Inventor · Wittlich, DE

Klaus Lurssen

225Patents

31h-index

128Co-inventors

93Inventor score

Filing activity: Sep 11, 1972 → Mar 21, 2003

Most-cited inventions

Patent	Title	Area	Cited by	Status
US5258527A	Insecticidal, acaricidal and herbicidal 1-H-3-aryl-pyrrolidine-2,4-dione derivatives	Chemistry; Metallurgy	104	Expired
US5652372A	Substituted 5-alkoxy-1,2,4-triazol-3-(THI) ones	Chemistry; Metallurgy	104	Expired
US5462913A	Substituted 1-H-3-aryl-pyrrolidine-2,4-dione derivatives	Chemistry; Metallurgy	102	Expired
US5750718A	Intermediates for herbicidal sulphonyl-aminocarbonlyltriazolinones having substituents which are bonded via sulphur	Chemistry; Metallurgy	99	Expired
US5869681A	Herbicidal sulphonylaminocarbonyltriazolinones having substituents bonded via oxygen of the formula	Chemistry; Metallurgy	97	Expired
US4723984A	1-hydroxyethyl-azole compounds and agricultural compositions	Chemistry; Metallurgy	92	Expired
US4532341A	Oxirane compounds	Chemistry; Metallurgy	88	Expired
US5266555A	Substituted triazoles	Chemistry; Metallurgy	83	Expired
US5234897A	Herbicidal 3-amino-5-aminocarbonyl-1,2,4-triazoles	Chemistry; Metallurgy	82	Expired
US5677449A	Substituted 1-H-3-aryl-pyrrolidine-2,4-dione derivatives	Chemistry; Metallurgy	66	Expired
US5045560A	Pesticidal tautomers of 3-aryl-pyrrolidine-2,4-diones and use thereas	Chemistry; Metallurgy	66	Expired
US5116836A	3-phenyl-pyrrolidine-2,4-dione derivatives having pesticidal activity	Chemistry; Metallurgy	64	Expired
US4985063A	3-aryl-pyrrolidine-2,4-diones	Chemistry; Metallurgy	62	Expired
US5225434A	Pesticidal and herbicidal polycyclic 3-aryl-pyrrolidine-2,4-dione derivatives	Chemistry; Metallurgy	55	Expired
US4626595A	Oxirane intermediates of 1-hydroxyethyl azole compounds	Chemistry; Metallurgy	55	Expired
US4871390A	1-hydroxyethyl-azole compounds and agricultural compositions	Chemistry; Metallurgy	54	Expired
US4904298A	1-Hydroxyethyl-azole compounds and agricultural compositions	Chemistry; Metallurgy	53	Expired
US4911746A	1-hydroxyethyl-azole compounds and agricultural compositions	Chemistry; Metallurgy	52	Expired
US5094681A	Herbicidal 5H-furan-2-one derivatives	Chemistry; Metallurgy	52	Expired
US4897107A	1-hydroxyethyl-azole compounds and agricultural compositions	Chemistry; Metallurgy	47	Expired
US4789672A	1-hydroxyethyl-azole compounds and agricultural compositions	Chemistry; Metallurgy	43	Expired
US5616536A	Substituted 1H-3-aryl-pyrrolidine-2,4-dione derivatives	Chemistry; Metallurgy	39	Expired
US5393729A	3-aryl-pyrone derivatives	Chemistry; Metallurgy	38	Expired
US5207817A	Herbicidal 5H-furan-2-one derivatives	Chemistry; Metallurgy	37	Expired
US5186737A	Pesticidal 3-aryl-pyrrolidine-2,4-diones	Chemistry; Metallurgy	36	Expired

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