Patents by Inventor Franz A. Kaufmann-Schmid, deceased

Franz A. Kaufmann-Schmid, deceased 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).

  • Multidrug resistance modifying dithianes
    Patent number: 5302727
    Abstract: Compounds of the formula ##STR1## wherein R is a residue of the formula ##STR2## and R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, X, Y and Z are as described, with the exception of rac-N-(3,4-dimethoxyphenethyl)-2-(3,4-dimethoxyphenyl)-.beta.,N-dimethyl-m -dithiane-2-propanamine, as well as their acid addition salts, in particular for use in eliminating cytostatic resistance in tumor treatment and chloroquine resistance in malaria.
    Type: Grant
    Filed: July 15, 1992
    Date of Patent: April 12, 1994
    Assignee: Hoffmann-La Roche Inc.
    Inventors: James F. Eliason, Henri Ramuz, Franz A. Kaufmann-Schmid, deceased