Patents by Inventor Dietmar Beilefeldt

Dietmar Beilefeldt 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).

  • Patent number: 4990633
    Abstract: New fluorinated bisaryloxy-substituted alkenes are prepared by reaction of substituted phenols with perhaloalkenes and can be used as electrical insulating agents.
    Type: Grant
    Filed: May 4, 1989
    Date of Patent: February 5, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Michael Negele, Dietmar Beilefeldt, Thomas Himmler, Albrecht Marhold
  • Patent number: 4954162
    Abstract: Fungicidal and plant-growth regulating azolymethyl-cyclopropyl carbinol derivatives of the formula ##STR1## in which R represents perfluroalkyl having 1 to 4 carbon atoms, trichloromethyl, difluorochloromethyl or fluorodichloromethyl,R.sup.1 represents hydrogen, alkl or acyl,Z represents halogen, alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms, alkylthio having 1 to 4 carbon atoms, halogenoakyl having 1 or 2 carbon atoms and 1 to 5 halogen atoms, halogenoalkoxy having 1 or 2 carbon atoms and 1 to 5 halogen atoms, halogenoalkythio having 1 to 2 carbon atoms and 1 to 5 halogen atoms, phenyl which is optionally substituted by alkyl having 1 to 2 carbon atoms and/or halogen, or phenoxy which is optionally substituted by alkyl having 1 or 2 carbon atoms and/or halogen,m represents the numbers 0, 1, 2 or 3 andn represents the numbers 0, 1 or 2 andX represents nitrogen or a CH group, and addition products thereof with acids and metal salts.
    Type: Grant
    Filed: June 9, 1988
    Date of Patent: September 4, 1990
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Stroech, Dietmar Beilefeldt, Wilhelm Brandes, Stefan Dutzmann