Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1975-12-04
1977-12-06
Garvin, Patrick P.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252461, 252470, 423235, 423239, 423351, B01J 2316, B01J 2104, B01J 2384, C01B 2100
Patent
active
040615979
ABSTRACT:
An improved process for suppression of oxides of nitrogen arising from heat treatment of catalyst materials containing a source of such oxides is provided which comprises separately introducing the catalyst material and urea into the heating zone and then effecting heat treatment.
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patent: 3801696 (1974-04-01), Mark
patent: 3826810 (1974-07-01), Lawson
patent: 3846981 (1974-11-01), Paczkowski
patent: 3853791 (1974-12-01), Feins
patent: 3895094 (1975-07-01), Carter et al.
patent: 3900554 (1975-08-01), Lyon
patent: 3914390 (1975-10-01), Kudo et al.
Allison William Woodrow
Goldstein Marvin Sherwood
Lindsley John Francis
Price Charles Dan
American Cyanamid Company
Garvin Patrick P.
VAN Loo William J.
Wright William G.
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