Inventor · Kelkheim, DE

Klaus Bernhard Haaf

15Patents
4h-index
43Co-inventors
60Inventor score

Filing activity: Mar 22, 1996 → Mar 9, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US6235680A N-acylsulfonamides, novel mixtures of herbicides and antidotes, and their use Chemistry; Metallurgy 58 Expired
US9078442B2 Herbicidally and fungicidally active 3-phenylisoxazoline-5-carboxamides and 3-phenylisoxazoline-5-thioamides Chemistry; Metallurgy 9 Active
US9585392B2 3-phenylisoxazolin derivatives with herbicidal action Chemistry; Metallurgy 5 Active
US9516880B2 Herbicidal and fungicidal 5-oxy-substituted 3-phenylisoxazoline-5-carboxamides and 5-oxy-substituted 3-phenylisoxazoline-5-thioamides Chemistry; Metallurgy 4 Active
US9776993B2 Nitrogen-containing heterocyclic compounds for plant disease control Chemistry; Metallurgy 4 Active
US10104892B2 Herbicidally and fungicidally active 3-heteroaryl-isoxazoline-5-carboxamides and 3-heteroaryl-isoxazoline-5-thioamides Chemistry; Metallurgy 4 Active
US9510598B2 Nitrogen-containing heterocyclic compounds for plant disease control Chemistry; Metallurgy 4 Active
US12171230B2 Herbicidal compositions Human Necessities 0 Active
US11597724B2 Herbicidally active 3-phenylisoxazoline-5-carboxamides of tetrahydro and dihydrofuran carboxylic acids and esters Human Necessities 0 Active
US12185723B2 Herbicidally active 3-phenylisoxazoline-5-carboxamides of s-containing cyclopentenylcarboxylic esters Chemistry; Metallurgy 0 Active
US5714436A N-heteroaryl-N'-(pyrid-2-ylsulfonyl)ureas, processes for their preparation, and their use as herbicides and plant growth regulators Chemistry; Metallurgy 0 Expired
US11613522B2 Herbicidally active 3-phenylisoxazoline-5-carboxamides of tetrahydro- and dihydrofurancarboxamides Chemistry; Metallurgy 0 Active
US6750222B2 Substituted phenyl derivatives Chemistry; Metallurgy 0 Expired
US12319664B2 Herbicidally active 3-phenylisoxazoline-5-carboxamides of cyclopentenylcarboxylic acid derivatives Chemistry; Metallurgy 0 Active
US6794336B2 Herbicidal substituted pyridines, their preparation, and their use as herbicides and plant growth regulators Chemistry; Metallurgy 0 Expired

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