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7576251 Process for the double bond hydroisomerization of butenes  
A process is disclosed for the preferential conversion to 2-butene of a stream containing C4 compounds including 1-butene and 2-butene. The process involves mixing the C4 stream with a first...
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...
7405339 Catalyst composition comprising a heteropoly acid, zinc, and a support component and processes therefor and therewith  
A process of contacting at least one isoparaffin and at least one C 5 olefin in the presence of a catalyst composition under conversion conditions to provide for converting the at least one...
7390395 Hydrocarbon conversion using molecular sieve SSZ-56  
The present invention relates to new crystalline molecular sieve SSZ-56 prepared using a N,N-diethyl-2-methyldecahydroquinolinium cation as a structure directing agent, methods for synthesizing...
7355087 Production of 1-alkenes from mixed olefin streams using catalytic distillation  
A catalytic distillation process for isomerizing and separating 1-alkenes from a mixed alkene stream. The process comprises contacting a mixed alkene stream comprising the 1-alkene and homologs...
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,...
7329788 Process for producing gasoline components  
Process for producing gasoline components. The process comprises feeding a fresh olefinic hydrocarbon feedstock to a reaction zone, in which its structure is first isomerized. The isomerized...
7326817 Process for reducing the toxicity of hydrocarbons  
This invention relates to a method for reducing the toxicity of a mixture of hydrocarbons by means of fractional distillation, a distillate having a reduced toxicity and a composition including the...
7271308 Process for isomerization of alpha olefins to internal olefins  
The present invention relates to embodiments for a process for the isomerization of at least one alpha olefin to an internal olefin via a multi-step process resulting in a mixture comprising alkene...
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...
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...
7132582 Catalytic process for the preparation of isolongifolene  
The present invention relates to a catalytic process for preparation of isolongifolene using nanocrystalline solid super acid. This process is an eco-friendly, single step, solvent free catalytic...
7078579 Process for the isomerization of a vinylidene olefin  
A process for the double bond isomerization of a vinylidene olefin, comprising contacting a feed comprising the vinylidene olefin with an isomerization catalyst which comprises a molecular sieve in...
7041865 Process for the isomerization of an olefin  
A process for the double bond isomerization of an olefin, which process comprises contacting a feed comprising the olefin with an isomerization catalyst, wherein prior to contacting the feed with...
6875901 Olefin isomerization process  
An olefin isomerization process employs a basic metal oxide catalyst, such as magnesium oxide, which retains at least about 85 percent of its initial activity for at least about 168 hours of...
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...
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...
6852901 Process to isomerize 1-butene to 2-butene  
A process is provided to produce a 2-alkene product from a 1-alkene-containing feed stream. The process comprises contacting the 1-alkene-containing feed stream in a reactor zone to isomerize the...
6841713 Process for preparing bicylo[2.2.1] heptane derivatives  
The invention relates to economical and efficient methods for producing 2-methylene-3-methylbicyclo[2,2,1]heptane, 2,3-dimethylbicyclo[2.2.1]hept-2-ene and the like that are useful for materials of...
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...
6781022 Polyvalent bifunctional catalyst and the process of realization of such a catalyst  
The objective of the present invention is a polyvalent bifunctional catalyst and the process of its realization. A catalyst characterized by the fact that it contains, over a TiO 2 support, an...
6768038 Alpha olefin production  
A method for making alpha olefins from internal olefins using catalytic distillation techniques and an olefin double bond isomerization catalyst, and separately recovering said alpha olefins.
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...
6593505 Catalyst of mixed fluorosulfonic acids  
A catalyst comprising A) a stationary acid component selected from the group consisting of a perfluorinated ion exchange polymer on an inert support, a silane modified perfluorosulfonic acid, and a...
6566569 Conversion of refinery C5 paraffins into C4 and C6 paraffins  
A process for preparing a C 4- product stream and a C 6 + product stream is disclosed. The process involves contacting a C 5 containing paraffinic feedstock with a catalyst that includes a...
6518469 Process for improved yields of higher molecular weight olefins from lower molecular weight olefins  
A process for improved yields of heavier olefins from a substantially narrow range of lighter hydrocarbon feed stock containing olefins in a reaction distillation column comprising feeding a narrow...
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...
6420619 Cracked gas processing and conversion for propylene production  
The C 3 to C 6 cut from a cracking process containing propylene, butane, 1-butene, 2-butene and acetylenic and diene components including butadiene are preferentially converted to propylene. The...
6407302 Isomerization process of a mixture containing vinyl and vinylidene olefins  
A method for the isomerization of a mixture of vinyl and vinylidene olefins having 10 to 35 carbons atoms to form a mixture comprising both di- and tri-substituted internal olefins including deep...
6395945 Integrated hydroisomerization alkylation process  
A novel integrated olefin processing scheme is provided where olefins and paraffins are processed to produce high octane gasoline blending components. The integrated process involves the processing...
6388160 Method for producing of 2,3-dimethylbutene-1 and 2,3-dimethylbutene-2  
There is disclosed a method for producing 2,3-dimethylbutene-1 and 2,3-dimethylbutene-2, which is characterized by the steps of (a) dimerizing propylene in a propylene-dimerization step using a...
6331573 Increased liquid sensitivity during fischer-tropsch synthesis by olefin incorporation  
An integrated process for producing liquid fuels from syngas via a two-stage Fischer-Tropsch reaction is disclosed. The first stage of the Fischer-Tropsch chemistry is performed using conditions in...
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...
6242661 Process for the separation of isobutene from normal butenes  
A process for the separation of isobutene, otherwise inseparable from butene-1 by fractionation, in high purity from butenes contained in a mixed hydrocarbon stream containing butene-1, butene-2...
6242662 Process for obtaining butene-1  
For obtaining butene-1 from butene-2, a charge containing at least one of the isomers of butene-2 is introduced into a distillation zone linked to a hydro-isomerization zone. Part of the effluent...
6215036 Method for producing high purity isobutylene from a butane plus fraction containing isobutylene and butylene-1  
A process for processing a feedstock comprising a major amount of olefinic hydrocarbons having 4 carbon atoms per molecule, including isobutene as well as but-1-ene and but-2-enes, wherein the...
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...
6054629 Method of isomerizing alpha-olefins to linear internal olefins with minimal skeletal isomerization using nickel supported on silica/alumina catalysts  
The present invention relates to a method of using nickel alumina catalyst to isomerize linear alpha olefins substantially completely to linear internal olefins with no significant increase in...
5990368 Isomerization of allenes to alkynes with an alkaline-earth metal hydride containing catalyst  
Providing an isomerization process which can isomerize allenes to alkynes less expensively and stably is an assignment to be solved by the present invention and given thereto. The present invention...
5990369 Process for producing light olefins  
The present invention relates to a process for the production of light olefins comprising olefins having from 2 to 4 carbon atoms per molecule from an oxygenate feedstock. The process comprises...
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...
5969205 Process for preparing C.sub.4 --C.sub.6 --alkenes having an internal double bond comprising recycling a portion of a product stream  
C 4 -C 6 -alkenes having an internal double bond can be produced by hydroisomerization of C 4 -C 6 -alkenes having a terminal double bond in the presence of H 2 on a catalyst having a content...
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...
5955640 Integrated process for the production of butene-1  
Integrated process for the production of butene-1 which comprises feeding a C 4 hydrocarbon stream to a separation unit of butene-1 and recycling the remaining stream to the same unit after...
5948948 Paraffin isomerisation process using reactive distillation  
The invention concerns a process for isomerising a feed containing essentially hydrocarbons, preferably paraffins preferably containing 5 and/or 6 carbon atoms per molecule, in which said feed is...
5948946 Use of sol-gel derived porous microposite of perfluorinated ion-exchange polymer and metal oxide to isomerize terminal olefins  
Porous microcomposites have been prepared from perfluorinated ion-exchange polymer and metal oxides such as silica using a sol-gel process. Such microcomposites possess high surface area and...
5910618 Process for preparing 2,3-dimethyl-2-butene  
2,3-Dimethyl-2-butene is prepared by isomerizing 2,3-dimethyl-1-butene using at least one acid selected from the group consisting of sulfuric acid and sulfonic acids. By this process,...
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...
5877379 Olefin conversion process involving coke suppressor impregnated catalyst  
A composition and an olefin conversion process are disclosed. The composition comprises a zeolite having incorporated therein a coke-suppressing amount of a coke suppressor selected from the group...
Matches 1 - 50 out of 173 1 2 3 4 >