Patent · US Expired

Platinum colloid sol and method of forming same

US4059541A · kind A · utility

11Cited by
3References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 6, 1976
Grant dateNov 22, 1977
Priority date
Expiry dateMay 6, 1996

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/50
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

This disclosure deals with novel very fine, particulated colloidal platinum of the 15-25 Angstrom size range of unusual catalytic activity and particularly adapted for adsorption upon various substrata, and produced from a new platinum sulfite acid and a sol derived therefrom, with novel methods of preparation thereof being disclosed.

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