Finely particulated colloidal platinum, compound and sol for pro

Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants

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Details

252466PT, 252472, 2524253, 429 40, 429 42, 429 44, B01J 2342

Patent

active

041028198

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.

REFERENCES:
patent: 3531329 (1970-09-01), Selwitz
patent: 3932309 (1976-01-01), Graham et al.
patent: 3992331 (1976-11-01), Petrow et al.
patent: 4044193 (1977-08-01), Petrow et al.

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