Inventor · Hanau, DE

Axel Kleeman

10Patents
5h-index
24Co-inventors
66Inventor score

Filing activity: Sep 6, 1977 → Nov 7, 1997

Most-cited inventions

PatentTitleAreaCited byStatus
US5851952A Herbicidal thienyloxyazines Chemistry; Metallurgy 13 Expired
US5824624A Herbicidal 2-(hectero)aryloxy-6-arypyridines and 2-aryl-4-(hetero)aryloxypyrimidines Chemistry; Metallurgy 13 Expired
US4206213A Dithienylalkylamines and process for their production Chemistry; Metallurgy 12 Expired
US5068233A Synergistic combination of azelastine and theophylline or azelastine and .alpha.-mimetics Human Necessities 12 Expired
US5869426A Herbicidal 6-thienyloxypyrid-2-carboxamides Chemistry; Metallurgy 11 Expired
US5374604A Herbicidal 2,6-substituted pyridines Chemistry; Metallurgy 3 Expired
US4171444A Process for the production of substituted pyridine (C) Chemistry; Metallurgy 2 Expired
US5026925A Method of producing catechol and hydroquinone Chemistry; Metallurgy 1 Expired
US5049283A Method for the recovery of aqueous solutions of free, neutral .alpha.-amino acids from aqueous solutions of their alkali-metal salts Chemistry; Metallurgy 1 Expired
US4825011A Method of preparing substituted dihydroxy-benzenes Chemistry; Metallurgy 0 Expired

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