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Dive into the research topics where Hellmut Hoffmann is active.

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Featured researches published by Hellmut Hoffmann.


Archive | 1979

N-Acetyl-O-(1-fluoro-2-chloroethyl)-thio-phosphoric (phosphonic) acid esteramides, process for their preparation and their use as insecticides, acaricides and nematocides

Hellmut Hoffmann; Dieter Arlt; Ingeborg Hammann; Bernhard Homeyer; Wilhelm Stendel


Archive | 1975

N-DITHIOPHOSPHORYL-CARBAMIC ACID ESTERS

Hellmut Hoffmann; Wolfgang Behrenz; Ingeborg Hammann; Bernhard Homeyer


Archive | 1975

S-Triazolymethyl thiophosph(on)ates - insecticides, acaricides and nematocides

Walter Lorenz; Hellmut Hoffmann; Ingeborg Hammann; Wolfgang Behrenz; Bernhard Homeyer


Archive | 1984

PROCESS FOR PREPARING ALPHA-HYDROXYBENZYLPHOSPHONIC-ACID ESTERS

Hellmut Hoffmann


Archive | 1981

2-(Thi)oxo-1,3,2-oxazaphospholanes, process for their preparation and their use as synergists in pesticides.

Hellmut Hoffmann; Bernd-Wieland Krüger; Wolfgang Behrenz


Archive | 1979

Insecticidal, acaricidal phenoxy-benzyl thio:ester derivs. - prepd. e.g. by reaction of a mono- or di-thio:carboxylic acid with a 3-phenoxy-benzyl halide

Rainer Dr. Fuchs; Hellmut Hoffmann; Rolf Dr Schroeder; Ingeborg Hammann; Bernhard Homeyer


Archive | 1977

O-alkyl-S-alkyl-O-(4-trifluoromethylthio-phenyl)-(thiono)-thiol-phosphoric acid esters and pesticidal compositions and methods

Hellmut Hoffmann; Erich Klauke; Ingeborg Hammann; Wilhelm Stendel


Archive | 1973

O-ALKYL-O-(1,3-DISUBSTITUTED-PYRAZOL(5)YL)-(THIONO)-PHOSPHORIC(PHOSPHONIC)ACID ESTERS

Hellmut Hoffmann; Ingeborg Hammann; Wolfgang Behrenz


Archive | 1969

Pyrazolo-(thiono)-phosphor(phosphon)-saeureester,Verfahren zu ihrer Herstellung und ihre Verwendung als Insektizide und Akarizide

Hellmut Hoffmann; Ingeborg Hammann; Guenter Unterstenhoefer


Archive | 1984

2-(Thi)oxo-1,3,2-oxazaphospholanes as synergizing agents for pesticides

Hellmut Hoffmann; Bernd-Wieland Krüger; Wolfgang Behrenz

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