Patents by Inventor Konrad ZIELINSKI

Konrad ZIELINSKI 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).

  • METHOD AND INTERMEDIATE COMPOUNDS FOR THE PREPARATION OF MENAQUINONE MK-7
    Publication number: 20230250041
    Abstract: The invention relates to a method and intermediate compounds for the preparation of menaquinone MK-7. The method for the preparation of menaquinone MK-7 is characterized in that, it comprises coupling of a compound of formula (11) with a compound of formula (17) in the presence of a base, to obtain a compound of formula (18), which is subjected to desulfonylation reaction in the presence of a palladium catalyst, to obtain a compound of formula (19), which is subjected to oxidation reaction, to obtain menaquinone MK-7. The invention also relates to compound (8), preferably in a crystalline form, which is a convenient intermediate compound for the preparation of menaquinone MK-7.
    Type: Application
    Filed: July 16, 2021
    Publication date: August 10, 2023
    Inventors: Andrzej KRUKOWSKI, Konrad ZIELINSKI
  • Process of vitamin Kderivatives preparation
    Patent number: 11407704
    Abstract: Provided is an improved process of vitamin K2 derivatives preparation, represented by formula (I) wherein n is an integer from 3 to 13.
    Type: Grant
    Filed: April 6, 2019
    Date of Patent: August 9, 2022
    Assignee: Siec Badawcza Lukasiewicz-Instytut Chemii Przemyslowej imienia Profesora Ignacego Moscickiego
    Inventors: Katarzyna Sidoryk, Marek Napiorkowski, Agnieszka Burzynska-Prajzner, Marcin Cybulski, Marek Kubiszewski, Kamil Jatczak, Lukasz Jedynak, Jerzy Winiarski, Dorota Pietrzkowska, Konrad Zielinski
  • PROCESS OF VITAMIN K2 DERIVATIVES PREPARATION
    Publication number: 20210317060
    Abstract: Provided is an improved process of vitamin K2 derivatives preparation, represented by formula (I) wherein n is an integer from 3 to 13.
    Type: Application
    Filed: April 6, 2019
    Publication date: October 14, 2021
    Inventors: Katarzyna SIDORYK, Marek NAPIORKOWSKI, Agnieszka BURZYNSKA-PRAJZNER, Marcin CYBULSKI, Marek KUBISZEWSKI, Kamil JATCZAK, Lukasz JEDYNAK, Jerzy WINIARSKI, Dorota PIETRZKOWSKA, Konrad ZIELINSKI