Inventor · Leverkusen, DE

Alan Graff

51Patents
23h-index
51Co-inventors
87Inventor score

Filing activity: Oct 31, 1997 → Apr 25, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US6458965B1 Aryl phenyl substituted cyclic ketoenols Chemistry; Metallurgy 94 Expired
US6114374A 2-and 2,5-substituted phenylketoenols Chemistry; Metallurgy 93 Expired
US5994274A Dialkyl phenyl halide-substituted keto-enols for use as herbicides and pesticides Chemistry; Metallurgy 89 Expired
US6451843B1 Arylphenyl-substituted cyclic keto enols Chemistry; Metallurgy 88 Expired
US6417370B1 Arylphenyl-substituted cyclic keto-enols Chemistry; Metallurgy 85 Expired
US6140358A Substituted phenyl keto enols as pesticides and herbicides Chemistry; Metallurgy 82 Expired
US6316486A Alkyl dihalogenated phenyl-substituted ketoenols useful as pesticides and herbicides Chemistry; Metallurgy 81 Expired
US6110872A 2,4,5-trisubstituted phenylketo-enols for use as pesticides and herbicides Chemistry; Metallurgy 67 Expired
US6133296A Substituted pyridyl keto enols Chemistry; Metallurgy 61 Expired
US6251830A Dialkyl-halogenophenyl-substituted ketoenols Chemistry; Metallurgy 60 Expired
US6288102A Substituted phenylketoenols and their use as pesticides and herbicides Chemistry; Metallurgy 55 Expired
US6511942B1 2,4,5-trisubstituted phenylketo-enols for use as pesticides and herbicides Chemistry; Metallurgy 52 Expired
US6380246B1 Alkyl-dihalogenated phenyl-substituted ketoenols useful as pesticides and herbicides Chemistry; Metallurgy 49 Expired
US6255342A 2-and 2,5-substituted phenylketoenols Chemistry; Metallurgy 44 Expired
US6861391B1 Trifluoromethyl-substituted spirocyclic ketoenols Chemistry; Metallurgy 43 Expired
US6469196B2 Dialkyl phenyl halide-substituted keto-enols for use as herbicides and pesticides Chemistry; Metallurgy 41 Expired
US6359151B2 2- and 2,5-substituted phenylketoenols Chemistry; Metallurgy 39 Expired
US6271180A Substituted phenyl keto enols as pesticides and herbicides Chemistry; Metallurgy 38 Expired
US6388123B1 Substituted phenyl keto enols as pesticides and herbicides Chemistry; Metallurgy 36 Expired
US6486343B1 Substituted phenyl keto enols as pesticides and herbicides Chemistry; Metallurgy 35 Expired
US6251833A 2-arylcyclopentan-1,3-diones Chemistry; Metallurgy 31 Expired
US6504036B1 2- and 2.5-substituted phenylketoenols Chemistry; Metallurgy 28 Expired
US6391912B1 Substituted phenylketoenols Chemistry; Metallurgy 24 Expired
US6515184B1 Cyclopentane-1,3-dione derivatives, herbicidal and pesticidal compositions containing them, methods of using them to combat pests and weeds and process for the preparation thereof Chemistry; Metallurgy 22 Expired
US6642180B1 Biphenyl-substituted cyclic ketoenols as pesticides Chemistry; Metallurgy 19 Expired

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