PROCESS FOR THE ELECTROLESS DEPOSITING OF NOBLE METAL LAYERS ON THE SURFACES OF NON-NOBLE METALS

摘要

1. Claims for the contracting states : BE, CH, DE, FR, GB, IT, LI, LU, NL, SE Process for the currentless deposition of silver or gold layers on the appropriate less electro-positive metals by contacting the object to be coated with a coating bath which contains a metal complex which is obtainable by reaction of a chloride of monovalent silver or gold with a base, which is capable of complex formation with the silver or gold, and with hydrochloric acid. 1. Claims for the contracting state : Austria Process for the currentless deposition of silver or gold layers on to appropriate less electro-positive metals by contacting the object to be coated with a coating bath which contains a metal complex which is obtainable by reaction of a chloride of monovalent silver or gold with a base, which is capable of complex formation with the silver or gold, and with hydrochloric acid.