Patents Assigned to Ligand Pharmaceutical, Inc.
  • 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: 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: 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: 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
  • 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: 9994600
    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 26, 2015
    Date of Patent: June 12, 2018
    Assignee: Ligand Pharmaceuticals, Inc.
    Inventor: Lin Zhi
  • Patent number: 9993461
    Abstract: Methods of administering and pharmaceutical compositions of a biphenyl sulfonamide compound which is a dual angiotensin and endothelin receptor antagonist are disclosed for treating diseases.
    Type: Grant
    Filed: August 25, 2017
    Date of Patent: June 12, 2018
    Assignee: Ligand Pharmaceuticals Inc.
    Inventors: Jinkun Zhang, Zofia E. Dziewanowska, Rene Belder, Ian Henderson, Joseph B. Bogardus, Zhaoying Zhang
  • Publication number: 20170158725
    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: Application
    Filed: June 26, 2015
    Publication date: June 8, 2017
    Applicant: Ligand Pharmaceuticals, Inc.
    Inventor: Lin Zhi
  • Patent number: 9662312
    Abstract: Methods of administering and pharmaceutical compositions of a biphenyl sulfonamide compound which is a dual angiotensin and endothelin receptor antagonist are disclosed for treating diseases.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: May 30, 2017
    Assignee: Ligand Pharmaceuticals Inc.
    Inventors: Jinkun Zhang, Zofia E. Dziewanowska, Rene Belder, Ian Henderson, Joseph B. Bogardus, Zhaoying Zhang
  • Patent number: 9622991
    Abstract: The present embodiments relate to compounds with physiological effects, such as the activation of hematopoietic growth factor receptors. The present embodiments also relate to use of the compounds to treat a variety of conditions, diseases and ailments such as hematopoietic conditions and disorders.
    Type: Grant
    Filed: May 15, 2015
    Date of Patent: April 18, 2017
    Assignee: Ligand Pharmaceuticals Inc.
    Inventors: Lin Zhi, Andrew R. Hudson, Cornelis A. Van Oeveren, Steven L. Roach, Bijan Pedram, Yixing Shen, Lino J. Valdez, Jillian Basinger, Virginia Heather Sharron Grant, Jason C. Pickens
  • Publication number: 20170056429
    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: Application
    Filed: February 11, 2015
    Publication date: March 2, 2017
    Applicant: Ligand Pharmaceutical, Inc.
    Inventor: Lin Zhi
  • Patent number: 9326991
    Abstract: Embodiments of the present invention include nucleoside 5?-monophosphate derivative compounds, their preparation and their uses. In some embodiments, nucleoside 5?-monophosphate derivative compounds are useful to treat viral infections.
    Type: Grant
    Filed: September 12, 2013
    Date of Patent: May 3, 2016
    Assignee: LIGAND PHARMACEUTICALS, INC.
    Inventors: Lin Zhi, K. Raja Reddy
  • Patent number: 9144557
    Abstract: The present embodiments relate to compounds with physiological effects, such as the activation of hematopoietic growth factor receptors. The present embodiments also relate to use of the compounds to treat a variety of conditions, diseases and ailments such as hematopoietic conditions and disorders.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: September 29, 2015
    Assignee: Ligand Pharmaceuticals Inc.
    Inventors: Lin Zhi, Andrew R Hudson, Cornelis A. Van Oeveren, Steven L. Roach, Bijan Pedram, Yixing Shen, Lino J. Valdez, Jillian Basinger, Virginia Heather Sharron Grant, Jason C. Pickens
  • Publication number: 20140142149
    Abstract: Methods of administering and pharmaceutical compositions of a biphenyl sulfonamide compound which is a dual angiotensin and endothelin receptor antagonist are disclosed for treating diseases.
    Type: Application
    Filed: December 19, 2012
    Publication date: May 22, 2014
    Applicant: Ligand Pharmaceuticals Inc.
    Inventors: Jinkun Zhang, Zofia E. Dziewanowska, Rene Belder, Ian Henderson, Joseph B. Bogardus, Zhaoying Zhang
  • Patent number: 8680150
    Abstract: The present embodiments relate to compounds with physiological effects, such as the activation of hematopoietic growth factor receptors. The present embodiments also relate to use of the compounds to treat a variety of conditions, diseases and ailments such as hematopoietic conditions and disorders.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: March 25, 2014
    Assignee: Ligand Pharmaceuticals, Inc.
    Inventors: Lin Zhi, Andrew R. Hudson, Cornelis A. Van Oeveren, Steven L. Roach, Jason C. Pickens, Yixing Shen, Catalina Cuervo, Lino J. Valdez, Jillian Basinger, Virgina H. Grant