Inventor · Langenburg, DE

Norbert Meyer

103Patents
13h-index
93Co-inventors
85Inventor score

Filing activity: Jan 26, 1982 → Oct 19, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US4906652A Azolymethyloxiranes and their use as crop protection agents Chemistry; Metallurgy 60 Expired
US4652580A Application of azolylmethyloxiranes for the treatment of viral diseases Chemistry; Metallurgy 45 Expired
US5508412A Phthalimides useful as intermediate compounds Chemistry; Metallurgy 33 Expired
US4464381A Fungicides containing azolylmethyloxiranes Chemistry; Metallurgy 32 Expired
US5080710A Novel N-aryltetrahydrophthalimide compounds Chemistry; Metallurgy 29 Expired
US4881969A Sulfonamides Human Necessities 27 Expired
US4761172A Herbicidal cyclohexanol derivatives, compositions, and method of use therefor Chemistry; Metallurgy 23 Expired
US5597776A Substituted pyrido[2, 3-dipyrimidines as antidotes for herbicidal cyclohexenones Human Necessities 18 Expired
US4624696A Cyclohexenone derivatives and their use for controlling undesirable plant growth Chemistry; Metallurgy 15 Expired
US5062884A N-substituted 3,4,5,6-tetrahydrophthalimides and their intermediates Chemistry; Metallurgy 15 Expired
US5190573A Cyclohexenone oxime ethers, their preparation and their use as herbicides Chemistry; Metallurgy 15 Expired
US5022914A Cyclohexenone oxime ethers, their preparation and their use as herbicides Chemistry; Metallurgy 14 Expired
US5661106A 3-(Het)aryloxy(thio)carboxylic acid derivatives, their preparation and intermediates for their preparation Chemistry; Metallurgy 13 Expired
US5080708A Isoxazole(isothiazole)-5-carboxamides Chemistry; Metallurgy 11 Expired
US5250505A Cyclohexenone oxime ethers, their preparation, intermediates for their preparation and their use as herbicides Chemistry; Metallurgy 11 Expired
US4880456A Cyclohexenone derivatives, their preparation and their use for controlling undesirable plant growth Chemistry; Metallurgy 11 Expired
US5228896A Cyclohexenone oxime ethers, their preparation, intermediates for their preparation and their use as herbicides Chemistry; Metallurgy 11 Expired
US5076831A 1,8-napthalenedicarboximides as antidotes Chemistry; Metallurgy 10 Expired
US4983210A Isoxazolines, their preparation and their use Chemistry; Metallurgy 10 Expired
US5034049A Thiophene-2-carboxylic acid derivatives, their preparation and their use for controlling undesirable plant growth Human Necessities 9 Expired
US5374609A Cyclohexenone oxime ethers and their use as herbicides Chemistry; Metallurgy 9 Expired
US5326744A Glycol aldehyde and lactic acid derivatives and the preparation and use thereof Human Necessities 9 Expired
US4812160A Cyclohexenone derivatives, preparation and use thereof as herbicides Chemistry; Metallurgy 9 Expired
US5318945A Thiocarboxylic acid derivatives Chemistry; Metallurgy 9 Expired
US5364833A Cyclohexenone oxime ethers, their preparation and their use as herbicides Chemistry; Metallurgy 8 Expired

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