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:
May. 09, 1989
Filed:
May. 31, 1988
Applicant:
Inventors:
Kazuhiro Fukuoka, Matsudo, JP;
Haruo Konishi, Tokyo, JP;
Assignee:
Kosaku & Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
204 444 ; 204 445 ;
Abstract
An electroplating bath for the formation of a tin-cobalt, tin-nickel, or tin-lead binary alloy coating is produced by mixing (a) as alloy coating-forming agent a tin salt and one member selected from the group consisting of a cobalt salt, a nickel salt, and a lead salt, (b) 1-hydroxyethane-1,1-diphosphoric acid and/or a salt thereof, (c) methanesulfonic acid and/or an alkali salt thereof, and (d) an electroconductive salt. A coating formed by electroplating using the bath is stable and excellent in gloss.