Patents by Inventor Oldrich SMEKAL

Oldrich SMEKAL 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: 20240092785
    Abstract: The presented invention relates to a process for preparation of Ibrutinib, comprising: a. Reacting compound of Formula (2) with compound of Formula (3) in a presence of Lewis acid to provide compound of Formula (4); b. Contacting compound of Formula (4) with toluene; c. Isolate a solid form of compound of Formula (4); d. Transforming compound of Formula (4) into Ibrutinib.
    Type: Application
    Filed: January 20, 2022
    Publication date: March 21, 2024
    Inventors: Petr MITAS, Libor VYKLICKY, Jiri BARTL, Oldrich SMEKAL
  • Publication number: 20240034732
    Abstract: The present invention relates to a process for preparation of palbociclib, compound of formula (1) or a salt thereof, wherein an intermediate, compound (2), is formed by reacting a compound of formula (3) and a compound of formula (4) in a solvent mixture comprising methanol and butanol: The intermediate (2) can be transformed into palbociclib or a salt thereof.
    Type: Application
    Filed: September 26, 2023
    Publication date: February 1, 2024
    Inventors: Petr MITAS, Oldrich SMEKAL
  • Patent number: 11858928
    Abstract: The present invention related to a process for preparation of compound of formula (1) or a salt thereof (i.e.
    Type: Grant
    Filed: May 21, 2019
    Date of Patent: January 2, 2024
    Assignee: Synthon B.V.
    Inventors: Petr Mitas, Oldrich Smekal
  • Publication number: 20220242829
    Abstract: The presented invention relates to a process for preparation of Enzalutamide, compound (1) or a salt or a solvate thereof Formula (1). The presented invention also related to 1,4-dioxane solvate of compound (1).
    Type: Application
    Filed: June 25, 2020
    Publication date: August 4, 2022
    Inventors: Petr MITAS, Oldrich SMEKAL
  • Publication number: 20210206761
    Abstract: The presented invention relates to a process for preparation of compound of formula (1) or a salt thereof (i.e.
    Type: Application
    Filed: May 21, 2019
    Publication date: July 8, 2021
    Inventors: Petr MITAS, Oldrich SMEKAL