Patents by Inventor Krzysztof Walczynski

Krzysztof Walczynski 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).

  • Substituted N, N-dimethylaminoalkyl ethers of isoflavanone oximes as H-receptor antagonists
    Patent number: 9573921
    Abstract: The present invention relates to compounds of formula (I), and salts thereof and the pharmaceutical composition containing them in treatment of various diseases, as allergic rhinitis where R1 and R2 are, independently, hydrogen, halogen, C1_3 alkyl or C1-3alkoxy; R3 is phenyl optionally substituted by R4 and R5 which are, independently hydrogen, halogen, C1-3 alkyl, C1-3-alkoxy, fluoro-, difluoro- and trifluoromethyl, nitrile group, N,N-diC1-3alkyl-amide, carboC1-3 alkoxy or C1-3alkylsulphone groups; R3 is pyridyl group containing nitrogen at various positions in the benzene ring, n is one of the integers 1 or 2.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: February 21, 2017
    Assignee: Polfarmex S.A.
    Inventors: Piotr Kopczacki, Mieczyslaw Wosko, Jaroslaw Walczak, Krzysztof Walczynski
  • NOVEL SUBSTITUTED N, N-DIMETHYLAMINOALKYL ETHERS OF ISOFLAVANONE OXIMES AS H1-RECEPTOR ANTAGONISTS
    Publication number: 20160237055
    Abstract: The present invention relates to compounds of formula (I), and salts thereof and the pharmaceutical composition containing them in treatment of various diseases, as allergic rhinitis where R1 and R2 are, independently, hydrogen, halogen, C1_3 alkyl or C1-3alkoxy; R3 is phenyl optionally substituted by R4 and R5 which are, independently hydrogen, halogen, C1-3 alkyl, C1-3-alkoxy, fluoro-, difluoro- and trifluoromethyl, nitrile group, N,N-diC1-3alkyl-amide, carboC1-3 alkoxy or C1-3alkylsulphone groups; R3 is pyridyl group containing nitrogen at various positions in the benzene ring, n is one of the integers 1 or 2.
    Type: Application
    Filed: September 30, 2013
    Publication date: August 18, 2016
    Inventors: Piotr Kopczacki, Mieczyslaw Wosko, Jaroslaw Walczak, Krzysztof Walczynski