Patents by Inventor Yeon S. CHOI

Yeon S. CHOI 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: 20230218799
    Abstract: Provided herein are in vivo gelling ophthalmic pre-formulations forming a biocompatible retinal patch comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and optionally a therapeutic agent and/or viscosity enhancer. In some embodiments, the retinal patch at least partially adheres to the site of a retinal tear. Also provided herein are methods of treating retinal detachment by delivering an in vivo gelling ophthalmic pre-formulation to the site of a retinal tear in human eye, wherein the in vivo gelling ophthalmic pre-formulation forms a retinal patch.
    Type: Application
    Filed: January 10, 2023
    Publication date: July 13, 2023
    Inventors: Syed H. Askari, Yeon S. Choi
  • Publication number: 20230124472
    Abstract: The invention encompasses a nontoxic agricultural formulation of a concentrated liquid suspension comprising a drying oil and suspended particulate materials further comprising an additional material; and also encompasses an aqueous formulation comprising the concentrated liquid suspension and an agricultural treatment agent. The invention additionally encompasses methods of treating an agricultural target.
    Type: Application
    Filed: September 21, 2022
    Publication date: April 20, 2023
    Inventors: Damian Hajduk, Anne Feng Xie, Brian Lin, Yeon S. Choi, Matheus Geraldo Pires de Mello Ribeiro, Yuliani Sanjaya
  • Patent number: 11596710
    Abstract: Provided herein are in vivo gelling ophthalmic pre-formulations forming a biocompatible retinal patch comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and optionally a therapeutic agent and/or viscosity enhancer. In some embodiments, the retinal patch at least partially adheres to the site of a retinal tear. Also provided herein are methods of treating retinal detachment by delivering an in vivo gelling ophthalmic pre-formulation to the site of a retinal tear in human eye, wherein the in vivo gelling ophthalmic pre-formulation forms a retinal patch.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: March 7, 2023
    Inventors: Syed H. Askari, Yeon S. Choi
  • Patent number: 11083821
    Abstract: Provided herein are biocompatible hydrogel polymers capable of gelling in vivo comprising a therapeutic agent such as a protein or other biomolecule and kits comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and at least one therapeutic agent. The biocompatible hydrogel polymer is bioabsorbable and releases the therapeutic agent at a target site, avoiding systemic exposure and achieving a controlled delivery.
    Type: Grant
    Filed: September 28, 2018
    Date of Patent: August 10, 2021
    Assignee: C.P. Medical Corporation
    Inventors: Syed H. Askari, Yeon S. Choi, George Horng
  • Publication number: 20210212250
    Abstract: The invention encompasses a nontoxic agricultural formulation of a concentrated liquid suspension comprising a drying oil and suspended particulate materials, and also encompasses an aqueous formulation comprising the concentrated liquid suspension and an agricultural treatment agent. The invention additionally encompasses methods of treating an agricultural target.
    Type: Application
    Filed: January 12, 2021
    Publication date: July 15, 2021
    Inventors: Damian Hajduk, Anne Feng Xie, Brian Lin, Yeon S. Choi, Matheus Geraldo Pires de Mello Ribeiro
  • Publication number: 20200316249
    Abstract: Provided herein are in vivo gelling ophthalmic pre-formulations forming a biocompatible retinal patch comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and optionally a therapeutic agent and/or viscosity enhancer. In some embodiments, the retinal patch at least partially adheres to the site of a retinal tear. Also provided herein are methods of treating retinal detachment by delivering an in vivo gelling ophthalmic pre-formulation to the site of a retinal tear in human eye, wherein the in vivo gelling ophthalmic pre-formulation forms a retinal patch.
    Type: Application
    Filed: December 6, 2019
    Publication date: October 8, 2020
    Inventors: Syed H. Askari, Yeon S. Choi
  • Publication number: 20200000959
    Abstract: Provided herein are pre-formulations forming a biocompatible hydrogel polymer comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and optionally a therapeutic agent and/or viscosity enhancer. In some embodiments, the biocompatible hydrogel polymer covers a wound in a mammal and adheres to the surrounding skin tissue. In other embodiments, the hydrogel polymer is delivered into a joint space to treat joint disease or navicular disease.
    Type: Application
    Filed: February 1, 2019
    Publication date: January 2, 2020
    Inventors: Syed H. ASKARI, YEON S. CHOI, Paul YuJen WAN
  • Patent number: 10507262
    Abstract: Provided herein are in vivo gelling ophthalmic pre-formulations forming a biocompatible retinal patch comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and optionally a therapeutic agent and/or viscosity enhancer. In some embodiments, the retinal patch at least partially adheres to the site of a retinal tear. Also provided herein are methods of treating retinal detachment by delivering an in vivo gelling ophthalmic pre-formulation to the site of a retinal tear in human eye, wherein the in vivo gelling ophthalmic pre-formulation forms a retinal patch.
    Type: Grant
    Filed: March 23, 2017
    Date of Patent: December 17, 2019
    Assignee: C.P. MEDICAL CORPORATION
    Inventors: Syed H. Askari, Yeon S. Choi
  • Publication number: 20190290804
    Abstract: Provided herein are biocompatible hydrogel polymers capable of gelling in vivo comprising a therapeutic agent such as a protein or other biomolecule and kits comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and at least one therapeutic agent. The biocompatible hydrogel polymer is bioabsorbable and releases the therapeutic agent at a target site, avoiding systemic exposure and achieving a controlled delivery.
    Type: Application
    Filed: September 28, 2018
    Publication date: September 26, 2019
    Inventors: Syed H. Askari, Yeon S. Choi, George Horng
  • Patent number: 10111985
    Abstract: Provided herein are biocompatible hydrogel polymers capable of gelling in vivo comprising a therapeutic agent such as a protein or other biomolecule and kits comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and at least one therapeutic agent. The biocompatible hydrogel polymer is bioabsorbable and releases the therapeutic agent at a target site, avoiding systemic exposure and achieving a controlled delivery.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: October 30, 2018
    Assignee: MEDICUS BIOSCIENCES, LLC
    Inventors: Syed H. Askari, Yeon S. Choi, George Horng
  • Publication number: 20180228936
    Abstract: Provided herein are in vivo gelling ophthalmic pre-formulations forming a biocompatible retinal patch comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and optionally a therapeutic agent and/or viscosity enhancer. In some embodiments, the retinal patch at least partially adheres to the site of a retinal tear. Also provided herein are methods of treating retinal detachment by delivering an in vivo gelling ophthalmic pre-formulation to the site of a retinal tear in human eye, wherein the in vivo gelling ophthalmic pre-formulation forms a retinal patch.
    Type: Application
    Filed: March 23, 2017
    Publication date: August 16, 2018
    Inventors: Syed H. Askari, Yeon S. Choi
  • Publication number: 20180036452
    Abstract: Provided herein are in vivo gelling ophthalmic pre-formulations forming a biocompatible retinal patch comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and optionally a therapeutic agent and/or viscosity enhancer. In some embodiments, the retinal patch at least partially adheres to the site of a retinal tear. Also provided herein are methods of treating retinal detachment by delivering an in vivo gelling ophthalmic pre-formulation to the site of a retinal tear in human eye, wherein the in vivo gelling ophthalmic pre-formulation forms a retinal patch.
    Type: Application
    Filed: March 23, 2017
    Publication date: February 8, 2018
    Inventors: Syed H. Askari, Yeon S. Choi
  • Patent number: 9623144
    Abstract: Provided herein are in vivo gelling ophthalmic pre-formulations forming a biocompatible retinal patch comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and optionally a therapeutic agent and/or viscosity enhancer. In some embodiments, the retinal patch at least partially adheres to the site of a retinal tear. Also provided herein are methods of treating retinal detachment by delivering an in vivo gelling ophthalmic pre-formulation to the site of a retinal tear in human eye, wherein the in vivo gelling ophthalmic pre-formulation forms a retinal patch.
    Type: Grant
    Filed: May 27, 2015
    Date of Patent: April 18, 2017
    Assignee: MEDICUS BIOSCIENCES LLC
    Inventors: Syed H. Askari, Yeon S. Choi
  • Patent number: 9149560
    Abstract: Provided herein are pre-formulations forming a biocompatible hydrogel polymer comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and optionally a therapeutic agent and/or viscosity enhancer. In some embodiments, the biocompatible hydrogel polymer covers a wound in a mammal and adheres to the surrounding skin tissue. In other embodiments, the hydrogel polymer is delivered into a joint space to treat joint disease or navicular disease.
    Type: Grant
    Filed: February 10, 2015
    Date of Patent: October 6, 2015
    Assignee: Medicus Biosciences LLC
    Inventors: Syed H. Askari, Yeon S. Choi, Paul YuJen Wan
  • Publication number: 20150272987
    Abstract: Provided herein are pre-formulations forming a biocompatible hydrogel polymer comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and optionally a therapeutic agent and/or viscosity enhancer. In some embodiments, the biocompatible hydrogel polymer covers a wound in a mammal and adheres to the surrounding skin tissue. In other embodiments, the hydrogel polymer is delivered into a joint space to treat joint disease or navicular disease.
    Type: Application
    Filed: June 15, 2015
    Publication date: October 1, 2015
    Inventors: Syed H. ASKARI, Yeon S. CHOI, Paul YuJen WAN
  • Publication number: 20150273108
    Abstract: Provided herein are in vivo gelling ophthalmic pre-formulations forming a biocompatible retinal patch comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and optionally a therapeutic agent and/or viscosity enhancer. In some embodiments, the retinal patch at least partially adheres to the site of a retinal tear. Also provided herein are methods of treating retinal detachment by delivering an in vivo gelling ophthalmic pre-formulation to the site of a retinal tear in human eye, wherein the in vivo gelling ophthalmic pre-formulation forms a retinal patch.
    Type: Application
    Filed: May 27, 2015
    Publication date: October 1, 2015
    Inventors: Syed H. ASKARI, Yeon S. CHOI
  • Publication number: 20150190544
    Abstract: Provided herein are pre-formulations forming a biocompatible hydrogel polymer comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and optionally a therapeutic agent and/or viscosity enhancer. In some embodiments, the biocompatible hydrogel polymer covers a wound in a mammal and adheres to the surrounding skin tissue. In other embodiments, the hydrogel polymer is delivered into a joint space to treat joint disease or navicular disease.
    Type: Application
    Filed: February 10, 2015
    Publication date: July 9, 2015
    Inventors: Syed H. ASKARI, Yeon S. CHOI, Paul YuJen WAN
  • Patent number: 9072809
    Abstract: Provided herein are in vivo gelling ophthalmic pre-formulations forming a biocompatible retinal patch comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and optionally a therapeutic agent and/or viscosity enhancer. In some embodiments, the retinal patch at least partially adheres to the site of a retinal tear. Also provided herein are methods of treating retinal detachment by delivering an in vivo gelling ophthalmic pre-formulation to the site of a retinal tear in human eye, wherein the in vivo gelling ophthalmic pre-formulation forms a retinal patch.
    Type: Grant
    Filed: May 8, 2014
    Date of Patent: July 7, 2015
    Assignee: MEDICAL BIOSCIENCES LLC
    Inventors: Syed H. Askari, Yeon S. Choi
  • Patent number: 8987339
    Abstract: Provided herein are pre-formulations forming a biocompatible hydrogel polymer comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and optionally a therapeutic agent and/or viscosity enhancer. In some embodiments, the biocompatible hydrogel polymer covers a wound in a mammal and adheres to the surrounding skin tissue. In other embodiments, the hydrogel polymer is delivered into a joint space to treat joint disease or navicular disease.
    Type: Grant
    Filed: March 14, 2014
    Date of Patent: March 24, 2015
    Assignee: Medicus Biosciences LLC
    Inventors: Syed H. Askari, Yeon S. Choi
  • Publication number: 20140302051
    Abstract: Provided herein are biocompatible hydrogel polymers capable of gelling in vivo comprising a therapeutic agent such as a protein or other biomolecule and kits comprising at least one nucleophilic compound or monomer unit, at least one electrophilic compound or monomer unit, and at least one therapeutic agent. The biocompatible hydrogel polymer is bioabsorbable and releases the therapeutic agent at a target site, avoiding systemic exposure and achieving a controlled delivery.
    Type: Application
    Filed: August 9, 2012
    Publication date: October 9, 2014
    Applicant: Medicus Biosciences, LLC
    Inventors: Syed H. Askari, Yeon S. Choi, George Horng