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Class 585/671 - By skeletal isomerization


Subclass of Class 585 - Chemistry of hydrocarbon compounds
Definition: Subject matter wherein a monoolefin hydrocarbon undergoes
No. of patents: 214
Last issue date: 08/19/2008


1            
NumberTitleIssue Date
7414161Process 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 skeletally isomerising linear olefins in the isomerisation feed and in a s...
08/19/2008
7335802Methods of preparing branched aliphatic alcohols
Systems and methods to produced branched aliphatic alcohols are described. Systems may include a dehydrogenation-isomerization unit, an olefin dimerization unit, an olefin isomerization unit, a hydroformylation unit, a dehydrogenation unit, a hydrogenation unit and/...
02/26/2008
7332637Isomerization 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to a feed mixture including olefins in a reaction zone, and an effluent including an isomerized olefin product is withdrawn f...
02/19/2008
7314964Catalytic naphtha cracking catalyst and process
A process is disclosed for enhancing the production of light olefins using a catalyst with small pores. The catalyst comprises a molecular sieve having 10 membered rings with channels of limited length. The molecular sieve has a high silica to alumina ratio and has ...
01/01/2008
7288181Producing low sulfur naphtha products through improved olefin isomerization
The instant invention relates to a process to produce high octane, low sulfur naphtha products through the removal of basic nitrogen-containing compounds with subsequent skeletal isomerization of feed olefins and hydrotreating. ...
10/30/2007
7288411Process for simultaneously evaluating a plurality of catalysts
A process for simultaneously testing a plurality of catalysts using combinatorial chemistry has been developed. The process involves containing the plurality of catalysts in an array of parallel reactors with each reactor containing a bed of catalyst. Each bed of ca...
10/30/2007
7285188Oxynitride compounds, methods of preparation, and uses thereof
Embodiments of the present disclosure provide for methods of transforming from one crystal structure to another crystal structure in TiO2 nanocolloids and TiO2-xNx nanocolloids. ...
10/23/2007
7262153Method and composition for enhanced hydrocarbons recovery
A method of treating a hydrocarbon containing formation is described. The method may include providing a hydrocarbon recovery composition to the hydrocarbon containing formation. Hydrocarbons in the hydrocarbon containing formation may interact with the hydrocarbon ...
08/28/2007
7256152Composition 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 organic cation and A− represents an an...
08/14/2007
7256044Elevated pressure apparatus and method for generating a plurality of isolated effluents
An apparatus and a method for rapidly generating a plurality of isolated effluents have been developed. A specific embodiment involves screening a plurality of solids through simultaneously contacting the members of the plurality with a fluid, sampling the resulting...
08/14/2007
7238844Olefin oligomerization
This invention is to a method of oligomerizing an olefin feed stream. The olefin feed stream contains at least one C2 to C12 olefin to obtain an olefin feed stream and has less than 1,000 ppm by weight oxygenated hydrocarbon. The olefin is olig...
07/03/2007
7232516Desulfurization with octane enhancement
A desulfurization system employing a system of fluidizable and circulatable solid particles to desulfurize a hydrocarbon-containing fluid in a fluidized bed reactor. The solid particulate system includes solid sorbent particles operable to remove sulfur from the hyd...
06/19/2007
7229950Method and composition for enhanced hydrocarbons recovery
A method of treating a hydrocarbon containing formation is described. The method may include providing a hydrocarbon recovery composition to the hydrocarbon containing formation. Hydrocarbons in the hydrocarbon containing formation may interact with the hydrocarbon ...
06/12/2007
7186392Oxynitride compounds, methods of preparation, and uses thereof
Oxynitride nanoparticles, methods of preparation thereof, and methods of use thereof are disclosed. One representative oxynitride nanoparticle includes a MxOyNz nanoparticle, where x is in the range of about 1 to 3, y is in the range...
03/06/2007
7183450Olefin oligomerization
This invention is to a method of oligomerizing an olefin feed stream. The olefin feed stream contains at least one C2 to C12 olefin to obtain an olefin feed stream and has from about 1,000 ppm to about 10 percent by weight oxygenated hydrocarbo...
02/27/2007
7160438Process for removal of nitrogen containing contaminants from gas oil feedstreams
The present invention is directed to the removal of nitrogen and sulfur containing impurities from high molecular weight petroleum feedstock obtained from fluid cracking catalyst or distillation zone of a petroleum treatment plant. The present process comprises firs...
01/09/2007
7157613Process 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 skeletally isomerising linear olefins in the isomerisation feed and in a...
01/02/2007
7156980Catalytic 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 system of the present invention can be used for the hydrotreating of hyd...
01/02/2007
7151199Hydrocarbon 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 catalyst. The halogen may be removed by one of several methods. One m...
12/19/2006
7141217Elevated pressure apparatus and method for generating a plurality of isolated effluents
An apparatus and a method for rapidly generating a plurality of isolated effluents have been developed. A specific embodiment involves screening a plurality of solids through simultaneously contacting the members of the plurality with a fluid, sampling the resulting...
11/28/2006
7141705Etherification process
A process for the etherification of C4, C5 and/or C6 tertiary olefins in a hydrocarbon feed with at least one C1 to C6 alcohol, preferably C1–C4 alcohols in a distillation column reactor,...
11/28/2006
7137447Method and composition for enhanced hydrocarbons recovery
A method of treating a hydrocarbon containing formation is described. The method may include providing a hydrocarbon recovery composition to the hydrocarbon containing formation. Hydrocarbons in the hydrocarbon containing formation may interact with the hydrocarbon ...
11/21/2006
7129092Apparatus and method for generating a plurality of isolated effluents
An apparatus and a method for rapidly generating a plurality of isolated effluents have been developed. A specific embodiment involves screening a plurality of solids through simultaneously contacting the members of the plurality with a fluid, simultaneously samplin...
10/31/2006
7125821Low metal content catalyst compositions and processes for making and using same
The invention provides low metal content molecular sieve catalyst compositions, processes for making such catalysts, and processes for using such catalysts in the conversion of an oxygenate into one or more light olefins. Preferably, the catalyst composition compris...
10/24/2006
7115198Hydrocarbon 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 phosphorus, fluorine and an organic templating agent, 4-dimethylaminopyridin...
10/03/2006
7087156Process for removal of nitrogen containing contaminants from gas oil feedstreams
The present invention is directed to the removal of nitrogen and sulfur containing impurities from high molecular weight petroleum feedstock obtained from fluid cracking catalyst or distillation zone of a petroleum treatment plant. The present process comprises firs...
08/08/2006
7078579Process 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 an acidic form, which molecular sieve comprises pores which have a p...
07/18/2006
7074976Propylene 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 form additional internal linear olefins, the internal linear olefins a...
07/11/2006
7071139Oxynitride compounds, methods of preparation, and uses thereof
Oxynitride nanoparticles, methods of preparation thereof, and methods of use thereof are disclosed. One representative oxynitride nanoparticle includes a MxOyNz nanoparticle, where x is in the range of about 1 to 3, y is in the range...
07/04/2006
7071520MEMS with flexible portions made of novel materials
MEMS devices are provided that are capable of movement due to a flexible portion formed of unique materials for this purpose. The MEMS device can have a flexible portion formed of a nitride or oxynitride of at least one transition metal, and formed of a nitride or o...
07/04/2006
7070999Apparatus and method for generating a plurality of isolated effluents
An apparatus and a method for rapidly generating and processing a plurality of isolated effluents have been developed. A specific embodiment involves screening a plurality of solids through simultaneously contacting the members of the plurality with a fluid, sequent...
07/04/2006
7057246Transition metal dielectric alloy materials for MEMS
Micromechanical devices are provided that are capable of movement due to a flexible portion. The micromechanical device can have a flexible portion formed of a nitride of preferably an element from groups 3A to 6A of the periodic table (preferably from the first two...
06/06/2006
7055602Method and composition for enhanced hydrocarbons recovery
A method of treating a hydrocarbon containing formation is described. The method may include providing a hydrocarbon recovery composition to the hydrocarbon containing formation. Hydrocarbons in the hydrocarbon containing formation may interact with the hydrocarbon ...
06/06/2006
7057083Catalyst pretreatment with C4-C7 olefins in an oxygenate to olefins reaction system
This invention relates to processes for converting oxygenates to olefins that include a step of pretreating molecular sieve used in the conversion reaction with a C4–C7 olefin composition, which contains one or more C4–C7
06/06/2006
7041865Process 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 the isomerization catalyst one or more components of the feed are pret...
05/09/2006
7026268Solid 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 a platinum group metal with which this concentration distribution can...
04/11/2006
7022784Synthetic 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 isomerized and hydrogenated to produce the liquid polymer. ...
04/04/2006
7022637Selective methylation catalyst, method of catalyst manufacture and methylation process
Novel catalysts and processes in accordance with the invention can accomplish high selectivity and conversion of naphthalenic compounds such as the conversion of methylnaphthalene (2-MN) or naphthalene to 2,6-dimethylnaphthalene (2,6-DMN). The catalysts are prepared...
04/04/2006
6977318Propylene production
A method for forming propylene wherein ethylene is employed as a primary feed material in a combination of steps comprising dehydration, skeletal isomerization, and metathesis to form a versatile product mix that can contain one or more of propylene, gasoline, MTBE,...
12/20/2005
6977322Isomerization 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 oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component ...
12/20/2005
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