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. 31, 1984
Filed:
Feb. 12, 1982
Wim M Verberne, GT 's-Hertogenbosch, NL;
Adriana G Eggels, Tilburg, NL;
OMI International Corporation, Warren, MI (US);
Abstract
The present invention is based on the discovery that addition of certain amino alcohol compounds enhance the brightening of deposits incorporating tin and cobalt or zinc and improve the process, rendering it capable of producing good deposits with less careful control on the thickness of the coating being required. According to the present invention a bath composition for electroplating a bright alloy deposit of cobalt and tin or cobalt and zinc on a substrate, is characterized by the present of a brightening amount of a compound having the formula: ##STR1## wherein: R.sup.1 represents an alkyl group having 1 to Y carbon atoms or an alkyl group having from 1 to Y carbon atoms at least one of which is substituted by a hydroxyl group; and