Patents by Inventor D. Keith Hester, II

D. Keith Hester, II 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: 20240148742
    Abstract: The disclosure describes methods of synthesis of pyridazinone compounds as thyroid hormone analogs and their prodrugs. Preferred methods according to the disclosure allow for large-scale preparation of pyridazinone compounds having high purity. In some embodiments, preferred methods according to the disclosure also allow for the preparation of pyridazinone compounds in better yield than previously used methods for preparing such compounds. Also disclosed are morphic forms of a pyridazinone compound. Further disclosed is a method for treating resistance to thyroid hormone in a subject having at least one TR? mutation.
    Type: Application
    Filed: December 22, 2023
    Publication date: May 9, 2024
    Inventors: D. Keith HESTER, II, Robert J. DUGUID, Martha J. KELLY, Anna CHASNOFF, Gang DONG, Edwin L. CROW, Lianhe SHU, Ping WANG, Duk Soon CHOI
  • Publication number: 20240122936
    Abstract: The disclosure describes methods of synthesis of pyridazinone compounds as thyroid hormone analogs and their prodrugs. Preferred methods according to the disclosure allow for large-scale preparation of pyridazinone compounds having high purity. In some embodiments, preferred methods according to the disclosure also allow for the preparation of pyridazinone compounds in better yield than previously used methods for preparing such compounds. Also disclosed are morphic forms of a pyridazinone compound. Further disclosed is a method for treating resistance to thyroid hormone in a subject having at least one TR? mutation.
    Type: Application
    Filed: December 22, 2023
    Publication date: April 18, 2024
    Inventors: D. Keith HESTER, II, Robert J. DUGUID, Martha J. KELLY, Anna CHASNOFF, Gang DONG, Edwin L. CROW, Lianhe SHU, Ping WANG, Duk Soon CHOI
  • Publication number: 20230210856
    Abstract: The disclosure describes methods of synthesis of pyridazinone compounds as thyroid hormone analogs and their prodrugs. Preferred methods according to the disclosure allow for large-scale preparation of pyridazinone compounds having high purity. In some embodiments, preferred methods according to the disclosure also allow for the preparation of pyridazinone compounds in better yield than previously used methods for preparing such compounds. Also disclosed are morphic forms of a pyridazinone compound. Further disclosed is a method for treating resistance to thyroid hormone in a subject having at least one TR? mutation.
    Type: Application
    Filed: December 15, 2022
    Publication date: July 6, 2023
    Inventors: D. Keith HESTER, II, Robert J. DUGUID, Martha J. KELLY, Anna CHASNOFF, Gang DONG, Edwin L. CROW, Lianhe SHU, Ping WANG, Duk Soon CHOI
  • Patent number: 11564926
    Abstract: The disclosure describes methods of synthesis of pyridazinone compounds as thyroid hormone analogs and their prodrugs. Preferred methods according to the disclosure allow for large-scale preparation of pyridazinone compounds having high purity. In some embodiments, preferred methods according to the disclosure also allow for the preparation of pyridazinone compounds in better yield than previously used methods for preparing such compounds. Also disclosed are morphic forms of a pyridazinone compound. Further disclosed is a method for treating resistance to thyroid hormone in a subject having at least one TR? mutation.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: January 31, 2023
    Assignees: Madrigal Pharmaceuticals, Inc., Hoffmann-La Roche Inc.
    Inventors: D. Keith Hester, II, Robert J. Duguid, Martha J. Kelly, Anna Chasnoff, Gang Dong, Edwin L. Crow, Lianhe Shu, Ping Wang, Duk Soon Choi
  • Publication number: 20210161904
    Abstract: The disclosure describes methods of synthesis of pyridazinone compounds as thyroid hormone analogs and their prodrugs. Preferred methods according to the disclosure allow for large-scale preparation of pyridazinone compounds having high purity. In some embodiments, preferred methods according to the disclosure also allow for the preparation of pyridazinone compounds in better yield than previously used methods for preparing such compounds. Also disclosed are morphic forms of a pyridazinone compound. Further disclosed is a method for treating resistance to thyroid hormone in a subject having at least one TR? mutation.
    Type: Application
    Filed: December 11, 2020
    Publication date: June 3, 2021
    Inventors: D. Keith HESTER, II, Robert J. DUGUID, Martha J. KELLY, Anna CHASNOFF, Gang DONG, Edwin L. CROW, Lianhe SHU, Ping WANG, Duk Soon CHOI
  • Patent number: 10894050
    Abstract: The disclosure describes methods of synthesis of pyridazinone compounds as thyroid hormone analogs and their prodrugs. Preferred methods according to the disclosure allow for large-scale preparation of pyridazinone compounds having high purity. In some embodiments, preferred methods according to the disclosure also allow for the preparation of pyridazinone compounds in better yield than previously used methods for preparing such compounds. Also disclosed are morphic forms of a pyridazinone compound. Further disclosed is a method for treating resistance to thyroid hormone in a subject having at least one TR? mutation.
    Type: Grant
    Filed: July 1, 2019
    Date of Patent: January 19, 2021
    Assignees: Madrigal Pharmaceuticals, Inc., Hoffmann-La Roche Inc.
    Inventors: D. Keith Hester, II, Robert J. Duguid, Martha J. Kelly, Anna Chasnoff, Gang Dong, Edwin L. Crow, Lianhe Shu, Ping Wang, Duk Soon Choi
  • Patent number: 9266861
    Abstract: The disclosure describes methods of synthesis of pyridazinone compounds as thyroid hormone analogs and their prodrugs. Preferred methods according to the disclosure allow for large-scale preparation of pyridazinone compounds having high purity. In some embodiments, preferred methods according to the disclosure also allow for the preparation of pyridazinone compounds in better yield than previously used methods for preparing such compounds. Also disclosed are morphic forms of a pyridazinone compound. Further disclosed is a method for treating resistance to thyroid hormone in a subject having at least one TR? mutation.
    Type: Grant
    Filed: March 17, 2015
    Date of Patent: February 23, 2016
    Assignees: Madrigal Pharmaceuticals, Inc., Hoffmann-La Roche Inc.
    Inventors: D. Keith Hester, II, Robert J. Duguid, Martha J. Kelly, Anna Chasnoff, Gang Dong, Edwin L. Crow, Duk Soon Choi, Lianhe Shu, Ping Wang
  • Publication number: 20150203473
    Abstract: The disclosure describes methods of synthesis of pyridazinone compounds as thyroid hormone analogs and their prodrugs. Preferred methods according to the disclosure allow for large-scale preparation of pyridazinone compounds having high purity. In some embodiments, preferred methods according to the disclosure also allow for the preparation of pyridazinone compounds in better yield than previously used methods for preparing such compounds. Also disclosed are morphic forms of a pyridazinone compound. Further disclosed is a method for treating resistance to thyroid hormone in a subject having at least one TR? mutation.
    Type: Application
    Filed: March 17, 2015
    Publication date: July 23, 2015
    Inventors: D. Keith Hester, II, Robert J. Duguid, Martha J. Kelly, Anna Chasnoff, Gang Dong, Edwin L. Crow, Rebecca Taub, Charles H. Reynolds, Duk Soon Choi, Lianhe Shu, Ping Wang
  • Patent number: 8580767
    Abstract: Dosage forms or pharmaceutical compositions comprise a compound having the structure of Formula IV: wherein n is a non-negative integer; wherein each Z is an oxazolidinone-containing moiety having antibiotic activity in vivo upon cleaving, wherein M is independently OR1 or NR1R2; wherein R1 and R2 are independently selected from the group consisting of H, an optionally-substituted hydrocarbyl residue or a pharmaceutically acceptable cation; wherein the compound in the dosage form or a pharmaceutical composition is present in an amount effective for treating or preventing an antibacterial infection in a mammalian subject. Methods of preparing and using these dosage forms or pharmaceutical compositions are also disclosed.
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: November 12, 2013
    Assignee: Trius Therapeutics, Inc.
    Inventors: D. Keith Hester, II, Robert J. Duguid, John Finn
  • Publication number: 20100305069
    Abstract: Dosage forms or pharmaceutical compositions comprise a compound having the structure of Formula IV: wherein n is a non-negative integer; wherein each Z is an oxazolidinone-containing moiety having antibiotic activity in vivo upon cleaving, wherein M is independently OR1 or NR1R2; wherein R1 and R2 are independently selected from the group consisting of H, an optionally-substituted hydrocarbyl residue or a pharmaceutically acceptable cation; wherein the compound in the dosage form or a pharmaceutical composition is present in an amount effective for treating or preventing an antibacterial infection in a mammalian subject. Methods of preparing and using these dosage forms or pharmaceutical compositions are also disclosed.
    Type: Application
    Filed: May 25, 2010
    Publication date: December 2, 2010
    Applicant: TRIUS THERAPEUTICS
    Inventors: D. Keith Hester, II, Robert J. Duguid, John Finn