Patents by Inventor Tracy Ehiwe

Tracy Ehiwe 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).

  • Patent number: 10442805
    Abstract: Polymorphs of a hydrochloride salt of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one, compositions thereof, methods for their preparation, and methods for their use are disclosed. Solvent forms of a hydrochloride salt of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one, compositions thereof, methods for their preparation, and methods for their use are also disclosed.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: October 15, 2019
    Assignee: Gilead Calistoga LLC
    Inventors: Suzanne Buttar, Ernest Carra, Tracy Ehiwe, Duong Tran, Fang Wang, Christopher Worrall, Jerry Evarts
  • Patent number: 10414751
    Abstract: The present invention relates to polymorphic forms of compound 1 or 1a and processes for preparing compound 1 and 1a polymorphs, which are useful as antifungal agents. In particular, the invention seeks to provide a new methodology for preparing polymorphs of compound 1 and substituted derivatives thereof.
    Type: Grant
    Filed: February 8, 2019
    Date of Patent: September 17, 2019
    Assignee: Mycovia Pharmaceuticals, Inc.
    Inventors: William J. Hoekstra, David Dale Wirth, Tracy Ehiwe, Thierry Bonnaud
  • Patent number: 10370353
    Abstract: The present invention relates to polymorphic forms of compound 1 or 1a and processes for preparing compound 1 and 1a polymorphs, which are useful as antifungal agents. In particular, the invention seeks to provide a new methodology for preparing polymorphs of compound 1 and substituted derivatives thereof.
    Type: Grant
    Filed: December 8, 2017
    Date of Patent: August 6, 2019
    Assignee: Mycovia Pharmaceuticals, Inc.
    Inventors: William J. Hoekstra, David Dale Wirth, Tracy Ehiwe, Thierry Bonnaud
  • Publication number: 20190210994
    Abstract: The present invention relates to polymorphic forms of compound 1 or 1a and processes for preparing compound 1 and 1a polymorphs, which are useful as antifungal agents. In particular, the invention seeks to provide a new methodology for preparing polymorphs of compound 1 and substituted derivatives thereof.
    Type: Application
    Filed: February 8, 2019
    Publication date: July 11, 2019
    Inventors: William J. Hoekstra, David Dale Wirth, Tracy Ehiwe, Thierry Bonnaud
  • Publication number: 20180319768
    Abstract: The present invention relates to polymorphic forms of compound 1 or 1a and processes for preparing compound 1 and 1a polymorphs, which are useful as antifungal agents. In particular, the invention seeks to provide a new methodology for preparing polymorphs of compound 1 and substituted derivatives thereof.
    Type: Application
    Filed: December 8, 2017
    Publication date: November 8, 2018
    Inventors: William J. Hoekstra, David Dale Wirth, Tracy Ehiwe, Thierry Bonnaud
  • Publication number: 20180009811
    Abstract: Polymorphs of a hydrochloride salt of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one, compositions thereof, methods for their preparation, and methods for their use are disclosed. Solvent forms of a hydrochloride salt of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one, compositions thereof, methods for their preparation, and methods for their use are also disclosed.
    Type: Application
    Filed: June 16, 2017
    Publication date: January 11, 2018
    Inventors: Suzanne BUTTAR, Ernest CARRA, Tracy EHIWE, Duong TRAN, Fang WANG, Christopher WORRALL, Jerry Evarts
  • Patent number: 9840492
    Abstract: The present invention relates to polymorphic forms of compound 1 or 1a and processes for preparing compound 1 and 1a polymorphs, which are useful as antifungal agents. In particular, the invention seeks to provide a new methodology for preparing polymorphs of compound 1 and substituted derivatives thereof.
    Type: Grant
    Filed: March 17, 2016
    Date of Patent: December 12, 2017
    Assignee: Viamet Pharmaceuticals, Inc.
    Inventors: William J. Hoekstra, David Dale Wirth, Tracy Ehiwe, Thierry Bonnaud
  • Patent number: 9708327
    Abstract: Polymorphs of a hydrochloride salt of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one, compositions thereof, methods for their preparation, and methods for their use are disclosed. Solvent forms of a hydrochloride salt of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one, compositions thereof, methods for their preparation, and methods for their use are also disclosed.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: July 18, 2017
    Assignee: GILEAD CALISTOGA LLC
    Inventors: Suzanne Buttar, Ernest Carra, Tracy Ehiwe, Duong Tran, Fang Wang, Christopher Worrall, Jerry Evarts
  • Publication number: 20170121307
    Abstract: The present invention relates to polymorphic forms of compound 1 or 1a and processes for preparing compound 1 and 1a polymorphs, which are useful as antifungal agents. In particular, the invention seeks to provide a new methodology for preparing polymorphs of compound 1 and substituted derivatives thereof.
    Type: Application
    Filed: March 17, 2016
    Publication date: May 4, 2017
    Inventors: William J. Hoekstra, David Dale Wirth, Tracy Ehiwe, Thierry Bonnaud
  • Publication number: 20150175606
    Abstract: Polymorphs of a hydrochloride salt of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one, compositions thereof, methods for their preparation, and methods for their use are disclosed. Solvent forms of a hydrochloride salt of (S)-2-(1-(9H-purin-6-ylamino)propyl)-5-fluoro-3-phenylquinazolin-4(3H)-one, compositions thereof, methods for their preparation, and methods for their use are also disclosed.
    Type: Application
    Filed: December 18, 2014
    Publication date: June 25, 2015
    Inventors: Suzanne Buttar, Ernest Carra, Tracy Ehiwe, Duong Tran, Fang Wang, Christopher Worrall