Inventor · Leichlingen, DE

Rolf Pontzen

90Patents
10h-index
98Co-inventors
81Inventor score

Filing activity: Oct 1, 1997 → Jul 20, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US6451843B1 Arylphenyl-substituted cyclic keto enols Chemistry; Metallurgy 88 Expired
US6649565B1 Selective herbicides on the basis of a substituted phenylsulfonylaminocarbonyltriazolinone and safeners Human Necessities 21 Expired
US8106211B2 Substituted enaminocarbonyl compounds Chemistry; Metallurgy 14 Active
US7745469B2 Fungicidal active substance combinations Human Necessities 14 Active
US6746989B1 Substituted benzoylpyrazoles as herbicides Chemistry; Metallurgy 13 Expired
US6838415B1 Substituted benzoylisoxazoles and the use thereof as herbicides Chemistry; Metallurgy 13 Expired
US6762152B1 Substituted benzoyl ketones, methods for producing them and their use as herbicides Chemistry; Metallurgy 12 Expired
US6924251B1 Substituted benzoylcyclohexandiones Chemistry; Metallurgy 11 Expired
US8546577B2 Substituted enaminocarbonyl compounds Chemistry; Metallurgy 11 Active
US6969697B2 Substituted benzoylcyclohexenones Chemistry; Metallurgy 10 Expired
US8404855B2 Substituted enaminocarbonyl compounds Chemistry; Metallurgy 10 Active
US6964939B1 Substituted thiene-3-yl-sulfonyl amino(thio)carbonyl-triazolin(thi)ones Chemistry; Metallurgy 9 Expired
US6734139B1 N-aryl-uracile-based herbicides Human Necessities 8 Expired
US5962518A Fungicidal active compound combinations Human Necessities 8 Expired
US6906007B2 Phenyl-substituted 5,6-dihydropyrone derivatives for use as pesticides and herbicides Chemistry; Metallurgy 8 Expired
US7432225B2 Selective herbicides based on substituted cyclic keto-enols and safeners Human Necessities 7 Expired
US7279444B2 Substituted benzoylpyrazoles Chemistry; Metallurgy 7 Expired
US6821926B1 Carbamoyl triazolinone based herbicide Human Necessities 6 Expired
US7309711B2 Fungicidal agent combinations Human Necessities 5 Expired
US7858805B2 Substituted thien-3-yl-sulphonylamino(thio)carbonyl-triazolin(ethi)ones Chemistry; Metallurgy 5 Active
US6815398B1 Substituted phenyluracils and their use as herbicides Chemistry; Metallurgy 4 Expired
US7781374B2 Herbicides containing substituted Thien-3-yl-Sulphonylamino(thio)carbonyl-triazolin(thi)ones Performing Operations; Transporting 4 Expired
US9055748B2 Herbicides containing substituted thien-3-yl-sulfonylamino(thio)carbonyl-triazolin(thi)one Performing Operations; Transporting 4 Active
US6767864B2 Heteroaryl-substituted heterocycles Chemistry; Metallurgy 4 Expired
US7115543B2 Aryl sulfonyl amino carbonyl triazole based selective herbicides Human Necessities 3 Expired

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