Patents by Inventor Seok Rye Choi

Seok Rye 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: 20240139350
    Abstract: A radioactively labeled ligand for a fibroblast activation protein-alpha imaging agent and a preparation method therefor are provided. The radioactively labeled ligand for the fibroblast activation protein-alpha imaging agent has structural formal (I). The compound has a good 68Ga labeling property, a high stability and a good affinity for FAP tumors. The radioactively labeled ligand for 68Ga-labeled FAPi can be used as a tumor positron imaging agent.
    Type: Application
    Filed: February 1, 2021
    Publication date: May 2, 2024
    Inventors: Hank F KUNG, Zhihao ZHA, Karl PLOESSL, Seok Rye CHOI, David ALEXOFF
  • Publication number: 20220125959
    Abstract: The present disclosure relates to compounds according to Formula I. These compounds display very good binding affinities to the PSMA binding sites. They comprise a radioactive isotope or a chelating moiety that can be labeled with a radioactive metal such as [68Ga]or [177Lu]. The present disclosure also relates to pharmaceutical compositions comprising a pharmaceutical acceptable carrier and a compound of Formula I or a complex thereof, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: April 27, 2020
    Publication date: April 28, 2022
    Inventors: Hank F. KUNG, Zhihao ZHA, Karl PLOESSL, Seok Rye CHOI
  • Publication number: 20210346526
    Abstract: The present invention relates to deuterated compounds according to Formula I-A, Formula II-A, Formula II-D, and Formula III-A. These compounds can be used as PET imaging agents for evaluating Parkinson's Disease, Alzheimer Disease, and for determining specific serotonin reuptake inhibitor (SSRIi) activity for treatment of depression. The present invention also relates to pharmaceutical compositions comprising a pharmaceutical acceptable carrier and a compound of Formula I-A, Formulae II-A, Formula II-D, or Formula III-A, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: July 26, 2021
    Publication date: November 11, 2021
    Inventors: Zehui WU, Zhihao ZHA, Futao LIU, Karl PLOESSL, Seok Rye CHOI, Hank F. KUNG
  • Patent number: 11071794
    Abstract: The present invention relates to deuterated compounds according to Formula I-A, Formula II-A, Formula II-D, and Formula III-A. These compounds can be used as PET imaging agents for evaluating Parkinson's Disease, Alzheimer Disease, and for determining specific serotonin reuptake inhibitor (SSRIi) activity for treatment of depression. The present invention also relates to pharmaceutical compositions comprising a pharmaceutical acceptable carrier and a compound of Formula I-A, Formulae II-A, Formula II-D, or Formula III-A, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: March 19, 2020
    Date of Patent: July 27, 2021
    Assignee: Five Eleven Pharma Inc.
    Inventors: Zehui Wu, Zhihao Zha, Futao Liu, Karl Ploessl, Seok Rye Choi, Hank F. Kung
  • Patent number: 10912849
    Abstract: The present invention relates to deuterated compounds according to Formula I-A, Formula II-A, Formula II-D, and Formula III-A. These compounds can be used as PET imaging agents for evaluating Parkinson's Disease, Alzheimer Disease, and for determining specific serotonin reuptake inhibitor (SSRIi) activity for treatment of depression. The present invention also relates to pharmaceutical compositions comprising a pharmaceutical acceptable carrier and a compound of Formula I-A, Formulae II-A, Formula II-D, or Formula III-A, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: May 31, 2018
    Date of Patent: February 9, 2021
    Assignee: FIVE ELEVEN PHARMA INC.
    Inventors: Zehui Wu, Zhihao Zha, Futao Liu, Karl Ploessl, Seok Rye Choi, Hank F. Kung
  • Publication number: 20200230263
    Abstract: The present invention relates to deuterated compounds according to Formula I-A, Formula II-A, Formula II-D, and Formula III-A. These compounds can be used as PET imaging agents for evaluating Parkinson's Disease, Alzheimer Disease, and for determining specific serotonin reuptake inhibitor (SSRIi) activity for treatment of depression. The present invention also relates to pharmaceutical compositions comprising a pharmaceutical acceptable carrier and a compound of Formula I-A, Formulae II-A, Formula II-D, or Formula III-A, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: March 19, 2020
    Publication date: July 23, 2020
    Applicant: Five Eleven Pharma Inc.
    Inventors: Zehui WU, Zhihao ZHA, Futao LIU, Karl PLOESSL, Seok Rye CHOI, Hank F. KUNG
  • Patent number: 10688200
    Abstract: The present invention relates to compounds according to Formula I and Formula IV. These compounds display very good binding affinities to the PSMA binding sites. They can be labeled with [68Ga]GaCl3 with high yields and excellent radiochemical purity. The present invention also relates to pharmaceutical compositions comprising a pharmaceutical acceptable carrier and a compound of Formula I or Formula IV, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: December 20, 2016
    Date of Patent: June 23, 2020
    Assignee: FIVE ELEVEN PHARMA INC.
    Inventors: Hank F. Kung, Karl Ploessl, Seok Rye Choi, Zhihao Zha, Zehui Wu
  • Patent number: 10253052
    Abstract: The present invention relates to compounds according to Formula I or Formula II, which are potential bone imaging agents. Certain compounds labeled with 68Ga displayed excellent bone uptake and retention. The present invention also relates to pharmaceutical compositions comprising a pharmaceutical acceptable carrier and a compound of Formula I or Formula II or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: July 6, 2016
    Date of Patent: April 9, 2019
    Assignee: Five Eleven Pharma Inc.
    Inventors: Hank F. Kung, Zehui Wu, Seok Rye Choi, Karl Plössl, Zhihao Zha
  • Publication number: 20180344882
    Abstract: The present invention relates to deuterated compounds according to Formula I-A, Formula II-A, Formula II-D, and Formula III-A. These compounds can be used as PET imaging agents for evaluating Parkinson's Disease, Alzheimer Disease, and for determining specific serotonin reuptake inhibitor (SSRIi) activity for treatment of depression. The present invention also relates to pharmaceutical compositions comprising a pharmaceutical acceptable carrier and a compound of Formula I-A, Formulae II-A, Formula II-D, or Formula III-A, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: May 31, 2018
    Publication date: December 6, 2018
    Inventors: Zehui WU, Zhihao ZHA, Futao LIU, Karl PLOESSL, Seok Rye CHOI, Hank F. KUNG
  • Publication number: 20170189568
    Abstract: The present invention relates to compounds according to Formula I and Formula IV. These compounds display very good binding affinities to the PSMA binding sites. They can be labeled with [68Ga]GaCl3 with high yields and excellent radiochemical purity. The present invention also relates to pharmaceutical compositions comprising a pharmaceutical acceptable carrier and a compound of Formula I or Formula IV, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: December 20, 2016
    Publication date: July 6, 2017
    Inventors: Hank F. KUNG, Karl PLOESSL, Seok Rye CHOI, Zhihao ZHA, Zehui WU
  • Publication number: 20170022224
    Abstract: The present invention relates to compounds according to Formula I or Formula II, which are potential bone imaging agents. Certain compounds labeled with 68Ga displayed excellent bone uptake and retention. The present invention also relates to pharmaceutical compositions comprising a pharmaceutical acceptable carrier and a compound of Formula I or Formula II or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: July 6, 2016
    Publication date: January 26, 2017
    Applicant: Five Eleven Pharma Inc.
    Inventors: Hank F. KUNG, Zehui Wu, Seok Rye Choi, Karl PLÖSSL, Zhihao Zha
  • Patent number: 8865754
    Abstract: Compounds and their pharmaceutically acceptable salts for treatment of synucleinopathies, such as Parkinson's disease and tauopathies.
    Type: Grant
    Filed: March 1, 2012
    Date of Patent: October 21, 2014
    Assignee: Proteotech Inc.
    Inventors: Luke A. Esposito, Marisa C. Yadon, Joel Cummings, F. Michael Hudson, Thomas Lake, Franz F. Hefti, Geoffrey Golding, Seok-Rye Choi, Ximin Li, Alan D. Snow, Qubai Hu, Judy Cam
  • Publication number: 20130338202
    Abstract: Compounds and their pharmaceutically acceptable salts for treatment of synucleinopathies, such as Parkinson's disease and tauopathies.
    Type: Application
    Filed: March 1, 2012
    Publication date: December 19, 2013
    Applicant: PROTEO TECH, INC
    Inventors: Luke A. Esposito, Marisa C. Yadon, Joel Cummings, F. Michael Hudson, Thomas Lake, Franz F. Hefti, Geoffrey Golding, Seok-Rye Choi, Ximin Li, Alan D. Snow, Qubai Hu, Judy Cam
  • Publication number: 20120251448
    Abstract: Provided are the use of the disclosed compounds as imaging agents and methods for in vivo imaging and detection of pathological characteristics unique to synuclein diseases, such as Parkinson's disease.
    Type: Application
    Filed: March 2, 2012
    Publication date: October 4, 2012
    Inventors: Franz F. Hefti, Geoffrey Golding, Ximin Li, Seok-Rye Choi, Luke Esposito, Marisa-Claire Yadon, Joel Cummings, F. Michael Hudson, Thomas Lake, Alan D. Snow
  • Patent number: 7041851
    Abstract: This invention relates to novel fluorinated phenyl thiphenyl (also named diarylsulfide) derivatives and their use in Positron Emission Tomagraphy (PET) imaging of Serotonin Transporters (SERTS). The present invention also provides diagnostic compositions comprising the novel compounds of the present invention, and a pharmaceutically acceptable carrier or diluent. The invention further provides a method of imaging SERTS, comprising introducing into a patient a detectable quantity of a labeled compound of the present invetion, or a pharmaceutically acceptable salt, ester, amide or prodrug thereof.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: May 9, 2006
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Hank F. Kung, Chyng-Yann Shiue, Shunichi Oya, Seok Rye Choi, Grace G. Shiue, Ping Fang
  • Patent number: 6864393
    Abstract: This invention relates to novel fluorinated phenyl thiphenyl (also named diarylsulfide) derivatives and their use in Positron Emission Tomagraphy (PET) imaging of Serotonin Transporters (SERTS). The present invention also provides diagnostic compositions comprising the novel compounds of the present invention, and a pharmaceutically acceptable carrier or diluent. The invention further provides a method of imaging SERTS, comprising introducing into a patient a detectable quantity of a labeled compound of the present invetion, or a pharmaceutically acceptable salt, ester, amide or prodrug thereof.
    Type: Grant
    Filed: March 14, 2003
    Date of Patent: March 8, 2005
    Assignee: The Trustees of the University of Pennsylvania
    Inventors: Hank F. Kung, Chyng-Yann Shiue, Shunichi Oya, Seok Rye Choi, Grace G. Shiue, Ping Fang
  • Publication number: 20030236234
    Abstract: This invention relates to novel fluorinated phenyl thiphenyl (also named diarylsulfide) derivatives and their use in Positron Emission Tomagraphy (PET) imaging of Serotonin Transporters (SERTS). The present invention also provides diagnostic compositions comprising the novel compounds of the present invention, and a pharmaceutically acceptable carrier or diluent. The invention further provides a method of imaging SERTS, comprising introducing into a patient a detectable quantity of a labeled compound of the present invetion, or a pharmaceutically acceptable salt, ester, amide or prodrug thereof.
    Type: Application
    Filed: March 14, 2003
    Publication date: December 25, 2003
    Inventors: Hank F. Kung, Chyng-Yann Shiue, Shunichi Oya, Seok Rye Choi, Grace G. Shiue, Ping Fang