Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1976-12-13
1977-12-06
Dees, Carl F.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252463, B01J 2310, B01J 2308
Patent
active
040615944
ABSTRACT:
Alumina based bodies having resistance to temperatures of up to 1200.degree. C prepared by autoclaving alumina and at least one additive from the group of oxides of lanthanum, neodymium, praseodymium and thorium. Bodies of the alumina of this invention are useful in adsorption and catalysis.
REFERENCES:
patent: 3453331 (1969-07-01), Hargis et al.
patent: 3483138 (1969-12-01), Stephens
patent: 3551354 (1970-12-01), Schutten
patent: 3839230 (1974-10-01), Cobzaru
patent: 3850849 (1974-11-01), Kiovsky et al.
patent: 3867312 (1975-02-01), Stephens
Michel Max
Poisson Regis
Dees Carl F.
Rhone-Poulenc Industries
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