Patents by Inventor Michael B. Johansen

Michael B. Johansen 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).

  • 2,6-DICHLOROPHENYL ESTER COMPOUNDS AND USE THEREOF
    Publication number: 20240139333
    Abstract: The present disclosure relates to 2,6-dichlorophenylester compounds. Also disclosed are methods for using the same for the preparation of certain conjugates.
    Type: Application
    Filed: November 17, 2023
    Publication date: May 2, 2024
    Inventors: Matthew Guest, Michael B. Johansen, Stuart J. Mahoney
  • MACROCYCLIC CHELATES AND USES THEREOF
    Publication number: 20210395281
    Abstract: The present disclosure relates to macrocyclic chelates including a macrocyclic chelating moiety of a metal complex thereof, a bifunctional linker, and a therapeutic or targeting moiety. Also disclosed are methods for preparation of the same, and use thereof.
    Type: Application
    Filed: January 8, 2021
    Publication date: December 23, 2021
    Inventors: Stuart J. Mahoney, Michael B. Johansen, Matthew D. Moran, Melissa Chassé, Ryan W. Simms, Eric S. Burak, John F. Valliant
  • Processes for the preparation of Tasimelteon and intermediates thereof
    Patent number: 9944616
    Abstract: The present invention provides processes for the preparation of Tasimelteon (1), as well as processes for the preparation of intermediates of Formulas (2), (3) and (4) useful in the preparation of Tasimelteon (1).
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: April 17, 2018
    Assignee: Apotex Inc.
    Inventors: Yajun Zhao, Murali Kondamreddy, Peter Garth Blazecka, Gamini Weeratunga, Craig Stewart, Nalini Nagireddy, Michael B. Johansen, Uma Kotipalli
  • Processes for the Preparation of Tasimelteon and Intermediates Thereof
    Publication number: 20170355688
    Abstract: The present invention provides processes for the preparation of Tasimelteon (1), as well as processes for the preparation of intermediates of Formulas (2), (3) and (4) useful in the preparation of Tasimelteon (1).
    Type: Application
    Filed: June 6, 2017
    Publication date: December 14, 2017
    Inventors: Yajun Zhao, Murali Kondamreddy, Peter Garth Blazecka, Gamini Weeratunga, Craig Stewart, Nalini Nagireddy, Michael B. Johansen, Uma Kotipalli
  • Processes for the Preparation of Rotigotine and Intermediates Thereof
    Publication number: 20170305877
    Abstract: The present invention provides processes for the preparation of a compound of Formula 2 or a salt thereof, wherein R1 is selected from the group consisting of H, C1-C3 alkyl, and C(0)R3; R3 is selected from the group consisting of C1-C6 alkyl, C6-C10aryl and C7-C20 arylalkyl; the carbon atom marked with “*” is racemic, enantiomerically enriched in the (R)-configuration, or enantiomerically enriched in the (S)-configuration. Also provided are intermediate compounds of the processes.
    Type: Application
    Filed: September 23, 2015
    Publication date: October 26, 2017
    Inventors: Michael B. Johansen, Probal Kanti Datta, Yajun Zhao, Gamini Weeratunga
  • 1,3-Oxathiolane derivatives, process for the preparation of 1,3-Oxathiolane derivatives and intermediates thereof
    Patent number: 8835638
    Abstract: This invention relates to 1,3-oxathiolane derivatives (I), processes for the preparation of 1,3-oxathiolane derivatives and intermediate compounds thereof.
    Type: Grant
    Filed: April 12, 2013
    Date of Patent: September 16, 2014
    Assignee: Apotex Pharmachem Inc.
    Inventors: Craig Stewart, Michael B. Johansen, Probal Kanti Datta, Yajun Zhao
  • 1,3-OXATHIOLANE DERIVATIVES, PROCESS FOR THE PREPARATION OF 1,3-OXATHIOLANE DERIVATIVES AND INTERMEDIATES THEREOF
    Publication number: 20130274474
    Abstract: This invention relates to 1,3-oxathiolane derivatives (I), processes for the preparation of 1,3-oxathiolane derivatives and intermediate compounds thereof.
    Type: Application
    Filed: April 12, 2013
    Publication date: October 17, 2013
    Applicant: APOTEX PHARMACHEM INC.
    Inventors: Craig Stewart, Michael B. Johansen, Probal Kanti Datta, Yajun Zhao