Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1977-11-25
1979-10-23
Dees, Carl
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
252455R, 260659A, B01J 2706, B01J 2906
Patent
active
041720520
ABSTRACT:
Ethylene dichloride having a reduced chloral content is prepared by vapor phase oxychlorination of ethylene in the presence of a catalyst comprising aluminum halide and copper halide carried on a particulate support.
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patent: 3232889 (1966-01-01), Bellis
patent: 3378597 (1968-04-01), Dehn et al.
patent: 3420901 (1969-01-01), Schulz
patent: 3427359 (1969-02-01), Rectenwald et al.
patent: 3649698 (1972-03-01), Schmerling
patent: 3691098 (1972-09-01), Calcagno et al.
patent: 3785999 (1974-01-01), Derleth et al.
Dees Carl
PPG Industries Inc.
Whitfield Edward J.
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