Patents by Inventor Andrew Rainis
Andrew Rainis has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20190105640Abstract: A second-stage hydrocracking catalyst is provided, comprising: a) a zeolite beta having an OD acidity of 20 to 400 ?mol/g and an average domain size from 800 to 1500 nm2; b) a zeolite USY having an ASDI between 0.05 and 0.12; c) a catalyst support; and d) 0.1 to 10 wt % noble metal; wherein the second-stage hydrocracking catalyst provides a hydrogen consumption less than 350 SCFB across a range of synthetic conversions up to 37 wt % when used to hydrocrack hydrocarbonaceous feeds having an initial boiling point greater than 380° F. (193° C.). A second-stage hydrocracking process using the second-stage hydrocracking process is provided. A method to make the second-stage hydrocracking catalyst is also provided.Type: ApplicationFiled: December 5, 2018Publication date: April 11, 2019Inventors: Jifei Jia, Andrew Rainis, Theodorus Ludovicus Michael Maesen, Richard Joseph Coser, Yihua Zhang, Thomas Michael Rea
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Patent number: 10213772Abstract: A hydrocracking catalyst is provided comprising: a) greater than 10 wt % of a zeolite USY having: i. a total OD acidity of 0.350 to 0.650 mmol/g; ii. an ASDI between 0.05 and 0.15; iii. a BET surface area greater than 600 m2/g; iv. a SAR greater than 10; v. less than 45 vol % of pores greater than 2 nm; b) a support; and c) at least one metal selected from the group consisting of elements from Group 6 and Groups 8 through 10 of the Periodic Table. A process for hydrocracking using a hydrocracking catalyst to produce middle distillates is provided. A method for making a hydrocracking catalyst is also provided.Type: GrantFiled: April 10, 2015Date of Patent: February 26, 2019Assignee: Chevron U.S.A. Inc.Inventors: Yihua Zhang, Theodorus Ludovicus Michael Maesen, Andrew Rainis, Bao Quoc Le
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Patent number: 10183282Abstract: A second-stage hydrocracking catalyst is provided comprising: a. from 40 wt % to 70 wt % of a zeolite USY having an ASDI from 0.05 to 0.18; b. an amorphous silica alumina; c. a second alumina; and d. 0.1 to 10 wt % noble metal; wherein the second-stage hydrocracking catalyst has a BET surface area from 450 to 650 m2/g. A second-stage hydrocracking process is provided comprising using the second-stage hydrocracking catalyst to produce middle distillate. A method for making the second-stage hydrocracking catalyst is also provided.Type: GrantFiled: January 22, 2015Date of Patent: January 22, 2019Assignee: Chevron U.S.A. Inc.Inventors: Jifei Jia, Andrew Rainis, Theodorus Ludovicus Michael Maesen, Richard Coser, Yihua Zhang
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Patent number: 10183286Abstract: A second-stage hydrocracking catalyst is provided, comprising: a) a zeolite beta having an OD acidity of 20 to 400 ?mol/g and an average domain size from 800 to 1500 nm2; b) a zeolite USY having an ASDI between 0.05 and 0.12; c) a catalyst support; and d) 0.1 to 10 wt % noble metal; wherein the second-stage hydrocracking catalyst provides a hydrogen consumption less than 350 SCFB across a range of synthetic conversions up to 37 wt % when used to hydrocrack hydrocarbonaceous feeds having an initial boiling point greater than 380° F. (193° C.). A second-stage hydrocracking process using the second-stage hydrocracking process is provided. A method to make the second-stage hydrocracking catalyst is also provided.Type: GrantFiled: August 11, 2015Date of Patent: January 22, 2019Assignee: Chevron U.S.A. Inc.Inventors: Jifei Jia, Andrew Rainis, Theodorus Luvidocus Michael Maesen, Richard Joseph Coser, Yihua Zhang, Thomas Michael Rea
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Publication number: 20170043330Abstract: A second-stage hydrocracking catalyst is provided, comprising: a) a zeolite beta having an OD acidity of 20 to 400 nmol/g and an average domain size from 800 to 1500 nm2; b) a zeolite USY having an ASDI between 0.05 and 0.12; c) a catalyst support; and d) 0.1 to 10 wt % noble metal; wherein the second-stage hydrocracking catalyst provides a hydrogen consumption less than 350 SCFB across a range of synthetic conversions up to 37 wt % when used to hydrocrack hydrocarbonaceous feeds having an initial boiling point greater than 380° F. (193° C.). A second-stage hydrocracking process using the second-stage hydrocracking process is provided. A method to make the second-stage hydrocracking catalyst is also provided.Type: ApplicationFiled: August 11, 2015Publication date: February 16, 2017Applicant: Chevron U.S.A. Inc.Inventors: Jifei Jia, Andrew Rainis, Theodorus Luvidocus Michael Maesen, Richard Joseph Coser, Yihua Zhang, Thomas Michael Rea
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Publication number: 20160296922Abstract: A hydrocracking catalyst is provided comprising: a) greater than 10 wt % of a zeolite USY having: i. a total OD acidity of 0.350 to 0.650 mmol/g; ii. an ASDI between 0.05 and 0.15; iii. a BET surface area greater than 600 m2/g; iv. a SAR greater than 10; v. less than 45 vol % of pores greater than 2 nm; b) a support; and c) at least one metal selected from the group consisting of elements from Group 6 and Groups 8 through 10 of the Periodic Table. A process for hydrocracking using a hydrocracking catalyst to produce middle distillates is provided. A method for making a hydrocracking catalyst is also provided.Type: ApplicationFiled: April 10, 2015Publication date: October 13, 2016Applicant: Chevron U.S.A Inc.Inventors: Yihua Zhang, Theodorus Ludovicus Michael Maesen, Andrew Rainis, Bao Quoc Le
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Publication number: 20160214094Abstract: A second-stage hydrocracking catalyst is provided comprising: a. from 40 wt % to 70 wt % of a zeolite USY having an ASDI from 0.05 to 0.18; b. an amorphous silica alumina; c. a second alumina; and d. 0.1 to 10 wt % noble metal; wherein the second-stage hydrocracking catalyst has a BET surface area from 450 to 650 m2/g. A second-stage hydrocracking process is provided comprising using the second-stage hydrocracking catalyst to produce middle distillate. A method for making the second-stage hydrocracking catalyst is also provided.Type: ApplicationFiled: January 22, 2015Publication date: July 28, 2016Applicant: Chevron U.S.A. Inc.Inventors: Jifei Jia, Andrew Rainis, Theodorus Ludovicus Michael Maesen, Richard Coser, Yihua Zhang
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Patent number: 9187702Abstract: The present invention is directed to a hydroprocessing catalyst containing at least one catalyst support, one or more metals, optionally one or more molecular sieves, optionally one or more promoters, wherein deposition of at least one of the metals is achieved in the presence of a modifying agent.Type: GrantFiled: July 1, 2009Date of Patent: November 17, 2015Assignee: CHEVRON U.S.A. INC.Inventors: Bi-Zeng Zhan, Theodorus Maesen, Janine Lichtenberger, Andrew Rainis, Hye-Kyung Timken
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Patent number: 8431014Abstract: The invention provides for a process for dewaxing a waxy hydrocarbon feedstock to form a lubricant oil. The invention is also directed to a catalyst system comprising a hydrotreating catalyst upstream of a dewaxing catalyst, used in the dewaxing of a waxy hydrocarbon feedstock to form a lubricant oil. In particular, the invention is directed to a process and catalyst system designed to maintain yield of lubricant oil product. Specifically, the yield of lubricant oil does not decrease more than 2%, at a target pour point, over a dewaxing temperature range. The hydrotreating catalyst helps prevent aging of the dewaxing catalyst and maintains lubricant oil product yield at a target pour point over a wide temperature range. The hydrotreating catalyst comprises platinum, palladium, or combinations thereof on a low acidity inorganic oxide support where acidity is measured by a decalin conversion of less than 10% at 700° F.Type: GrantFiled: October 6, 2009Date of Patent: April 30, 2013Assignee: Chevron U.S.A. Inc.Inventors: Kamala R. Krishna, James N. Ziemer, Andrew Rainis, Joseph A. Biscardi, Thomas V. Harris
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Patent number: 8173570Abstract: A catalyst precursor composition and methods for making such catalyst precursor are disclosed. The catalyst precursor comprises at least a Promoter metal selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, at least one Group VIB metal, at least one organic, oxygen-containing ligand, and a cellulose-containing material. Catalysts prepared from the sulfidation of such catalyst precursors are used in the hydroprocessing of hydrocarbon feeds. In one embodiment, the sulfidation is carried out by contacting the catalyst precursor with hydrogen and a sulfur containing compound, wherein the contacting is carried out ex-situ. Catalysts prepared from such catalyst precursors have a fouling rate of less than 8° F. (4.4° C.) per 1000 hour.Type: GrantFiled: October 28, 2008Date of Patent: May 8, 2012Assignee: Chevron U.S.A. Inc.Inventors: Theodorus Ludovicus Michael Maesen, Alexander E. Kuperman, Bi-Zeng Zhang, Andrew Rainis, Christopher J. Dillon
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Patent number: 8163169Abstract: A catalyst precursor composition and methods for making such a catalyst precursor are disclosed. The catalyst precursor comprises at least a promoter metal selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, having an oxidation state of +2 or +4, at least one Group VIB metal, at least one organic, oxygen-containing ligand, and a cellulose-containing material. In one embodiment, the catalyst precursor is of the formula Av[(MP) (OH)x (L)ny]z (MVIBO4), wherein A is one or more monovalent cationic species, MP is selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, L is one or more oxygen-containing ligands, MVIB is at least a Group VIB metal, MP:MVIB has an atomic ratio between 100:1 and 1:100. In one embodiment, catalysts prepared from the sulfidation of such catalyst precursors are used in the hydroprocessing of hydrocarbon feeds. In a hydroconversion process at a hydrogen partial pressure of ˜450 psig, the catalyst a 700° F.Type: GrantFiled: October 28, 2008Date of Patent: April 24, 2012Assignee: Chevron U.S.A. Inc.Inventors: Theodorus Ludovicus Michael Maesen, Alexander E. Kuperman, Bi-Zeng Zhang, Andrew Rainis
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Novel process and catalyst system for improving dewaxing catalyst stability and lubricant oil yield.
Publication number: 20110079540Abstract: The invention provides for a process for dewaxing a waxy hydrocarbon feedstock to form a lubricant oil. The invention is also directed to a catalyst system comprising a hydrotreating catalyst upstream of a dewaxing catalyst, used in the dewaxing of a waxy hydrocarbon feedstock to form a lubricant oil. In particular, the invention is directed to a process and catalyst system designed to maintain yield of lubricant oil product. Specifically, the yield of lubricant oil does not decrease more than 2%, at a target pour point, over a dewaxing temperature range. The hydrotreating catalyst helps prevent aging of the dewaxing catalyst and maintains lubricant oil product yield at a target pour point over a wide temperature range. The hydrotreating catalyst comprises platinum, palladium, or combinations thereof on a low acidity inorganic oxide support where acidity is measured by a decalin conversion of less than 10% at 700° F.Type: ApplicationFiled: October 6, 2009Publication date: April 7, 2011Inventors: Kamala R. Krishna, James N. Ziemer, Andrew Rainis, Joseph A. Biscardi, Thomas V. Harris -
Publication number: 20110000824Abstract: The present invention is directed to a hydroprocessing catalyst containing at least one catalyst support, one or more metals, optionally one or more molecular sieves, optionally one or more promoters, wherein deposition of at least one of the metals is achieved in the presence of a modifying agent.Type: ApplicationFiled: July 1, 2009Publication date: January 6, 2011Inventors: Bi-Zeng Zhan, Theodorus Maesen, Janine Lichtenberger, Andrew Rainis, Hye-Kyung Timken
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Publication number: 20090107886Abstract: A catalyst precursor composition and methods for making such a catalyst precursor are disclosed. The catalyst precursor comprises at least a promoter metal selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, having an oxidation state of +2 or +4, at least one Group VIB metal, at least one organic, oxygen-containing ligand, and a cellulose-containing material. In one embodiment, the catalyst precursor is of the formula Av[(MP) (OH)x (L)ny]z (MVIBO4), wherein A is one or more monovalent cationic species, MP is selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, L is one or more oxygen-containing ligands, MVIB is at least a Group VIB metal, MP:MVIB has an atomic ratio between 100:1 and 1:100. In one embodiment, catalysts prepared from the sulfidation of such catalyst precursors are used in the hydroprocessing of hydrocarbon feeds. In a hydroconversion process at a hydrogen partial pressure of ˜450 psig, the catalyst a 700° F.Type: ApplicationFiled: October 28, 2008Publication date: April 30, 2009Inventors: Theodorus Maesen, Alex Kuperman, Bi-Zeng Zhan, Andrew Rainis
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Publication number: 20090111683Abstract: A catalyst precursor composition and methods for making such catalyst precursor are disclosed. The catalyst precursor comprises at least a Promoter metal selected from Group VIII, Group IIB, Group IIA, Group IVA and combinations thereof, at least one Group VIB metal, at least one organic, oxygen-containing ligand, and a cellulose-containing material. Catalysts prepared from the sulfidation of such catalyst precursors are used in the hydroprocessing of hydrocarbon feeds. In one embodiment, the sulfidation is carried out by contacting the catalyst precursor with hydrogen and a sulfur containing compound, wherein the contacting is carried out ex-situ. Catalysts prepared from such catalyst precursors have a fouling rate of less than 8° F. (4.4° C.) per 1000 hour.Type: ApplicationFiled: October 28, 2008Publication date: April 30, 2009Inventors: Bi-Zeng Zhan, Alexander Kuperman, Theodorus Maesen, Andrew Rainis, Christopher J. Dillon
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Publication number: 20070278134Abstract: A process is disclosed for producing light neutral base oil having a VI greater than 120 comprising the steps of contacting a hydrocarbonaceous feedstock with a catalyst comprising a low acidity, highly dealuminated ultrastable Y zeolite and a catalytic amount of hydrogenation component to produce a converted fraction and an unconverted fraction boiling above 700° F.; recovering at least a portion of the unconverted fraction; dewaxing at least a portion of the unconverted fraction; separating at least a portion of the dewaxed unconverted fraction into a least a first distillate fraction and a second distillate fraction, said first distillate fraction comprising a lubricating base oil having a viscosity of from about 3 cSt to about 6 cSt at 100° C. and said second distillate fraction having a viscosity of greater than about 6 cSt at 100° C.; and recovering at least a portion of the first distillate fraction.Type: ApplicationFiled: June 1, 2006Publication date: December 6, 2007Inventors: Hye Kyung Timken, Jerome F. Mayer, Arthur J. Dahlberg, Andrew Rainis
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Patent number: 7150823Abstract: Novel methods of treating a Fischer-Tropsch derived hydrocarbon stream with an active filtering catalyst are disclosed. Such methods are capable of removing soluble (and ultra-fine particulate) contamination, fouling agents, and/or plugging precursors from the Fischer-Tropsch derived hydrocarbon stream such that plugging of the catalyst beds of a subsequent hydroprocessing process is substantially avoided.Type: GrantFiled: July 2, 2003Date of Patent: December 19, 2006Assignee: Chevron U.S.A. Inc.Inventors: Jerome F. Mayer, Andrew Rainis, Richard O. Moore, Jr.
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Patent number: 6900365Abstract: A catalytic hydrodealkylation/reforming process which comprises contacting a heavy hydrocarbon feedstream under catalytic hydrodealkylation/reforming conditions with a composition comprising borosilicate molecular sieves having a pore size greater than about 5.0 Angstroms and a Constraint Index smaller than about 1.0; further containing a hydrogenation/dehydrogenation component; wherein at least a portion of the heavy hydrocarbon feedstream is converted to a product comprising benzene, toluene, xylenes and ethylbenzene.Type: GrantFiled: December 11, 2001Date of Patent: May 31, 2005Assignee: Chevron Phillips Chemical Company LPInventors: Cong-Yan Chen, Stacey I. Zones, Andrew Rainis, Dennis J. O'Rear
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Publication number: 20050004414Abstract: Novel methods of treating a Fischer-Tropsch derived hydrocarbon stream with an active filtering catalyst are disclosed. Such methods are capable of removing soluble (and ultra-fine particulate) contamination, fouling agents, and/or plugging precursors from the Fischer-Tropsch derived hydrocarbon stream such that plugging of the catalyst beds of a subsequent hydroprocessing process is substantially avoided.Type: ApplicationFiled: July 2, 2003Publication date: January 6, 2005Inventors: Jerome Mayer, Andrew Rainis, Richard Moore
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Patent number: 6759438Abstract: Methods for producing a substantially paraffinic Fischer-Tropsch product or a blended Fischer Tropsch product comprising a selected oxygenate concentration, and if required, a selected oxygenate concentration of specific individual oxygenates, are disclosed. The methods of the present invention measure oxygenate concentration using GC-AED. The oxygenate measurements obtained using the GC-AED may be used to adjust and control various processes used to produce, upgrade, or finish Fischer Tropsch products to provide Fischer Tropsch products with a selected oxygenate concentration, and if required, a selected oxygenate concentration of specific individual oxygenates.Type: GrantFiled: January 15, 2002Date of Patent: July 6, 2004Assignee: Chevron U.S.A. Inc.Inventors: Andrew Rainis, D J O'Rear