Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1973-05-17
1976-06-01
Sneed, Helen M. S.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252439, 252442, 252441, 260290R, B01J 2706
Patent
active
039607666
ABSTRACT:
Catalysts useful in the reaction of acrolein with ammonia to form pyridine and 3-methylpyridine are prepared by heating compounds of Al, F, and O and at least two elements of the second, fourth, fifth and sixth groups of the periodic system with oxygen at 550.degree. to 1200.degree.C.
REFERENCES:
patent: 2289375 (1942-07-01), Mattox
patent: 2364114 (1944-12-01), Veltman
patent: 2400446 (1946-05-01), Veltman
patent: 2602772 (1952-07-01), Haensel
patent: 3271300 (1966-09-01), Baker
Beschke Helmut
Schaefer Hans
Schreyer Gerd
Schuler Wilhelm Alfons
Weigert Wolfgang
Deutsche Gold- und Silber-Scheideanstalt vormals Roessler
Sneed Helen M. S.
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