Inventor

Klaus Naumann

34Patents
8h-index
32Co-inventors
75Inventor score

Filing activity: Jun 5, 1974 → Sep 21, 1999

Most-cited inventions

PatentTitleAreaCited byStatus
US6001879A Acylaminosalicylic acid amides and their uses as pesticides Chemistry; Metallurgy 30 Expired
US4183950A Combating arthropods with 2,2-dimethyl-3-vinyl-cyclopropane carboxylic acid esters of halogenated benzyl alcohols Human Necessities 22 Expired
US4889872A 2,3,5,6-Tetrafluorobenzyl (+) 1r-trans-2,2-dimethyl-3-(2,2-dichlorovinyl)-cyclopropanecarboxylate Human Necessities 18 Expired
US6548549B1 Acylaminosalicylic acid amides and their uses as pesticides Chemistry; Metallurgy 18 Expired
US4085646A Electronic musical instrument Physics 15 Expired
US4196304A Separation of stereoisomeric cyclic carboxylic acids Chemistry; Metallurgy 10 Expired
US4236026A Separation of stereoisomeric vinylcyclopropanecarboxylic acids Chemistry; Metallurgy 9 Expired
US4331821A Process for the monohalogenation of alkylbenzenes in the .alpha.-position and new alkylbenzenes monohalogenated in the .alpha.-position Chemistry; Metallurgy 8 Expired
US4145439A Combating pests with benzyl phenyl ethers Chemistry; Metallurgy 8 Expired
US4337352A Separation of enantiomers of chiral carboxylic acids Chemistry; Metallurgy 7 Expired
US4415561A Synergistic arthropodicidal composition Emerging Cross-Sectional Technologies 6 Expired
US4839390A Halogenoolefins as arthropocides and nematocides Chemistry; Metallurgy 5 Expired
US4220663A Combating pests with benzyl phenyl ethers Chemistry; Metallurgy 5 Expired
US4360690A Combating pests with 1-aryl-cyclopropane-1-carboxylic acid esters Human Necessities 5 Expired
US4544508A Process for the preparation of certain enantiomeric pairs of .alpha.-cyano-3-phenoxy-4-fluoro-benzyl permethrate Chemistry; Metallurgy 4 Expired
US4047923A Heterocyclic sulfonium salt containing plant-growth regulant compositions Human Necessities 4 Expired
US4057413A Methods and compositions for regulating plant growth using piperazine compounds Chemistry; Metallurgy 4 Expired
US4345090A Process for preparing menthyl esters of enantiomers of chiral 3-(2,2-dichloro- and -dibromo-vinyl)-2,2-dimethylcyclopropanecarboxylic acids Emerging Cross-Sectional Technologies 3 Expired
US4318922A Combating pests with fluorine-substituted 2,2,3,3-tetramethylcyclopropane-1-carboxylic acid benzyl esters Human Necessities 3 Expired
US4423066A Combating arthropods with perfluorobenzyl 2,2-dimethyl-3-vinyl-cyclopropane carboxylates Chemistry; Metallurgy 3 Expired
US4279923A Combating pests with 3-(2,3-dichloro-3,3-difluoro-prop-1-en-1-yl)-2,2-dimethyl-cyclo-propanec arboxylic acid fluoro-benzyl esters Human Necessities 2 Expired
US4344960A Combating insects and acarids with 3-(2-chloro-3,3,4,4,4-pentafluoro-1-butenyl)-2,2-dimethyl-cyclopropaneca rboxylic acid esters Chemistry; Metallurgy 2 Expired
US4256907A Preparation of substituted vinylcyclopropane-carboxylic acid esters Chemistry; Metallurgy 2 Expired
US4317834A Combating arthropods with fluorine-substituted spiro-carboxylic acid benzyl esters Human Necessities 2 Expired
US4968851A Halogenoolefin pesticides Chemistry; Metallurgy 1 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.