Catalyst preparation utilizing metal nitrates and nitrogen oxide

Details Catalyst preparation utilizing metal nitrates and nitrogen oxide Catalyst preparation utilizing metal nitrates and nitrogen oxide

1974-01-02

1977-09-27

Garvin, Patrick P.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252430, 252465, 252466PT, 252467, 252470, 252472, 4232132, 4232135, B01J 2326, B01J 3700

Patent

active

040510700

ABSTRACT:
Provisions are taken to counter nitrogen oxide fumes produced in catalyst preparation involving metal nitrate decomposition, as by including urea or another scavenger, or by delaying calcining until used as catalyst in treating auto exhaust.

REFERENCES:
patent: 3438721 (1969-04-01), Innes
patent: 3470105 (1969-09-01), Briggs et al.
patent: 3619127 (1971-11-01), Hass
patent: 3661806 (1972-05-01), Briggs et al.
patent: 3770659 (1973-11-01), Cosgrove et al.
patent: 3801696 (1974-04-01), Mark
patent: 3853788 (1974-12-01), Feins et al.
patent: 3853791 (1974-12-01), Feins
patent: 3872030 (1975-03-01), Feins et al.
patent: 3947379 (1976-03-01), Feins
Noller, Chemistry of Organic Compounds, (1951) pub. by W. B. Saunders Co., Phila. Pa., pp. 241, 300 & 301.

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