Inventor · Langenfeld, DE

Roland Andree

82Patents
11h-index
82Co-inventors
81Inventor score

Filing activity: Sep 16, 1988 → Nov 9, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5658857A Imidazoazines Human Necessities 81 Expired
US5981436A Substituted diazacyclohexanedi (thi) ones Chemistry; Metallurgy 35 Expired
US5250498A Herbicidal 2-iminopyridines Chemistry; Metallurgy 29 Expired
US4952235A (Hetero)aryloxynaphthalenes having substituents bonded via sulphur Chemistry; Metallurgy 28 Expired
US5593945A N-cyanoaryl-nitrogen heterocycles Chemistry; Metallurgy 24 Expired
US5681794A N-cyanoaryl-nitrogen heterocycles Chemistry; Metallurgy 23 Expired
US4968342A Herbicidal N-isopropylheteroaryloxyacetanilides Chemistry; Metallurgy 21 Expired
US5090991A Herbicidal N-isopropylheteroaryloxyacetanilides Chemistry; Metallurgy 19 Expired
US6077813A Substituted aromatic thiocarboxylic acid amides and their use as herbicides Chemistry; Metallurgy 18 Expired
US6602826B1 Heterocyclically substituted aromatic amino compounds with a herbicidal effect Chemistry; Metallurgy 16 Expired
US6074989A Substituted azolylsulphonylphenyluracils Chemistry; Metallurgy 13 Expired
US6331507A Substituted aromatic thiocarboxylic acid amides and their use as herbicides Chemistry; Metallurgy 9 Expired
US5759957A N-cyanoaryl nitrogen heterocycles Human Necessities 9 Expired
US5990044A Selective herbicides based on aryl uracils Human Necessities 8 Expired
US5300676A Herbicidal fluorine-substituted alpha-(5-aryloxynaphthalen-1-yl-oxy)-propionic acid derivatives Chemistry; Metallurgy 8 Expired
US6734139B1 N-aryl-uracile-based herbicides Human Necessities 8 Expired
US6420316B1 Substituted aromatic thiocarboxylic acid amides and their use as herbicides Chemistry; Metallurgy 7 Expired
US6451736B1 Substituted aromatic thiocarboxylic acid amides and their use as herbicides Chemistry; Metallurgy 6 Expired
US9802899B2 Heterocyclic compounds as pesticides Chemistry; Metallurgy 6 Active
US5877121A Substituted pyrimidin(ethi)ones Chemistry; Metallurgy 6 Expired
US6107252A Substituted phenyl uracils and their use as herbicides Human Necessities 6 Expired
US6110870A N-cyanoaryl-nitrogen heterocycles Chemistry; Metallurgy 5 Expired
US6815398B1 Substituted phenyluracils and their use as herbicides Chemistry; Metallurgy 4 Expired
US6130225A Substituted p-trifluoromethylphenyluracils Chemistry; Metallurgy 4 Expired
US5756805A 4-cyanophenylimino heterocycles Chemistry; Metallurgy 4 Expired

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