Inventor · Krefeld, DE

Willi Streicher

7Patents
3h-index
11Co-inventors
50Inventor score

Filing activity: Jan 7, 1985 → Dec 19, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US4873026A Process for the preparation of 1-aminonaphthalene-2,4,7-trisulphonic acid and 1-aminonaphthalene-7-sulphonic acid Chemistry; Metallurgy 38 Expired
US4568781A Preparation of fluorine-substituted aromatic compounds Chemistry; Metallurgy 6 Expired
US4910345A Process for the purification of nitrobenzaldenhyde Chemistry; Metallurgy 5 Expired
US5179211A Process for the preparation of indoles Chemistry; Metallurgy 1 Expired
US5763641A Process for the preparation of aromatic methoxycarboxylic acid methyl esters Chemistry; Metallurgy 0 Expired
US4836959A Process for the preparation of 1-aminonaphthalene-2,4,7-trisulphonic acid and 1-aminonaphthalene-7-sulphonic acid Chemistry; Metallurgy 0 Expired
US6552230B1 Method for preparing 2-nitro-5-(phenylthio)-anilines Chemistry; Metallurgy 0 Expired

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