Matches 1 - 50 out of 56 1 2 >


Match Document Document Title
7652180 Process for preparing alkyl chlorides  
The invention relates to a process for preparing alkyl chlorides by reacting alcohols with gaseous hydrogen chloride in the presence of a catalyst, wherein the catalyst comprises at least one...
7304192 Method for producing chlorinated hydrocarbon having chlorinated tertiary carbon  
The present invention relates to a simple method for efficiently producing aromatic-substituted chlorinated hydrocarbons, for example, high-purity cumyl chloride...
6992038 Zinc chloride-loaded support and method for producing the same  
The present invention is to solve the problems caused by a conventional method for producing a zinc chloride-loaded support wherein zinc chloride is adsorbed on a solid support in an aqueous...
6989175 Acyl fluoride activation of carboxysilyl-coated glass substrates  
A method for the acyl fluoride activation of a carboxysilyl-coated glass is described. The method includes providing a glass substrate having a surface with at least one pendant carboxysilyl linker...
6414204 Process for producing allyl chloride  
In a process for production of allyl chloride whereby allyl alcohol and hydrogen chloride are reacted in the presence of a catalyst and the resulting allyl chloride is distilled off from the...
6326519 Diallylic sulfides and processes for preparing the same  
Diallylic sulfides represented by Formula I ##STR1##wherein: R1 and R2 are independently chosen from the group consisting of --CHO, --CH2 Cl, --CH2 Br, --CH2 I, --CH2 OH, CH2 OSO2 CF3, --CH2 OSO2...
6206819 Halogenation catalyst  
N,N-disubstituted formamides, wherein the substituents are selected to provide formamides which have low volatility, are useful as halogenation catalysts. Such catalysts are generally less...
6111153 Process for manufacturing methyl chloride  
A process for manufacturing methyl chloride. The process consists essentially of contacting hydrogen chloride with at least a stoichiometric amount of methanol split into at least two portions with...
6077981 Process for the production of cyclopropylmethyl halides  
Disclosed is a process for the production of cyclopropylmethyl halides (CPMX) such as cyclopropylmethyl chloride (CPMCl) and cyclopropylmethyl bromide (CPMBr) wherein cyclopropanemethanol (CPMO) is...
5917099 Preparation of methyl chloride  
Methyl chloride is prepared by effecting liquid-phase reaction between hydrogen chloride and methanol in the absence of a catalyst. The reaction is effected in divided stages including at least an...
5910617 Process for the preparation of aliphatic or cycloaliphatic chlorides  
The process according to the invention consists in preparing chlorides of aliphatic or cycloaliphatic hydrocarbons by reacting the corresponding mono- or polyalcohol with phosgene or thionyl...
5859070 Catalytic process  
Synthesis of small quantities of compounds such as methanol from reagents, especially radio-labelled reagents such as 11 C oxides, in a carrier gas by a catalytic reaction using a catalyst that has...
5767330 Process for preparing alkyl chlorides  
The preparation of long-chain alkyl chlorides from alcohols and hydrogen chloride is improved by carrying out the reaction at a temperature below the boiling point of the alkyl chloride, and...
5723704 Process for the preparation of alkyl chlorides  
Process for the preparation of alkyl chlorides, characterized in that: a) in a first stage a primary mono- or polyhydric alcohol, which has a C4 -C30 carbon chain which is saturated, substituted or...
5637781 Process for the alcoholysis of carbon tetrachloride  
The invention relates to a process for the alcoholysis of carbon tetrachloride which consists in simultaneously sending, on the one hand, carbon tetrachloride and, on the other hand, an alcohol...
5384415 Process for the preparation of brominated compounds, especially from alcohols  
A process for the preparation of a brominated compound which comprises the step of reacting at least one compound selected from the group consisting of a chloroformate, a chlorosulfite and a...
5321171 Method for producing methyl chloride  
A method for producing methyl chloride, which comprises reacting methanol and hydrogen chloride in a gas phase in the presence of a catalyst, wherein a zirconium oxide catalyst or a composite...
5227550 Method for preparation of methyl chloride  
Carbon tetrachloride, which is a material of low value and may be banned due to the problem of the destructiveness against the stratospheric ozone layer, can be efficiently utilized in the...
5202512 Process for the preparation of halogenoalkanes  
Process for the preparation of methyl chloride, which comprises reacting methanol with hydrogen chloride in a concentration below the particular ageotropic concentration in the liquid phase in the...
5196618 Method for the preparation of methyl chloride from carbon tetrachloride and methyl alcohol  
An improvement is proposed in the method for the preparation of methyl chloride from carbon tetrachloride and methyl alcohol by the reaction including the partial reactions of, first, the...
5138110 Process for the preparation of alkyl-halides  
A process for preparing lower alkyl-halides from the reaction of HX and the corresponding lower alcohol, wherein X represents a halogen atom, comprises continuously feeding HX and a lower alcohol...
5132476 Process for producing C3 -C4 monoalkylchlorides  
The vaporous reaction product from the continuous reaction of C3 -C4 monoalkanols with hydrogen chloride is removed, condensed, and split into a light organic phase and a heavy aqueous phase. The...
5109138 Process and catalyst for hydrohalogenation of hydrocarbons  
A process for hydrohalogenating methanol with a hydrogen halide using a catalyst having an initial zone of lower activity and subsequent zones of higher activity so that coke formation and pressure...
4935564 Process for preparing alkyl halides  
A process for preparation of an alkyl halide, RX, from reaction between the corresponding alcohol, ROH, and a hydrogen halide, HX, which improves conversion of the hydrogen halide to the alkyl...
4935565 Process and catalyst for hydrochlorination of hydrocarbons  
Methyl chloride is produced by contacting methanol and hydrogen chloride in the vapor phase in the presence of KZnCl3 supported on silica. The process produces methyl chloride in good yield with...
4922043 Manufacture of methyl chloride by hydrochlorinating methanol, using a split methanol feed  
In a process for making methyl chloride by the catalytic hydrochlorination of methanol in the liquid phase, the common formation of unwanted dimethyl ether by-product is reduced by conducting the...
4808761 Demethanolization of aqueous CH3 OH/HCl solutions  
Residual aqueous phases, emanating from the synthesis of methyl chloride by reacting methanol with hydrochloric acid, are conveniently demethanolized by maintaining same in liquid phase and in the...
4794204 Process for the removal of dimethyl ether in methyl chloride  
A process is described for the removal of dimethyl ether in methyl chloride by catalytic cleavage by means of hydrogen chloride. Dimethyl ether is present as an impurity in crude methyl chloride...
4465880 Process for the manufacture of methyl chloride  
Methyl chloride is manufactured from methanol and hydrogen chloride in the gaseous phase in the presence of an aluminum oxide catalyst. The reaction is carried out in the presence of from 1 to 80...
4351972 Process for making anhydrous alkyl iodides  
The invention relates to the production of anhydrous alkyl iodides. To this end, carboxylic acid alkyl esters of the formula R1 COOR2, in which R1 stands for hydrogen or an alkyl or aryl radical...
4220609 Process for the recovery of alkyl chlorides  
Crude gaseous C1 -C3 alkyl chlorides, prepared by reacting the corresponding alcohol with hydrogen chloride, are freed from by-product water, unreacted hydrogen chloride and unreacted alcohol by...
4073816 Process for the continuous production of monochloroalkanes  
Monochloroalkanes are produced by reacting the corresponding alcohol with hydrogen chloride in the presence of a solution of zinc chloride. The mixture of alcohol and zinc chloride solution is...
3983180 Process for preparing methyl chloride  
A process for preparing methyl chloride by reacting hydrogen chloride with methanol in the liquid-phase non-catalytic reaction, employing a reaction system comprising a reactor and two distillation...
3981438 Centrifuge rotor having swinging members with variable pivot points  
A centrifuge rotor has a plurality of swinging buckets or bucket carriers disposed on its periphery. Mounting pins, having an oblong cross-section, for the buckets are secured to the rotor itself....
3981938 Method for producing dry alkyl halides  
A method for producing alkyl halides by reacting the corresponding alkanol with at least 10% molar excess of hydrogen halide at a temperature of at least 50°C. and under sufficient pressure to ...
3925460 Esters of cyclopropane substituted carboxylic acids  
Esters of cyclopropane substituted carboxylic acids, syntheses thereof, compositions thereof, and use for the control of mites and ticks.
3917729 Process for deuterating bromide derivatives  
The invention relates to a process wherein a mixture comprising a secondary or tertiary acyclic bromide or an alicyclic bromide, deuteriobromic acid and deuterium oxide is permitted to react for...
3852368 AMINE PROMOTERS FOR HYDROHALOGENATION  
Tertiary alcohols and Type III olefins are hydrohalogenated in the presence of an amine which acts as a reaction promoter. The amine speeds up the reaction between the hydrogen chloride and...
3649197 PREPARATION OF ALKYL HALIDES AND SULFUR FROM HYDROGEN SULFIDE, ALCOHOLS AND HALIDES  
Alkyl halides and sulfur are formed and recovered by reacting hydrogen sulfide, bromine or iodine and ethyl or methyl alcohol in the presence of an acid and an alkali metal halide.
3527820 PRODUCTION OF ALKYL CHLORIDES CONTAINING FROM 3 TO 6 CARBON ATOMS  
3502733 PRODUCTION OF CHLOROMETHANES  
3663619 PROCESS FOR THE PREPARATION OF 2,2',6,6'-TETRABROMO-4,4'-METHYLENEDIANILINE  
3819721 PREPARATION OF HALOADAMANTANES  
3784518 METHOD FOR PRODUCING ALKYL IODIDES  
3484495 CATALYTIC PROCESS FOR PREPARING ALKYL CHLORIDES OR BROMIDES  
3484494 CATALYTIC PROCESS FOR THE MANUFACTURE OF ALKYL HALIDES AND CATALYSTS THEREFOR  
3374278 Preparation of alkyl iodides from alkyl alcohols and organotin iodides  
3341579 Preparation of acetic acid and alkyl chlorides from ester-alcohol mixtures  
3340246 Process for the synthesis of amides, esters, alkyl halides, carboxylic acid anhydrides, and peptides employing aminoacetylenes as water acceptors  
3234289 Method of making a tetrabromobisphenol  
Matches 1 - 50 out of 56 1 2 >