Patents Assigned to CONTEXT BIOPHARMA INC.
  • Onapristone extended-release compositions and methods
    Patent number: 11672762
    Abstract: Onapristone extended-release formulations and methods of administering onapristone extended-release formulations are provided. Onapristone extended-release formulations provide sufficient therapeutic activity as compared to immediate-release formulations with reduced potential for adverse side effects.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: June 13, 2023
    Assignee: CONTEXT BIOPHARMA, INC.
    Inventors: Alexander Zukiwski, Stefan Proniuk
  • Methods for onapristone synthesis dehydration and deprotection
    Patent number: 11613555
    Abstract: Methods and systems for making onapristone (ONA) using acidic hydrolysis and dehydration with sulfuric acid in an alcoholic solution are provided.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: March 28, 2023
    Assignee: CONTEXT BIOPHARMA, INC.
    Inventors: Ulf Tilstam, Stefan Proniuk, Ferry Brands
  • Onapristone extended-release compositions and methods
    Patent number: 10786461
    Abstract: Onapristone extended-release formulations and methods of administering onapristone extended-release formulations are provided. Onapristone extended-release formulations provide sufficient therapeutic activity as compared to immediate-release formulations with reduced potential for adverse side effects.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: September 29, 2020
    Assignee: CONTEXT BIOPHARMA INC.
    Inventors: Alexander Zukiwski, Stefan Proniuk
  • Amorphous onapristone compositions and methods of making the same
    Patent number: 10548905
    Abstract: Amorphous forms of onapristone and methods of making such amorphous forms are provided. Amorphous forms can be characterized by their X-ray powder diffraction patterns and other properties.
    Type: Grant
    Filed: December 13, 2016
    Date of Patent: February 4, 2020
    Assignee: CONTEXT BIOPHARMA INC.
    Inventors: Harry G. Brittain, Stefan Proniuk
  • Methods of making onapristone intermediates
    Patent number: 10308676
    Abstract: Methods and systems for making intermediates in the synthesis of onapristone are provided. Aspects include the photoconversion of onapristone synthesis intermediates using a narrow band frequency light source.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: June 4, 2019
    Assignee: CONTEXT BIOPHARMA INC.
    Inventors: Ulf Tilstam, Stefan Proniuk, Holger Bindernagel, Silvia Werner, Holger Rauter