Patents by Inventor Ernst-Jurgen Schneider

Ernst-Jurgen Schneider 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).

  • Use of xanthine derivatives for the treatment of nerve damage following an interruption in blood circulation
    Patent number: 5922868
    Abstract: Use of xanthine derivatives for the treatment of nerve damage following an interruption in blood circulation.The invention relates to the use of xanthine derivatives of the formula I ##STR1## in which R.sup.2 is a (C.sub.1 -C.sub.4)-alkyl group and at least one of the symbols R.sup.1 and R.sup.3 is a radical of the formula II or III ##STR2## in which A is CHOH, CO or dioxolane, R.sup.4 is a hydrogen atom or a (C.sub.1 -C.sub.4)-alkyl group and n is 0 to 5, and in which R.sup.5 and R.sup.6 are hydrogen atoms or (C.sub.1 -C.sub.4)-alkyl groups or, together with the nitrogen atom to which they are bonded, form a 5- to 7-membered ring, it being possible for one carbon atom to be replaced by an oxygen or nitrogen atom, m is 1 or 2 and the other radical R.sup.1 or R.sup.3, if appropriate, is a hydrogen atom, a (C.sub.1 -C.sub.6)-alkyl group or a (C.sub.3 -C.sub.
    Type: Grant
    Filed: December 22, 1995
    Date of Patent: July 13, 1999
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Werner Thorwart, Harald Furrer, Erhard Wolf, Ulrich Gebert, Erhard Rossmanith, John J. Grome, Ernst-Jurgen Schneider