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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Timken; Hye-Kyung C.
Address:
Albany, CA
No. of patents:
26
Patents:












Patent Number Title Of Patent Date Issued
8586812 Ionic liquid catalyzed olefin oligomerization for distillate production November 19, 2013
Processes for upgrading condensate in a first hydrocarbon stream to provide distillate material may involve ionic liquid catalyzed olefin oligomerization of olefins in the first hydrocarbon stream to provide a first distillate enriched stream, dechlorination of the first distillate e
8247628 Process for reacting iso-alkane August 21, 2012
A process for reacting an iso-alkane, comprising: a) partially converting one or more olefins in an olefinic feedstock with an ionic liquid catalyst to make a converted olefinic feedstock; and b) alkylating the iso-alkane with the converted olefinic feedstock, wherein a reaction he
8222471 Process for making a high viscosity base oil with an improved viscosity index July 17, 2012
We provide a process, comprising oligomerizing one or more olefins having a boiling point less than 82.degree. C. in a presence of an ionic liquid catalyst and one or more C5+ alpha olefins in a reactor to produce a base oil having a kinematic viscosity at 100.degree. C. of 36 mm.sup.2/s
7988747 Production of low sulphur alkylate gasoline fuel August 2, 2011
A method for producing a low sulphur containing fuel from a hydrocarbon feed having from 10 to 80 ppm of sulphur is disclosed. The method comprises contacting a hydrocarbon stream comprising at least one olefin having from 2 to 6 carbon atoms and at least one paraffin having from 4 t
7956230 Reduction of organic halide contamination in hydrocarbon products June 7, 2011
A method for reducing halide concentration in a hydrocarbon product made by a hydrocarbon conversion process using an ionic liquid catalyst comprising a halogen-containing an acidic ionic liquid comprising: (i) separating at least a portion of the hydrocarbon product from the ionic l
7955498 Reduction of organic halide contamination in hydrocarbon products June 7, 2011
A method for reducing halide concentration in a hydrocarbon product having an organic halide content which is made by a hydrocarbon conversion process using a halogen-containing acidic ionic liquid catalyst comprising contacting at least a portion of the hydrocarbon product with an a
7915468 Isomerization of butene in the ionic liquid-catalyzed alkylation of light isoparaffins and olefi March 29, 2011
A process for producing alkylate comprising contacting a first hydrocarbon stream comprising at least one olefin having from 2 to 6 carbon atoms which contains 1-butene with an isomerization catalyst under conditions favoring the isomerization of 1-butene to 2-butene so the isomerized
7803267 Gasoline sulfur reduction in fluid catalytic cracking September 28, 2010
The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a porous molecular sieve which contains a metal in an oxidation state above zero within the i
7754636 Removal of excess metal halides from regenerated ionic liquid catalysts July 13, 2010
A process for removing metal halides from regenerated ionic liquid catalyst comprising interacting a regenerated ammonium-based metal-halide ionic liquid catalyst or an ammonium-based metal-halide ionic liquid catalyst undergoing regeneration with either the parent ammonium halide sa
7674739 Regeneration of ionic liquid catalyst using a metal in the absence of added hydrogen March 9, 2010
A process for regenerating a used acidic ionic liquid catalyst comprising contacting the used ionic liquid catalyst with at least one metal in a regeneration zone in the absence of added hydrogen under regeneration conditions for a time sufficient to increase the activity of the ionic
7594992 Highly homogeneous amorphous silica-alumina catalyst composition September 29, 2009
Silica-alumina catalyst compositions and to a process for converting hydrocarbonaceous feed using the catalyst are disclosed. The present invention relates to a highly homogeneous, amorphous silica-alumina cogel material, the attributes of which make it especially useful for the Hydr
7531707 Alkylation process using an alkyl halide promoted ionic liquid catalyst May 12, 2009
A process for the production of a high quality gasoline blending components from refinery process streams by the alkylation of light isoparaffins with olefins using an ionic liquid catalyst is disclosed. The alkylation process comprises contacting a hydrocarbon mixture comprising at
7485763 Using a catalyst having two different zeolites for transalkylation of a C9+ aromatic feed February 3, 2009
In a process for converting C.sub.9+ aromatic hydrocarbons to lighter aromatic products a feed comprising C.sub.9+ aromatic hydrocarbons is contacted under transalkylation reaction conditions with a catalyst composition comprising (i) a first molecular sieve selected from the group c
7432409 Alkylation process using chloroaluminate ionic liquid catalysts October 7, 2008
A process for the production of a high quality gasoline blending components from refinery process streams by the alkylation of light isoparaffins with olefins using an ionic liquid catalyst is disclosed. The process includes reacting a refinery stream containing isopentane and/or iso
7432408 Integrated alkylation process using ionic liquid catalysts October 7, 2008
An integrated refining process for the production of high quality gasoline blending components from low value components is disclosed. In addition there is disclosed a method of improving the operating efficiency of a refinery by reducing fuel gas production and simultaneously producing
7348293 Homogeneous modified-alumina Fischer-Tropsch catalyst supports March 25, 2008
A homogeneous, amorphous catalyst support comprising a modifying-metal-oxide and a base-metal oxide, the catalyst support having a Surface to Bulk modifying-metal/base-metal atomic ratio of from about 0.6 to about 1.3 and exhibiting an X-ray diffraction having broader line width and
7173160 Processes for concentrating higher diamondoids February 6, 2007
Hydroprocessing such as hydrocracking is advantageously employed in processes for the recovery and purification of higher diamondoids from petroleum feedstocks. Hydrocracking and other hydroprocesses degrade nondiamondoid contaminants.
7148391 Heavy aromatics processing December 12, 2006
In a process for converting C.sub.9+ aromatic hydrocarbons to lighter aromatic products a feed comprising C.sub.9+ aromatic hydrocarbons is contacted under transalkylation reaction conditions with a catalyst composition comprising (i) a first molecular sieve selected from the group c
6995112 Highly homogeneous amorphous silica-alumina catalyst composition February 7, 2006
Silica-alumina catalyst compositions and to a process for converting hydrocarbonaceous feed using the catalyst are disclosed. The present invention relates to a highly homogeneous, amorphous silica-alumina cogel material, the attributes of which make it especially useful for the Hydr
6974787 Gasoline sulfur reduction in fluid catalytic cracking December 13, 2005
The sulfur content of liquid cracking products, especially the cracked gasoline, of the catalytic cracking process is reduced by the use of a sulfur reduction catalyst composition comprising a porous molecular sieve which contains a metal in an oxidation state above zero within the i
6902664 Extremely low acidity USY and homogeneous, amorphous silica-alumina hydrocracking catalyst and p June 7, 2005
A catalyst composition comprising a minor amount of a low acidity, highly dealuminated ultra stable Y zeolite having an Alpha value of less than about 5, preferable less than about 3 and Broensted acidity measured by FT-IR from about 1 to about 20, preferably from about 1-10, micro mole/
6872685 Method for preparing a highly homogeneous amorphous silica-alumina composition March 29, 2005
Improved silica-alumina catalyst compositions are methods for preparing such catalyst compositions are disclosed. The present invention relates to a method for preparing a highly homogeneous, amorphous silica-alumina cogel catalyst. Silica-alumina according to the present invention may b
6860986 Extremely low acidity ultrastable Y zeolite catalyst composition and process March 1, 2005
A catalyst composition comprising a low acidity, highly dealuminated ultra stable Y zeolite having an Alpha value of less than about 3 and Broensted acidity measured by FT-IR from about 1 to about 20, preferably from about 1-10, micro mole/g of, an amorphous cracking component and a cata
6747182 Production of alkylated aromatic compounds using dealuminated catalysts June 8, 2004
A process for preparing alkyl substituted aromatic compounds by alkylating an aromatic compound with an alkylating agent in the presence of a porous crystalline zeolite in which the zeolite has been selectively deluminated to remove nonframework aluminum.
6596662 Production of alkylated aromatic compounds using dealuminated catalysts July 22, 2003
A catalyst composition is disclosed comprising a zeolite having a non-framework aluminum content of about less than 25 percent of the total aluminum content, a bulk silica:alumina ratio of about 6.5 to about 10.0 and a unit cell size ranging from about 2.440 to about 2.464 nm.
6548709 Method for the production of arylsulfides and compositions made therefrom April 15, 2003
The present invention relates to methods for production of arylsulfides wherein an aromatic compound is reacted with elemental sulfur in the presence of solid acid catalyst. The solid acid catalyst can be a zeolite. The methods are useful for producing alkylated diphenylsulfides from










 
 
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