Compositions – Preservative agents – Anti-oxidants or chemical change inhibitants
Patent
1976-09-30
1977-12-20
Shine, W. J.
Compositions
Preservative agents
Anti-oxidants or chemical change inhibitants
B01J 2104, B01J 2304, B01J 2322
Patent
active
040640728
ABSTRACT:
In the process of making dicyanonaphthalene by reacting a di-lower alkylnaphthalene, ammonia and oxygen under ammoxidation conditions, the improvement which comprises carrying out said ammoxidation in the presence of a supported alkali-metal vanadium bronze catalyst, promoted with iron and with a molar ratio of ammonia to dialkylnaphthalene of from at least about 10:1 to about 30:1. The invention also embodies the iron promoted catalyst.
REFERENCES:
patent: 3959336 (1976-05-01), Bushick et al.
Hess J. Edward
Johnson Donald R.
Lipsitz Paul
Shine W. J.
Suntech, Inc.
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