Patents by Inventor Ekkehard Weiss

Ekkehard Weiss 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).

  • Intermediates for the preparation of substituted 2-phenyl-1,3-dioxolanes
    Patent number: 4720546
    Abstract: The compounds of the formula ##STR1## wherein one of the symbols Q and Q' is the group --CH.dbd. and the other is the group --CH.dbd. or --N.dbd., R.sup.1, R.sup.2 and R.sup.3 each independently are hydrogen or halogen and n is the integer 0, 1 or 2, and their pharmaceutically acceptable acid addition salts, which have valuable antimycotic properties and can be used for the control of infections caused by pathogenic fungi, are described.
    Type: Grant
    Filed: November 4, 1986
    Date of Patent: January 19, 1988
    Assignee: Hoffman-La Roche Inc.
    Inventors: Ivan Kompis, Ekkehard Weiss
  • Substituted 2-phenyl-1,3-dioxolanes
    Patent number: 4640918
    Abstract: The compounds of the formula ##STR1## wherein one of the symbols Q and Q' is the group --CH.dbd. and the other is the group --CH.dbd. or --N.dbd., R.sup.1, R.sup.2 and R.sup.3 each independently are hydrogen or halogen and n is the integer 0, 1 or 2,and their pharmaceutically acceptable acid addition salts, which have valuable antimycotic properties and can be used for the control of infections caused by pathogenic fungi, are described.
    Type: Grant
    Filed: August 12, 1985
    Date of Patent: February 3, 1987
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Ivan Kompis, Ekkehard Weiss