Patents by Inventor Kinga Trzcinska

Kinga Trzcinska 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).

  • ACID ADDITION SALT OF PYRIMETHAMINE
    Publication number: 20220235012
    Abstract: Acid addition salt of pyrimethamine (5-4-chlorophenyl)-6-ethyl-2,4-pyrimidinediamine) and methane sulfonic acid, process for its preparation and pharmaceutical compositions comprising the acid addition salt are disclosed.
    Type: Application
    Filed: March 22, 2019
    Publication date: July 28, 2022
    Inventors: LUKAWSZ KACZMAREK, MARTA LASZCZ, GRZEGORZ HUSZCZA, MALGORZATA SKAZNIK, MARTA ZEZULA, ALEKSANDRA GROMAN, ELZBIETA STOLARCZYK, MAREK KUBISZEWSKI, KINGA TRZCINSKA, KRZYSZTOF KUZIAK
  • NEW SYNTHONES FOR PREPARATION OF 19-NOR VITAMIN D DERIVATIVES
    Publication number: 20130006003
    Abstract: The present invention discloses the synthone of Formula (I), wherein R1 and R2 are the same or different and represent independently hydrogen atom or hydroxyl protecting group, and its use for preparation of 19-nor vitamin D derivatives of general Formula (IV), wherein represents single or double bond, p represents an integer 0 to 3, R1 and R2 represent independently hydrogen atom or hydroxyl protecting group, R3 represents hydrogen atom, CH3 or hydroxyl group, R4, R5 and R6 represent independently hydrogen atom, C1-C3-alkyl or hydroxyl group or two of R4, R5 and R6 substituents altogether form cyclopropyl group, in particular for preparation of paricalcitol.
    Type: Application
    Filed: August 7, 2010
    Publication date: January 3, 2013
    Applicant: INSTYTUT FARMACEUTYCZNY
    Inventors: Michal Chodynski, Malgorzata Krupa, Krzysztof Krajewski, Marek Kubiszewski, Andrzej Kutner, Anita Pietraszek, Kinga Trzcinska