HH

Hellmut Hoffmann

BH Bayer Healthcare: 20 patents #483 of 8,007Top 7%
📍 Wuppertal, DE: #113 of 1,656 inventorsTop 7%
Overall (All Time): #226,767 of 4,157,543Top 6%
20
Patents All Time

Issued Patents All Time

Showing 1–20 of 20 patents

Patent #TitleCo-InventorsDate
4678777 Pest-combating agents containing phosphorus-heterocyclic compounds Bernd-Wieland Kruger, Ernst Roos, Wolfgang Behrenz 1987-07-07
4609646 2-(thi)oxo-1,3,2-oxazaphospholanes as synergizing agents for pesticides Bernd-Wieland Kruger, Wolfgang Behrenz 1986-09-02
4489013 Preparation of .alpha.-oxo-.alpha.-(3-alkoxycarbonyl-2,2-dimethyl-cycloprop-1-yl)-metha ne-phosphonic acid esters 1984-12-18
4473558 2-(Thi)oxo-1,3,2-oxazaphospholanes as synergizing agents for pesticides Bernd-Wieland Kruger, Wolfgang Behrenz 1984-09-25
4420435 Alpha-hydroxy-phosphonic acid esters Fritz Maurer, Uwe Priesnitz, Hans-Jochem Riebel 1983-12-13
4387060 2-Thi-1,3,2-oxazaphospholanes Bernd-Wieland Kruger, Wolfgang Behrenz 1983-06-07
4358409 Preparation of styryl cyclopropane insecticide intermediates Fritz Maurer, Uwe Priesnitz, Hans-Jochem Riebel 1982-11-09
4356127 Preparation of 3-(2,2-dichloro-vinyl)-2,2-dimethyl-cyclopropane-1-carboxylic acid derivatives 1982-10-26
4342704 Process for the preparation of 1,1-dichloroalkenes Fritz Maurer, Uwe Priesnitz, Hans-Jochem Riebel 1982-08-03
4330482 Process for the preparation of halogenoalkenes 1982-05-18
4317783 1-Oxo-3-methyl-2-butene phosphonic acid esters 1982-03-02
4307033 Preparation of 3,3-dimethyl-cyclopropane-1,1,2-tricarboxylic acid derivatives and intermediates therefor Fritz Maurer, Uwe Priesnitz, Hans-Jochem Riebel 1981-12-22
4296241 Preparation of 3-(2,2-dichlorovinyl)-2,2-dimethyl-cyclopropane-1-carboxylic acid derivatives Fritz Maurer, Uwe Priesnitz, Hans-Jochem Riebel 1981-10-20
4294762 Preparation of .alpha.-cyano-benzyl esters 1981-10-13
4279920 2,2-Dimethyl-3-(2-bromo-2-phenyl-vinyl)-cyclopropanecarboxylic acid 3-phenoxybenzyl esters and pesticidal use Rainer Fuchs, Ingeborg Hammann, Bernhard Homeyer, Wilhelm Stendel 1981-07-21
4276225 Decarbalkoxylation of carboxylic acid esters Reinhard Lantzsch 1981-06-30
4248866 Combating arthropods with N-(O-ethyl-S-n-propyl-thiophosphoryloxy)-naphthalimides Christa Fest, Ingeborg Hammann, Wilhelm Stendel 1981-02-03
4237124 Combating pests with O-ethyl-S-n-propyl-N-alkylamino-methylidene thiolphosphoric acid diester-imides Ingeborg Hammann, Bernhard Homeyer 1980-12-02
4229444 Pesticidal O-alkyl-O-(1,5-disubstituted-1,2,4-triazolyl-(3)-thiono-phosphoric (phosphonic) acid esters and ester-amides Ingeborg Hammann, Wolfgang Behrenz, Bernhard Homeyer, Wilhelm Stendel 1980-10-21
4195082 Combating arthropods with 0-alkyl-0-trifluoromethylsulphonylphenyl-thiono (thiol)-phosphoric acid esters Erich Klauke, Ingeborg Hammann 1980-03-25