Patents
Patents for C07C 15 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part (13,158)
04/1980
04/15/1980US4198535 Heating with silica-alumina catalyst
04/15/1980CA1075630A1 Use of water/methanol mixtures as solvents for aromatics extraction
04/08/1980US4197417 Iron alkylation catalyst
04/08/1980CA1075269A1 Solid phosphoric acid catalyzed alkylation of aromatic hydrocarbons
04/01/1980US4196229 Substituted divinyl stilbenes as optical brighteners
04/01/1980CA1074773A1 Dehydrogenation catalyst and process
03/1980
03/19/1980EP0008871A1 Disproportionation of toluene
03/11/1980US4192961 Method and catalyst for preparing styrene
03/11/1980CA1073472A1 Method for dehydrocyclising aliphatic hydrocarbons
03/04/1980US4191696 Forms metal nitrosyl complex which can be reoxidized
03/04/1980US4191632 Process for the production of benzene from hydrocarbon fractions rich in alkyl-aromatic hydrocarbons and containing paraffinic and naphthenic hydrocarbons
03/04/1980CA1072987A1 Non-oxidative dehydrogenation process
02/1980
02/19/1980CA1072127A1 Catalysts for the hydrotreatment of hydrocarbons and processes for the utilization of said catalysts
02/12/1980US4188336 Conversion of synthesis gas to aromatic hydrocarbons
02/12/1980US4188282 From mixtures of single ring alkyl aromatic compounds of 8 or more carbon atoms by dealkylation and isomerization
02/06/1980EP0007718A1 Oxidation process using metal nitro complex
02/05/1980CA1071239A1 Inhibitors for vinylbenzyl chloride and vinyltoluene decomposition
01/1980
01/29/1980CA1070714A1 Alkylation in presence of thermally modified crystalline aluminosilicate catalyst
01/23/1980EP0007126A1 Cumene synthesis process
01/23/1980EP0007081A1 Method for the preparation of nitrogen-containing crystalline metal silicates with a zeolitic structure, metal silicates prepared by this method and their use as catalysts
01/22/1980CA1070337A1 Method of production of ethane by selective hydrogenolysis of alkanes
01/22/1980CA1070334A1 Preparation of alkylnaphthalene mixture
01/09/1980EP0006700A1 Isomerization of a mixture of ethyl benzene and xylene
01/01/1980US4181811 Using a crystalline alumina-silica zeolite catalyst to produce 1,2 or 1,3-isomers
12/1979
12/18/1979US4179473 Alkylation, transalkylation of by-products, cocurrent flow
12/12/1979EP0005909A1 Isomerisation of alkyl aromatics using a gallium containing aluminosilicate catalyst
12/11/1979CA1067881A1 Catalysts prepared by sputtering and agglomeration
12/04/1979US4177250 Method of removing acetylene and sulfur compounds from gases by absorption in dimethyl formamide
11/1979
11/27/1979CA1067104A1 Process for the hydrodealkylation of alkylaromatic hydrocarbons
11/27/1979CA1067103A1 Selective hydrogenation process
11/20/1979US4175099 Separation and recovery of ethylbenzene from C8 aromatic mixtures using rubidium-X sieves
11/20/1979US4175057 Zeolite composition
11/20/1979US4175034 Closed-loop vacuum fractionation process
11/14/1979EP0005315A2 Production of xylene hydrocarbons
11/14/1979EP0005287A1 A process for the preparation of an aromatic hydrocarbon mixture
11/13/1979CA1066263A1 Hydrocarbon conversion catalysts
11/13/1979CA1066218A1 Polymerization inhibitor for vinyl aromatic compounds
10/1979
10/23/1979US4172100 Polymerization catalysts
10/23/1979CA1064893A1 Catalyst composition and method for preparing the same
10/02/1979US4169865 Production of aromatic hydrocarbons
09/1979
09/25/1979US4169111 Manufacture of ethylbenzene
09/11/1979US4167533 Thermocracking, dealkylation
09/11/1979US4167472 Aromatization of straight and branched chain hydrocarbons, catalyst containing group 8 metal and a tin modified aluminate
08/1979
08/28/1979US4166077 Method of production of ethane by selective hydrogenolysis of alkane
08/22/1979EP0003622A1 Process for the preparation and separation of para-xylene
08/07/1979CA1059928A1 Separation of aromatic isomers
07/1979
07/31/1979US4163028 In admixture with ethylbenzene, zeolite catalyst
07/24/1979US4162255 Process for extracting aristolochic acids
07/24/1979US4162214 Simplified catalytic hydrocracking, mordenite, molybdenum oxide or sulfide, nickel, cobalt, platinum
07/24/1979CA1059154A1 Recovery of polymerization inhibitor
07/24/1979CA1059150A1 Process for producing ethylphenol
07/11/1979EP0002900A1 Method for producing aluminosilicates and their use as catalysts and supports
07/11/1979EP0002742A1 Stilbene derivatives, their preparation and medicines containing these stilbene derivatives
07/10/1979US4160788 P-xylene using crystalline zeolite
06/1979
06/26/1979US4159282 Zeolite catalyst
06/26/1979US4159257 Catalysts for hydrotreatment of hydrocarbons including methods of preparing and using same
06/19/1979US4158676 Isomerization process
06/12/1979US4158026 Combination process for selected aromatic hydrocarbon production
06/12/1979US4158025 Selected aromatic hydrocarbon production
06/05/1979US4157356 Process for aromatizing C3 -C8 hydrocarbon feedstocks using a gallium containing catalyst supported on certain silicas
06/05/1979US4157355 Combination process for selected aromatic hydrocarbon production
06/05/1979CA1055876A1 Process for the separation of aromatic hydrocarbons from a mixed hydrocarbon feedstock
05/1979
05/29/1979CA1055470A1 Manufacturing process of a catalysy containing aluminium oxide and borox oxide, catalyst thus obtained and its use in alkylation reactions
05/22/1979US4155834 Catalytic reforming method for production of benzene and toluene
05/16/1979EP0001873A1 Method of producing polyisoprenoid compounds by carbon-carbon bond formation
05/16/1979EP0001759A1 (Omega-aminoalkoxy) bibenzyls, processes for their preparation and pharmaceutical compositions containing these substances
05/08/1979US4153630 Inclusion compounds, process for preparation thereof, and process for separating isomers using the inclusion compounds
05/01/1979US4152365 Selective hydrogenation of polyenes
05/01/1979US4152363 Vapor phase isomerization of methyl-substituted aromatic hydrocarbons improved by using highly diluted zeolite catalyst
05/01/1979US4152300 Oxides of iron, potassium, vanadium and an additive, for hydrocarbons, selectivity
05/01/1979US4152297 Pretreating process for the stabilization of a catalyst for the conversion of aromatic hydrocarbons
04/1979
04/24/1979US4151120 Preparation process of a catalyst for converting aromatic hydrocarbons
04/24/1979US4151071 Dehydrocyclization process
04/17/1979US4150063 Purification of unsaturated compounds
04/17/1979CA1052827A1 Selective preparation of paraxylene
04/10/1979US4148834 Preparation of synthetic hydrocarbon lubricants
04/03/1979US4147735 Aromatic hydrocarbons
04/03/1979CA1051809A1 Alkylation reaction chamber
03/1979
03/27/1979CA1051463A1 Disproportionation of toluene
03/27/1979CA1051462A1 Process for the manufacturer of styrene
03/20/1979US4145276 Group 8 metal, nickel and tungsten compounds, halided alumina
03/13/1979US4144279 Styrene, vinyltoluenes, methylstyrene/a-/
03/13/1979US4144197 Dehydrogenation catalyst
03/13/1979CA1050520A1 Absorbent and process for aromatic hydrocarbon mixture separation
03/06/1979US4143087 Using a partially reduced bismuth oxide catalyst
03/06/1979US4143084 Di-alkylbenzene isomer mixtures
03/06/1979US4143083 Dehydrogenation process
02/1979
02/27/1979CA1049570A1 Method of separating and recovering alkenylbenzenes and unreacted alkylbenzenes from the alkenylation reaction product
02/21/1979EP0000812A1 A process for isomerizing xylenes
02/20/1979CA1049050A1 Process for preparing monoalkenylbenzenes
02/13/1979US4139571 C8 Alkyl aromatic hydrocarbon isomerization by recycling benzene and toluene
02/13/1979CA1048553A1 Hydrogenation of olefinically hydrocarbons
02/13/1979CA1048435A1 Separation of unsaturated compounds from liquid hydrocarbon mixtures containing same
02/07/1979EP0000669A1 Zeolite ZSM-11, a method for preparing it, and a process of catalytic conversion using a catalyst comprising it
02/07/1979EP0000536A1 Process for the separation of solutions containing vinyl oxirane
02/06/1979US4138443 Hydrodealkylation of alkylaromatic hydrocarbons
01/1979
01/24/1979EP0000432A1 A process for effecting catalytic isomerization of monocyclic methyl-substituted aromatic hydrocarbon compounds
01/16/1979CA1046481A1 Dehydrogenation of alkyl aromatic hydrocarbons
01/09/1979US4133743 Moving bed catalytic process for hydrocarbon conversion
12/1978
12/26/1978CA1045168A1 Hydrodealkylation of aromatic alkyl hydrocabons