Class 570/227 - Catalyst utilized

Subclass of Class 570 - Organic compounds -- part of the class 532-570 series
Definition: Process employing a catalyst.
No. of patents: 34
Last issue date: 02/14/2012

Number	Title	Issue Date
8115038	Methods of making chlorinated hydrocarbons Methods for the manufacture of 1,1,1,2,3-pentachloropropane from 1,1,1,3-tetrachloropropane and chlorine are disclosed. Improved methods are provided for the manufacture of 1,1,2,3-tetrachloropropene from 1,1,1,2,3-pentachloropropane. Methods are also disclosed for ...	02/14/2012
7135601	Catalytic method for the production of fluoroalkylenes from chlorofluorohydrocarbons A process for producing a producing a product of the formula: R—CF═CHR1 wherein R is F or CF3 and R1 is F when R is F and is H when R is CF3 by reacting a reactant of the formula: CF...	11/14/2006
7091387	Process to convert alkanes into primary alcohols This invention provides a process to convert alkanes to primary alcohols of the same carbon number. Carbon numbers of particular interest are C8 to C18. The process comprises the steps of: a) halogenating a linear or branched (or mixture of lin...	08/15/2006
6909024	Process for the conversion of ethylene to vinyl chloride and novel catalyst compositions useful for such process This invention is a process for producing vinyl chloride from an ethylene-containing feed, oxygen, and a chlorine source in the presence of a catalyst. The process permits direct production of vinyl chloride in a single reactor system, and further permits ethane to ...	06/21/2005
6797845	Process for vinyl chloride manufacture from ethane and ethylene with immediate HCl recovery from reactor effluent A process for producing vinyl chloride monomer where significant quantities of both ethane and ethylene in input streams to the affiliated reactor where hydrogen chloride in the reactor effluent is essentially fully recovered from the reactor effluent in the first u...	09/28/2004
6388151	Synthesis of Tetraalkylcyclopentadienes A method for synthesizing tetramethylcyclopentadiene from 2,3-dibromobutane is described. A 2-bromo-2-butene Grignard is reacted with an ethyl formate to produce a 3,5-dimethyl-2,5-heptadiene-4-ol magnesium bromide which is then quenched with acetic acid ...	05/14/2002
6143939	Method of dehalogenation using diamonds A method for preparing olefins and halogenated olefins is provided comprising contacting halogenated compounds with diamonds for a sufficient time and at a sufficient temperature to convert the halogenated compounds to olefins and halogenated olefins via ...	11/07/2000
5821394	Process for converting a chlorinated alkane into a less chlorinated alkene Process for converting a chlorinated alkane into at least one less chlorinated alkene by reaction with hydrogen in the presence of a catalyst comprising palladium and a metal selected from the group consisting of silver, gallium, indium, thallium, germani...	10/13/1998
5763698	Process for reducing the fluorine content of hydrofluorocarbons and hydrohalofluorocarbons The fluorine content of an acyclic saturated compound of the formula Cn Fa Xb Hc (wherein each X is independently selected from the group consisting of Cl and Br, and wherein n is 1 to 6, a is 1 to 13, b is 0 to...	06/09/1998
5648571	Methods for the synthesis of chemical compounds Methods for synthesis of chemical compounds by catalytic transfer hydrogenation comprise forming a mixture of a starting material, a hydrogen donor material and a catalyst. The catalyst is selected from a catalytic form of carbon, a polyethylene glycol ph...	07/15/1997
5608130	Methods for the synthesis of chemical compounds Methods for synthesis of chemical compounds by catalytic transfer hydrogenation comprise forming a mixture of a starting material, a hydrogen donor material and a catalyst. The catalyst is selected from a catalytic form of carbon, a polyethylene glycol ph...	03/04/1997
5545388	Methods for the synthesis of chemical compounds Methods for synthesis of chemical compounds by catalytic transfer hydrogenation comprise forming a mixture of a starting material, a hydrogen donor material and a catalyst. The catalyst is selected from a catalytic form of carbon, a polyethylene glycol ph...	08/13/1996
5478548	Methods for the synthesis of chemical compounds Methods for synthesis of chemical compounds by catalytic transfer hydrogenation comprise forming a mixture of a starting material, a hydrogen donor material and a catalyst. The catalyst is selected from a catalytic form of carbon, a polyethylene glycol ph...	12/26/1995
5463153	Process for preparing 1-chloro-1,3-butadiene Process for preparing 1-chloro-1,3-butadiene, which consists in gas-phase dehydrochlorinating a dichlorobutene selected from 3,4-dichloro-1-butene and 1,4-dichloro-2-butene, in the presence of a catalyst selected from lanthanum phosphate and lanthanum pho...	10/31/1995
5345017	Process for reducing the fluorine content of halocarbons The fluorine content of an acyclic saturated compound of the formula Cn Fa Xb having at least one carbon with at least two fluorine substituents (wherein each X is independently selected from Cl and Br, and wherein n is 1 ...	09/06/1994
5276240	Catalytic hydrodehalogenation of polyhalogenated hydrocarbons A novel catalytic process involving complete hydrodehalogenation of halogenated aliphatic hydrocarbons in the presence of a hydrogen donor and a modified zeolite catalyst has been developed. The process is operated in a continuous flow mode and reaction p...	01/04/1994
5210345	Process for the preparation of vinyl chloride An addition of benzotrichloride produces a significantly higher yield of vinyl chloride in the thermal cleavage of 1,2-dichloroethane....	05/11/1993
5202102	Gas phase dehydrohalogenation using a pretreated catalyst A process is disclosed which comprises: contacting a catalyst such as alumina silica, aluminosilicates, titanium oxide, magnesium oxide, and the metals of Groups III and IIB of the Periodic Table under reducing conditions with a gaseous mixture comprising...	04/13/1993
5196617	Method of hydrodehalogenating halogenated organic compounds in aqueous environmental sources A process for hydrodehalogenating halogenated organic compounds present in a contaminated aqueous environmental source in which the halogenated organic compounds are reacted with hydrogen gas or a source of hydrogen gas in the presence of a catalyst of pa...	03/23/1993
5151263	Process for the catalyic decomposition of chlorofluoro-alkanes A process for the catalytic decomposition of chlorofluoro-alkanes commonly named as "flons" into harmless substances against destructing ozone layer of the stratosphere by using the catalyst comprising alumina or alumina -silica complexed oxide, wherein t...	09/29/1992
5099085	Chlorination reactions and oxychlorination reactions in the presence of honeycomb monolithic catalyst supports The use of hitherto known supported catalysts in chlorination processes and oxychlorination processes leads to high pressure drops and to the formation of hot spot temperatures in the reactor. When honeycomb monolithic catalyst supports provided with a mu...	03/24/1992
4943671	Reductive dehalogenation of organic halogen compounds Organic halogen compounds in which one or more halogen atoms are covalently bonded to the carbon are subjected to reductive dehalogenation by reaction with a hydrocarbon in the presence of carbon at elevated temperatures with formation of a hydrogen halid...	07/24/1990
4851597	Process for the thermal cleavage of 1,2-dichloroethane A process for the thermal cleavage of 1,2-dichloroethane to give vinyl chloride at 300° to 600° C. under atmospheric pressure or elevated pressure is described. Before cleavage of the 1,2-dichloroethane, 0.001 to 5% by weight of trichloroacetyl chloride...	07/25/1989
4816609	Process and catalyst for the dehydrohalogenation of halogenated hydrocarbons An unsaturated halohydrocarbon such as vinylidene chloride is produced by the dehydrohalogenation of haloalkanes such as 1,1,1-trichloroethane or 1,1,2-trichloroethane, in the presence of a novel mixed salt catalyst containing a Group IA metal cation such...	03/28/1989
4665243	Process for preparing vinyl chloride monomer The energy requirements for preparing vinyl chloride monomer can be reduced by a process which includes the steps of purifying by distillation ethylene dichloride, compressing the ethylene dichloride vapor from the distillation column to a temperature and...	05/12/1987
4613709	Process for the pyrolytic dehydrochlorination of haloalkanes in the presence of an initiator based on chlorinated product and the initiator employed in such a process The pyrolytic dehydrochlorination of haloalkanes is carried out with an initiator comprising chiefly decachlorobutane and octachloro-1-butene. The process can be applied particularly to the production of chloroethylenes from the corresponding polychloroethanes...	09/23/1986
4590317	Process for minimizing corrosion and coking in an ethylene dichloride plant A process is disclosed for the economical operation of a commercial ethylene dichloride (EDC) cracking furnace which typically is prone to coking of the tubes through which the EDC is flowed. The EDC cracking furnace is found to be critically sensitive to...	05/20/1986
4584420	Method for producing vinyl chloride Compound represented by the formula ##STR1## wherein each X is independently chloro or bromo is employed as a pyrolysis promoter in the pyrolysis of 1,2-dichloroethane to vinyl chloride....	04/22/1986
4384159	Catalytic dehydrohalogenation process Saturated C1-6 hydrochlorocarbons are dehydrochlorinated by contacting with ZSM-5 or silicalite zeolites at 200° C.-400° C....	05/17/1983
4225519	Dehydrochlorination process Increased selectivity to vinylidene chloride is obtained in the catalytic vapor phase dehydrochlorination of 1,1,2-trichloroethane by conducting the reaction in the presence of a cesium nitrate catalyst....	09/30/1980
4145367	Process for purifying 1,2-dichloroethane A process for removing chlorinated hydrocarbon impurities from 1,2-dichloroethane streams by partially or completely hydrogenating some or all of the impurities therein by passing hydrogen into said stream in the presence of a palladium hydrogenation cata...	03/20/1979
4144192	Dehydrochlorination catalyst Increased selectivity to vinylidene chloride is obtained in the catalytic vapor phase dehydrochlorination of 1,1,2-trichloroethane by conducting the reaction in the presence of a cesium nitrate catalyst....	03/13/1979
4098657	Electrolyte dehydrohalogenation of ଱-haloalcohols Reductive dehydrohalogenation of an ଱-haloalcohol to form an alkene by subjecting the haloalcohol to electrolysis in the presence of a liquid diluent and a strong mineral acid. The electrolysis may be carried out in a diaphragm cell using a high hyd...	07/04/1978
4010215	Process for the preparation of trichloroethylene The process of preparing trichloroethylene from 1,1,1,2-tetrachloroethane by decomposition of the tetrachloroethane under a pressure within the range of 1.5 to 10 bars and at a temperature within the range of 135° to 250° C and the treatment of the effl...	03/01/1977

PatentStorm

Famous Patents

PatentStorm News

Class 570/227 - Catalyst utilized