Patents by Inventor Wolfgang Roben

Wolfgang Roben 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).

  • 2,4'-bridged bis-2,4-diaminoquinazolines
    Patent number: 5739127
    Abstract: The present invention provides 2,4'-bridged bis-2,4-diaminoquinazolines of the general formula (I): ##STR1## in which the indicated substituents are as defined in the description. The invention also provides a process for the preparation of the compounds of the formula (I), drugs containing said compounds and processes for the preparation of drugs containing said compounds.
    Type: Grant
    Filed: November 8, 1996
    Date of Patent: April 14, 1998
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rudolf Schohe-Loop, Peter-Rudolf Seidel, William Bullock, Gabriele Handke, Achim Feurer, Wolfgang Roben, Georg Terstappen, Joachim Schuhmacher, Franz-Josef van der Staay, Bernard Schmidt, Richard J. Fanelli, Jane C. Chisholm, Richard T. McCarthy
  • Use of substituted chromans, some of which are known, as medicaments, new active compounds and processes for their preparation
    Patent number: 5492918
    Abstract: The present invention relates to the use of substituted chromans of the general formula (I) ##STR1## in which the substituents have the meaning indicated in the description, for the production of medicaments, in particular as HIV protease-inhibiting agents, new active compounds and processes for their preparation.
    Type: Grant
    Filed: June 1, 1994
    Date of Patent: February 20, 1996
    Assignee: Bayer Aktiengesellschaft
    Inventors: Hanno Wild, Wolfgang Bender, Dieter Habich, Hans-Georg Heine, Siegfried Raddatz, Wolfgang Roben, Jutta Hansen, Arnold Paessens
  • Trifluoromethyl-containing pseudopeptides active against retroviruses
    Patent number: 5430151
    Abstract: The present invention relates to new trifluoromethyl-containing pseudopeptides of the general formula (I) ##STR1## in which W, A, B, D, E, R.sub.1, R.sub.2 and R.sub.3 have the meaning as outlined of their making and use as pharmaceuticals.
    Type: Grant
    Filed: July 24, 1992
    Date of Patent: July 4, 1995
    Assignee: Bayer Aktiengesellschaft
    Inventors: Dieter Habich, Wolfgang Roben, Jutta Hansen, Arnold Paessens
  • Parasiticidal avermectin derivatives
    Patent number: 4916120
    Abstract: Parasiticidally active avermectin derivatives of the formula ##STR1## in which R.sup.1 stands for hydrogen, OH, C.sub.1-5 -alkanoyloxy, .alpha.-L-oleandrosyloxy, .alpha.-L-oleandrosyl-.alpha.-L-oleandrosyloxy, 4'-C.sub.1-5 -alkanoyl-.alpha.-oleandrosyloxy or 4"-C.sub.1-5 -alkanoyl-.alpha.-L-oleandrosyl-.alpha.-L-oleandrosyloxy,R.sup.2 stands for hydrogen, OH, C.sub.1-5 -alkanoyloxy, or R.sup.2 stands for hydrogen when there is a double bond between C22 and C23,R.sup.3 stands for straight-chain or branched alkyl or alkenyl, andR.sup.4 stands for hydrogen, OH, C.sub.1-5 -alkanoyloxy, heterocyclylcarbonyloxy, or the bond between the C atoms C22 and C23 is a single or a double bond and the double bond of the cyclohexene ring can be between the C atoms C3 and C4 or between the C atoms C4 and C5.
    Type: Grant
    Filed: August 1, 1988
    Date of Patent: April 10, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Wolfgang Roben, Stendel Wilhelm, Peter Andrews