Patents by Inventor Craig Edward Dixon

Craig Edward Dixon 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: 20230002323
    Abstract: Disclosed are processes for preparing [(3-hydroxypyridine-2-carbonyl)amino]-alkanoic acids, derivatives, inter alia, 5-aryl substituted and 5-heteroaryl substituted [(3-hydroxypyridine-2-carbonyl]amino}acetic acids. Further disclosed are methods for making prodrugs of [(3-hydroxypyridine-2-carbonyl)-amino]acetic acids, for example, [(3-hydroxypyridine-2-carbonyl]amino}acetic acid esters and {[3-hydroxypyridine-2-carbonyl]amino}acetic acid amides. The disclosed compounds are useful as prolyl hydroxylase inhibitors or for treating conditions wherein prolyl hydroxylase inhibition is desired.
    Type: Application
    Filed: January 31, 2022
    Publication date: January 5, 2023
    Inventors: Christopher M. Lanthier, Boris Gorin, Jan Oudenes, Craig Edward Dixon, Alan Quigbo Lu, James Densmore Copp, John Michael Janusz
  • Patent number: 11267785
    Abstract: Disclosed are processes for preparing [(3-hydroxypyridine-2-carbonyl)amino]-alkanoic acids, derivatives, inter alia, 5-aryl substituted and 5-heteroaryl substituted [(3-hydroxypyridine-2-carbonyl]amino}acetic acids. Further disclosed are methods for making prodrugs of [(3-hydroxypyridine-2-carbonyl)-amino]acetic acids, for example, [(3-hydroxypyridine-2-carbonyl]amino}acetic acid esters and {[3-hydroxypyridine-2-carbonyl]amino}acetic acid amides. The disclosed compounds are useful as prolyl hydroxylase inhibitors or for treating conditions wherein prolyl hydroxylase inhibition is desired.
    Type: Grant
    Filed: July 6, 2020
    Date of Patent: March 8, 2022
    Assignee: Akebia Therapeutics, Inc.
    Inventors: Christopher M. Lanthier, Boris Gorin, Jan Oudenes, Craig Edward Dixon, Alan Quigbo Lu, James Densmore Copp, John Michael Janusz
  • Publication number: 20210122715
    Abstract: Disclosed are processes for preparing [(3-hydroxypyridine-2-carbonyl)amino]-alkanoic acids, derivatives, inter alia, 5-aryl substituted and 5-heteroaryl substituted [(3-hydroxypyridine-2-carbonyl]amino}acetic acids. Further disclosed are methods for making prodrugs of [(3-hydroxypyridine-2-carbonyl)-amino]acetic acids, for example, [(3-hydroxypyridine-2-carbonyl]amino}acetic acid esters and {[3-hydroxypyridine-2-carbonyl]amino}acetic acid amides. The disclosed compounds are useful as prolyl hydroxylase inhibitors or for treating conditions wherein prolyl hydroxylase inhibition is desired.
    Type: Application
    Filed: July 6, 2020
    Publication date: April 29, 2021
    Inventors: Christopher M. Lanthier, Boris Gorin, Jan Oudenes, Craig Edward Dixon, Alan Quigbo Lu, James Densmore Copp, John Michael Janusz
  • Patent number: 10738010
    Abstract: Disclosed are processes for preparing [(3-hydroxypyridine-2-carbonyl)amino]-alkanoic acids, derivatives, inter alia, 5-aryl substituted and 5-heteroaryl substituted [(3-hydroxypyridine-2-carbonyl]amino}acetic acids. Further disclosed are methods for making prodrugs of [(3-hydroxypyridine-2-carbonyl)-amino]acetic acids, for example, [(3-hydroxypyridine-2-carbonyl]amino}acetic acid esters and {[3-hydroxypyridine-2-carbonyl]amino}acetic acid amides. The disclosed compounds are useful as prolyl hydroxylase inhibitors or for treating conditions wherein prolyl hydroxylase inhibition is desired.
    Type: Grant
    Filed: March 13, 2019
    Date of Patent: August 11, 2020
    Assignee: Akebia Therapeutics, Inc.
    Inventors: Christopher M. Lanthier, Boris Gorin, Jan Oudenes, Craig Edward Dixon, Alan Quigbo Lu, James Densmore Copp, John Michael Janusz
  • Publication number: 20190375713
    Abstract: Disclosed are processes for preparing [(3-hydroxypyridine-2-carbonyl)amino]-alkanoic acids, derivatives, inter cilia, 5-aryl substituted and 5-heteroaryl substituted [(3-hydroxypyridine-2-carbonyl]amino}acetic acids. Further disclosed are methods for making prodrugs of [(3-hydroxypyridine-2-carbonyl)-amino]acetic acids, for example, [(3-hydroxypyridine-2-carbonyl]amino}acetic acid esters and {[3-hydroxypyridine-2-carbonyl]amino}acetic acid amides. The disclosed compounds are useful as prolyl hydroxylase inhibitors or for treating conditions wherein prolyl hydroxylase inhibition is desired.
    Type: Application
    Filed: March 13, 2019
    Publication date: December 12, 2019
    Inventors: Christopher M. Lanthier, Boris Gorin, Jan Oudenes, Craig Edward Dixon, Alan Quigbo Lu, James Densmore Copp, John Michael Janusz
  • Patent number: 10246416
    Abstract: Disclosed are processes for preparing [(3-hydroxypyridine-2-carbonyl)amino]-alkanoic acids, derivatives, inter alia, 5-aryl substituted and 5-heteroaryl substituted [(3-hydroxypyridine-2-carbonyl]amino}acetic acids. Further disclosed are methods for making prodrugs of [(3-hydroxypyridine-2-carbonyl)-amino]acetic acids, for example, [(3-hydroxypyridine-2-carbonyl]amino}acetic acid esters and {[3-hydroxypyridine-2-carbonyl]amino}acetic acid amides. The disclosed compounds are useful as prolyl hydroxylase inhibitors or for treating conditions wherein prolyl hydroxylase inhibition is desired.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: April 2, 2019
    Assignee: Akebia Therapeutics, Inc.
    Inventors: Christopher M. Lanthier, Boris Gorin, Jan Oudenes, Craig Edward Dixon, Alan Quigbo Lu, James Denmore Copp, John Michael Janusz
  • Publication number: 20170362178
    Abstract: Disclosed are processes for preparing [(3-hydroxypyridine-2-carbonyl)amino]-alkanoic acids, derivatives, inter alia, 5-aryl substituted and 5-heteroaryl substituted [(3-hydroxypyridine-2-carbonyl]amino}acetic acids. Further disclosed are methods for making prodrugs of [(3-hydroxypyridine-2-carbonyl)-amino]acetic acids, for example, {(3-hydroxypyridine-2-carbonyl]amino}acetic acid esters and {[3-hydroxypyridine-2-carbonyl]amino}acetic acid amides. The disclosed compounds are useful as prolyl hydroxylase inhibitors or for treating conditions wherein prolyl hydroxylase inhibition is desired.
    Type: Application
    Filed: August 31, 2017
    Publication date: December 21, 2017
    Inventors: Christopher M. Lanthier, Boris Gorin, Jan Oudenes, Craig Edward Dixon, Alan Quigbo Lu, James Denmore Copp, John Michael Janusz
  • Patent number: 9776969
    Abstract: Disclosed are processes for preparing [(3-hydroxypyridine-2-carbonyl)amino]-alkanoic acids, derivatives, inter alia, 5-aryl substituted and 5-heteroaryl substituted [(3-hydroxypyridine-2-carbonyl]amino}acetic acids. Further disclosed are methods for making prodrugs of [(3-hydroxypyridine-2-carbonyl)-amino]acetic acids, for example, {[(3-hydroxypyridine-2-carbonyl]amino}acetic acid esters and {[3-hydroxypyridine-2-carbonyl]amino}acetic acid amides. The disclosed compounds are useful as prolyl hydroxylase inhibittors or for treating conditions wherein prolyl hydroxylase inhibition is desired.
    Type: Grant
    Filed: August 24, 2015
    Date of Patent: October 3, 2017
    Assignee: Akebia Therapeutics, Inc.
    Inventors: Christopher M. Lanthier, Boris Gorin, Jan Oudenes, Craig Edward Dixon, Alan Quigbo Lu, James Densmore Copp, John Michael Janusz
  • Publication number: 20150361043
    Abstract: Disclosed are processes for preparing [(3-hydroxypyridine-2-carbonyl)amino]-alkanoic acids, derivatives, inter alia, 5-aryl substituted and 5-heteroaryl substituted [(3-hydroxypyridine-2-carbonyl]amino}acetic acids. Further disclosed are methods for making prodrugs of [(3-hydroxypyridine-2-carbonyl)-amino]acetic acids, for example, [(3-hydroxypyridine-2-carbonyl]amino}acetic acid esters and {[3-hydroxypyridine-2-carbonyl]amino}acetic acid amides. The disclosed compounds are useful as prolyl hydroxylase inhibitors or for treating conditions wherein prolyl hydroxylase inhibition is desired.
    Type: Application
    Filed: August 24, 2015
    Publication date: December 17, 2015
    Inventors: Christopher M. Lanthier, Boris Gorin, Jan Oudenes, Craig Edward Dixon, Alan Quigbo Lu, James Densmore Copp, John Michael Janusz
  • Patent number: 9145366
    Abstract: Disclosed are processes for preparing [(3-hydroxypyridine-2-carbonyl)amino]-alkanoic acids, derivatives, inter alia, 5-aryl substituted and 5-heteroaryl substituted [(3-hydroxypyridine-2-carbonyl]amino}acetic acids. Further disclosed are methods for making prodrugs of [(3-hydroxypyridine-2-carbonyl)-amino]acetic acids, for example, [(3-hydroxypyridine-2-carbonyl]amino}acetic acid esters and {[3-hydroxypyridine-2-carbonyl]amino}acetic acid amides. The disclosed compounds are useful as prolyl hydroxylase inhibitors or for treating conditions wherein prolyl hydroxylase inhibition is desired.
    Type: Grant
    Filed: June 5, 2012
    Date of Patent: September 29, 2015
    Assignee: Akebia Therapeutics, Inc.
    Inventors: Christopher M. Lanthier, Boris Gorin, Jan Oudenes, Craig Edward Dixon, Alan Qingbo Lu, James Densmore Copp, John Michael Janusz
  • Publication number: 20130274466
    Abstract: A process for preparation of a compound of formula I or a pharmaceutically acceptable salt thereof, is disclosed. The process involves subjecting a compound of formula II to Ullmann-type conditions to effect an intra-molecular ring closure reaction to form the compound of formula I. The different substituents are as described in the specification. Further, the process can provide an alternate route for the synthesis of asenapine from starting materials that can be readily available.
    Type: Application
    Filed: September 26, 2011
    Publication date: October 17, 2013
    Applicant: Alphora Research Inc.
    Inventors: Boris Gorin, Craig Edward Dixon, Yang Qu
  • Publication number: 20130253205
    Abstract: A process for preparation of a compound of formula (I) or or a pharmaceutically acceptable salt, ester, or prodrug thereof, is disclosed. The process involves hydrogenating, in the presence of a catalyst, a compound of formula (II). The different substituents are as described in the specification. Also disclosed are intermediates and processes for their preparation. Further, the process can provide an alternate route for the synthesis of Vernakalant from starting materials that can be readily available.
    Type: Application
    Filed: September 26, 2011
    Publication date: September 26, 2013
    Applicant: ALPHORA RESEARCH INC.
    Inventors: Boris Gorin, Craig Edward Dixon, Jan Oudenes, Elena Valentina Bejan, Aaron Cleveland Kinsman
  • Publication number: 20120309977
    Abstract: Disclosed are processes for preparing [(3-hydroxypyridine-2-carbonyl)amino]-alkanoic acids, derivatives, inter alia, 5-aryl substituted and 5-heteroaryl substituted [(3-hydroxypyridine-2-carbonyl]aminolacetic acids. Further disclosed are methods for making prodrugs of [(3-hydroxypyridine-2-carbonyl)-amino]acetic acids, for example, [(3-hydroxypyridine-2-carbonyl]amino}acetic acid esters and {[3-hydroxypyridine-2-carbonyl]amino}acetic acid amides. The disclosed compounds are useful as prolyl hydroxylase inhibitors or for treating conditions wherein prolyl hydroxylase inhibition is desired.
    Type: Application
    Filed: June 5, 2012
    Publication date: December 6, 2012
    Applicant: Akebia Therapeutics Inc.
    Inventors: Christopher M. Lanthier, Boris Gorin, Jan Oudenes, Craig Edward Dixon, Alan Quigbo Lu, James Densmore Copp, John Michael Janusz