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:
Oct. 08, 1991
Filed:
Feb. 22, 1990
Applicant:
Inventors:
Klaus Bronder, Swabisch Gmund, DE;
Joachim Dietrich, Gelnhausen, DE;
Assignee:
Degussa Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ;
U.S. Cl.
CPC ...
204 475 ; 204 443 ;
Abstract
Bondable fine gold coatings are obtained from electrolytic baths which contain 2 to 100 g/l gold as alkali or ammonium gold (I)-cyanide, 0.1 mg to 5 g/l of a soluble bismuth compound, 0 to 250 g/l of a phosphonic acid, its salts, esters or simple substitution products and/or 0 to 250 g/l phosphoric acid or its salts but at least 5 g/l of phosphoric acid compound or phosphonic acid compound, and which exhibit a pH of 6 to 10.
Bronder, Klaus. (1991). Bath for the electrolytic deposition of fine gold coatings (U.S. Patent No. 5055173). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5055173
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile