Patents by Inventor Gerd Hannsler

Gerd Hannsler 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: 4994480
    Abstract: Fungicidal substituted triazolylmethylcarbinols of the formula ##STR1## in which n stands for the numbers 0 or 1,Ar stands for optionally substituted phenyl or for optionally substituted naphthyl,R.sup.1 stands for hydrogen, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkinyl, optionally substituted aralkyl, cycloalkyl or optionally substituted heteroarylalkyl,R.sup.2 stands for alkyl, cycloalkyl, cycloalkylalkyl or alkenyl,R.sup.3 stands for methyl andR.sup.4 stands for methyl orR.sup.3 and R.sup.4 together stand for ethane-1,2-diyl, and addition products thereof with acids and metal salts. Intermediates of the formulas ##STR2## in which R.sup.6 stands for alkyl having more than one carbon atom, cycloalkyl, cycloalkylalkyl or alkenyl, are also new.
    Type: Grant
    Filed: April 12, 1989
    Date of Patent: February 19, 1991
    Assignee: Bayer Aktiengesellschaft
    Inventors: Karl H. Buchel, Graham Holmwood, Gerd Hannsler, Wilhelm Brandes, Stefan Dutzmann