Patents by Inventor Johannes-Maximilian Weisenberger

Johannes-Maximilian Weisenberger 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 benzoxazin-2-ones and pharmaceutical compositions containing them
    Patent number: 4518597
    Abstract: This invention is directed to novel benzoxazin-2-ones of the formula ##STR1## wherein A is a sulfur atom or an SO, SO.sub.2, R--N.dbd.S, or R--N.dbd.SO.sub.2 group where R is a hydrogen atom or an acyl group;D is an alkylene group;R.sub.1 is an alkyl, phenylalkyl, cycloalkyl, or phenyl group;R.sub.4 is a hydrogen atom or an alkyl group;R.sub.5 is a hydrogen or halogen atom or a nitro or alkyl group; andR.sub.6 is a hydrogen or halogen atom or an alkyl group,having valuable pharmacological properties, particularly an antithrombotic activity. The compounds of Formula I may be prepared by the methods used for analogous compounds.
    Type: Grant
    Filed: June 6, 1984
    Date of Patent: May 21, 1985
    Assignee: Dr. Karl Thomae GmbH
    Inventors: Berthold Narr, Josef Nickl, Erich Muller, Josef Roch, Walter Haarmann, Johannes-Maximilian Weisenberger