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:
Jan. 20, 1981
Filed:
Sep. 26, 1978
Applicant:
Inventors:
Edward Hradil, Warwick, RI (US);
Hana Hradil, Warwick, RI (US);
Alfred M Weisberg, Providence, RI (US);
Assignee:
Technic, Inc., Cranston, RI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D / ; C07D / ; C25D / ; C25D / ;
U.S. Cl.
CPC ...
204 / ; 204 44 ; 204 / ; 2603 / ;
Abstract
A silver and silver alloy electroplating bath; electrolytic solution; water-soluble silver complex for incorporation therein; and the process for electrodeposition of silver and silver alloys; wherein the electrolytic solution and bath have a pH of at least 6, is free of cyanide, and comprises a water-soluble complex formed from the reaction of a silver salt or compound and an organic complexing agent selected from a pyrrolidine-2,5-dione or a 3-pyrroline-2.5-dione.