Inventor · Durham, NC, US

Marcus Brackeen

12Patents
5h-index
28Co-inventors
66Inventor score

Filing activity: Jul 27, 1988 → Nov 9, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5019583A N-phenyl-N-(4-piperidinyl)amides useful as analgesics Human Necessities 33 Expired
US6294580A Substituted 4-hydroxy-phenylalcanoic acid derivatives with agonist activity to PPAR-gamma Chemistry; Metallurgy 16 Expired
US5039804A Preparation of substituted alkali metal piperidine-4-carboxylates Chemistry; Metallurgy 8 Expired
US5387688A Intermediates for making analgesic N-phenyl-N-(3-OR.sup.1 -3-Me-4-piperidinyl)amides Chemistry; Metallurgy 7 Expired
US5859007A CCK or gastrin modulating benzo b!1,4! diazepines derivatives Chemistry; Metallurgy 6 Expired
US5126455A Preparation of substituted alkali metal piperidine-4-carboxylates Chemistry; Metallurgy 5 Expired
US4952694A Novel resolution process for racemic spiro-hydantoins Chemistry; Metallurgy 5 Expired
US5214148A Analgesic N-phenyl-N-(3-OR.sub.1 -3-ME-4-piperidinyl)amides Chemistry; Metallurgy 4 Expired
US5006657A Intermediates in a resolution process for racemic spiro hydantoins Chemistry; Metallurgy 1 Expired
US5130321A Analgesic n-phenyl-n-(3-or 1-3-me-4-piperidinyl)amides Chemistry; Metallurgy 0 Expired
US12006275B2 Process for making levoamphetamine Chemistry; Metallurgy 0 Active
US12029718B2 Process for production of essentially pure delta-9-tetrahydrocannabinol Performing Operations; Transporting 0 Active

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