Patents
Patents for C07C 4 - Preparation of hydrocarbons from hydrocarbons containing a larger number of carbon atoms (5,080)
05/1981
05/05/1981CA1100533A1 Process for vapor phase cracking of dicyclopentadiene and synthesis of 2,3-dihydrodicyclopentadiene therefrom
04/1981
04/22/1981EP0027157A1 Process for selective dealkylation of alkyl-substituted aromatic hydrocarbons
04/07/1981US4260839 Zeolite catalyst
03/1981
03/24/1981CA1098104A1 Silica-containing material and manufacture of hydrocarbons catalysed thereby
03/17/1981US4256565 Thermal cracking, high velocity atomized stream, fast heating and cooling rates
03/11/1981EP0024804A1 Selective cracking of phenylalkanes
03/10/1981US4255343 Preparation of 2-T-alkylanthracene
03/10/1981CA1097309A1 Crystalline zeolite zsm-34 and method of preparing the same
02/1981
02/17/1981US4251676 Selective cracking reactions by cofeeding organic amine or ammonia
02/17/1981US4251674 Method and apparatus for improving the selectivity of a process for hydrogenating acetylene to ethylene
01/1981
01/27/1981US4247730 Stable catalyst comprising rhodium oxide on a spinel support of alumina and an oxide of nickel, cobalt, copper, iron, zinc or magnesium
01/13/1981US4245130 Isomerization of alkyl aromatics using a gallium containing aluminosilicate catalyst
01/07/1981EP0021445A2 Method for preparing zeolites, zeolites obtained by such method and their use for the conversion of hydrocarbons
12/1980
12/24/1980WO1980002809A1 Method of regeneration of rhodium-containing catalyst
12/16/1980CA1091642A1 Method of preparing high purity alumina containing catalysts
12/10/1980EP0020043A1 Process for isomerising xylenes
12/09/1980US4238368 Zeolite comprising a metal 8 oxide and an alkali metal oxide or oxide from group 5,6, or 7
12/02/1980CA1090729A1 Process for the production of fuel values from carbonaceous materials
11/1980
11/26/1980EP0019304A1 Process for preparing arylic esters of carboxylic acids
11/25/1980US4235702 Hydrocarbon processing
11/18/1980US4234751 Selective cracking of phenylalkanes
11/11/1980US4233186 Group viii metal deposit on a nickel iron or cobalt aluminum oxide spinel catalyst support
11/04/1980US4231751 Novel method of testing a charge calcined alumina to determine its suitability for use in hydrocarbon conversion
10/1980
10/28/1980CA1088499A1 Silica modified zeolite catalyst and conversion therewith
10/14/1980CA1087598A1 Method for preparing a highly dispersed supported nickel catalyst
10/01/1980EP0016495A1 Process for the preparation of methane and ethane and methane and/or ethane so prepared
09/1980
09/30/1980US4225738 From n-butene through vinylcyclohexene intermediate
09/30/1980CA1086707A1 Catalyst and process for selective production of para dialkyl substituted benzenes
09/23/1980US4224141 Manufacture of aromatic compounds
09/17/1980EP0015758A1 Process for producing styrenes
09/02/1980CA1084954A1 Disproportionation of toluene
08/1980
08/19/1980US4218573 Zsm-5 ziolite catalyst
08/19/1980US4218303 Multistage carbonization and devolatilization in the presence of hydrogen provides good yields of benzene toluene and xylenes
08/06/1980EP0014059A1 New form of zeolite ZSM-11, preparation thereof and catalytic conversion therewith
07/1980
07/29/1980US4215231 Thermal cracking, separation, dealkylation, circulation
07/29/1980US4215018 Heating oxides of a group viii and a group ia metal on a support in a hydrogen atmosphere
07/22/1980US4214113 Method for carrying out pyrolysis of hydrocarbon starting products
07/22/1980US4214110 Process for producing hydrocarbons
07/15/1980CA1081654A1 Arc heater apparatus and method for producing acetylene from heavy hydrocarbon
07/08/1980US4211886 Manufacture of benzene, toluene and xylene
07/08/1980CA1080974A1 Gasification of hydrocarbon feedstocks
07/01/1980US4210520 Unsupported catalysts in the production of olefins
06/1980
06/25/1980EP0012613A1 A process for producing 3-alkylphenols and 1,3-dihydroxybenzene
06/25/1980EP0012570A2 Selective reaction of 1,4-disubstituted benzene compounds
06/24/1980US4209499 From choline chloride
06/24/1980US4209498 Silica-containing material FU-1
06/24/1980CA1080147A1 Obtaining hydrocarbons from rubber tires and waste plastic materials
06/11/1980EP0011874A1 Process for the preparation of ethylene by hydropyrolysis
06/10/1980US4207169 Process for the steam dealkylation of aromatic hydrocarbons
05/1980
05/28/1980EP0011476A1 Production of methane by hydrogenolysis of hydrocarbons; a process for the production of a supported ruthenium catalyst; a catalyst comprising ruthenium
04/1980
04/22/1980US4199437 Process for steam dealkylation of aromatic hydrocarbons
04/22/1980US4199436 Process for steam-dealkylating alkylaromatic hydrocarbons
04/15/1980CA1075720A1 Method for quenching cracked gases
04/08/1980US4197413 Alkylation over selective zeolite, oxidation to hydroperoxide, rearrangement
04/08/1980US4197186 Hydrocarbon conversion
03/1980
03/04/1980US4191844 Hydrodealkylation process and catalyst
03/04/1980US4191632 Process for the production of benzene from hydrocarbon fractions rich in alkyl-aromatic hydrocarbons and containing paraffinic and naphthenic hydrocarbons
03/04/1980CA1072989A1 Hydrocracking of polynuclear aromatic containing feedstocks
02/1980
02/19/1980CA1072128A1 Process for the production of ethylene
02/12/1980US4188308 Conversion of pendant sulfonate groups to sulfonic acid groups on perfluorvinylether-tetrafluoroethylene copolymer catalysts
02/12/1980US4188282 From mixtures of single ring alkyl aromatic compounds of 8 or more carbon atoms by dealkylation and isomerization
02/12/1980US4188281 Groups 6, 7, and 8 metals, oxides or sulfides
01/1980
01/22/1980CA1070337A1 Method of production of ethane by selective hydrogenolysis of alkanes
01/22/1980CA1070336A1 Method of catalytic conversion of butane
01/01/1980US4181811 Using a crystalline alumina-silica zeolite catalyst to produce 1,2 or 1,3-isomers
01/01/1980US4181601 Increased yields of light olefins and benzene-toluene-xylene obtained by addition of chlorine, fluorine, and mixtures to a bimetallic catalyst
12/1979
12/12/1979EP0005909A1 Isomerisation of alkyl aromatics using a gallium containing aluminosilicate catalyst
12/04/1979US4177219 Granulation of penicillins
11/1979
11/27/1979CA1067104A1 Process for the hydrodealkylation of alkylaromatic hydrocarbons
10/1979
10/30/1979US4172856 Olefins
10/30/1979US4172813 Process for selectively hydrodealkylating/transalkylating heavy reformate
10/23/1979CA1064890A1 Crystalline zeolite, synthesis and use thereof
10/16/1979US4171329 Novel method for dealkylating alkylaromatic hydrocarbons
10/16/1979US4171257 Petroleum distillate upgrading process
08/1979
08/28/1979US4166077 Method of production of ethane by selective hydrogenolysis of alkane
08/21/1979CA1060908A1 Olefins production
08/14/1979CA1060211A1 Process for producing a gaseous product from carbonaceous material
07/1979
07/10/1979CA1058226A1 Alkylation in presence of phosphorus-modified crystalline aluminosilicate catalyst
07/03/1979US4159970 Alkaline earth oxides promoted with manganese oxide and/or rhenium oxide as catalysts for cracking and dehydrocyclizing of alkanes
06/1979
06/12/1979US4157950 Hydrorefining zeolite, aromatization, alkylation
05/1979
05/30/1979EP0002048A1 Process for the preparation of 2,3- dihydrodicyclopentadiene from dicyclopentadiene and cyclopentene
05/29/1979CA1055531A1 Cracking process
05/02/1979EP0001695A1 Crystalline aluminosilicate zeolite, synthesis and use thereof
05/01/1979US4152361 Contacting phenylcyclohexane with an alkali metal aluminosilicate
04/1979
04/24/1979US4151217 Method of cooling cracked gases of low boiling hydrocarbons
04/17/1979US4150099 Synthetic halloysites
04/03/1979US4147734 Process for dealkylating an alkylaromatic hydrocarbon using supported catalyst
03/1979
03/20/1979US4145400 Coprecipitation salts of aluminum and cobalt or nickel with sodium carbonate
03/13/1979US4143521 Thermocracking; utilization of waste heat to generate ammonia refrigerant
03/06/1979US4143086 With a hydrocarbon feedstock, containing titanium polymerization catalyst residues
03/06/1979US4142962 Hydrogenation and hydrocracking with highly dispersed supported nickel catalysts
02/1979
02/20/1979US4140621 Maintaining or increasing the isobutane content of a cut subjected to selective hydrogenolysis
02/20/1979US4140493 Hydrocarbon steam reforming process
02/13/1979US4139569 Vapor phase cracking of dicyclopentadiene and synthesis of 2,3-dihydroxycyclopentadiene and cyclopentene
02/13/1979US4139496 Oxides of nickel, potassium, chromium, aluminum; nickel metal
02/13/1979US4139491 Novel method for preparing a high purity alumina
02/06/1979US4138443 Hydrodealkylation of alkylaromatic hydrocarbons
01/1979
01/30/1979US4137147 Process for manufacturing olefinic hydrocarbons with respectively two and three carbon atoms per molecule
01/23/1979US4136129 Oxides of group 8 and group 1a
01/09/1979CA1046091A1 Process for producing hydrocarbons
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