Inventor · Hofheim, DE

Heinz Kehne

75Patents
10h-index
102Co-inventors
81Inventor score

Filing activity: Jul 18, 1985 → Oct 27, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US8252723B2 Substituted 1-(3-pyridinyl)pyrazol-4-ylacetic acids, processes for their preparation and their use as herbicides and plant growth regulators Chemistry; Metallurgy 71 Active
US5494886A Pyridyl sulphonyl ureas as herbicides and plant growth regulators Chemistry; Metallurgy 24 Expired
US7897543B2 Spiroketal-substituted cyclic ketoenols Chemistry; Metallurgy 21 Active
US7727933B2 2-ethyl-4,6-dimethyl-phenyl-substituted spirocyclic tetramic acid derivatives Chemistry; Metallurgy 14 Expired
US8138119B2 Alkoxyalkyl spirocyclic tetramic acids and tetronic acids Chemistry; Metallurgy 14 Active
US5104443A Heterocyclic 2-alkoxyphenoxysulfonylureas and the use thereof as herbicides or plant growth regulators Human Necessities 12 Expired
US5990047A Herbicidal composition comprising 4-iodo-2-[3-(4-methoxy-6-methyl-1,3,5-triazin-2-yl)ureidosulfonyl]benzoi c esters Human Necessities 12 Expired
US5529976A Pyridyl sulphonyl ureas as herbicides and plant growth regulators Chemistry; Metallurgy 12 Expired
US8013172B2 Cycloalkylphenyl substituted cyclic ketoenols Chemistry; Metallurgy 10 Active
US7776791B2 N-heterocyclyl phenyl-substituted cyclic ketoenols Chemistry; Metallurgy 10 Active
US9078442B2 Herbicidally and fungicidally active 3-phenylisoxazoline-5-carboxamides and 3-phenylisoxazoline-5-thioamides Chemistry; Metallurgy 9 Active
US8114991B2 Amino-1,3,5-triazines N-substituted with chiral bicyclic radicals, process for their preparation, compositions thereof, and their use as herbicides and plant growth regulators Chemistry; Metallurgy 9 Expired
US7569517B2 4-biphenyl-substituted pyrazolidin-3 5-diones pesticide agent and/or microbicide and/or herbicide Chemistry; Metallurgy 9 Expired
US5576440A 2-pyridylsulfonamides Chemistry; Metallurgy 8 Expired
US5635451A Pyridylsulfonylureas as herbicides and plant growth regulators, processes for their preparation and their use Chemistry; Metallurgy 7 Expired
US5571772A Mixtures of triazine sulfonylurea herbicides and pyrazoline safeners Human Necessities 7 Expired
US7718186B2 2-alkoxy-6-alkylphenyl-substituted spirocyclic tetramic acid derivatives Chemistry; Metallurgy 6 Expired
US7947704B2 2,4,6-phenyl-substituted cyclic ketoenols Chemistry; Metallurgy 6 Active
US5849666A N-substituted hydrazinophenylsulfonylureas, processes for their preparation and their use as herbicides and plant growth regulations Human Necessities 6 Expired
US7888285B2 2,4,6-phenyl substituted cyclic ketoenols Chemistry; Metallurgy 5 Active
US7932211B2 4-(4-trifluoromethyl-3-thiobenzoyl)pyrazoles and their use as herbicides Emerging Cross-Sectional Technologies 5 Active
US9510598B2 Nitrogen-containing heterocyclic compounds for plant disease control Chemistry; Metallurgy 4 Active
US5847146A N-heteroartyl-n'-(pyrid-2yl-sulfonyl) ureas, processes for their preparation, and their use as herbicides and plant growth regulators Chemistry; Metallurgy 4 Expired
US8383853B2 Method for preparing 2,6-diethyl-4-methylphenylacetic acid Chemistry; Metallurgy 4 Active
US5102443A Heterocyclically substituted phenoxysulfonylureas, and the use thereof as herbicides or plant growth regulators Human Necessities 4 Expired

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