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7638673 Process for hydrocarbon conversion with on-line solid particulate material removal  
This invention relates to a process for converting a hydrocarbon feedstock, comprising the steps of (A) feeding the feedstock to a reactor or adsorption unit; (B) contacting the feedstock in the...
7622032 Hydrocarbon conversion using molecular sieve SSZ-74  
The present invention relates to new crystalline molecular sieve SSZ-74 prepared using an hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication as a structure-directing agent, and processes...
7604794 Zeolite catalyst for skeletal isomerisation of olefins  
The present invention relates to an active and selective zeolite catalyst having MTT structure that is useful in skeletal isomerisation of light olefins. The method for the manufacture of the...
7462277 Continuous method for separating a C4 cut  
In a continuous process for fractionating a C 4 fraction (C 4 ) by extractive distillation using a selective solvent (LM) in an extractive distillation column (EDK), it is proposed that a dividing...
7459073 Hydrocarbon conversion using molecular sieve SSZ-47B  
The present invention relates to new crystalline molecular sieve SSZ-47B prepared using a N-cyclopentyl-1,4-diazabicyclo[2.2.2] octane cation as a structure-directing agent and an amine too large...
7332637 Isomerization of olefins with carboxylic acid  
A method of modifying the activity of a solid acid catalyst by contact with a carboxylic acid is presented. The modified catalyst is exposed to a feed mixture including olefins in a reaction zone,...
7256152 Composition of catalyst and solvent and catalysis processes using this composition  
A composition defined: either as comprising at least one Broensted acid, designated HB, dissolved in a liquid medium with an ionic nature of general formula Q+A−, in which Q+ represents an...
7156980 Catalytic composition for the upgrading of hydrocarbon mixtures  
The present invention relates to a catalytic composition which comprises a beta zeolite, a metal of group VIII, a metal of group VI B and optionally one or more oxides as carrier. The catalytic...
7157613 Process for producing branched olefins from linear olefin/paraffin feed  
A process for producing branched olefins from a mixed linear olefin/paraffin isomerisation feed comprising linear olefins having at least 7 carbon atoms in 5–50% w comprising in a first stage...
7151199 Hydrocarbon conversion processes using non-zeolitic molecular sieve catalysts  
Hydrocarbon or oxygenate conversion process in which a feedstock is contacted with a non zeolitic molecular sieve which has been treated to remove most, if not all, of the halogen contained in the...
7115198 Hydrocarbon conversion using molecular sieve SSZ-51  
A novel crystalline aluminophosphate and metalloaluminophosphate of the molecular sieve type, denominated SSZ-51, is prepared by hydrothermal synthesis from reactive sources of aluminum and...
7026268 Solid acid catalyst containing platinum group metal component and method for preparation thereof  
The present invention provides a concentration distribution for a platinum group metal component in a catalyst with which catalyst activity can be increased, and to provide a method for supporting...
7022784 Synthetic lubricant composition and process  
A liquid polymer suitable for use as a lubricant base oil is produced by polymerizing ethylene and at least one alpha-olefin using a metallocene catalyst to provide a polymer which is then...
6977322 Isomerization catalyst and processes  
A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a tungstated...
6872862 Propylene production  
A method for making propylene from alpha olefins, internal linear olefins and isoolefins wherein the alpha olefins are subjected to a combination of hydrogenation and double bond isomerization to...
6860987 Process for the hydroprocessing of hydrocarbon feedstocks  
The present invention pertains to a process for the hydroprocessing of hydrocarbon feedstocks wherein said hydrocarbon feedstocks are contacted, at hydroprocessing conditions, with a catalyst...
6858769 Lithium aluminate layered catalyst and a selective oxidation process using the catalyst  
A catalyst for the selective oxidation of hydrogen has been developed. It comprises an inert core such as cordierite and an outer layer comprising a lithium aluminate support. The support has...
6841063 Hydrocarbon conversion using zeolite SSZ-53  
The present invention relates to a new crystalline zeolite SSZ-53 prepared by using phenylcycloalkylmethyl ammonium cations as structure directing agents.
6822130 Isomerization catalyst with a specific pore size distribution  
A catalyst composition comprising an alumina carrier, a Group VIII noble metal, and a halogen compound wherein the catalyst composition has total pore volume of more than 0.48 ml/g and wherein at...
6783856 Metal oxyanion coated porous substrates  
Metal oxyanion coated substrates are disclosed comprising a three dimensional inorganic porous substrate having a coating of metal oxyanion on at least a portion of all three dimensions thereof,...
6770770 Phosphites  
Novel phosphites have the formula I P(O—R 1 ) x (O—R 2 ) y (O—R 3 ) z (O—R 4 ) p I where R 1 : aromatic radical having a C 1 -C 18 -alkyl substituent in the o position relative to the...
6686510 Production of high-purity isobutene and propylene from hydrocarbon fractions with four carbon atoms  
A process for production, from an olefinic C 4 fraction, on the one hand, of high-purity isobutene and, on the other hand, of propylene by metathesis is described. The process comprises three...
6679986 Catalytic support with an oxide base from a metal belonging to the SVI group of the periodic table, its preparation and its uses  
A catalytic support includes a substantial quantity of at least one SVI group Periodic Table metal oxide in which is incorporated silica. The mass ratio between the quantity of SVI group metal...
6652738 Process for preparing a mixed metal catalyst composition  
The invention pertains to a process for the hydroprocessing of a hydrocarbon feedstock wherein said feedstock is contacted at hydroprocessing conditions with a catalyst composition which comprises...
6649662 Methods for optimizing fischer-tropsch synthesis of hydrocarbons in the distillate fuel and/or lube base oil ranges  
Methods for converting of syngas to higher molecular weight products using Fischer-Tropsch synthesis, and methods for optimizing the catalyst systems in the synthesis, are disclosed. In one...
6540903 Hydrocarbon conversion with zeolite SSZ-47  
The present invention relates to new crystalline zeolite SSZ-47 prepared using a bicyclo ammonium cation templating agent.
6495732 Olefin isomerization process  
A process for the isomerization of mono-olefins in aliphatic hydrocarbon streams is carried out at 40 to 300° F. under low hydrogen partial pressure in the range of about 0.1 psi to less than 70...
6455595 Methods for optimizing fischer-tropsch synthesis  
Methods for discovering optimum catalyst systems for the conversion of syngas to higher molecular weight products via Fischer-Tropsch synthesis are disclosed. A combinatorial approach is used to...
6379531 Zeolite SSZ-52  
The present invention relates to new crystalline zeolite SSZ-52 prepared using a quaternary ammonium cation templating agent having the structure where X— is an anion which is not detrimental...
6323384 Process for isomerizing linear olefins to isoolefins  
This invention provides a process to convert linear alkenes such as butene-1 and butene-2 to methyl branched chain alkenes such as isobutylene using the hydrogen form of ferrierite. The hydrogen...
6294707 Fluidized bed reactor and process for producing 5-ethylidene-2-norbornene  
The present invention is directed to a continuous process for producing a desired hydrocarbon product using a heterogeneous slurry catalyst, to the product of said process, and to the reactor...
6218591 Zeolite SSZ-36  
The present invention relates to new crystalline zeolite SSZ-36 prepared using a cyclic or polycyclic quaternary ammonium cation templating agent.
6203695 Hydrotreating hydrocarbon feeds  
A process for hydrotreating a hydrocarbon feed, comprising subjecting said feed to hydrotreating conditions in the presence of a catalyst comprising an essentially alumina-based extruded support,...
6184430 Hydrocracking and hydroisomerization of long-chain alkanes and polyolefins over metal-promoted anion-modified transition metal oxides  
A method of cracking a feedstock by contacting the feedstock with a metal-promoted anion-modified metal oxide catalyst in the presence of hydrogen gas. The metal oxide of the catalyst is one or...
6175048 Hydrocarbon conversion catalyst composition and processes therefor and therewith  
A catalyst composition and a process for using of the catalyst composition in a hydrocarbon conversion process are disclosed. The composition comprises an inorganic support, a Group VA metal or...
6137023 Process for the production of high purity isobutene combining reactive distillation with hydroisomerisation and skeletal isomerisation  
The invention relates to a process for producing high purity isobutene from a hydrocarbon cut essentially comprising olefinic hydrocarbons containing 4 carbon atoms per molecule including...
6137019 Process for converting a geminally substituted cyclopentadiene  
6054415 Skeletally isomerized linear olefins  
The present invention relates to synthetic hydrocarbons produced by skeletal isomerization, and the isomerization process. The products are especially useful as the continuous phase of a drilling...
6054630 Apparatus comprising a catalytic distillation zone comprising a reaction zone with distribution of hydrogen  
For the treatment of a feed comprising a major portion of olefinic hydrocarbons containing 4 carbon atoms per molecule, including isobutene, 1-butene and 2-butenes in a ratio which substantially...
6008426 Process for catalytic conversion of olefins  
The conversion of n-olefins, particularly n-butene, by skeletal isomerization, or by dimerization optionally with cracking, may be selectively carried out using as a catalyst a molecular sieve,...
5981820 Isomerization of olefins in the presence of reactive impurities  
A process and catalyst for isomerizing olefins are disclosed. The process and catalyst are particularly useful for isomerizing alkenyl bridged ring compounds to the corresponding alkyladiene...
5965783 Process for isomerizing olefins  
A process for producing a synthetic hydrocarbon product is provided comprising contacting under isomerization conditions an olefin feed comprising linear olefins with a catalyst comprising an...
5958370 Zeolite SSZ-39  
The present invention relates to new crystalline zeolite SSZ-39 prepared using a cyclic or polycyclic quaternary ammonium cation templating agent.
5954948 Hydrocarbon conversion process using a sulfur tolerant catalyst  
Hydrocarbon conversion processes are described which use a sulfur tolerant catalyst system. The catalyst is tolerant to large amounts (about 30,000 ppm sulfur) in the feedstream and comprises a...
5922922 Process for producing an alkylated, non-oxygen-containing aromatic hydrocarbon  
An alkylated aromatic hydrocarbon is produced having the following properties: (a) less than 40 wt. % of the alkylated aromatic hydrocarbon is 2-aryl; and (b) at least 20 wt. % of the alkylated...
5910299 ERS-10 zeolite and process for its preparation  
A porous, crystalline material, designated ERS-10 zeolite, having in its calcined and anhydrous form a molecular composition of oxides corresponding to the formula (I): mM 2 /n O.zX 2 O 3 .YO 2 ...
5902920 Process for the isomerization of olefins  
Silicalite to be used as catalyst in the isomerization of olefins is pretreated by passing steam thereon at a temperature of 300 to 750° C. Particularly, isobutene is selectively produced by...
5898091 Process and plant for the conversion of olefinic C.sub.4 and C.sub.5 cuts to an ether and to propylene  
For the conversion of an olefinic C 4 or C 5 cut to an alkyl-tertiobutylether or alkyl-tertioamylether and to propylene, by metathesis, the process comprises four successive steps: (1) selective...
5874661 Hydrocarbon treatment  
The average degree of branching of a branched olefin feedstock is reduced by skeletal isomerization in contact with a molecular sieve.
5866746 Catalytic dehydroisomerization of C.sub.4 -C.sub.5 n-paraffins  
The present invention concerns, in the dehydroisomerization of at least one C 4 -C 5 n-paraffin, preferably n-butane, the use of a catalyst comprising a refractory oxide based support, preferably...
Matches 1 - 50 out of 225 1 2 3 4 5 >