Inventor · Cologne, DE

Herbert Emde

11Patents
3h-index
18Co-inventors
57Inventor score

Filing activity: Mar 31, 1982 → Mar 24, 2006

Most-cited inventions

PatentTitleAreaCited byStatus
US4788011A Process for the preparation of chemical compounds obtained as solids from liquid starting substances Performing Operations; Transporting 6 Expired
US4447368A Process for the preparation of aminoarylsulphonic acids in sulfolene solvent Chemistry; Metallurgy 6 Expired
US6245157A Use of polyaspartic acids in cleaner formulations with abrasive action Chemistry; Metallurgy 4 Expired
US4435336A Process for the preparation of aromatic aminosulphonic acids Chemistry; Metallurgy 3 Expired
US4717514A Process for preparing p-toluidine-2-sulphonic acid Chemistry; Metallurgy 1 Expired
US4968835A Process for the preparation of aminoaryl-sulphonic acids Chemistry; Metallurgy 1 Expired
US7629490B2 Process for hydrolysing cyclopropanecarboxylic esters to the free acid Chemistry; Metallurgy 0 Expired
US6888005B2 2-phenylbenzimidazole-5-sulphonic acid from isolated 3,4-diaminobenzenesulphonic acid and use thereof in cosmetic preparations Human Necessities 0 Expired
US5567854A Process for separating mixtures of nitrobenzaldehyde isomers Chemistry; Metallurgy 0 Expired
US5756831A Process for the preparation of 5-fluoro-2-nitrobenzoic acid Chemistry; Metallurgy 0 Expired
US6787666B2 Process for the preparation of isolated 3,4-diaminobenzenesulphonic acid Chemistry; Metallurgy 0 Expired

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