Patents by Inventor Scott A. Stevenson

Scott A. Stevenson 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).

  • Patent number: 10865167
    Abstract: A process for hydrocracking 2,4-dimethylpentane and/or 2,2,3-trimethylbutane can comprise: contacting a hydrocracking feed stream in the presence of hydrogen with a hydrocracking catalyst, wherein the hydrocracking feed stream comprises at least 0.5 wt % of 2,4-dimethylpentane and/or 2,2,3-trimethylbutane, based upon a total weight of the hydrocracking feed stream; and wherein the hydrocracking catalyst comprises a medium pore zeolite having a pore size of 5-6 A and a silica to alumina molar ratio of 20-75; preferably the hydrocracking catalyst comprises a medium pore zeolite having a pore size of 5-6 A and a silica to alumina molar ratio of 20-75 and a large pore zeolite having a pore size of 6-8 A and a silica to alumina molar ratio of 10-80, wherein the hydrogenation metal is deposited on the medium pore zeolite and the large pore zeolite.
    Type: Grant
    Filed: September 7, 2017
    Date of Patent: December 15, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Ashim Kumar Ghosh, Alla Khanmamedova, Scott A. Stevenson, Luis Aramburo, David L. Sullivan, Cong Nguyen
  • Patent number: 10738246
    Abstract: The present invention relates to a process for producing monoaromatic hydrocarbons from a hydrocarbon feed comprising polyaromatics, the process comprising contacting said feed in the presence of hydrogen with a M/zeolite catalyst under hydrocracking process conditions.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: August 11, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Luis Aramburo, Emiel van Kimmenade, Dustin Farmer, Scott A. Stevenson
  • Patent number: 10723959
    Abstract: The present invention relates to a process for producing monoaromatic hydrocarbons from a hydrocarbon feed comprising polyaromatics, the process comprising contacting said feed in the presence of hydrogen with a M/A/zeolite catalyst under hydrocracking process conditions.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: July 28, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Luis Aramburo, Dustin Farmer, Scott A. Stevenson
  • Patent number: 10717688
    Abstract: The present invention relates to a process for producing benzene from a mixed hydrocarbon feedstream comprising subjecting C6 cut separated from said mixed hydrocarbon feedstream to aromatization to provide a benzene-rich aromatic stream and recovering the benzene from the benzene-rich aromatic stream.
    Type: Grant
    Filed: June 25, 2015
    Date of Patent: July 21, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Scott Stevenson, Dimitri Daniëls
  • Patent number: 10710942
    Abstract: An integrated process for forming a combined feedstock stream comprising catalytically cracking a first hydrocarbon feedstock to form a full range cracked full naphtha stream and a first light olefins stream, steam cracking a second hydrocarbon feedstock to form a pyrolysis gasoline stream and a second light olefins stream mixing at least a portion of each of the full range cracked naphtha stream and the pyrolysis gasoline stream to form a combined stream, hydro-processing the combined stream to form a hydro-processed combined stream splitting the hydro-processed combined stream into a C5/C6 stream, and a first aromatic rich stream, splitting the first aromatic rich stream into a second aromatic rich stream and a heavy oil stream.
    Type: Grant
    Filed: May 12, 2017
    Date of Patent: July 14, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Sheetal Bafna, Sanjeev Deshpande, Michael Huckman, Scott Stevenson
  • Patent number: 10669235
    Abstract: The present invention relates inter alia to a compound of formula (I) wherein R1, R2 and R3, are as defined in the specification and to compositions comprising the same and to the use of the compounds and to compositions of the compounds in treatment, for example in the treatment of fibrotic diseases or interstitial lung diseases, in particular idiopathic pulmonary fibrosis.
    Type: Grant
    Filed: March 8, 2017
    Date of Patent: June 2, 2020
    Assignee: RESPIVERT LIMITED
    Inventors: Iain Walters, Louise Birch, Stephen Paul Collingwood, Christopher Scott Stevenson
  • Patent number: 10639617
    Abstract: A process comprising contacting said feed in the presence of hydrogen with a M/zeolite catalyst under hydrocracking process conditions.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: May 5, 2020
    Assignee: SABIC Global Technologies B.V.
    Inventors: Luis Aramburo, Maikel van Iersel, Dustin Farmer, Scott A. Stevenson, Emiel van Kimmenade
  • Patent number: 10583422
    Abstract: In an aspect, a method for the aromatization of hydrocarbons comprises contacting a hydrocarbon feedstream with a catalyst; wherein the catalyst comprises a zeolite comprising Si, Al, and Ge in the framework with Pt deposited thereon; wherein the zeolite further comprises Na; and wherein the catalyst has an Si:Al2 mole ratio of greater than or equal to 125, an Si:Ge mole ratio of 40 to 400, and an Na:Al mole ratio of 0.9 to 2.5, wherein the catalyst has an aluminum content of less than or equal to 0.75 wt % excluding any binder and extrusion aide.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: March 10, 2020
    Assignee: SAUDI BASIC INDUSTRIES CORPORATION
    Inventors: Alla Khanmamedova, Scott Stevenson
  • Patent number: 10550342
    Abstract: An integrated process for increasing olefin production is described through which heavy cracker residues of fluid catalytic cracking unit and steam cracking unit are completely mixed, and mixed stream is properly recycled and further combined with atmospheric tower bottoms. Combined stream is deasphalted and hydrotreated to produce a proper feedstock for steam cracking unit for manufacturing light olefin compounds. The integrated process produces higher amount of light olefins than a substantially similar process without processing the heavy cracker residues.
    Type: Grant
    Filed: January 31, 2017
    Date of Patent: February 4, 2020
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Jose Armando Salazar-Guillen, Michael Huckman, Scott Stevenson
  • Publication number: 20190375696
    Abstract: A process for hydrocracking 2,4-dimethylpentane and/or 2,2,3-trimethylbutane can comprise: contacting a hydrocracking feed stream in the presence of hydrogen with a hydrocracking catalyst, wherein the hydrocracking feed stream comprises at least 0.5 wt % of 2,4-dimethylpentane and/or 2,2,3-trimethylbutane, based upon a total weight of the hydrocracking feed stream; and wherein the hydrocracking catalyst comprises a medium pore zeolite having a pore size of 5-6 A and a silica to alumina molar ratio of 20-75; preferably the hydrocracking catalyst comprises a medium pore zeolite having a pore size of 5-6 A and a silica to alumina molar ratio of 20-75 and a large pore zeolite having a pore size of 6-8 A and a silica to alumina molar ratio of 10-80, wherein the hydrogenation metal is deposited on the medium pore zeolite and the large pore zeolite.
    Type: Application
    Filed: September 7, 2017
    Publication date: December 12, 2019
    Inventors: Ashim Kumar Ghosh, Alla Khanmamedova, Scott A. Stevenson, Luis Aramburo, David L. Sullivan, Cong Nguyen
  • Patent number: 10501388
    Abstract: The invention relates to a process for producing benzene comprising the steps of: (a) providing a hydrocracking feed stream comprising C5-C12 hydrocarbons, (b) contacting the hydrocracking feed stream in the presence of hydrogen with a hydrocracking catalyst under process conditions including a temperature of 425-580° C., a pressure of 300-5000 kPa gauge and a Weight Hourly Space Velocity of 3-30 h?1 to produce a hydrocracking product stream comprising BTX and (c) separating the BTX from the hydrocracking product stream, wherein the hydrocracking catalyst comprises a shaped body comprising a zeolite and a binder and a hydrogenation metal deposited on the shaped body, wherein the amount of the hydrogenation metal is 0.010-0.30 wt-% with respect to the total catalyst and wherein the zeolite is ZSM-5 having a silica (SiO2) to alumina (Al2O3) molar ratio of 25-75.
    Type: Grant
    Filed: August 18, 2016
    Date of Patent: December 10, 2019
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Alla Khanmamedova, Scott A. Stevenson, Dustin Fickel
  • Patent number: 10494581
    Abstract: The present invention relates to a process for producing LPG from a hydrocarbon feed comprising polyaromatics, the process comprising contacting said feed in the presence of hydrogen with a M/A/zeolite catalyst under hydrocracking process conditions.
    Type: Grant
    Filed: September 15, 2016
    Date of Patent: December 3, 2019
    Assignee: SABIC GLOBAL TECHNOLOGIES B.V.
    Inventors: Luis Aramburo, Dustin Farmer, Scott A. Stevenson
  • Publication number: 20190359541
    Abstract: An integrated process for forming a combined feedstock stream comprising catalytically cracking a first hydrocarbon feedstock to form a full range cracked full naphtha stream and a first light olefins stream, steam cracking a second hydrocarbon feedstock to form a pyrolysis gasoline stream and a second light olefins stream mixing at least a portion of each of the full range cracked naphtha stream and the pyrolysis gasoline stream to form a combined stream, hydro-processing the combined stream to form a hydro-processed combined stream splitting the hydro-processed combined stream into a C5/C6 stream, and a first aromatic rich stream, splitting the first aromatic rich stream into a second aromatic rich stream and a heavy oil stream.
    Type: Application
    Filed: May 12, 2017
    Publication date: November 28, 2019
    Inventors: Sheetal BAFNA, Sanjeev DESHPANDE, Michael HUCKMAN, Scott STEVENSON
  • Publication number: 20190351395
    Abstract: In an aspect, a method for the aromatization of hydrocarbons comprises contacting a hydrocarbon feedstream with a catalyst; wherein the catalyst comprises a zeolite comprising Si, Al, and Ge in the framework with Pt deposited thereon; wherein the zeolite further comprises Na; and wherein the catalyst has an Si:Al2 mole ratio of greater than or equal to 125, an Si:Ge mole ratio of 40 to 400, and an Na:Al mole ratio of 0.9 to 2.5, wherein the catalyst has an aluminum content of less than or equal to 0.75 wt % excluding any binder and extrusion aide.
    Type: Application
    Filed: July 31, 2019
    Publication date: November 21, 2019
    Inventors: Alla Khanmamedova, Scott Stevenson
  • Publication number: 20190337929
    Abstract: The present invention relates inter alia to a compound of formula (I) Wherein R1, R2, R3 and Z are as defined in the specification and to compositions comprising the same and to the use of the compounds and to compositions of the compounds in treatment, for example in the treatment of fibrotic diseases or interstitial lung diseases, in particular idiopathic pulmonary fibrosis.
    Type: Application
    Filed: December 23, 2016
    Publication date: November 7, 2019
    Inventors: Iain Walters, Louise Birch, Joseph Hill-Cousins, Stephen Paul Collingwood, Christopher Scott Stevenson
  • Patent number: 10427141
    Abstract: In an embodiment, A catalyst comprises a zeolite comprising Si, Al, and Ge in the framework with Pt deposited thereon; wherein the catalyst has an Si:Al2 mole ratio of greater than or equal to 125, an Si:Ge mole ratio of 40 to 400, and an Na:Al mole ratio of 0.9 to 2.5; wherein the catalyst has an aluminum content of less than or equal to 0.75 wt %; wherein the catalyst is non-acidic.
    Type: Grant
    Filed: November 2, 2018
    Date of Patent: October 1, 2019
    Assignee: SAUDI BASIC INDUSTRIES CORPORATION
    Inventors: Alla Khanmamedova, Scott Stevenson
  • Publication number: 20190247837
    Abstract: A method for preparing a hydrocracking catalyst comprising: (i) providing a shaped body comprising a zeolite and a binder, wherein the shaped body has been obtained by shaping, calcination and cooling, wherein the zeolite is ZSM-5 having a silica (SiO2) to alumina (Al2O3) molar ratio of 25-75; (ii) optionally drying the shaped body at a temperature of 100-300° C. for a period of at least 1 hour; (iii) depositing a hydrogenation metal on the shaped body by an impregnation for a period of at most 2 hours such that the amount of the hydrogenation metal is 0.010-0.30 wt % with respect to the total catalyst; (iv) optionally rinsing the metal deposited shaped body with water; and (v) heat-treating the metal deposited shaped body in air at a temperature of 250-300° C. for a period of 1-5 hours; wherein the catalyst comprises a total of less than 0.05 wt % sodium and cesium.
    Type: Application
    Filed: October 17, 2017
    Publication date: August 15, 2019
    Inventors: Ashim Kumar GHOSH, Alla KHANMAMEDOVA, Scott A. STEVENSON
  • Publication number: 20190070594
    Abstract: In an embodiment, A catalyst comprises a zeolite comprising Si, Al, and Ge in the framework with Pt deposited thereon; wherein the catalyst has an Si:Al2 mole ratio of greater than or equal to 125, an Si:Ge mole ratio of 40 to 400, and an Na:Al mole ratio of 0.9 to 2.5; wherein the catalyst has an aluminum content of less than or equal to 0.75 wt %; wherein the catalyst is non-acidic.
    Type: Application
    Filed: November 2, 2018
    Publication date: March 7, 2019
    Inventors: Alla Khanmamedova, Scott Stevenson
  • Publication number: 20190071399
    Abstract: The present invention relates inter alia to a compound of formula (I) wherein R1, R2 and R3, are as defined in the specification and to compositions comprising the same and to the use of the compounds and to compositions of the compounds in treatment, for example in the treatment of fibrotic diseases or interstitial lung diseases, in particular idiopathic pulmonary fibrosis.
    Type: Application
    Filed: March 8, 2017
    Publication date: March 7, 2019
    Inventors: Iain Walters, Louise Birch, Stephen Paul Collingwood, Christopher Scott Stevenson
  • Publication number: 20190055483
    Abstract: A process for increasing olefin production from refinery that processes hydrocarbon streams that are rich in aromatic compounds and includes steam cracking and hydrotreating an aromatically rich feedstock to produce a hydrotreated pyrolysis gasoline stream and light pyrolysis oil byproduct, saturating at least one additional naphtha/hydrocarbon stream together with the hydrotreated pyrolysis gasoline stream or together with the light pyrolysis oil byproducts to form a first naphthene stream, and steam cracking the first naphthene stream to produce olefins.
    Type: Application
    Filed: February 9, 2017
    Publication date: February 21, 2019
    Inventors: Sheetal BAFNA, Jose Armando SALAZAR-GUILLEN, Sanjeev DESHPANDE, Scott STEVENSON, Michael HUCKMAN, Joseph W. SCHROER