Inventor · Bonheiden, BE

Frans Eduard Janssens

80Patents
16h-index
49Co-inventors
84Inventor score

Filing activity: Oct 25, 1978 → Sep 16, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US5041448A (4-piperidinylmethyl and -hetero) purines Chemistry; Metallurgy 89 Expired
US5258380A (4-piperidinylmethyl and -hetero)purines Chemistry; Metallurgy 84 Expired
US4695575A 4-[(bicycle heterocyclyl)-methyl and -hetero]-piperidines Chemistry; Metallurgy 57 Expired
US4219559A N-Heterocyclyl-4-piperidinamines Chemistry; Metallurgy 46 Expired
US4988689A ((Pharmacologically active bicyclic heterocyclic)methyl and -heteroatom) substituted hexahydro-1H-azepines and pyrrolidines Chemistry; Metallurgy 28 Expired
US4835161A Anti-histaminic compositions containing n-heterocyclyl-4-piperidinamines Chemistry; Metallurgy 25 Expired
US4634704A Anti-allergic five membered heterocyclic ring containing N-(bicyclic heterocycyl)-4-piperidinamines Chemistry; Metallurgy 23 Expired
US7148214B1 Antihistaminic spiro compounds Emerging Cross-Sectional Technologies 21 Expired
US4695569A Bicyclic heterocyclyl containing N-(bicyclic heterocyclyl)-4-piperidinamines Chemistry; Metallurgy 20 Expired
US4167574A N-phenyl-N-(4-piperidinyl)amides Chemistry; Metallurgy 19 Expired
US6197772A 1- (1,2-disubstituted piperidinyl) -4-substituted piperazine derivatives Emerging Cross-Sectional Technologies 17 Expired
US6521621B1 1-(1,2-disubstituted piperidinyl)-4-substituted piperazine derivatives Emerging Cross-Sectional Technologies 17 Expired
US4588722A N-(4-piperidinyl) bicyclic condensed 2-imidazolamine derivatives Chemistry; Metallurgy 17 Expired
US4556660A N-(Bicyclic heterocyclyl)-4-piperidinamines Chemistry; Metallurgy 17 Expired
USRE37886E1 1-(1,2-Disubstituted piperidinyl)-4-substituted piperazine derivatives General 16 Expired
US4689330A Antidepressive substituted N-[(4-piperidinyl)alkyl] bicyclic condensed oxazol- and thiazolamines Chemistry; Metallurgy 16 Expired
US6169097A 1-(1,2-Disubstituted piperidinyl)-4-substituted piperidine derivatives Chemistry; Metallurgy 15 Expired
US5360807A Substituted thiazolyl and substituted pyridinyl derivatives Chemistry; Metallurgy 14 Expired
US7361657B2 Respiratory syncytial virus replication inhibitors Chemistry; Metallurgy 14 Expired
US5932569A Triazolobenzazepine derivatives Human Necessities 14 Expired
US7528149B2 Respiratory syncytial virus replication inhibitors Emerging Cross-Sectional Technologies 13 Active
US4946843A 2-(heterocyclylalkyl)imidazopyridines Chemistry; Metallurgy 12 Expired
US5468743A Imidazo[2,1-b]benzazepine derivatives, compositions and method of use Human Necessities 12 Expired
US5272150A Hydroxyalkylfuranyl derivatives Chemistry; Metallurgy 11 Expired
US6924287B1 Respiratory syncytial virus replication inhibitors Chemistry; Metallurgy 10 Expired

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