Patents Assigned to Ligand Pharmaceuticals
  • Patent number: 11970482
    Abstract: Disclosed herein are acetal and cyclic acetal compounds, compositions, their preparation, and their uses. Some embodiments relate to their use as liver-targeting compounds.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: April 30, 2024
    Assignee: LIGAND PHARMACEUTICALS INC.
    Inventor: Lin Zhi
  • Patent number: 11858938
    Abstract: Compounds and methods in the fields of chemistry and medicine are disclosed. Some of the disclosed embodiments include compounds, compositions and methods of using imidazole-fused heterocycle amines. Some of the disclosed embodiments include imidazo-fused heterocycle compounds useful to treat leukemia and other hematopoietic disorders.
    Type: Grant
    Filed: October 15, 2020
    Date of Patent: January 2, 2024
    Assignee: Ligand Pharmaceuticals, Inc.
    Inventor: Lin Zhi
  • Patent number: 11773110
    Abstract: Compounds and methods in the fields of chemistry and medicine are disclosed. Some of the disclosed embodiments include compounds, compositions and methods of using heterocycle amines. Some of the disclosed embodiments include heterocycle amines useful to treat inflammatory disorders.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: October 3, 2023
    Assignee: LIGAND PHARMACEUTICALS INCORPORATED
    Inventors: Koc-Kan Ho, David Diller, Jeffrey J. Letourneau, Brian F. McGuinness, Andrew G. Cole, David Rosen, Cornelis A. van Oeveren, Jason C. Pickens, Lin Zhi, Yixing Shen, Bijan Pedram
  • Patent number: 11566041
    Abstract: Provided herein are nucleotide prodrug compounds, their preparation and their uses, such as treating diseases or conditions of a viral infection.
    Type: Grant
    Filed: June 8, 2022
    Date of Patent: January 31, 2023
    Assignee: LIGAND PHARMACEUTICALS, INC.
    Inventor: Lin Zhi
  • Patent number: 11413274
    Abstract: Some embodiments include compositions and methods of using or identifying compounds that modulate the activity of the granulocyte colony-stimulating factor receptor (GCFR). Some embodiments include use of compounds to treat certain disorders, such as hematopoietic or neurological disorders.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: August 16, 2022
    Assignee: Ligand Pharmaceuticals, Inc.
    Inventors: Lin Zhi, Keith Marschke, Virginia H. Grant, Steven L. Roach, Yixing Shen, Jason C. Pickens, Bijan Pedram, Cornelis Arjan van Oeveren, Lino J. Valdez, Andrew R. Hudson
  • Patent number: 11358931
    Abstract: Provided herein are compounds, such as compounds of Formula I, that bind to androgen receptors and/or modulate activity of androgen receptors. Also provided are methods for making and using such compounds. Also provided are compositions including such compounds and methods for making and using such compositions.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: June 14, 2022
    Assignee: Ligand Pharmaceuticals Incorporated
    Inventor: Lin Zhi
  • Patent number: 11278559
    Abstract: Provided herein are prodrug compounds, their preparation and their uses, such as treating liver diseases or nonliver diseases via intervening in molecular pathways in the liver.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: March 22, 2022
    Assignee: Ligand Pharmaceuticals Incorporated
    Inventor: Lin Zhi
  • Patent number: 11186593
    Abstract: Compounds and methods in the fields of chemistry and medicine are disclosed. Some of the disclosed embodiments include compounds, compositions and methods of using heterocycle amines. Some of the disclosed embodiments include heterocycle amines useful to treat inflammatory disorders.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: November 30, 2021
    Assignee: Ligand Pharmaceuticals Incorporated
    Inventors: Koc-Kan Ho, David Diller, Jeffrey J. Letourneau, Brian F. McGuinness, Andrew G. Cole, David Rosen, Cornelis A. van Oeveren, Jason C. Pickens, Lin Zhi, Yixing Shen, Bijan Pedram
  • Patent number: 10874638
    Abstract: Provided herein are compositions and methods for the treatment of androgen and estrogen receptors mediated conditions.
    Type: Grant
    Filed: September 16, 2019
    Date of Patent: December 29, 2020
    Assignee: Ligand Pharmaceuticals Incorporated
    Inventor: Lin Zhi
  • Patent number: 10807983
    Abstract: Compounds and methods in the fields of chemistry and medicine are disclosed. Some of the disclosed embodiments include compounds, compositions and methods of using imidazole-fused heterocycle amines. Some of the disclosed embodiments include imizazo-fused heterocycle compounds useful to treat leukemia and other hematopoietic disorders.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: October 20, 2020
    Assignee: Ligand Pharmaceuticals, Inc.
    Inventor: Lin Zhi
  • Patent number: 10736875
    Abstract: Some embodiments include compositions and methods of using or identifying compounds that modulate the activity of the granulocyte colony-stimulating factor receptor (GCFR). Some embodiments include use of compounds to treat certain disorders, such as hematopoietic or neurological disorders.
    Type: Grant
    Filed: September 10, 2018
    Date of Patent: August 11, 2020
    Assignee: LIGAND PHARMACEUTICALS, INC.
    Inventors: Lin Zhi, Keith Marschke, Virginia H. Grant, Steven L. Roach, Yixing Shen, Jason C. Pickens, Bijan Pedram, Cornelis Arjan van Oeveren, Lino J. Valdez, Andrew R. Hudson
  • Patent number: 10730831
    Abstract: Provided herein are compounds, such as compounds of Formula I, that bind to androgen receptors and/or modulate activity of androgen receptors. Also provided are methods for making and using such compounds. Also provided are compositions including such compounds and methods for making and using such compositions.
    Type: Grant
    Filed: October 1, 2018
    Date of Patent: August 4, 2020
    Assignee: Ligand Pharmaceuticals Incorporated
    Inventor: Lin Zhi
  • Patent number: 10604533
    Abstract: Compounds and methods in the fields of chemistry and medicine are disclosed. Some of the disclosed embodiments include compounds, compositions and methods of using heterocycle amines. Some of the disclosed embodiments include heterocycle amines useful to treat inflammatory disorders.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: March 31, 2020
    Assignee: Ligand Pharmaceuticals Incorporated
    Inventors: Koc-Kan Ho, David Diller, Jeffrey J. Letourneau, Brian F. McGuinness, Andrew G. Cole, David Rosen, Cornelis A. van Oeveren, Jason C. Pickens, Lin Zhi, Yixing Shen, Bijan Pedram
  • Patent number: 10449210
    Abstract: Provided herein are prodrug compounds, their preparation and their uses, such as treating liver diseases or nonliver diseases via intervening in molecular pathways in the liver. Novel prodrug compounds of acid/alcohol derivatives such as phosphates, phosphonates, phosphonamidates, phosphoramidates, carboxylates, phenolates, and alkoxylates, their preparation and their uses are described. Some of the novel prodrug compounds described herein do not generate a vinyl keto reactive intermediate in the activation process. Another aspect includes the use of prodrugs to treat diseases that benefit from enhanced drug distribution to the liver and like tissues and cells.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: October 22, 2019
    Assignee: LIGAND PHARMACEUTICALS INC.
    Inventor: Lin Zhi
  • Patent number: 10441567
    Abstract: Provided herein are compositions and methods for the treatment of androgen and estrogen receptors mediated conditions. Specifically, a composition that includes an effective amount of a selective estrogen receptor modulator (SERM) and an effective amount of a 5a-reductase inhibitor, or a pharmaceutically acceptable salt, ester or prodrug of the foregoing is provided. Also provided are methods for the treatment of aging related conditions and diseases.
    Type: Grant
    Filed: January 14, 2015
    Date of Patent: October 15, 2019
    Assignee: LIGAND PHARMACEUTICALS INCORPORATED
    Inventor: Lin Zhi
  • Patent number: 10420748
    Abstract: Some embodiments include methods for treating, preventing, reversing, halting, or slowing the progression of cancer, comprising administering to a subject in need thereof an effective amount of one or more chemotherapeutic agents, or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition, wherein at least one of the chemotherapeutic agents is a cytotoxic granulocyte colony-stimulating factor receptor (GCFR) modulator. Methods are also disclosed for treating, preventing, reversing, halting, or slowing the progression of a hematopoietic disorder, comprising administered a therapeutically effective cytotoxic amount of a GCFR modulator to a subject in need thereof.
    Type: Grant
    Filed: February 28, 2018
    Date of Patent: September 24, 2019
    Assignee: LIGAND PHARMACEUTICALS INCORPORATED
    Inventors: Keith B. Marschke, Lin Zhi
  • Publication number: 20190099391
    Abstract: Provided herein are compounds, including enantiomerically pure forms thereof, and pharmaceutically acceptable salts or co-crystals and prodrugs thereof which have glucagon receptor antagonist or inverse agonist activity. Further, provided herein are pharmaceutical compositions comprising the same as well as methods of treating, preventing, delaying the time to onset or reducing the risk for the development or progression of a disease or condition for which one or more glucagon receptor antagonist is indicated, including Type I and II diabetes, insulin resistance and hyperglycemia. Moreover, provided herein are methods of making or manufacturing compounds disclosed herein, including enantiomerically pure forms thereof, and pharmaceutically acceptable salts or co-crystals and prodrugs thereof.
    Type: Application
    Filed: September 4, 2018
    Publication date: April 4, 2019
    Applicant: LIGAND PHARMACEUTICALS, INC.
    Inventor: Lin ZHI
  • Patent number: 10150788
    Abstract: Provided herein are cyclic phosphorus-containing prodrug compounds, their preparation and their uses, such as treating diseases via modulating molecular targets in the liver.
    Type: Grant
    Filed: June 11, 2018
    Date of Patent: December 11, 2018
    Assignee: Ligand Pharmaceuticals, Inc.
    Inventor: Lin Zhi
  • Patent number: 10111859
    Abstract: Some embodiments include compositions and methods of using or identifying compounds that modulate the activity of the granulocyte colony-stimulating factor receptor (GCFR). Some embodiments include use of compounds to treat certain disorders, such as hematopoietic or neurological disorders.
    Type: Grant
    Filed: August 25, 2016
    Date of Patent: October 30, 2018
    Assignee: LIGAND PHARMACEUTICALS, INC.
    Inventors: Lin Zhi, Andrew R. Hudson, Keith Marschke, Virginia H. Grant, Steven L. Roach, Yixing Shen, Jason C. Pickens, Bijan Pedram, Cornelius Arjan van Oeveren, Lino J. Valdez
  • Patent number: 10106500
    Abstract: Provided herein are compounds, such as compounds of Formula I, that bind to androgen receptors and/or modulate activity of androgen receptors. Also provided are methods for making and using such compounds. Also provided are compositions including such compounds and methods for making and using such compositions.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: October 23, 2018
    Assignee: Ligand Pharmaceuticals Incorporated
    Inventor: Lin Zhi