Patent · US Expired

Finely particulated colloidal platinum, compound and sol for producing the same, and method of preparation

US4102819A · kind A · utility

20Cited by
4References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 9, 1977
Grant dateJul 25, 1978
Priority date
Expiry dateMay 9, 1997

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.

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