Patent · US Expired

Method for removing residual precious metal catalyst from the surface of metal-plated plastics

US4874635A · kind A · utility

7Cited by
5References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 4, 1988
Grant dateOct 17, 1989
Priority date
Expiry dateApr 4, 2008

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH05K2203/1407
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A method for removing residual precious metal catalyst from a plastic, metal-plated surface is disclosed. The method involves the oxidation of the precious metal without degrading the plated metal or the plastic, followed by washing away the oxidized precious metal. This invention further includes methods for the plating of metal directly on the surface of a plastic substrate.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.