Patents by Inventor David J. Lehs

David J. Lehs 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: 5637553
    Abstract: A composition containing an effective amount of a herbicide and an aqueous ammoniacal ionic solution of metal alkanoates is disclosed. Alkanoates having from 2 to 6 carbon atoms are preferred, with acetates most preferred. Metals selected from the group consisting of boron, calcium, copper, iron, magnesium, manganese, molybdenum, potassium, sodium and zinc are preferred, with zinc particularly preferred. Both broadleaf and grass herbicides are preferred, with herbicides having an active ingredient selected from the group consisting of quizalofop, sodium salt of bentazon, sodium salt of acifluorfen, chlorimuron ethyl, lactofen, fluazifop-p-butyl, fenoxaprop-ethyl, methyl 3-[[[.sub.[4-methoxy-6-methyl-1,3,5-triazin-2-yl] amino]carbonyl]amino]sulfonyl]2-thiophenecarboxylate, 2-[1-.sub.ethoxyimon] butyl]-5-[2-.sub.[ethylthio] propyl]-3-hydroxy-2-cyclohexene-1-one, and ammonium salt of imazethapyre.
    Type: Grant
    Filed: July 29, 1996
    Date of Patent: June 10, 1997
    Assignee: Platte Chemical Company
    Inventors: David J. Lehs, John Pickle
  • Patent number: 5541152
    Abstract: A composition containing an effective amount of a herbicide and an aqueous ammoniacal ionic solution of metal alkanoates is disclosed. Alkanoates having from 2 to 6 carbon atoms are preferred, with acetates most preferred. Metals selected from the group consisting of boron, calcium, copper, iron, magnesium, manganese, molybdenum, potassium, sodium and zinc are preferred, with zinc particularly preferred. Both broadleaf and grass herbicides are preferred, with herbicides having an active ingredient selected from the group consisting of quizalofop, sodium salt of bentazon, sodium salt of acifluorfen, chlorimuron ethyl, lactofen, fluazifop-p-butyl, fenoxaprop-ethyl, methyl 3-[[[[4-methoxy-6-methyl-1,3,5-triazin-2-yl]amino]carbonyl]amino]sulfonyl] 2-thiophenecarboxylate, 2-[1-ethoxyimon]butyl]-5-[2-[ethylthio]propyl]-3-hydroxy-2-cyclohexene-1-o ne, and ammonium salt of imazethapyre. The composition of the present invention is applied postemergence to crops using conventional broadcast spray techniques.
    Type: Grant
    Filed: August 19, 1994
    Date of Patent: July 30, 1996
    Assignee: Platte Chemical Company
    Inventor: David J. Lehs