Inventor · Wittlich, DE

Engelbert Kuhle

80Patents
8h-index
62Co-inventors
77Inventor score

Filing activity: May 1, 1973 → Mar 17, 1989

Most-cited inventions

PatentTitleAreaCited byStatus
US4559341A Quinolonecarboxylic acids and antibacterial agents containing these compounds Chemistry; Metallurgy 17 Expired
US4713389A Fungicidally and bactericidally active acylated saccharin derivatives Human Necessities 12 Expired
US4927824A Fungicidal trisubstituted 1,3,5-triazine-2,4,6-triones Chemistry; Metallurgy 12 Expired
US3980693A N-(Trihalomethylthio)-carbamic acid oxime esters Human Necessities 10 Expired
US3939192A N-sulfenylate-N-methyl-carbamic acid esters of 2-oximino-alkanecarboxylic acid nitriles Human Necessities 10 Expired
US4547517A Microbicidal N-sulphenylated hydantoins Chemistry; Metallurgy 9 Expired
US4876253A Trisubstituted 1,3,5-triazine-2,4,6-triones Chemistry; Metallurgy 9 Expired
US3954836A N-methyl-N-(benzene sulfonic acid methylamide-N'-sulfenyl)-carbamic acid esters Chemistry; Metallurgy 8 Expired
US4357329A Combating pests with N-phosphonylcarbonyl-carbamates Chemistry; Metallurgy 8 Expired
US4507292A Combating pests with aryl N-oxalyl-N-methyl-carbamates Chemistry; Metallurgy 8 Expired
US4610985A Allophanate derivative, fungicidal compositions and use Chemistry; Metallurgy 6 Expired
US4367303A Solutions for stabilizing thermoplastic polycarbonates Chemistry; Metallurgy 6 Expired
US3980673A Certain 2,3-dihydrobenzofuranyl esters of certain N-sulfenylated carbamic acids Human Necessities 6 Expired
US4148910A N-Methyl-N-(sulphonic acid amide-n'-sulphenyl)-carbamic acid esters Chemistry; Metallurgy 5 Expired
US4356024A Process for the preparation of 1-amino-1,3,5-triazine-2,4(1H, 3H)-dione compounds Chemistry; Metallurgy 5 Expired
US4603214A Agents for combating pests Human Necessities 5 Expired
US4014923A N-carboxylated N-methylcarbamic acid aryl esters Chemistry; Metallurgy 4 Expired
US4382956A Combating fungi with N-sulphenylated biurets Chemistry; Metallurgy 4 Expired
US3939189A N-fluorodichl oromethylthio)-n-(trifluoromethyl)-aminobenzhydroxamic acids salts Human Necessities 4 Expired
US4529735A N-sulphenylated pyranopyrazole derivative protection agents Chemistry; Metallurgy 3 Expired
US4627872A 2,4-diaminopyrimidines Chemistry; Metallurgy 3 Expired
US4008328A N-methyl-N-(3-trifluoromethylphenylsulfenyl)-carbonyloxime-carbamates Chemistry; Metallurgy 3 Expired
US4459151A Herbicidally active fluorine-containing 4,6-diamino-s-triazines Chemistry; Metallurgy 3 Expired
US4348331A Process for the preparation of N-substituted imido-dicarboxylic acid diaryl esters Chemistry; Metallurgy 3 Expired
US3984468A Herbicidal N-trifluoromethylmercaptophenyl ureas Chemistry; Metallurgy 3 Expired

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