Matches 1 - 24 out of 24
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6548701 Process for the preparation of 3-(methylthio)propanal  
A process for the continuous preparation of 3-(methylthio)propanal. A liquid reaction medium is contacted with a gaseous acrolein feed stream in a gas/liquid contact zone. The reaction medium...
6531101 Continuous hydrolysis process for preparing 2-hydroxy-4-methylthiobutanoic acid or salts thereof  
A continuous process for the preparation of 2-hydroxy-4-methylthiobutanoic acid or a salt thereof which includes introducing an aqueous mineral acid into a nitrile hydrolysis reactor including a...
6458997 Continuous hydrolysis process for the preparation of 2-hydroxy-4-methylthiobutanoic acid  
A continuous process for the preparation of 2-hydroxy-4-methylthiobutanoic acid which includes introducing sulfuric acid into a first reactor including a continuous stirred tank reactor and...
6320076 Process for the preparation of 3-(methylthio) propanal  
A process for the continuous preparation of 3-(methylthio)propanal. A liquid reaction medium is contacted with a gaseous acrolein feed stream in a gas/liquid contact zone. The reaction medium...
EP0830341B1 PROCESSES FOR THE PREPARATION OF 3-(METHYLTHIO)PROPANAL AND 2-HYDROXY-4-(METHYLTHIO)BUTANENITRILE  
Abstract not available for EP0830341 Abstract of corresponding document: WO9640631 Catalytic processes for the preparation of 3-(methylthio)propanal and 2-hydroxy-4-(methylthio)butanenitrile using...
6268531 Continuous hydrolysis process for preparing 2-hydroxy-4-methylthiobutanoic acid or salts thereof  
A continuous process for the preparation of 2-hydroxy-4-methylthiobutanoic acid or a salt thereof which includes introducing an aqueous mineral acid into a nitrile hydrolysis reactor including a...
EP0827889B1 Method for controlling an air-conditioning installation  
6166250 Continuous hydrolysis process for the preparation of 2-hydroxy-4-methylthiobutanoic acid  
A continuous process for the preparation of 2-hydroxy-4-methylthiobutanoic acid which includes introducing sulfuric acid into a first reactor including a continuous stirred tank reactor and...
5998664 Continuous hydrolysis process for the preparation of 2-hydroxy-4-methylthiobutanoic acid  
A continuous process for the preparation of 2-hydroxy-4-methylthiobutanoic acid which includes introducing sulfuric acid into a first reactor including a continuous stirred tank reactor and...
5925794 Process for the preparation of 3-(methylthio)propanal  
A process for the continuous preparation of 3-(methylthio)propanal. A liquid reaction medium is contacted with a gaseous acrolein feed stream in a gas/liquid contact zone. The reaction medium...
5905171 Process for the preparation of 3-(methylthio)propanal  
A process for the continuous preparation of 3-(methylthio)propanal. A liquid reaction medium is contacted with a gaseous acrolein feed stream in a gas/liquid contact zone. The reaction medium...
5856567 Continuous hydrolysis process for preparing 2-hydroxy-4-methylthiobutanioc acid or salts thereof  
A continuous process for the preparation of 2-hydroxy-4-methylthiobutanoic acid or a salt thereof which includes introducing an aqueous mineral acid into a nitrile hydrolysis reactor including a...
5825369 Compression of simple geometric models using spanning trees  
A computer system stores and transmits compressed simple triangular meshes. The computer uses a data structure that represents a simple triangular mesh in n-dimensional space. The data structure...
5744647 Process for the preparation of 3-(methylthio) propanal  
A process for the continuous preparation of 3-(methylthio)propanal. A liquid reaction medium is contacted with a gaseous acrolein feed stream in a gas/liquid contact zone. The reaction medium...
EP0827889A2 Method for controlling an air-conditioning installation  
The method involves controlling a refrigeration machine and an evaporation arrangement for cooling fresh air streaming into the vehicle interior. The system is controlled in dependence to an actual...
5705675 Processes for the preparation of 3-(methylthio)propanal and 2-hydroxy-4-(methylthio)butanenitrile  
Described herein is a catalytic processes for the preparation of 3-(methylthio)propanal and 2-hydroxy-4-(methylthio)butanenitrile using novel addition catalysts are disclosed. The novel addition...
5663409 Process for the preparation of 3-(methylthio) propanal and 2-hydroxy-4-(methylthio) butanenitrile  
Catalytic processes for the preparation of 3-(methylthio)propanal and 2-hydroxy-4-(methylthio)butanenitrile using novel addition catalysts are disclosed. The novel addition catalysts include:...
5637766 Process for the preparation of 3-(methylthio) propanal  
A process for the continuous preparation of 3-(methylthio)propanal. A liquid reaction medium is contacted with a gaseous acrolein feed stream in a gas/liquid contact zone. The reaction medium...
5352837 Process for the preparation of 3-(methylthio)propanal  
A process for the continuous preparation of 3-(methylthio)propanal. A liquid reaction medium is contacted with a gaseous acrolein feed stream in a gas/liquid contact zone. The reaction medium...
4064159 Process for preparing alpha-amino-gamma-methylmercaptobutyronitrile  
In a process for preparing alpha-amino-gamma-methylmercaptobutyronitrile by aminating, by means of ammonia, alpha-hydroxy-gamma-methylmercaptobutyronitrile at a temperature of 50° C to 100° C,...
3699148 PROCESS FOR THE SYNTHESIS OF 2-HYDROXY 4-METHYLTHIO BUTYRONITRILE  
A process, either continuous or intermittent, for the synthesis of 2-hydroxy 4-methylthio butyronitrile which comprises adding an amount of methyl mercaptan to a mixture of acrolein cyanohydrin and...
3683002 OPTICAL SEPARATION OF METHIONINE NITRILE  
A process for preparing optically active methionine, methionine nitrile, and methionine amide is disclosed. A mixture of L- and D-methionine nitrile is at least partially converted to a salt of...
3069457 Sulfide-nitrile compounds  
2938053 Amino acid analogues  
Matches 1 - 24 out of 24