Patents by Inventor Heinz G. Viehe

Heinz G. Viehe 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).

  • Acylated enamides and pharmaceutical compositions containing them
    Patent number: 4673690
    Abstract: The acylated enamide compounds are acylated enamides corresponding to the general formula ##STR1## in which Z represents an electron donor group,n is 1, 2 or 3, andR.sup.1 represents hydrogen, a halogen or any organic group,or salts, complexes, alkylated derivatives or acylated derivatives of these compounds.Typical acylated enamide compounds according to the invention correspond to the formula ##STR2## These acylated enamide compounds and the pharmaceutical compositions containing the compounds are useful in the prevention and treatment of cancers.
    Type: Grant
    Filed: August 23, 1984
    Date of Patent: June 16, 1987
    Assignee: Biotec
    Inventors: Marcel B. Roberfroid, Heinz G. Viehe, Francoise M. Hervens
  • Preparation of acetylene copolymers
    Patent number: 4359563
    Abstract: Copolymers of acetylene are prepared by catalytic polymerization of mixtures of acetylene and heteroalkynes with Ziegler catalysts. The polymers may be used as pigments or as colored coatings on metal, glass or plastic.
    Type: Grant
    Filed: May 19, 1981
    Date of Patent: November 16, 1982
    Assignee: BASF Aktiengesellschaft
    Inventors: Herbert Naarmann, Klaus Penzien, Heinz G. Viehe