Patents by Inventor Hans-Gerd Gerber

Hans-Gerd Gerber 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).

  • 2-Dihalogenomethylene-3-halogeno-3-carbalkoxy-5-oxopyrroli-dines, process for their manufacture and their use as fungicidal, bactericidal and algicidal compositions
    Patent number: 4305749
    Abstract: 2-Dihalogenomethylene-3-halogeno-3-carboalkoxy-5-oxopyrrolidines of the formula I ##STR1## wherein R.sup.1 is hydrogen or C.sub.1-4 alkyl,R.sup.2 is hydrogen C.sub.1-4 alkyl, C.sub.1-4 alkoxycarbonylmethyl, cyclohexyl, benzyl, C.sub.1-4 alkylphenyl, halogenophenyl, nitrophenyl, C.sub.1-4 alkoxyphenyl, trihalogenomethylphenyl or C.sub.1-4 alkoxycarbonylphenyl andX is halogen, a process for their manufacture and their use as pesticidal compositions.
    Type: Grant
    Filed: July 11, 1980
    Date of Patent: December 15, 1981
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Hilmar Mildenberger, Hans-Gerd Gerber, Karl Matterstock, Burkhard Sachse, Peter Hartz