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. 11, 2000
Filed:
Aug. 10, 1999
Katsutsugu Kitada, Chigasaki, JP;
Tanaka Kikinzoku Kogyo K.K., , JP;
Abstract
The present invention provides a process for producing bis(1,2-ethanediamine)gold chloride at high yield within a short reaction time and allows use of a safe solvent, as well as a gold-plating solution containing the gold chloride. Bis(1,2-ethanediamine)gold chloride can be produced at high yield through reaction of sodium chloroaurate and ethylenediamine anhydrate by use of a solvent. According to one characteristic feature of the process of the present invention, a safe solvent; i.e., at least one of acetonitrile, methanol, and ethanol, is used.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile