Inventor · Waukegan, IL, US

Leslie A. Freiberg

14Patents
7h-index
16Co-inventors
63Inventor score

Filing activity: Jun 3, 1974 → May 4, 1995

Most-cited inventions

PatentTitleAreaCited byStatus
US5554605A Macrocyclic lactam prokinetic agents Chemistry; Metallurgy 14 Expired
US5538961A Macrocyclic lactam prokinetic agents Chemistry; Metallurgy 14 Expired
US5523401A Macrocyclic lactam prokinetic agents Chemistry; Metallurgy 14 Expired
US4672056A Erythromycin A derivatives and method of use Human Necessities 13 Expired
US5523418A Macrocyclic lactam prokinetic agents Chemistry; Metallurgy 12 Expired
US5140014A Rosaramicin derivatives and method of treating bacterial infections Chemistry; Metallurgy 11 Expired
US4264765A Salts of erythromycin A esters Human Necessities 7 Expired
US5288709A Erythromycin derivatives Human Necessities 6 Expired
US4205070A 6'N-Alkyl- and 6',6'-di-N-alkyl derivatives of fortimicins A and B Chemistry; Metallurgy 4 Expired
US4681872A Erythromycin A 11,12-carbonate and method of use Chemistry; Metallurgy 3 Expired
US4686207A Erythromycin A 11,12-carbonates and method of use Chemistry; Metallurgy 2 Expired
US4427662A 3-Amino-3-demethoxyfortimicins, pharmaceutical compositions thereof and method of use Human Necessities 1 Expired
US3970642A Process for the conversion of niddamycin to leucomycin A.sub.1, leucomycin A.sub.3, carbomycin B and other antibiotics and related 3-O-esters Chemistry; Metallurgy 1 Expired
US3932383A 9-Dihydroniddamycin A compounds and related 3-(O)-esters and the process for their preparation Chemistry; Metallurgy 0 Expired

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