Patent Number: 6,251,249

Title: Precious metal deposition composition and process

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.

Inventors: Chevalier; Jean W. (Richmond, RI), Gernon; Michael D. (Upper Providence, PA), Janney; Patrick K. (Ridley Park, PA)

Assignee: Atofina Chemicals, Inc.

International Classification: C25D 3/48 (20060101); C25D 3/02 (20060101); C23C 18/31 (20060101); C25D 3/46 (20060101); C25D 3/52 (20060101); C23C 18/42 (20060101); C25D 005/00 (); C25D 005/54 (); C25D 003/46 (); H01B 001/02 (); B05D 003/04 ()

Expiration Date: 06/26/2018