Patents
Sitemap › C07 - Organic chemistry › C07C - Acyclic or carbocyclic compounds › C07C 5 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms
Patents for C07C 5 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms (14,771)
11/1991
11/26/1991US5068484 Process for the hydroconversion of a feedstock comprising organic compounds having a tendency to readily form polymer compounds
11/26/1991US5068480 Subjecting alkyl substituted toluene compounds to cyclization and dehydrogenation in the presence of a catalyst of lead oxid e and/or indium and aluminum oxide
11/26/1991US5068477 Impregnation with reducing agent, decomposition with heat and drying
11/26/1991US5068367 Tetracyano-1,4-hydroquinone and tetracyano-1, 4-benzoquinone
11/19/1991CA1292250C Dual function process for isomerization and ring opening of a feed stream containing paraffins and hydrocarbons
11/19/1991CA1292249C Process containing hf alkylation and selective hydrogenation
11/19/1991CA1292248C Steam dehydrogenation and oxidative reheat process using only one catalyst system
11/13/1991CN1056068A Catalyst for transforming di-olefines selectice hydrogenation to single-olefines
11/05/1991US5063037 Zeolites, catalysts !
10/1991
10/31/1991WO1991011432A3 Tetracyano-1,4-hydroquinone and tetracyano-1,4-benzoquinone
10/30/1991EP0454022A1 Catalyst and process for dehydrogenation and dehydrocyclization
10/29/1991CA1291471C Extruded zeolite catalysts
10/23/1991EP0453340A1 Process for the synthesis of a silica enriched, cristalline aluminosilicate with the offretite structure.
10/23/1991EP0452411A1 Acid catalyzed process
10/23/1991CN1014403B Process for production of 2,3 dimethylbutene-1 from propene
10/22/1991US5059741 C5/C6 isomerization process
10/22/1991US5059539 Test for catalyst activity
10/17/1991WO1991015294A1 Zeolite catalyst with hexagonal structure and its application
10/17/1991WO1991015293A1 Catalyst based on a faujasite and its application
10/16/1991EP0451280A1 Method and device for obtaining lower olefines
10/16/1991CN1055353A Improved synthesis of diethynylbenzene
10/16/1991CN1055303A Catalytic composition for dehydro-genation of c2-c5 paraffins
10/15/1991US5057618 Complex compounds containing sulfonated phenyl phosphanes
10/15/1991US5057471 Process for the obtainment of a light paraffin isomerization catalyst
10/15/1991US5057295 Porous, three dimensional framework
10/15/1991CA1290738C Attrition-resistant catalyst composition, method of making and use
10/09/1991EP0450318A1 An improved synthesis of diethynylbenzene
10/09/1991CN1014234B Dehydrogenation of hydrocarbon by oxidation reheating
10/08/1991US5055634 Adsorption and isomerization of normal and mono-methyl paraffins
10/08/1991US5055633 Separating isopentane and dimethylhexanes by adsorption of impurities; octane rating
10/08/1991US5055629 Process for isomerizing hydrocarbons
10/08/1991CA1290354C Process for the selective hydrogenation of alkynes
10/08/1991CA1290353C Process for isomerization of a hydrocarbon feed stream
10/08/1991CA1290349C Hydrogen acceptor catalysis for aromatization of hydroaromatic compounds
10/02/1991EP0449453A2 Process for oligomerizing olefins to prepare base stocks for synthetic lubricants
10/02/1991EP0448858A1 Hydrocarbon dehydrogenation catalyst
10/02/1991EP0448584A1 Process and catalyst for dehydration or dehydrocyclization of hydrocarbons.
10/01/1991US5053580 From mixtures of vaporized chromyl chloride, titanium tetrachloride, and vanadyl chloride by laser pyrolysis
10/01/1991US5053572 Multistage ethylbenzene dehydrogenation process with split-flow hydrocarbon feed
10/01/1991US5053558 Mixing with catalyst containing Group 8 metal, modifier, catalyst support of pentasil zeolite and inorganic oxide binder
10/01/1991US5053379 High-activity nickel catalyst and process for preparation thereof
10/01/1991US5053211 Crystallization reaction of oxides of silicon and boron, ethylenediamine and alkylammonium cation; without addition of metal or ammonium hydroxide
10/01/1991CA1289975C Process for preparing internal olefins
10/01/1991CA1289934C Catalytic composition for the isomerization of paraffinic hydrocarbons
09/1991
09/27/1991CA2036452A1 Synthesis of diethynylbenzene (an improved)
09/24/1991WO1991014500A1 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/24/1991US5051387 Zeolite L preparation
09/24/1991CA2078881A1 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/18/1991EP0447069A2 Process for preparing dimethylnaphthalene
09/17/1991US5049536 Catalytically active silica and alumina gel and process for preparing it
09/16/1991CA2036827A1 Process for preparing dimethynaphthalene
09/11/1991EP0329747B1 Device for dehydrating liquid hydrides
09/11/1991CN1054414A Process for isomerizing normal paraffin hydrocarbon in presence of at least one catalyst based on particular omega zeolite
09/10/1991US5047380 Ceramic materials, method of preparing the same and hydrogenation and oxidation processes using the same
09/04/1991EP0444750A2 Process for converting toluene and butadiene to styrene and 1-pentene
09/04/1991CN1054252A Method of synthesising a selective olefin hydrogenation catalyst
09/04/1991CN1054246A Dual function catalyst and isomerization therewith
09/03/1991US5045178 Reforming Hydrodesulfurized Kerosene
08/1991
08/27/1991US5043524 Selective double-bond isomerization process
08/27/1991US5043523 Al2 O3 alkene isomerization process and catalyst
08/27/1991US5043520 Contacting with a molybdenum, tungsten and/or rhenium dispro-portionation catalyst on an inorganic oxide support and an acidic zeolite isomerization catalyst
08/27/1991US5043512 Alkylaromatic isomerization process
08/27/1991US5043501 Process for preparing dimethylnaphthalene
08/27/1991US5043500 Use of steam eductor to supply oxygen for oxidative reheating in dehydrogenation of C3 + hydrocarbons
08/27/1991CA2037019A1 Process for converting toluene and butadiene to styrene and 1-pentene
08/21/1991EP0442159A1 Concurrent isomerization and disproportionation of olefins
08/20/1991US5041402 Containing oxides of silicon and/or germanium with aluminum, iron, gallium, boron titanium, vanadium, zirconium, molybdenum, arsenic, chromium and/or manganese
08/14/1991EP0441460A2 Cyclopentadienes, their manufacture and lubricating compositions containing them
08/14/1991EP0441430A1 Catalytic dehydrogenation of C2-C5 paraffins
08/13/1991US5039639 Process for converting spent butane isomerization catalysts to pentane isomerization catalysts
08/13/1991US5039638 Conversion of spent butane isomerization catalysts to pentane isomerization catalysts
08/13/1991CA1287613C Boronaaronate molecular sieve
08/08/1991WO1991011432A2 Tetracyano-1,4-hydroquinone and tetracyano-1,4-benzoquinone
08/08/1991WO1991011415A1 Dual function catalyst and isomerization therewith
08/08/1991CA2035798A1 Catalytic composition for the dehydrogenation of c2-c5 paraffins
08/07/1991EP0440540A1 Process for the isomerization of normal paraffins in presence of at least a catalyst supported on a given zeolithe omega
08/06/1991US5037790 Solid catalyst functionalized with sulfonic groups, process for perparing it and its use
07/1991
07/31/1991EP0438901A1 Conversion of C2+ hydrocarbons using microwave radiation
07/31/1991CN1013361B Catalyst containing pt, sn, li, s for dehydrogenation of saturated hydrocarbon
07/30/1991US5036159 For hydrocarbon cracking, oxidation of carbon monoxide and hydrogenation of alkenes heating
07/30/1991US5036035 Solid strong acid catalyst process for the production of the same and use thereof
07/27/1991WO1991011258A1 New zeolite ssz-31
07/27/1991CA2049035A1 Zeolite ssz-31
07/25/1991WO1991011416A1 Process for dehydrogenation/dehydrocyclization of aliphatics
07/25/1991CA2074478A1 Process for dehydrogenation/dehydrocyclization of aliphatics
07/24/1991EP0438288A2 Method of synthesising a selective olefin hydrogenation catalyst
07/24/1991EP0424445A4 Heterogeneous isoparaffin/olefin alkylation process
07/23/1991US5034561 Catalytic alkenylbenzene cyclization
07/17/1991CN1053018A Composition for zn-al-p-si-oxide molecular sieve
07/17/1991CA2034221A1 Method of synthesising a selective olefin hydrogenation catalyst
07/16/1991US5032565 Process for reducing a refining catalyst before use
07/16/1991US5032561 Catalyst composition for cracking non-aromatic hydrocarbons and isomerizing C8-aromatic hydrocarbons
07/16/1991US5032368 Gallium-aluminum-phosphorus-oxide molecular sieve compositions
07/16/1991CA1286279C Boron-promoted reducible metal oxides and methods for their use
07/11/1991WO1991009674A1 Catalyst for hydrogenation, dehydrosilylation or hydrosilylation, and its use
07/11/1991WO1991009608A1 Pharmaceutical preparation for controlling pathogenic intestinal bacteria
07/10/1991EP0436361A1 Method for improving the activity maintenance of plasma initiator
07/10/1991CN1052800A Modification of ethylbenzene dehydrogenation catalyst and its application method
07/09/1991US5030788 P-xylene-rich product, cooling product so that it passes from supercritical conditions to liquid phase at a pressure above c ritical
07/09/1991US5030781 Cyclization of tolyl pentenes or phenyl hexenes using zeolite type y catalyst
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