Patents by Inventor Helmut Stingl

Helmut Stingl 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).

  • Fungicidal dispersions
    Patent number: 4078070
    Abstract: Dispersions of 2-methyl-5,6-dihydropyran-3-carboxylic acid anilide and benzimidazole-2-carbamic acid methyl ester or 1-n-butylcarbamoyl-benzimidazole-2-carbamic acid methyl ester in paraffinic mineral oils, liquid triglycerides and/or liquid esters of C.sub.1 to C.sub.12 monoalcohols have a synergistic effect against rust and other fungus diseases. The dispersions are stabilized against crystal growth by adding aluminum chelates of certain hydroxy-quinones, e.g., alizarin.
    Type: Grant
    Filed: September 9, 1975
    Date of Patent: March 7, 1978
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Konrad Albrecht, Heinz Frensch, Kurt Hartel, Helmut Stingl
  • Fungicidal compositions
    Patent number: 3961052
    Abstract: Pesticidal compositions containing as active ingredients 2-(O,O-diethyl-thionophosphoryl)-5-methyl-6-carbethoxy-pyrazolo-(1,5a)-pyr imidine in admixture with (a) 2-methoxycarbonylamino-benzimidazole or (b) 1-(N-butylcarbamoyl)-2-methoxycarbonyl-amino-benzimidazole or (c) 1,2-bis(3-ethoxycarbonyl-2-thioureido)-benzene or (d) 1,2-bis-(3-methoxycarbonyl-2-thioureido)-benzene or (e) 1-(3-methoxycarbonyl-2-thioureido)-2-aminobenzene have a synergistic effect against phytopathogenic fungi.
    Type: Grant
    Filed: December 3, 1974
    Date of Patent: June 1, 1976
    Assignee: Hoechst Aktiengesellschaft
    Inventor: Helmut Stingl