Patents by Inventor Quanchang Li

Quanchang Li 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: 10661262
    Abstract: Hydrogenation catalysts for aromatic hydrogenation including an organosilica material support, which is a polymer comprising independent units of a monomer of Formula [Z1OZ2OSiCH2]3 (I), wherein each Z1 and Z2 independently represent a hydrogen atom, a C1-C4 alkyl group or a bond to a silicon atom of another monomer; and at least one catalyst metal are provided herein. Methods of making the hydrogenation catalysts and processes of using, e.g., aromatic hydrogenation, the hydrogenation catalyst are also provided herein.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: May 26, 2020
    Assignee: ExxonMobil Research & Engineering Company
    Inventors: Paul Podsiadlo, Quanchang Li, David Charles Calabro, Jean Willem Lodewijk Beeckman, Lei Zhang, Kiara M. Benitez, Matthew Scott Ide, Stephen John McCarthy, Mobae Afeworki, Simon Christopher Weston, Preeti Kamakoti, Matu J. Shah, Wenyih Frank Lai, Meghan Kochersperger, David A. Griffin, Ivy D. Johnson
  • Patent number: 10647798
    Abstract: Disclosed herein are spray-dried catalyst compositions including one or more olefin polymerization catalysts and at least one support of an organosilica material, optionally, with at least one activator. The spray-dried catalyst compositions may be used in polymerization processes for the production of polyolefin polymers.
    Type: Grant
    Filed: November 9, 2017
    Date of Patent: May 12, 2020
    Assignee: ExxonMobil Chemical Patents, Inc.
    Inventors: Matthew W. Holtcamp, Quanchang Li, David C. Calabro, Gerardo J. Majano Sanchez, Machteld M. Mertens, Charles J. Harlan
  • Patent number: 10576453
    Abstract: Methods for fabricating a membrane with an organosilica material which is a polymer comprising independent units of Formula [Z3Z4SiCH2]3 (I), wherein each Z3 represents a hydroxyl group, a C1-C4 alkoxy group or an oxygen atom bonded to a silicon atom of another unit or an active site on the support and each Z4 represents a hydroxyl group, a C1-C4 alkoxy group, a C1-C4 alkyl group, an oxygen atom bonded to a silicon atom of another unit or an active site on the support are provided. Methods of removing a contaminant from a hydrocarbon stream are also provided.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: March 3, 2020
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Quanchang Li, Dhaval Ajit Bhandari, Benjamin A. McCool
  • Patent number: 10544239
    Abstract: Organosilica materials, which are a polymer of at least one independent monomer of Formula [Z1OZ2OSiCH2]3 (I), wherein each Z1 and Z2 independently represent a hydrogen atom, a C1-C4 alkyl group or a bond to a silicon atom of another monomer and at least one other trivalent metal oxide monomer are provided herein. Methods of preparing and processes of using the organosilica materials, e.g., for catalysis etc., are also provided herein.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: January 28, 2020
    Assignee: EXXONMOBILE RESEARCH AND ENGINEERING COMPANY
    Inventors: Quanchang Li, David Charles Calabro, Mobae Amin Afeworki, Simon Christopher Weston, Matcheld Maria Wilfried Mertens, Tilman Wolfram Beutel, Wenyih Frank Lai, Paul Podsiadlo, Jean Willem Lodewijk Beeckman
  • Patent number: 10435514
    Abstract: Organosilica materials made from monomers including at least a source of silica that is reactive to polymerize, optionally in combination with at least one additional cyclic monomer. Methods for making such organosilica materials are also described herein.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: October 8, 2019
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: David C. Calabro, Ivy D. Johnson, Quanchang Li, Paul Podsiadlo, Simon C. Weston, Mobae Afeworki
  • Patent number: 10351639
    Abstract: This invention relates in certain aspects to a process for removing oxygenates from a stream, preferably a hydrocarbon stream comprising contacting an organosilica material with the hydrocarbon steam, where the organosilica material is a polymer of at least one monomer of Formula [Z1OZ2SiCH2]3, wherein Z1 represents a hydrogen atom, a C1-C4 alkyl group, or a bond to a silicon atom of another monomer and Z2 represents a hydroxyl group, a C1-C4 alkoxy group, a C1-C6 alkyl group or an oxygen atom bonded to a silicon atom of another monomer.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: July 16, 2019
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Machteld M. W. Mertens, Jo Ann M. Canich, Suzzy C. H. Ho, Quanchang Li
  • Publication number: 20190194414
    Abstract: Methods of preparing organosilica materials using a starting material mixture comprising at least one compound of Formula [(RO)2SiCH2]3 (Ia) and at least one compound of Formula [R?ROSiCH2]3 (Ib), wherein each R? independently represents an RO—, an R group, or an (RO)3Si—CH2— group, at least one R? being (RO)3Si—CH2—; and R represents a C1-C4 alkyl group, in the absence of a structure directing agent and/or porogen are provided herein. Processes of using the organosilica materials, e.g., for gas separation, etc., are also provided herein.
    Type: Application
    Filed: November 14, 2018
    Publication date: June 27, 2019
    Inventors: Huaxing Zhou, Quanchang Li, David C. Calabro
  • Patent number: 10294312
    Abstract: A catalyst system comprising a combination of: 1) an activator; 2) one or more metallocene catalyst compounds; 3) a support comprising an organosilica material, which may be a mesoporous organosilica material. The organosilica material may be a polymer of at least one monomer of Formula [Z1OZ2SiCH2]3 (I), where Z1 represents a hydrogen atom, a C1-C4 alkyl group, or a bond to a silicon atom of another monomer and Z2 represents a hydroxyl group, a C1-C4 alkoxy group, a C1-C6 alkyl group, or an oxygen atom bonded to a silicon atom of another monomer. This invention further relates to processes to polymerize olefins comprising contacting one or more olefins with the above catalyst system.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: May 21, 2019
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Matthew W. Holtcamp, Gregory S. Day, David F. Sanders, David C. Calabro, Quanchang Li, Machteld M. W. Mertens
  • Patent number: 10266622
    Abstract: A catalyst system comprising a combination of: 1) one or more catalyst compounds having at least one nitrogen linkage and at least one oxygen linkage to a transition metal; 2) a support comprising an organosilica material, which is a mesoporous organosilica material; and 3) an optional activator. Useful catalysts include ONNO-type transition metal catalysts, ONYO-Type transition metal catalysts, and/or oxadiazole transition metal catalysts. The organosilica material is a polymer of at least one monomer of Formula [z?OZ2 SiCH2]3(l), where Z1 represents a hydrogen atom, a C1-C4alkyl group, or a bond to a silicon atom of another monomer and Z2 represents a hydroxyl group, a C1-C4alkoxy group, a C1-C6alkyl group, or an oxygen atom bonded to a silicon atom of another monomer. This invention further relates to processes to polymerize olefins comprising contacting one or more olefins with the above catalyst system.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: April 23, 2019
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Matthew W. Holtcamp, Matthew S. Bedoya, Charles J. Harlan, Quanchang Li, Machteld M. W. Mertens
  • Publication number: 20190105647
    Abstract: Catalysts including at least one microporous material (e.g., zeolite), an organosilica material binder, and at least one catalyst metal are provided herein. Methods of making the catalysts, preferably without surfactants and processes of using the catalysts, e.g., for aromatic hydrogenation, are also provided herein.
    Type: Application
    Filed: December 7, 2018
    Publication date: April 11, 2019
    Inventors: Paul Podsiadlo, Quanchang Li, David C. Calabro, Kiara M. Benitez, Machteld M.W. Mertens, Scott J. Weigel, Doron Levin, Randall D. Partridge
  • Patent number: 10239967
    Abstract: A catalyst system comprising a combination of: 1) one or more catalyst compounds comprising at least one nitrogen linkage; 2) a support comprising an organosilica material, which is a mesoporous organosilica material; and 3) an optional activator. Useful catalysts include pyridyldiamido transition metal complexes, HN5 compounds, and bis(imino)pyridyl complexes. The organosilica material is a polymer of at least one monomer of Formula [Z1OZ2SiCH2]3(1), where Z1 represents a hydrogen atom, a C1-C4alkyl group, or a bond to a silicon atom of another monomer and Z2 represents a hydroxyl group, a C1-C4alkoxy group, a C1-C6 alkyl group, or an oxygen atom bonded to a silicon atom of another monomer. This invention further relates to processes to polymerize olefins comprising contacting one or more olefins with the above catalyst system.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: March 26, 2019
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Matthew W. Holtcamp, Matthew S. Bedoya, Charles J. Harlan, Quanchang Li, Machteld M. W. Mertens
  • Patent number: 10207249
    Abstract: Organosilica materials, which are a polymer of at least one independent monomer of Formula [Z1OZ2OSiCH2]3 (I), wherein Z1 and Z2 each independently represent a hydrogen atom, a C1-C4 alkyl group or a bond to a silicon atom of another monomer and at least one other monomer is provided herein. Methods of preparing and processes of using the organosilica materials, e.g., for gas separation, color removal etc., are also provided herein.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: February 19, 2019
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Quanchang Li, Preeti Kamakoti, David Charles Calabro, Mary Kathryn Lee, Stephen M. Cundy, Kanmi Mao, Matu J. Shah, Dennis George Peiffer, Daniel P. Leta
  • Patent number: 10195600
    Abstract: Catalysts including at least one microporous material (e.g., zeolite), an organosilica material binder, and at least one catalyst metal are provided herein. Methods of making the catalysts, preferably without surfactants and processes of using the catalysts, e.g., for aromatic hydrogenation, are also provided herein.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: February 5, 2019
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Paul Podsiadlo, Quanchang Li, David C. Calabro, Kiara M. Benitez, Machteld M. W. Mertens, Scott J. Weigel, Doron Levin, Randall D. Partridge
  • Patent number: 10183272
    Abstract: Adsorbent materials including a porous material support and about 0.5 wt. % to about 30 wt. % of a Group 8 metal ion are provide herein. Methods of making the adsorbent material and processes of using the adsorbent material, e.g., for heteroatom species separation, are also provided herein.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: January 22, 2019
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Paul Podsiadlo, Jianxin Wu, Kiara M. Benitez, Quanchang Li, David Charles Calabro
  • Patent number: 10155826
    Abstract: A catalyst system comprising a combination of: 1) one or more catalyst compounds comprising at least one oxygen linkage, such as a phenoxide transition metal compound; 2) a support comprising an organosilica material, which may be a mesoporous organosilica material; and 3) an optional activator. Useful catalysts include biphenyl phenol catalysts (BPP). The organosilica material may be a polymer of at least one monomer of Formula [Z1OZ2SiCH2]3 (I), where Z1 represents a hydrogen atom, a C1-C4 alkyl group, or a bond to a silicon atom of another monomer and Z2 represents a hydroxyl group, a C1-C4 alkoxy group, a C1-C6 alkyl group, or an oxygen atom bonded to a silicon atom of another monomer. This invention further relates to processes to polymerize olefins comprising contacting one or more olefins with the above catalyst system.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: December 18, 2018
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Matthew W. Holtcamp, Charles J. Harlan, Quanchang Li, Machteld M. W. Mertens
  • Publication number: 20180318790
    Abstract: Hydrogenation catalysts for aromatic hydrogenation including an organosilica material support, which is a polymer comprising independent units of a monomer of Formula [Z1OZ2OSiCH2]3 (I), wherein each Z1 and Z2 independently represent a hydrogen atom, a C1-C4 alkyl group or a bond to a silicon atom of another monomer; and at least one catalyst metal are provided herein. Methods of making the hydrogenation catalysts and processes of using, e.g., aromatic hydrogenation, the hydrogenation catalyst are also provided herein.
    Type: Application
    Filed: July 10, 2018
    Publication date: November 8, 2018
    Inventors: Paul Podsiadlo, Quanchang Li, David Charles Calabro, Jean Willem Lodewijk Beeckman, Lei Zhang, Kiara M. Benitez, Matthew Scott Ide, Stephen John McCarthy, Mobae Afeworki, Simon Christopher Weston, Preeti Kamakoti, Matu J. Shah, Wenyih Frank Lai, Meghan Kochersperger, David A. Griffin, Ivy D. Johnson
  • Patent number: 10047304
    Abstract: Hydrogenation catalysts for aromatic hydrogenation including an organosilica material support, which is a polymer comprising independent units of a monomer of Formula [Z1OZ2OSiCH2]3 (I), wherein each Z1 and Z2 independently represent a hydrogen atom, a C1-C4 alkyl group or a bond to a silicon atom of another monomer; and at least one catalyst metal are provided herein. Methods of making the hydrogenation catalysts and processes of using, e.g., aromatic hydrogenation, the hydrogenation catalyst are also provided herein.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: August 14, 2018
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Paul Podsiadlo, Quanchang Li, David Charles Calabro, Jean Willem Lodewijk Beeckman, Lei Zhang, Kiara M. Benitez, Matthew Scott Ide, Stephen John McCarthy, Mobae Afeworki, Simon Christopher Weston, Preeti Kamakoti, Matu J. Shah, Wenyih Frank Lai, Meghan Nines, David A. Griffin, Ivy D. Johnson
  • Patent number: 10022700
    Abstract: Methods of preparing organosilica materials, which are a polymer comprising of at least one independent cyclic polyurea monomer of Formula wherein each R1 is a Z1OZ2Z3SiZ4 group, wherein each Z1 represents a hydrogen atom, a C1-C4 alkyl group, or a bond to a silicon atom of another monomer unit; each Z2 and Z3 independently represent a hydroxyl group, a C1-C4 alkyl group, a C1-C4 alkoxy group or an oxygen atom bonded to a silicon atom of another monomer unit; and each Z4 represents a C1-C8 alkylene group bonded to a nitrogen atom of the cyclic polyurea are provided herein. Methods of preparing and processes of using the organosilica materials, e.g., for gas separation, color removal, etc., are also provided herein.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: July 17, 2018
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Paul Podsiadlo, Quanchang Li, David Charles Calabro, Lei Zhang, Kiara M. Benitez, Himanshu Gupta, Xiaochun Xu, Scott J. Weigel, Darryl Donald Lacy, Bal Kaul, James William Gleeson, Wenyih Frank Lai, Mobae Afeworki, Simon Christopher Weston, David A. Griffin, Meghan Nines
  • Patent number: 10022701
    Abstract: Methods for coating a substrate with a coating including an adsorbent material and a binder comprising an organosilica material which is a polymer comprising independent units of Formula [Z3Z4SiCH2]3 (I), wherein each Z3 represents a hydroxyl group, a C1-C4 alkoxy group or an oxygen atom bonded to a silicon atom of another unit or an active site on the substrate and each Z4 represents a hydroxyl group, a C1-C4 alkoxy group, a C1-C4 alkyl group, an oxygen atom bonded to a silicon atom of another unit or an active site on the substrate are provided. Methods of gas separation are also provided.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: July 17, 2018
    Assignee: EXXONMOBIL RESEARCH AND ENGINEERING COMPANY
    Inventors: Quanchang Li, Randall D. Partridge
  • Publication number: 20180179310
    Abstract: Disclosed herein are spray-dried catalyst compositions including one or more olefin polymerization catalysts and at least one support of an organosilica material, optionally, with at least one activator. The spray-dried catalyst compositions may be used in polymerization processes for the production of polyolefin polymers.
    Type: Application
    Filed: November 9, 2017
    Publication date: June 28, 2018
    Inventors: Matthew W. Holtcamp, Quanchang Li, David C. Calabro, Gerardo J. Majano Sanchez, Machteld M. Mertens, Charles J. Harlan