Patents by Inventor Weihua Jin

Weihua Jin 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).

  • Publication number: 20230201249
    Abstract: The composition inhibits severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) via competitive binding to SARS-CoV-2 spike protein. The composition includes a plurality of sulfated glycosaminoglycans which bind to SARS-CoV-2 spike protein, preventing binding to and uptake by host cells. The sulfated glycosaminoglycans, including N-, 2-O, 3-O, or 6-O sulfate groups, or combinations thereof, include heparins and fucoidans, such as those isolated from brown seaweed. The compositions show antiviral activity, with EC50 as low as 0.08 ?M, and low cytotoxicity, making it promising for clinical use. While established SARS-CoV-2 treatments such as remdesivir need to be administered intravenously, the compositions discussed herein are advantageously capable to being delivered as a nasal spray, metered dose inhaler, oral delivery, etc.
    Type: Application
    Filed: April 2, 2021
    Publication date: June 29, 2023
    Inventors: Robert John LINHARDT, So-Young KIM, Weihua JIN, Jonathan Seth DORDICK, Fuming ZHANG, Seok-Joon KWON, Paul S. KWON, Keith FRASER
  • Patent number: 10975006
    Abstract: Para-xylene production processes are disclosed, with such processes being integrated with extractive distillation or other separation to effectively separate, for example to remove and recover, ethylbenzene and other components that co-boil with the isomers of xylene. This allows for xylene isomerization, downstream of the separation of para-xylene from its other isomers, to be operated under milder conditions (e.g., liquid phase, absence of added hydrogen) without the need for ethylbenzene conversion. The associated decreased yields of byproducts such as light gases and non-aromatic hydrocarbons, together with the generation of purified ethylbenzene having value for styrene monomer production, can significantly improve overall process economics.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: April 13, 2021
    Assignees: SCG Chemicals Co., Ltd., Sulzer Management AG
    Inventors: Zhongyi Ding, Sachin Joshi, Weihua Jin
  • Patent number: 10657696
    Abstract: An interactive avatar display system provides a computer-generated view of a virtual space including an avatar that moves in the virtual space in response to movements of the user that are sensed by sensors. The number of sensed movements is less than the number of degrees of freedom of avatar movement. The interactive avatar display system computes an array of accelerations to apply to movable body parts of the avatar and computes the array of accelerations by solving equations of motions from masses of the movable body parts and an array of forces computed from an array of inverse dynamics force values for the movable body parts and one or both of an array of balance control force values or an array of locomotion control force values, taking into account a set of constraints for the avatar, and possible also environmental objects in the virtual space.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: May 19, 2020
    Assignee: DeepMotion, Inc.
    Inventors: Weihua Jin, Kaichuan He
  • Publication number: 20200024216
    Abstract: Para-xylene production processes are disclosed, with such processes being integrated with extractive distillation or other separation to effectively separate, for example to remove and recover, ethylbenzene and other components that co-boil with the isomers of xylene. This allows for xylene isomerization, downstream of the separation of para-xylene from its other isomers, to be operated under milder conditions (e.g., liquid phase, absence of added hydrogen) without the need for ethylbenzene conversion. The associated decreased yields of byproducts such as light gases and non-aromatic hydrocarbons, together with the generation of purified ethylbenzene having value for styrene monomer production, can significantly improve overall process economics.
    Type: Application
    Filed: July 19, 2019
    Publication date: January 23, 2020
    Inventors: Zhongyi DING, Sachin JOSHI, Weihua JIN
  • Patent number: 10308567
    Abstract: Methods and processes for producing paraxylene from catalytic cracking hydrocarbons, particularly C4 and C5+ streams, are disclosed. Each of the processing steps may be tailored to the overall objective of high paraxylene yield from a relative inexpensive feedstock.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: June 4, 2019
    Assignee: GTC Technology US LLC
    Inventors: Weihua Jin, Zhongyi Ding, Mircea Cretoiu, Joseph C. Gentry, Mark Lockhart, Calambur Shyamkumar, Pinti Wang
  • Patent number: 10131595
    Abstract: The inventive process is directed to the production of xylenes through integration of aromatics methylation and transalkylation. This integrated process maximizes the production of xylenes and eliminates or minimizes the production of benzene.
    Type: Grant
    Filed: March 14, 2013
    Date of Patent: November 20, 2018
    Assignee: GTC Technology US LLC
    Inventors: Zhongyi Ding, Weihua Jin, Joseph C. Gentry, Mircea Cretoiu
  • Publication number: 20180165864
    Abstract: An interactive avatar display system provides a computer-generated view of a virtual space including an avatar that moves in the virtual space in response to movements of the user that are sensed by sensors. The number of sensed movements is less than the number of degrees of freedom of avatar movement. The interactive avatar display system computes an array of accelerations to apply to movable body parts of the avatar and computes the array of accelerations by solving equations of motions from masses of the movable body parts and an array of forces computed from an array of inverse dynamics force values for the movable body parts and one or both of an array of balance control force values or an array of locomotion control force values, taking into account a set of constraints for the avatar, and possible also environmental objects in the virtual space.
    Type: Application
    Filed: December 13, 2017
    Publication date: June 14, 2018
    Inventors: Weihua Jin, Kaichuan He
  • Patent number: 9362566
    Abstract: An anode composite material for lithium ion battery and a preparation method thereof. The composite material is a composite material formed by compounding at least one of SiCO, SiCNO, SiCN and SiBCN with LiaMbPO4, wherein 0.95?a?1.1, 0.95?b?1.1, and M is at least one of Fe, Co, Ni and Mn. The content of at least one of SiCO, SiCNO, SiCN and SiBCN in the anode composite material is in a range of 1-20 wt % of the total weight of the composite material. The composite material formed by compounding at least one of SiCO, SiCNO, SiCN and SiBCN with LiaMbPO4 is obtained by adding LiaMbPO4 into at least one organosilicon polymer of polysiloxane, polysilazane, and polyborosilazane, and then curing, crosslinking, and pyrolyzing. Compared with LiaMbPO4, the composite material has a notable improvement in electrochemistry performance and tap density.
    Type: Grant
    Filed: December 20, 2011
    Date of Patent: June 7, 2016
    Assignee: GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS
    Inventors: Shigang Lu, Surong Kan, Xiangjun Zhang, Weihua Jin
  • Patent number: 9040746
    Abstract: Various embodiments of the present invention generally disclose systems and processes for the conversion of a feed stream comprising at least one C8 aromatic into a product stream comprising isophthalic acid and purified terephthalic acid (IPA/TA).
    Type: Grant
    Filed: March 18, 2009
    Date of Patent: May 26, 2015
    Assignee: GTC Technology US, LLC
    Inventors: George A. Ball, Joseph G. Gentry, Joseph P. Weller, Zhongyi Ding, Weihua Jin
  • Publication number: 20140346410
    Abstract: An anode composite material for lithium ion battery and a preparation method thereof. The composite material is a composite material formed by compounding at least one of SiCO, SiCNO, SiCN and SiBCN with LiaMbPO4, wherein 0.95?a?1.1, 0.95?b?1.1, and M is at least one of Fe, Co, Ni and Mn. The content of at least one of SiCO, SiCNO, SiCN and SiBCN in the anode composite material is in a range of 1-20 wt % of the total weight of the composite material. The composite material formed by compounding at least one of SiCO, SiCNO, SiCN and SiBCN with LiaMbPO4 is obtained by adding LiaMbPO4 into at least one organosilicon polymer of polysiloxane, polysilazane, and polyborosilazane, and then curing, crosslinking, and pyrolysing. Compared with LiaMbPO4, the composite material has a notable improvement in electrochemistry performance and tap density.
    Type: Application
    Filed: December 20, 2011
    Publication date: November 27, 2014
    Applicant: GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS
    Inventors: Shigang Lu, Surong Kan, Xiangjun Zhang, Weihua Jin
  • Publication number: 20140100398
    Abstract: Methods and processes for producing paraxylene from catalytic cracking hydrocarbons, particularly C4 and C5+ streams, are disclosed. Each of the processing steps may be tailored to the overall objective of high paraxylene yield from a relative inexpensive feedstock.
    Type: Application
    Filed: March 14, 2013
    Publication date: April 10, 2014
    Applicant: GTC Technology US LLC
    Inventors: Weihua Jin, Zhongyi Ding, Mircea Cretoiu, Joseph C. Gentry, Mark Lockhart, Calambur Shyamkumar, Pinti Wang
  • Patent number: 8658820
    Abstract: Various embodiments of the invention herein described generally relate to novel processes for the production of aromatic acids by fixed bed catalytic oxidation of aromatic compounds carrying at least one oxidizable substituent group attached directly to the carbon atom of the corresponding aromatic nucleus. In an embodiment, a novel oxidation process of the present invention comprises the steps of: a) catalytically oxidizing, with an oxidation catalyst, a liquid phase aromatic acid precursor in the presence of a gaseous oxygen source; b) separating a finished product; c) purging the solvent and the oxidation catalyst; d) optionally recycling at least a portion of the solvent into the oxidation reactor; e) recovering at least a portion of the oxidation catalyst; f) recharging the at least a portion of the oxidation catalyst over a solid recharging catalyst bed; and (g) feeding a reactivated oxidation catalyst to the oxidation reactor.
    Type: Grant
    Filed: May 26, 2009
    Date of Patent: February 25, 2014
    Assignee: GTC Technology US, LLC
    Inventors: George A. Ball, Joseph C. Gentry, Joseph P. Weller, Zhongyi Ding, John R. H. Wilson, Meritxell Guino, Weihua Jin
  • Publication number: 20130267746
    Abstract: The inventive process is directed to the production of xylenes through integration of aromatics methylation and transalkylation. This integrated process maximizes the production of xylenes and eliminates or minimizes the production of benzene.
    Type: Application
    Filed: March 14, 2013
    Publication date: October 10, 2013
    Applicant: GTC Technology US LLC
    Inventors: Zhongyi Ding, Weihua Jin, Joseph C. Gentry, Mircea Cretoiu
  • Patent number: 8394999
    Abstract: A process to convert glycerin into propylene glycol and purifying the produced propylene glycol is described. The glycerin-based propylene glycol production requires only one process step compared to petroleum/natural gas-based propylene glycol production requires multiple process steps, and thus represents a cost savings.
    Type: Grant
    Filed: March 12, 2012
    Date of Patent: March 12, 2013
    Assignee: GTC Technology US LLC
    Inventors: Zhongyi Ding, Joseph Chiu, Weihua Jin
  • Patent number: 8362313
    Abstract: In various embodiments, the present disclosure describes processes and systems for recovery of styrene from a styrene-rich feedstock. The processes and systems maintain performance of an extractive solvent used in the styrene recovery. In general, the processes include introducing a styrene-rich feedstock to an extractive distillation column, removing a styrene-rich stream from the extractive distillation column, introducing the styrene-rich stream to a solvent recovery column, removing a styrene-lean stream from the solvent recovery column, separating and treating a portion of the styrene-lean stream to form a treated extractive solvent and recycling the treated extractive solvent. In some embodiments, the treating process also includes steam stripping. Styrene-recovery systems including an extractive distillation column, a solvent recovery column, a solvent treatment apparatus having at least one equilibrium stage and a continuous circulation loop connecting these components are also disclosed herein.
    Type: Grant
    Filed: February 1, 2010
    Date of Patent: January 29, 2013
    Assignee: GTC Technology, LP
    Inventors: Zhong Yi Ding, Weihua Jin, Andrei Cimpeanu, Amy Sealey
  • Publication number: 20120234516
    Abstract: Methods for recovering energy from a mother liquor stream in paraxylene crystallization processes are disclosed herein. The low temperature energy from the mother liquor is optimally utilized to reduce the refrigeration burden on the crystallization process.
    Type: Application
    Filed: March 19, 2012
    Publication date: September 20, 2012
    Applicant: GTC Technology US LLC
    Inventors: Weihua Jin, Zhongyi Ding
  • Publication number: 20120232312
    Abstract: A process to convert glycerin into propylene glycol and purifying the produced propylene glycol is described. The glycerin-based propylene glycol production requires only one process step compared to petroleum/natural gas-based propylene glycol production requires multiple process steps, and thus represents a cost savings.
    Type: Application
    Filed: March 12, 2012
    Publication date: September 13, 2012
    Applicant: GTC Technology US LLC
    Inventors: Zhongyi Ding, Joseph Chiu, Weihua Jin
  • Publication number: 20110108763
    Abstract: Various embodiments of the invention herein described generally relate to novel processes for the production of aromatic acids by fixed bed catalytic oxidation of aromatic compounds carrying at least one oxidizable substituent group attached directly to the carbon atom of the corresponding aromatic nucleus. In an embodiment, a novel oxidation process of the present invention comprises the steps of: a) catalytically oxidizing, with an oxidation catalyst, a liquid phase aromatic acid precursor in the presence of a gaseous oxygen source; b) separating a finished product; c) purging the solvent and the oxidation catalyst; d) optionally recycling at least a portion of the solvent into the oxidation reactor; e) recovering at least a portion of the oxidation catalyst; f) recharging the at least a portion of the oxidation catalyst over a solid recharging catalyst bed; and (g) feeding a reactivated oxidation catalyst to the oxidation reactor.
    Type: Application
    Filed: May 26, 2009
    Publication date: May 12, 2011
    Inventors: George A. Ball, Joseph C. Gentry, Joseph P. Weller, Zhongyi Ding, John R.H. Wilson, Meritxell Guino, Weihua Jin
  • Publication number: 20110057147
    Abstract: Various embodiments of the present invention generally disclose systems and processes for the conversion of a feed stream comprising at least one C8 aromatic into a product stream comprising isophthalic acid and purified terephthalic acid (IPA/TA).
    Type: Application
    Filed: March 18, 2009
    Publication date: March 10, 2011
    Inventors: George A. Ball, Joseph G. Gentry, Joseph P. Weller, Zhongyi Ding, Weihua Jin
  • Publication number: 20110015460
    Abstract: In various embodiments, the present disclosure describes processes and systems for recovery of styrene from a styrene-rich feedstock. The processes and systems maintain performance of an extractive solvent used in the styrene recovery. In general, the processes include introducing a styrene-rich feedstock to an extractive distillation column, removing a styrene-rich stream from the extractive distillation column, introducing the styrene-rich stream to a solvent recovery column, removing a styrene-lean stream from the solvent recovery column, separating and treating a portion of the styrene-lean stream to form a treated extractive solvent and recycling the treated extractive solvent. In some embodiments, the treating process also includes steam stripping. Styrene-recovery systems including an extractive distillation column, a solvent recovery column, a solvent treatment apparatus having at least one equilibrium stage and a continuous circulation loop connecting these components are also disclosed herein.
    Type: Application
    Filed: February 1, 2010
    Publication date: January 20, 2011
    Inventors: Zhongyi Ding, Weihua Jin, Andrei Cimpeanu, Amy Sealey