Patents by Inventor Louis J. E. Van der Veken

Louis J. E. Van der Veken 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).

  • Patent number: 5637592
    Abstract: The invention is concerned with the compounds having the formula ##STR1## the pharmaceutically acceptable addition salts and the stereochemically isomeric forms thereof, wherein Y is CH or N; R.sup.1, R.sup.2 and R.sup.3 each independently are hydrogen or C.sub.1-4 alkyl; R.sup.4 and R.sup.5 each independently are hydrogen, halo, C.sub.1-4 alkyl, C.sub.1-4 alkyloxy, hydroxy, trifiuoromethyl, trifiuoromethyloxy or difluoromethyloxy; R.sup.6 is hydrogen; or R.sup.6 is phenyl optionally substituted with halo; pyridinyl; furanyl; thienyl; 3-chloro-benzo[b]thien-2-yl; trifiuoromethyl; C.sub.1-4 alkyloxycarbonyl; dihalophenylcyclopropanyl; C.sub.3-6 cycloalkyl; adamantyl; C.sub.2-6 alkenyl optionally substituted with halophenyl; or C.sub.1-4 alkyl optionally substituted with halo, phenyl, halophenyl, dihalophenyl, phenyloxy, piperidinyl, pyrrolidinyl, piperazinyl, C.sub.1-4 alkylpiperazinyl, C.sub.1-4 alkylcarbonylpiperazinyl, C.sub.1-4 alkyloxycarbonylpiperazinyl, phthalimino, amino, mono- or di(C.sub.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: June 10, 1997
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Jan Heeres, Raymond A. Stokbroekx, Joseph H. Mostmans, Louis J. E. Van der Veken
  • Patent number: 5571811
    Abstract: The invention is concerned with the compounds having the formula ##STR1## the pharmaceutically acceptable addition salts and the stereochemically isomeric forms thereof, wherein Y is CH or N; R.sup.1, R.sup.2 and R.sup.3 each independently are hydrogen or C.sub.1-4 alkyl; R.sup.4 and R.sup.5 each independently are hydrogen, halo, C.sub.1-4 alkyl, C.sub.1-4 alkyloxy, hydroxy, trifluoromethyl, trifluoromethyloxy or difluoromethyloxy; R.sup.6 is C.sub.1-4 alkyl; or phenyl optionally substituted with halo, C.sub.1-4 alkylcarbonylamino, C.sub.1-4 alkyloxy, C.sub.1-4 alkyl or nitro; Z is C.dbd.O or CHOH; and ##STR2## is a radical of formula ##STR3## Compositions comprising said compounds, processes for preparing the same and the use of these compounds as a method of treating Helicobacter infection.
    Type: Grant
    Filed: May 23, 1995
    Date of Patent: November 5, 1996
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Jan Heeres, Raymond A. Stokbroekx, Joseph H. Mostmans, Louis J. E. Van der Veken
  • Patent number: 4916134
    Abstract: 4-[4-[4-[4-[[2-(2,4-difluorophenyl)-2-(1H-azolylmethyl)-1,3-dioxolan-4-yl]m ethoxy]phenyl]-1-piperazinyl]phenyl]triazolones, their pharmaceutically acceptable acid addition salts and stereoisomeric forms having improved antimicrobial properties, compositions containing the same, and methods of inhibiting and/or eliminating the development of fungi and bacteria in warm-blooded animals suffering from diseases caused by these fungi and/or bacteria.
    Type: Grant
    Filed: April 7, 1989
    Date of Patent: April 10, 1990
    Assignee: Janssen Pharmacuetica N.V.
    Inventors: Jan Heeres, Leo J. J. Backx, Louis J. E. Van der Veken
  • Patent number: 4490540
    Abstract: The present invention relates to a series of (2-aryl-4-phenylthioalkyl-1,3-dioxolan-2-ylmethyl)azole derivatives which are useful as antifungal and antineoplastic agents.
    Type: Grant
    Filed: April 29, 1983
    Date of Patent: December 25, 1984
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Jan Heeres, Louis J. E. Van der Veken