Inventor · Wilmington, DE, US

Alexander L. Johnson

9Patents
5h-index
6Co-inventors
52Inventor score

Filing activity: Sep 17, 1973 → Jun 30, 1987

Most-cited inventions

PatentTitleAreaCited byStatus
US4145527A Nitro aromatic glycosides Chemistry; Metallurgy 22 Expired
US3948937A Pyrazole plant growth regulants Chemistry; Metallurgy 17 Expired
US4147860A Process for preparing nitroaromatic glycosides Chemistry; Metallurgy 13 Expired
US4296110A Antihypertensive I-substituted cyclic lactam-2-carboxylic acids Human Necessities 10 Expired
US4055409A Pyrazole plant growth regulants Chemistry; Metallurgy 7 Expired
US4069035A 1-(2-Carboxyaryl)-3-aryl-1,2,4-triazoles and use as herbicides Emerging Cross-Sectional Technologies 4 Expired
US4038285A 1-(2-Carboxyaryl)-4-arylimidazoles and 1-(2-carboxyaryl)-3-aryl-1,2,4-triazoles Emerging Cross-Sectional Technologies 3 Expired
US4868181A 1,4-dihydropyridine derivatives with calcium agonist and alpha.sub.1 -antagonist activity Chemistry; Metallurgy 3 Expired
US4439364A Process for preparing antihypertensive 1-substituted cyclic lactam-2-carboxylic acids and their derivatives Human Necessities 2 Expired

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