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:
Jun. 26, 2001
Filed:
Jul. 13, 1999
Applicant:
Inventors:
Jean W. Chevalier, Richmond, RI (US);
Michael D. Gernon, Upper Providence, PA (US);
Patrick K. Janney, Ridley Park, PA (US);
Assignee:
Atofina Chemicals, Inc., Philadelphia, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C25D 5/00 ; C25D 5/54 ; C25D 3/46 ; H01B 1/02 ; B05D 3/04 ;
U.S. Cl.
CPC ...
C25D 5/00 ; C25D 5/54 ; C25D 3/46 ; H01B 1/02 ; B05D 3/04 ;
Abstract
Formulations and procedures for the deposition of precious metals onto solid substrates are disclosed wherein the formulations are iodide-free and contain an organosulfur compound and/or a carboxylic acid and a source of soluble precious metal ion which is one or more precious metal alkanesulfonates, precious metal alkanesulfonamides and/or precious metal alkanesulfonimides. The formulations and processes may be cyanide-free, and the deposition may be effected by electrolytic, electroless and/or immersion plating techniques.