Patents
Patents for C07C 5 - Preparation of hydrocarbons from hydrocarbons containing the same number of carbon atoms (14,771)
01/1998
01/20/1998CA2002650C Dehydrogenation process
01/15/1998DE19628160A1 Verfahren zur Herstellung von Übergangsmetallcarbiden sowie deren Verwendung als Katalysatoren A process for preparing transition metal carbides and their use as catalysts
01/14/1998EP0818417A1 Zeolite itq-1
01/14/1998EP0818239A1 Photocatalyst, method of producing the photocatalyst, and photocatalytic reaction method
01/14/1998CN1170397A Reactor for catalytic dehydrogenation of hydrocarbons with selective oxidation of hydrogen
01/14/1998CN1170396A Hydrocarbon conversion process using zeolite bound zeolite catalyst
01/14/1998CN1170373A Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide for olefin isomerization
01/13/1998US5707921 Method of preparing isomerization catalyst composition
01/07/1998CN1169709A Large particle dehydrogenation catalyst and process
01/07/1998CN1169685A Recombined iron dioxide
01/06/1998US5705731 Reactivation of hydrocarbon isomerization catalysts
01/06/1998US5705730 Isomerization process with improved chloride recovery
01/06/1998US5705728 Reaction of ethane with chlorine to form ethylene and vinyl chloride in the presence of steam and heat treatment
01/06/1998US5705726 Catalytic isomerization of xylene and ethylbenzene with zeolites
01/06/1998US5705723 Hydrogenation catalyst composition and a hydrogenation process
12/1997
12/30/1997CA2002243C Method for preparing p-isobutylstyrene
12/29/1997EP0813517A1 Hydrogenation of unsaturated cyclic compounds
12/17/1997EP0812813A2 Process for preparing dialkylnaphthalenes
12/17/1997EP0812345A1 Method for selective hydrogenation of a distillation cut of hydrocarbons
12/17/1997CN1167757A Improved acrylonitrile recovery process
12/16/1997US5698752 Of alkyne; in presence of a hydrogenation catalyst and a sulfur compound
12/11/1997WO1997046636A1 Shape selective zeolite catalyst and its use in aromatic compound conversion
12/11/1997WO1997046487A2 Activated silica enriched mazzite, production method and application thereof
12/10/1997EP0811609A2 Improved acrylonitrile recovery process
12/10/1997EP0662941B1 Processes for converting chlorinated alkane byproducts or waste products to useful, less chlorinated alkenes
12/09/1997US5696043 A cracking catalyst mixture comprising a catalyst having an alkali metal oxide, alumina, silica; alkylation, alkenylation, aromatization, isomerization
12/09/1997US5695724 Apparatus for alkenylation of alkylaromatic hydrocarbon having continuous supply alkali metal compound
12/04/1997WO1997045387A1 Methylation of toluene to para-xylene
12/04/1997WO1997045385A1 Process for isomerization of alkylaromatic hydrocarbons
12/04/1997WO1997045384A1 Aromatic conversion processes and zeolite catalyst useful therein
12/04/1997WO1997045198A1 Zeolite catalyst and its use in hydrocarbon conversion
12/04/1997WO1997045197A1 Metal-containing zeolite catalyst, preparation thereof and use for hydrocarbon conversion
12/04/1997WO1997045196A1 Hydrocarbon conversion catalyst and its use
12/04/1997CA2256515A1 Metal-containing zeolite catalyst, preparation thereof and use for hydrocarbon conversion
12/04/1997CA2256512A1 Process for isomerization of alkylaromatic hydrocarbons
12/04/1997CA2256509A1 Aromatic conversion processes and zeolite catalyst useful therein
12/04/1997CA2255873A1 Methylation of toluene to para-xylene
12/03/1997EP0809684A1 Process for the production of olefins using a molybdenum oxicarbide dehydrogenation catalyst
12/03/1997EP0783470A4 Upgrading of fischer-tropsch heavy end products
12/03/1997CN1036579C Process for production of mono-olefine
12/02/1997US5693843 Reacting aliphatic diolefin in liquid phase with hydrocyanic acid in presence of catalyst comprising zero-valent nickel compound and specified bidentate phosphorus compound
11/1997
11/27/1997WO1997044304A1 Process for the catalytic hydrogenation of terpenoids
11/27/1997WO1997044299A1 Process for the selective production of acetic acid
11/27/1997WO1997044298A1 Recovery of styrene from pyrolysis gasoline by extractive distillation
11/27/1997DE19620542A1 Verfahren zur selektiven Herstellung von Essigsäure Process for the selective preparation of acetic acid
11/27/1997DE19620171A1 Verfahren zur katalytischen Hydrierung von Terpenoiden A process for the catalytic hydrogenation of terpenoids
11/26/1997EP0808299A1 Heavy aromatics processing
11/25/1997US5691463 Template catalysts of aluminum silicates with adamantane quaternary ammonium ion
11/25/1997US5691281 Well fluids based on low viscosity synthetic hydrocarbons
11/25/1997US5691262 Regeneration of catalysts used in oxidative dehydrogenation of alkylaromatics and paraffins
11/25/1997US5690809 In situ mitigation of coke buildup in porous catalysts by pretreatment of hydrocarbon feed to reduce peroxides and oxygen impurities
11/25/1997CA2045111C Process for paraffin isomerization with liquid phase adsorptive product separation and with direct recycle of extract stream
11/19/1997EP0807616A2 Process for procucing an alkylated, non-oxygen-containing aromatic hydrocarbon
11/19/1997EP0807119A1 Process for the preparation of ruthenium complexes and their in situ use as hydrogenation catalysts
11/19/1997EP0792251A4 Dual bed xylene isomerization
11/18/1997US5689031 From fischer-tropsch wax; separation; hydroisomerizing; blending
11/18/1997US5689029 Process for the dehydrogenation of paraffinic hydrocarbons
11/18/1997US5689027 Catalytic isomerization of xylene
11/18/1997US5689026 Catalyst containing zeolite beta, nickel, molybdenum, and sulfur
11/18/1997US5689023 Process for preparing styrene from ethylbenzene using a iron oxide catalyst
11/18/1997US5689022 Alkylation and extraction
11/18/1997CA2060155C Reconditioning method for a non-acidic catalyst used in a high severity process for dehydrogenation of light hydrocarbons
11/13/1997WO1997042159A1 Process for cyclopentadiene substitution with groups differing from each other
11/13/1997WO1997042145A1 Process for converting a geminally substituted cyclopentadiene
11/12/1997EP0806467A1 Process and apparatus for the thermal conversion of hydrocarbons into more insaturated aliphatic hydrocarbons by combination of a steam cracking and a pyrolysis step
11/11/1997US5686648 Continuous process for the isomerization of olefins with regeneration of the catalyst
11/11/1997US5686369 Iron oxide, alkali metal compound
11/11/1997US5685973 Hydrocarbon conversion processes using zeolite SSZ-42
11/06/1997WO1997041192A1 Catalyst and its use for dehydrogenating paraffinic/naphtenic hydrocarbons
11/06/1997WO1997040931A1 Catalyst for selective aromatization
11/06/1997DE19616736A1 Katalysator zur selektiven Aromatisierung A catalyst for selective aromatization
11/05/1997EP0804393A1 Shape selective hydrocarbon conversion
11/05/1997EP0804287A1 Catalyst for oxidative dehydrogenation of paraffinic hydrocarbons and use of this catalyst
11/04/1997US5683572 Zeolite SSZ-44
10/1997
10/30/1997DE19616738A1 Katalysator und seine Verwendung zur Dehydrierung von paraffinischen/naphthenischen Kohlenwasserstoffen Catalyst and its use for the dehydrogenation of paraffinic / naphthenic hydrocarbons
10/29/1997EP0679154B1 New crystalline form of a vitamin d analogue
10/23/1997WO1997039084A1 In situ mitigation of coke build-up in porous catalysts by pretreatment of hydrocarbon feed to reduce peroxides and oxygen impurities
10/22/1997EP0662940B1 Process for converting 1,1,2-trichloroethane to vinyl chloride and/or ethylene
10/21/1997US5679878 Process for dehydrogenation of alkyl aromatic compounds
10/15/1997CN1162295A Synthetic swelling clay minerals
10/15/1997CN1162274A Hydrocarbon conversion catalyst and method of catalytic onversion therewith
10/15/1997CN1161882A Catalyst for preparation of styrene by ethylbenzene dehydrogenation
10/14/1997US5677260 Catalyst composite for dehydrogenation of paraffins to mono-olefins and method for the preparation thereof
10/09/1997DE19634880A1 Regenerating used hydrogenation catalyst
10/08/1997EP0799170A1 Method of producing olefinically unsaturated compounds, in particular styrene, by catalytic oxidation
10/08/1997EP0799169A1 A reactor for catalytic dehydrogenation of hydrocarbons with selective oxidation of hydrogen
10/08/1997EP0799091A1 Sol-gel derived porous microcomposite of perfluorinated ion-exchange polymer and metal oxide for olefin isomerization
10/08/1997CN1161683A Ethane pyrolysis
10/07/1997US5675045 Process for the catalytic selective hydrogenation of polyunsaturated organic substances
10/07/1997US5675038 Providing a polyamine in the solution in addition to the lithium and alkylamine to speed the reaction
10/02/1997WO1997035662A1 Process for the preparation of spherically shaped microcomposites
10/01/1997EP0797650A1 Process for the isomerisation of a hydrocarbonaceous feedstock
10/01/1997EP0797560A1 Large particle dehydrogenation catalyst and process
10/01/1997EP0797559A1 Dehydrogenation catalyst having a bimodal pore size distribution
10/01/1997EP0797481A1 Restructured iron oxide
10/01/1997CN1161030A Zeolites and processes for their manufacture
10/01/1997CN1160701A Selective liquid-phase carbon-3 hydrogenating and de-alkynylating process with propane circulation
09/1997
09/30/1997US5672803 Reacting non-conjugated diolefin with monoolefins in the presence of metathesis catalyst
09/30/1997US5672801 Concurrent oxychlorination and coke deposit combustion during catalyst regeneration; simplification
09/30/1997CA2067341C Method for synthesis of prostaglandin derivatives