 31, 1985
Applicant:
Inventor:
Gerald Krulik, LaGuna Hills, CA (US);
Assignee:
Morton Thiokol, Inc., Chicago, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B44C / ; B29C / ; C03C / ; C03C / ;
U.S. Cl.
CPC ...
156655 ; 134 2217 ; 134 27 ; 134 29 ; 156644 ; 156645 ; 156668 ; 156902 ; 252 795 ; 252156 ; 427307 ;
Abstract
Aqueous, alkaline liquid NaMnO.sub.4 solutions are provided which provide excellent resin desmearing and etchback, especially in the manufacture of printed circuit boards. The solutions comprise water, alkali metal hydroxide, NaMnO.sub.4 and from about 0.1 to about 3.0 moles per mole of MnO.sub.4.sup.- of a co-ion for MnO.sub.4.sup.- selected from the group consisting of K.sup.+, Cs.sup.+, Rb.sup.+ and mixtures thereof.
Quick Actions:
Krulik, Gerald. (1986). Sodium permanganate etch baths containing a co-ion for permanganate and (U.S. Patent No. 4601784). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4601784
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile