Patents by Inventor Guo-Qing Tang

Guo-Qing Tang 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).

  • Modulation of complement activity
    Patent number: 11965040
    Abstract: The present invention provides modulators of complement activity. Also provided are methods of utilizing such modulators as therapeutics.
    Type: Grant
    Filed: April 21, 2021
    Date of Patent: April 23, 2024
    Assignee: RA PHARMACEUTICALS, INC.
    Inventors: Michelle Denise Hoarty, Ketki Ashok Dhamnaskar, Daniel Elbaum, Kristopher Josephson, Kelley Cronin Larson, Zhong Ma, Nathan Ezekiel Nims, Alonso Ricardo, Kathleen Seyb, Guo-Qing Tang, Douglas A. Treco, Zhaolin Wang, Ping Ye, Hong Zheng, Sarah Jacqueline Perlmutter, Robert Paul Hammer
  • USE OF A BORATE-ACID BUFFER IN OIL AND GAS OPERATIONS
    Publication number: 20240052234
    Abstract: Provided herein are compositions comprising borate-acid buffers, as well as methods of using these compositions in oil and gas operations, including enhanced oil recovery (EOR) operations, fracturing operations, stimulation operations, etc.
    Type: Application
    Filed: October 17, 2023
    Publication date: February 15, 2024
    Inventors: Nabijan NIZAMIDIN, Gayani W. PINNAWALA, Guo-Qing TANG, Varadarajan DWARAKANATH, Gregory A. WINSLOW, Jordan Taylor ISBELL, Taimur MALIK
  • Injection fluids for stimulating fractured formations
    Patent number: 11834609
    Abstract: Embodiments of the disclosure include compositions and methods that stabilize a injection fluid when exposed to reservoir conditions, reducing formation damage and increasing the amount of hydrocarbon recovered. Specifically, the formulation is a single-phase liquid surfactant package which comprises a surfactant and optionally one or more secondary surfactants. Also provided are methods of using the stabilized injection fluids in stimulation operations.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: December 5, 2023
    Assignee: CHEVRON U.S.A. INC.
    Inventors: Dustin L. Walker, Gayani W. Pinnawala, Nabijan Nizamidin, Varadarajan Dwarakanath, Guo-Qing Tang, Dustin J. Lowry, Tetsuo Art Inouye, Taimur Malik
  • Use of a borate-acid buffer in oil and gas operations
    Patent number: 11787998
    Abstract: Provided herein are compositions comprising borate-acid buffers, as well as methods of using these compositions in oil and gas operations, including enhanced oil recovery (EOR) operations, fracturing operations, stimulation operations, etc.
    Type: Grant
    Filed: June 29, 2022
    Date of Patent: October 17, 2023
    Assignee: CHEVRON U.S.A. INC.
    Inventors: Nabijan Nizamidin, Gayani W. Pinnawala, Guo-Qing Tang, Varadarajan Dwarakanath, Gregory A. Winslow, Jordan Taylor Isbell, Taimur Malik
  • Injection fluids comprising a non-ionic surfactant for treating unconventional formations
    Patent number: 11760921
    Abstract: Embodiments of the disclosure include compositions and methods that stabilize a injection fluid when exposed to reservoir conditions, reducing formation damage and increasing the amount of hydrocarbon recovered. Specifically, the formulation is a single-phase liquid surfactant package which comprises a non-ionic surfactant and optionally one or more secondary surfactants.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: September 19, 2023
    Assignee: CHEVRON U.S.A. INC.
    Inventors: Dustin L. Walker, Gayani W. Pinnawala, Nabijan Nizamidin, Varadarajan Dwarakanath, Guo-Qing Tang, Dustin J. Lowry, Tetsuo Art Inouye, Taimur Malik
  • Injection fluids comprising an anionic surfactant for treating unconventional formations
    Patent number: 11753582
    Abstract: Described herein are compositions and methods that stabilize an injection fluid when exposed to reservoir conditions, reducing formation damage and increasing the amount of hydrocarbon recovered. Specifically, the formulation is a single-phase liquid surfactant package which comprises an anionic surfactant including a hydrophobic tail comprising from 6 to 60 carbon atoms and optionally one or more secondary surfactants.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: September 12, 2023
    Assignee: CHEVRON U.S.A. INC.
    Inventors: Dustin L. Walker, Gayani W. Pinnawala, Nabijan Nizamidin, Varadarajan Dwarakanath, Guo-Qing Tang, Dustin J. Lowry, Tetsuo Art Inouye, Taimur Malik
  • Modulators of complement activity
    Patent number: 11723949
    Abstract: The present disclosure relates to polypeptide modulators of complement activity, including cyclic polypeptide modulators. Included are methods of utilizing such modulators as therapeutics. Also provided are methods of measuring C5 and related complexes using C5 binding agents.
    Type: Grant
    Filed: August 12, 2021
    Date of Patent: August 15, 2023
    Assignee: Ra Pharmaceuticals, Inc.
    Inventors: Alonso Ricardo, Steven James DeMarco, Sylvia Tobe, Michelle Denise Hoarty, Robert Paul Hammer, Douglas A. Treco, Kathleen Seyb, Vaishnavi Rajagopal, Guo-Qing Tang, Douangsone D. Vadysirisack, Ramin Farzaneh-Far
  • Modulators of complement activity
    Patent number: 11707503
    Abstract: The present invention provides polypeptide modulators of complement activity, including cyclic polypeptide modulators. Also provided are methods of utilizing such modulators as therapeutics.
    Type: Grant
    Filed: January 7, 2021
    Date of Patent: July 25, 2023
    Assignee: Ra Pharmaceuticals, Inc.
    Inventors: Michelle Denise Hoarty, Ketki Ashok Dhamnaskar, Daniel Elbaum, Kristopher Josephson, Kelley Cronin Larson, Zhong Ma, Nathan Ezekiel Nims, Alonso Ricardo, Kathleen Seyb, Guo-Qing Tang, Douglas A. Treco, Zhaolin Wang, Ping Ye, Hong Zheng, Sarah Jacqueline Perlmutter
  • Complement Modulators and Related Methods
    Publication number: 20230115176
    Abstract: The present disclosure presents compounds and compositions that interact with complement components. Some compounds inhibit complement activity. Included are small molecule compounds and compositions that function as C5 inhibitor compounds. Methods for inhibiting complement activity and methods of treating complement-related indications with the C5 inhibitor compounds and compositions are provided.
    Type: Application
    Filed: March 27, 2020
    Publication date: April 13, 2023
    Inventors: Willmen Wing-Menn Youngsaye, Bolin Geng, Michael R. Hale, Vincent P. Galullo, Jayashree G. Tikhe, Timothy Ryan Siegert, Alonso Ricardo, Derek M. LaPlaca, Douangsone D. Vadysirisack, Guo-Qing Tang, Kathleen Seyb, Michelle Denise Hoarty, Jonathan C. Blain, Joseph R. Stringer, Yongjin Gong, Claudio Sturino, Shawn Gallagher-Duval, Colin Diner, Burcin Akgun, Qing Cao, Douglas A. Treco, Vaishnavi Rajagopal, Ketki Ashok Dhamnaskar, Zhong Ma, Susan Ashwell, Jennifer Davoren, Xiaorong Liu, Camil Sayegh, Wenqing Xu, Alex Lemire, Audrey Belouin, Alexandria Jeanneret, Andrew Hildering, Barbara Bertani, Fabrizio MIcheli, Bemardo Pezzati, Alfonso Pozzan
  • COMPOSITIONS AND METHODS FOR THE RECOVERY OF OIL UNDER HARSH CONDITIONS
    Publication number: 20230097814
    Abstract: Described herein are surfactant compositions for use in oil and gas operations. The surfactant compositions are stable under harsh conditions, including in formations that exhibit high salinity, high temperature, and/or high H2S concentration. Also provided are methods of using these compositions. Specifically an aqueous composition comprising: (i) a surfactant package, wherein the surfactant package comprises: (a) a surfactant comprising a branched, unbranched, saturated, or unsaturated C6-C32:80(0-65):PO(0-65):EO(0-100)-X having a concentration within the aqueous composition of from 0.05%-5% by weight, based on the total weight of the aqueous composition, wherein there is at least one BO, PO, or EO group, and wherein X comprises a sulfonate, a disulfonate, a carboxylate, a dicarboxylate, a sulfosuccinate, a disulfosuccinate, or hydrogen: and (b) olefin sulfonate and/or a disulfonate; and (ii) water.
    Type: Application
    Filed: January 25, 2021
    Publication date: March 30, 2023
    Inventors: Gayani W. PINNAWALA, Nabijan NIZAMIDIN, Varadarajan DWARAKANATH, Guo-Qing TANG, Aaron WILHELM, Scott P. WEST
  • Modulation of complement activity
    Patent number: 11535650
    Abstract: The present invention provides modulators of complement activity. Also provided are methods of utilizing such modulators as therapeutics.
    Type: Grant
    Filed: April 19, 2022
    Date of Patent: December 27, 2022
    Assignee: RA PHARMACEUTICALS, INC.
    Inventors: Michelle Denise Hoarty, Ketki Ashok Dhamnaskar, Daniel Elbaum, Kristopher Josephson, Kelley Cronin Larson, Zhong Ma, Nathan Ezekiel Nims, Alonso Ricardo, Kathleen Seyb, Guo-Qing Tang, Douglas A. Treco, Zhaolin Wang, Ping Ye, Hong Zheng, Sarah Jacqueline Perlmutter, Robert Paul Hammer
  • NEUROLOGICAL DISEASE TREATMENT WITH COMPLEMENT INHIBITORS
    Publication number: 20220370548
    Abstract: The present disclosure provides methods of treating inflammatory indications with complement inhibitor compounds and compositions. Included are compounds and methods for treating amyotrophic lateral sclerosis (ALS).
    Type: Application
    Filed: September 11, 2020
    Publication date: November 24, 2022
    Inventors: Simon J. READ, Alonso RICARDO, Camil SAYEGH, Xiangyang XU, Yalan TANG, Guo-Qing TANG
  • USE OF A BORATE-ACID BUFFER IN OIL AND GAS OPERATIONS
    Publication number: 20220333003
    Abstract: Provided herein are compositions comprising borate-acid buffers, as well as methods of using these compositions in oil and gas operations, including enhanced oil recovery (EOR) operations, fracturing operations, stimulation operations, etc.
    Type: Application
    Filed: June 29, 2022
    Publication date: October 20, 2022
    Inventors: Nabijan Nizamidin, Gayani W. Pinnawala, Guo-Qing Tang, Varadarajan Dwarakanath, Gregory A. Winslow, Jordan Taylor Isbell, Taimur Malik
  • MODULATORS OF COMPLEMENT ACTIVITY
    Publication number: 20220233632
    Abstract: The present disclosure relates to polypeptide modulators of complement activity, including cyclic polypeptide modulators. Included are methods of utilizing such modulators as therapeutics. Also provided are methods of measuring C5 and related complexes using C5 binding agents.
    Type: Application
    Filed: August 12, 2021
    Publication date: July 28, 2022
    Inventors: Alonso Ricardo, Steven James DeMarco, Sylvia Tobe, Michelle Denise Hoarty, Robert Paul Hammer, Douglas A. Treco, Kathleen Seyb, Vaishnavi Rajagopal, Guo-Qing Tang, Douangsone D. Vadysirisack, Ramin Farzaneh-Far
  • Expression cassette and host cell for expressing a Vip3-interacting protein
    Patent number: 11384125
    Abstract: This invention provides polypeptides that were identified as interacting with Vip3 toxin. This invention also provides a method of identifying agents that bind to Vip3 interacting polypeptides, which agents may act as insecticidal agent, cytotoxic agents and/or modulate the activity of Vip3 interacting polypeptides.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: July 12, 2022
    Assignee: Syngenta Participations AG
    Inventors: Milan Jucovic, Renshui Liu, Richard Sessler, Guo-Qing Tang, Jeng Shong Chen
  • Use of a borate-acid buffer in oil and gas operations
    Patent number: 11377586
    Abstract: Provided herein are compositions comprising borate-acid buffers, as well as methods of using these compositions in oil and gas operations, including enhanced oil recovery (EOR) operations, fracturing operations, stimulation operations, etc.
    Type: Grant
    Filed: July 31, 2019
    Date of Patent: July 5, 2022
    Assignee: Chevron U.S.A. Inc.
    Inventors: Nabijan Nizamidin, Gayani W. Pinnawala, Guo-Qing Tang, Varadarajan Dwarakanath, Gregory A. Winslow, Jordan Taylor Isbell, Taimur Malik
  • Compositions and methods for modulating expression of nucleic acids
    Patent number: 11312970
    Abstract: The invention relates to synthetic miRNA precursor molecules and methods for the use of the miRNA precursor molecules in modulating the expression of target polynucleotides.
    Type: Grant
    Filed: December 11, 2015
    Date of Patent: April 26, 2022
    Assignee: Syngenta Participations AG
    Inventors: Guo-Qing Tang, Xiang Huang
  • Modulators of complement activity
    Patent number: 11123399
    Abstract: The present disclosure relates to polypeptide modulators of complement activity, including cyclic polypeptide modulators. Included are methods of utilizing such modulators as therapeutics. Also provided are methods of measuring C5 and related complexes using C5 binding agents.
    Type: Grant
    Filed: December 7, 2017
    Date of Patent: September 21, 2021
    Assignee: RA PHARMACEUTICALS, INC.
    Inventors: Alonso Ricardo, Steven James DeMarco, Sylvia Tobe, Michelle Denise Hoarty, Robert Paul Hammer, Douglas A. Treco, Kathleen Seyb, Vaishnavi Rajagopal, Guo-Qing Tang, Douangsone D. Vadysirisack, Ramin Farzaneh-Far
  • MODULATORS OF COMPLEMENT ACTIVITY
    Publication number: 20210283212
    Abstract: The present invention provides polypeptide modulators of complement activity, including cyclic polypeptide modulators. Also provided are methods of utilizing such modulators as therapeutics.
    Type: Application
    Filed: January 7, 2021
    Publication date: September 16, 2021
    Inventors: Michelle Denise Hoarty, Ketki Ashok Dhamnaskar, Daniel Elbaum, Kristopher Josephson, Kelley Cronin Larson, Zhong Ma, Nathan Ezekiel Nims, Alonso Ricardo, Kathleen Seyb, Guo-Qing Tang, Douglas A. Treco, Zhaolin Wang, Ping Ye, Hong Zheng, Sarah Jacqueline Perlmutter
  • MODULATION OF COMPLEMENT ACTIVITY
    Publication number: 20210246167
    Abstract: The present invention provides modulators of complement activity. Also provided are methods of utilizing such modulators as therapeutics.
    Type: Application
    Filed: April 21, 2021
    Publication date: August 12, 2021
    Inventors: Michelle Denise Hoarty, Ketki Ashok Dhamnaskar, Daniel Elbaum, Kristopher Josephson, Kelley Cronin Larson, Zhong Ma, Nathan Ezekiel Nims, Alonso Ricardo, Kathleen Seyb, Guo-Qing Tang, Douglas A. Treco, Zhaolin Wang, Ping Ye, Hong Zheng, Sarah Jacqueline Perlmutter, Robert Paul Hammer