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7785556 |
Method of recovering ammonia
A method of recovering ammonia by the distillation of an aqueous solution containing ammonia, carbon dioxide and hydrogen cyanide. The distillation is conducted using a distillation apparatus...
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7294734 |
Process for converting a hydrocarbon to an oxygenate or a nitrile
This invention relates to a process for converting a hydrocarbon reactant to a product comprising an oxygenate or a nitrile, the process comprising: (A) flowing a reactant composition comprising...
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7262316 |
Process for producing aromatic nitrile compound
A novel process for industrially producing an aromatic nitrile compound represented by the following general formula (3): characterized in that one of an aromatic hydroxymethyl compound, an...
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7087551 |
Catalyst for use in catalytic oxidation or ammoxidation of propane or isobutane in the gaseous phase
Disclosed is an oxide catalyst comprising an oxide represented by the formula Mo1VaNbbXcYdZeQfOn (wherein: X is at least one element selected from the group consisting of Te and Sb; Y is at least...
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7015173 |
High temperature mixing
A catalyst comprising a mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase...
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6841696 |
N-unsubstituted amidinium salts
The invention relates to N-unsubstituted imidic ester alkyl sulphates, N-unsubstituted amidinium alkyl sulphates and a process for their preparation, which is characterized in that carboxamides are...
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6825380 |
Promoted multi-metal oxide catalyst
A catalyst comprising a promoted mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor...
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6610629 |
Process for producing an oxide catalyst for oxidation or ammoxidation
Disclosed is a process for producing an oxide catalyst comprising, as component elements, molybdenum (Mo), vanadium (V), at least one element selected from the group consisting of the two elements...
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6166241 |
Process for the simultaneous preparation of acrylonitrile and arcylic acid
The present invention relates to a method for the simultaneous production of acrylonitrile and acrylic acid by reacting propane with ammonia and oxygen in the gas phase catalytic oxidation in the...
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6143690 |
Ammoxidation catalyst for use in producing acrylonitrile or methacrylonitrile from propane or isobutane
An ammoxidation catalyst for use in producing acrylonitrile or methacrylonitrile from propane or isobutane, which comprises a compound oxide and a silica carrier having supported thereon the...
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6083869 |
Method for preparing ammoxidation catalysts
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5395974 |
Lewis acid catalyzed ammonolysis of nylon
The present invention relates to a method of reacting polyamides or mixtures thereof with ammonia to obtain a mixture of monomers. The reaction is carried out in the presence of certain Lewis Acid...
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5302756 |
Ammonolysis of nylon
Useful monomeric products are obtained in the reaction of nylon 6,6 with ammonia. Increased yield of monomer products from nylon 6,6 is obtained from ammonolysis when a mixture with nylon 6 is...
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5262547 |
Process for the production of petrochemicals
Petrochemicals are produced by the vapor phase reaction of a hydrocarbon with substantially pure oxygen in the presence of a suitable catalyst. In the improved process, the principal product is...
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5049692 |
Catalytic conversion of alkanes to nitriles, and a catalyst therefor
Disclosed herein is a process for producing a nitrile which comprises subjecting an alkane to a gas-phase catalytic oxidation reaction with ammonia in the presence of a complex oxide solid catalyst...
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4335010 |
Preparation of muconic acid mononitriles and copper(II)-ammonia reagent therefor
Substituted and unsubstituted phenols, catechols and orthobenzoquinones are converted to muconic acid mononitriles by reaction with copper(II)-ammonia reagents. The copper(II)-ammonia reagents can...
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4272451 |
Acetonitrile process with improved catalysts
In the process for preparing acetonitrile from CO, NH3 and H2, molybdenum catalysts containing manganese or alkaline earths, and optionally alkali metals, are employed to improve selectivity to...
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4272452 |
Process for preparing acetonitrile
A process for preparing acetonitrile by reaction of carbon monoxide, ammonia and hydrogen at elevated temperature in contact with metal-containing catalysts, in which carbon dioxide is utilized to...
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4179462 |
Process for preparing acetonitrile
A process for preparing acetonitrile by high temperature reaction of carbon monoxide, hydrogen and ammonia over a transition metal in reduced valence state as catalyst.
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3846473 |
AMMOXIDATION PROCESS
A process for vapor phase ammoxidation of hydrocrbons which comprises reacting vapors of ammonia and said hydrocarbon in the presence of a molten salt eutectic mixture of V2 O5 and K2 O, said...
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3502709 |
METHOD FOR PRODUCING MALONONITRILE
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3502726 |
HYDRAZINE DERIVATIVES OF OLIGOMERS OF TETRAFLUOROETHYLENE AND HEXAFLUOROPROPENE
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3839398 |
AMMOXIDATION PROCESS
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3845094 |
PROCESS FOR VAPOR PHASE AMMOXIDATION
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3652638 |
NITRILE PRODUCTION
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3812171 |
PRODUCTION OF NITRILES BY AMMOXIDATION
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3251648 |
Process for extremely rapidly carrying out gas phase reactions and cooling the reaction products thereof
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