Patents by Inventor Xiaoxia Zheng

Xiaoxia Zheng 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: 20240145712
    Abstract: A carbon material includes a porous carbon substrate and an amorphous carbon layer provided on at least part of a surface of the porous carbon substrate.
    Type: Application
    Filed: January 10, 2024
    Publication date: May 2, 2024
    Inventors: Yu MA, Xiaoxia CHEN, Xiaoji ZHENG
  • Publication number: 20240074882
    Abstract: The disclosure provides biodegradable implantable devices such as a stent comprising a biodegradable polymeric material wherein the polymeric material is treated to control crystallinity and/or Tg. The stent is capable of expanding at body temperature in a body lumen from a crimped configuration to a deployed diameter and will have sufficient strength to support a body lumen when expanded.
    Type: Application
    Filed: March 30, 2022
    Publication date: March 7, 2024
    Applicant: Elixir Medical Corporation
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Publication number: 20230293540
    Abstract: Devices, formulations, compositions, and methods are provided for inhibiting an inflammatory ophthalmic disease or eye condition in a patient. A therapeutic composition comprising a direct factor Xa inhibitor and/or a direct factor II inhibitor is provided. A therapeutically effective dose of the therapeutic composition is delivered to a site of the inflammatory ophthalmic disease or condition in the patient’s eye(s). The therapeutic composition may be formulated for delivery to the patient by via injection, an implant, an eye drop, an emulsion, a suspension, an ointment, a nanomicelle, a nanoparticle, a nanosuspension, a liposome, an in-situ gel, a contact lens, or a microneedle or the like. The therapeutic composition may include one or more additional therapeutically active substances and/or one or more additional pharmaceutical agents.
    Type: Application
    Filed: March 6, 2023
    Publication date: September 21, 2023
    Applicant: Elixir Medical Corporation
    Inventors: John Yan, Xiaoxia Zheng, Vinayak D. Bhat, Motasim Sirhan, Margaret Wong, Blaine Bueche
  • Publication number: 20230190499
    Abstract: Devices, systems, and methods are provided including a structure having one or more surfaces configured for internal use within a patient's body and one or more therapeutic compositions comprising one or more active substances including a direct factor Xa inhibitor, and a direct factor IIa inhibitor disposed in or on the structure. The structure is configured to be positioned adjacent an injury site in the patient's body. The one or more active substances optionally include an anti-proliferative agent. The therapeutic composition is formulated to release the one or more active substances to the injury site to provide one or more of inhibit clot formation, promote clot dissolution, inhibit or dissolute inflammation, inhibit vessel injury, increase time before clotting, and/or inhibit cell proliferation.
    Type: Application
    Filed: February 6, 2023
    Publication date: June 22, 2023
    Applicant: Elixir Medical Corporation
    Inventors: Motasim Sirhan, Xiaoxia Zheng, Vinayak D. Bhat, John Yan
  • Publication number: 20230165874
    Abstract: Devices, compositions, and methods are provided for inhibiting an inflammatory, fibrotic, and/or clot formation for pulmonary disease or condition in a patient. A therapeutic composition comprising a direct factor Xa inhibitor and/or a direct factor IIa inhibitor is provided. A therapeutically effective dose of the therapeutic composition is delivered to a site of the inflammatory, fibrotic, and/or clot formation pulmonary disease or condition in the patient's lung(s). The therapeutic composition may be formulated for delivery to the patient by inhalation, ventilation, instillation, ultrasound, vibration, injection, or the like. The therapeutic composition may include one or more additional therapeutically active substances and/or one or more additional pharmaceutical agents.
    Type: Application
    Filed: January 27, 2023
    Publication date: June 1, 2023
    Applicant: Elixir Medical Corporation
    Inventors: John Yan, Xiaoxia Zheng, Vinayak D. Bhat, Motasim Sirhan, Blaine Bueche
  • Publication number: 20230165839
    Abstract: The present invention provides a pharmaceutical composition comprising a pharmaceutically acceptable excipient and a compound of the formula: wherein R1, R2, R3, R5, R6, R8, M1, M2, M3, M4, M5, M6 and M7 are each independently a member selected from the group consisting of H, C1-6 alkyl, OH and C1-6 hydroxyalkyl; R4, R7 and R9 are each independently selected from the group consisting of C1-6 alkoxy and OH; R10 is a member selected from the group consisting of H, —OH, —OP(O)Me2, —O—(CH2)n—OH and —O—(CH2)m—O—(CH2)o—CH3, wherein subscripts n and m are each independently from 2 to 8 and subscript o is from 1 to 6; each of L1 and L4 are independently selected from the group consisting of: wherein each M8 is independently a member selected from the group consisting of C1-6 alkyl, OH and C1-6 hydroxyalkyl; each of L2 and L3 are independently selected from the group consisting of: and salts, hydrates, isomers, metabolites, N-oxides and prodrugs thereof.
    Type: Application
    Filed: September 9, 2022
    Publication date: June 1, 2023
    Applicant: Elixir Medical Corporation
    Inventors: John Yan, Xiaoxia Zheng, Vinayak D. Bhat
  • Patent number: 11654036
    Abstract: Devices, systems, and methods are provided including a structure having one or more surfaces configured for internal use within a patient's body and one or more therapeutic compositions comprising one or more active substances including a direct factor Xa inhibitor, and a direct factor IIa inhibitor disposed in or on the structure. The structure is configured to be positioned adjacent an injury site in the patient's body. The one or more active substances optionally include an anti-proliferative agent. The therapeutic composition is formulated to release the one or more active substances to the injury site to provide one or more of inhibit clot formation, promote clot dissolution, inhibit or dissolute inflammation, inhibit vessel injury, increase time before clotting, and/or inhibit cell proliferation.
    Type: Grant
    Filed: August 13, 2021
    Date of Patent: May 23, 2023
    Assignee: Elixir Medical Corporation
    Inventors: Motasim Sirhan, Xiaoxia Zheng, Vinayak D. Bhat, John Yan
  • Publication number: 20220039976
    Abstract: Devices, systems, and methods are provided including a structure having one or more surfaces configured for internal use within a patient's body and one or more therapeutic compositions comprising one or more active substances including a direct factor Xa inhibitor, and a direct factor IIa inhibitor disposed in or on the structure. The structure is configured to be positioned adjacent an injury site in the patient's body. The one or more active substances optionally include an anti-proliferative agent. The therapeutic composition is formulated to release the one or more active substances to the injury site to provide one or more of inhibit clot formation, promote clot dissolution, inhibit or dissolute inflammation, inhibit vessel injury, increase time before clotting, and/or inhibit cell proliferation.
    Type: Application
    Filed: August 13, 2021
    Publication date: February 10, 2022
    Applicant: Elixir Medical Corporation
    Inventors: John Yan, Xiaoxia Zheng, Vinayak D. Bhat, Motasim Sirhan
  • Publication number: 20210008040
    Abstract: The present invention provides a pharmaceutical composition comprising a pharmaceutically acceptable excipient and a compound of the formula: wherein R1, R2, R3, R5, R6, R8, M1, M2, M3, M4, M5, M6 and M7 are each independently a member selected from the group consisting of H, C1-6 alkyl, —OH and C1-6 hydroxyalkyl; R4, R7 and R9 are each independently selected from the group consisting of C1-6 alkoxy and OH; R10 is a member selected from the group consisting of H, —OH, —OP(O)Me2, —O—(CH2)n—OH and —O—(CH2)m—O—(CH2)o—CH3, wherein subscripts n and m are each independently from 2 to 8 and subscript o is from 1 to 6; each of L1 and L4 are independently selected from the group consisting of: wherein each M8 is independently a member selected from the group consisting of C1-6 alkyl, OH and C1-6 hydroxyalkyl; each of L2 and L3 are independently selected from the group consisting of: and salts, hydrates, isomers, metabolites, N-oxides and prodrugs thereof.
    Type: Application
    Filed: May 20, 2020
    Publication date: January 14, 2021
    Applicant: Elixir Medical Corporation
    Inventors: John Yan, Xiaoxia Zheng, Vinayak D. Bhat
  • Patent number: 10695327
    Abstract: A pharmaceutical composition comprising a pharmaceutically acceptable excipient and a compound of the formula: wherein R1, R2, R3, R5, R6, R8, M1, M2, M3, M4, M5, M6 and M7 are each independently a member selected from the group consisting of H, C1-6 alkyl, OH and C1-6 hydroxyalkyl; R4, R7 and R9 are each independently selected from the group consisting of C1-6 alkoxy and OH; R10 is a member selected from the group consisting of H, —OH, —OP(O)Me2, —O—(CH2)n—OH and —O—(CH2)m—O—(CH2)o—CH3, wherein subscripts n and m are each independently from 2 to 8 and subscript o is from 1 to 6; each of L1 and L4 are independently selected from the group consisting of: wherein each M8 is independently a member selected from the group consisting of C1-6 alkyl, OH and C1-6 hydroxyalkyl; each of L2 and L3 are independently selected from the group consisting of: and salts, isomers, or N-oxides thereof.
    Type: Grant
    Filed: October 8, 2018
    Date of Patent: June 30, 2020
    Assignee: Elixir Medical Corporation
    Inventors: John Yan, Xiaoxia Zheng, Vinayak D. Bhat
  • Publication number: 20200093619
    Abstract: The disclosure provides biodegradable implantable devices such as a stent comprising a biodegradable polymeric wherein the polymeric material is treated to control crystallinity and/or Tg. The stent is capable to expand at body temperature in a body lumen from a crimped configuration to a deployed diameter and have sufficient strength to support a body lumen.
    Type: Application
    Filed: February 20, 2018
    Publication date: March 26, 2020
    Applicant: Elixir Medical Corporation
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Publication number: 20190275013
    Abstract: The present invention provides a pharmaceutical composition comprising a pharmaceutically acceptable excipient and a compound of the formula: wherein R1, R2, R3, R5, R6, R8, M1, M2, M3, M4, M5, M6 and M7 are each independently a member selected from the group consisting of H, C1-6 alkyl, OH and C1-6 hydroxyalkyl; R4, R7 and R9 are each independently selected from the group consisting of C1-6 alkoxy and OH; R10 is a member selected from the group consisting of H, —OH, —OP(O)Me2, —O—(CH2)n—OH and —O—(CH2)m—O—(CH2)o—CH3, wherein subscripts n and m are each independently from 2 to 8 and subscript o is from 1 to 6; each of L1 and L4 are independently selected from the group consisting of: wherein each M8 is independently a member selected from the group consisting of C1-6 alkyl, OH and C1-6 hydroxyalkyl; each of L2 and L3 are independently selected from the group consisting of: and salts, hydrates, isomers, metabolites, N-oxides and prodrugs thereof.
    Type: Application
    Filed: October 8, 2018
    Publication date: September 12, 2019
    Applicant: Elixir Medical Corporation
    Inventors: John Yan, Xiaoxia Zheng, Vinayak D. Bhat
  • Patent number: 10123996
    Abstract: A pharmaceutical composition comprising a pharmaceutically acceptable excipient and a compound of the formula: wherein R1, R2, R3, R5, R6, R8, M1, M2, M3, M4, M5, M6 and M7 are each independently a member selected from the group consisting of H, C1-6 alkyl, OH and C1-6 hydroxyalkyl; R4, R7 and R9 are each independently selected from the group consisting of C1-6 alkoxy and OH; R10 is a member selected from the group consisting of H, —OH, —OP(O)Me2, —O—(CH2)n—OH and —O—(CH2)m—O—(CH2)o—CH3, wherein subscripts n and m are each independently from 2 to 8 and subscript o is from 1 to 6; each of L1 and L4 are independently selected from the group consisting of: wherein each M8 is independently a member selected from the group consisting of C1-6 alkyl, OH and C1-6 hydroxyalkyl; each of L2 and L3 are independently selected from the group consisting of: and salts, isomers, or N-oxides thereof.
    Type: Grant
    Filed: June 13, 2016
    Date of Patent: November 13, 2018
    Assignee: Elixir Medical Corporation
    Inventors: John Yan, Xiaoxia Zheng, Vinayak D. Bhat
  • Publication number: 20170156899
    Abstract: The disclosure provides biodegradable implantable devices such as a stent comprising a biodegradable polymeric wherein the polymeric material is treated to control crystallinity and/or Tg. The stent is capable to expand at body temperature in a body lumen from a crimped configuration to a deployed diameter and have sufficient strength to support a body lumen.
    Type: Application
    Filed: January 31, 2017
    Publication date: June 8, 2017
    Applicant: Elixir Medical Corporation
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Publication number: 20170119741
    Abstract: The present invention provides a pharmaceutical composition comprising a pharmaceutically acceptable excipient and a compound of the formula: wherein R1, R2, R3, R5, R6, R8, M1, M2, M3, M4, M5, M6 and M7 are each independently a member selected from the group consisting of H, C1-6 alkyl, OH and C1-6 hydroxyalkyl; R4, R7 and R9 are each independently selected from the group consisting of C1-6 alkoxy and OH; R10 is a member selected from the group consisting of H, —OH, —OP(O)Me2, —O—(CH2)n—OH and —O—(CH2)m—O—(CH2)o—CH3, wherein subscripts n and m are each independently from 2 to 8 and subscript o is from 1 to 6; each of L1 and L4 are independently selected from the group consisting of: wherein each M8 is independently a member selected from the group consisting of C1-6 alkyl, OH and C1-6 hydroxyalkyl; each of L2 and L3 are independently selected from the group consisting of: and salts, hydrates, isomers, metabolites, N-oxides and prodrugs thereof.
    Type: Application
    Filed: June 13, 2016
    Publication date: May 4, 2017
    Inventors: John Yan, Xiaoxia Zheng, Vinayak D. Bhat
  • Patent number: 9566371
    Abstract: The disclosure provides biodegradable implantable devices such as a stent comprising a biodegradable polymeric wherein the polymeric material is treated to control crystallinity and/or Tg. The stent is capable to expand at body temperature in a body lumen from a crimped configuration to a deployed diameter and have sufficient strength to support a body lumen.
    Type: Grant
    Filed: July 21, 2015
    Date of Patent: February 14, 2017
    Assignee: Elixir Medical Corporation
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Publication number: 20160278953
    Abstract: The disclosure provides biodegradable implantable devices such as a stent comprising a biodegradable polymeric wherein the polymeric material is treated to control crystallinity and/or Tg. The stent is capable to expand at body temperature from a crimped configuration to a deployed diameter and have sufficient strength to support a body lumen.
    Type: Application
    Filed: June 9, 2016
    Publication date: September 29, 2016
    Inventors: Xiaoxia ZHENG, John YAN, Vinayak BHAT
  • Publication number: 20160213499
    Abstract: Biodegradable stent prosthesis are formed as a tubular body comprising a biodegradable polymeric material. The stent prosthesis are expandable from a crimped configuration to an expanded configuration and have a radial strength and a conformability.
    Type: Application
    Filed: January 23, 2015
    Publication date: July 28, 2016
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat
  • Publication number: 20160175288
    Abstract: The present invention provides a device for intracorporeal use including an implant or a temporary device and at least one source of a compound myolimus, or a derivative thereof. The present invention also provides a method of inhibiting cell proliferation by local administration of a therapeutically effective amount of a compound myolimus, or a derivative thereof. Further included in the present invention is a method of treating an ophthalmic condition or disease by administering a therapeutically effective amount of a compound myolimus, or a derivative thereof.
    Type: Application
    Filed: February 29, 2016
    Publication date: June 23, 2016
    Inventors: John Yan, Xiaoxia Zheng, Vinayak Bhat
  • Publication number: 20160067389
    Abstract: Biodegradable endoprostheses are formed from amorphous polymers having desirable biodegradation characteristics. The strength of such amorphous polymers is enhanced by annealing to increase crystallinity without substantially increasing the biodegradation time.
    Type: Application
    Filed: November 18, 2015
    Publication date: March 10, 2016
    Inventors: Xiaoxia Zheng, John Yan, Vinayak Bhat