Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1974-05-28
1976-01-27
Garvin, Patrick P.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252435, 260290, 260329, 260624, 260650, 260651, 260669, B01J 2718
Patent
active
039351262
ABSTRACT:
Alkaline earth-nickel phosphates having from about 61% to about 70% phosphate are superior catalysts for oxydehydrogenating alkyl aromatic compounds including nitrogen heterocyclics which have at least one C.sub.2 -C.sub.6 alkyl side chain to form derivatives having side chain unsaturation. The alkyl aromatic compound can have 1-2 rings. The process is carried out at 450.degree.-650.degree.C. and a space velocity of 55-2500.
REFERENCES:
patent: 2693496 (1954-11-01), Box
patent: 2843640 (1958-07-01), Langlois et al.
patent: 2934551 (1960-04-01), Stringer
patent: 3462495 (1969-08-01), Friedli
patent: 3541172 (1970-11-01), Stowe et al.
Baker Glwynn R.
Garvin Patrick P.
Hoynak Stephen
The Dow Chemical Company
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