Inventor · Leverkusen, DE

Gerd Hanssler

235Patents
16h-index
140Co-inventors
89Inventor score

Filing activity: Feb 8, 1984 → Oct 30, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US5789430A Triazolyl derivatives Chemistry; Metallurgy 61 Expired
US5859039A Microbicidal triazolyl derivatives Chemistry; Metallurgy 49 Expired
US5679676A Substituted azadioxacycloalkenes and their use as fungicides Chemistry; Metallurgy 45 Expired
US4988734A Fungicidal stereoisomers of N-(R)-(1-aryl-ethyl)-1-alkyl-2,2,-dichloro-cyclopropanecarboxamides Chemistry; Metallurgy 34 Expired
US5238934A Triazinyl-substituted acrylic esters Chemistry; Metallurgy 33 Expired
US5120734A Fungicidal pyrid-2-yl-amino acetic acid esters Chemistry; Metallurgy 32 Expired
US6277791A Isothiazole carboxylic acid amides and the application thereof in order to protect plants Human Necessities 30 Expired
US6001879A Acylaminosalicylic acid amides and their uses as pesticides Chemistry; Metallurgy 30 Expired
US5143932A Microbicidal halogenoallyl-azolyl derivatives Chemistry; Metallurgy 30 Expired
US6103717A Halogen pyrimidines and its use thereof as parasite abatement means Chemistry; Metallurgy 30 Expired
US6071937A Oxymethoxy-3-aryl-pyrone derivatives Chemistry; Metallurgy 28 Expired
US6235743A Halogen pyrimidinyl aryl (thio)ethers as pesticides Chemistry; Metallurgy 21 Expired
US4784682A 6-chlorobenzazolyloxyacetamides Chemistry; Metallurgy 19 Expired
US6548549B1 Acylaminosalicylic acid amides and their uses as pesticides Chemistry; Metallurgy 18 Expired
US4968687A Pesticidal substituted 4-heterocyclyloximino-pyrazolin-5-ones, compositions and use Human Necessities 16 Expired
US4663327A 1-heteroaryl-4-aryl-pyrazolin-5-ones Chemistry; Metallurgy 16 Expired
US5162358A Halogenoalkyl-azolyl derivatives Chemistry; Metallurgy 16 Expired
US4806540A 1-heteroaryl-4-aryl-pyrazole microbicides Chemistry; Metallurgy 14 Expired
US4785002A Imidazo-pyrrolo-pyridines useful as fungicidal and growth-regulating agents Human Necessities 14 Expired
US5883250A Substituted azadioxacycloalkenes, fungicidal composition containing them, process for preparing them, and method of using them to combat fungi Chemistry; Metallurgy 14 Expired
US4542130A 5-Aminomethyl-1,3-oxathiolane microbicides, compositions and use Chemistry; Metallurgy 13 Expired
US6359133B2 Halogen pyrimidinyl aryl (thio) ethers as pesticides Chemistry; Metallurgy 13 Expired
US6008257A Hydroxamic-acid derivatives, method of preparing them and their use as fungicides Chemistry; Metallurgy 13 Expired
US4767444A Herbicidal and microbiocidal 2-trifluoromethyl-benzimidazoles Chemistry; Metallurgy 13 Expired
US6372692B1 Isothiazole carboxylic acid amides and the application thereof in order to protect plants Human Necessities 13 Expired

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