Inventor · Mittelbiberach, DE

Peter Sieger

40Patents
13h-index
45Co-inventors
81Inventor score

Filing activity: Mar 26, 1999 → Jun 30, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US6777423B2 Crystalline tiotropium bromide monohydrate, processes for the preparation thereof, and pharmaceutical compositions Chemistry; Metallurgy 71 Expired
US8106060B2 8-(3-amino-piperidin-1-yl)-xanthines, their preparation, and their use as pharmaceuticals Human Necessities 67 Active
US6908928B2 Crystalline tiotropium bromide monohydrate, processes for the preparation thereof, and pharmaceutical compositions Chemistry; Metallurgy 55 Expired
US8865729B2 Salt forms of a xanthine compound Chemistry; Metallurgy 44 Active
US9212183B2 Salt forms of 1-[(4-methyl-quinazolin-2-yl)methyl]-3-methyl-7-(2-butyn-1-yl)-8-(3-(R)-amino-piperidin-1-yl)-xanthine Chemistry; Metallurgy 33 Active
US9266888B2 Polymorphs Chemistry; Metallurgy 28 Active
US8637530B2 8-(3-amino-piperidin-1-yl)-xanthines, their preparation, and their use as pharmaceuticals Human Necessities 28 Active
US7439358B2 Specific salt, anhydrous and crystalline form of a dihydropteridione derivative Human Necessities 27 Active
US7728134B2 Hydrates and polymorphs of 4[[(7R)-8-cyclopentyl-7-ethyl-5,6,7,8-tetrahydro-5-methyl-6-oxo-2-pteridinyl]amino]-3-methoxy-N-(1-methyl-4-piperidinyl)-benzamide, process for their manufacture and their use as medicament Chemistry; Metallurgy 19 Expired
US7119093B2 3-Z-[1-(4-(N-((4-Methyl-piperazin-1-yl)-methylcarbonyl)-N-methyl-amino)-anilino)-1-phenyl-methylene]-6-methoxycarbonyl-2-indolinone-monoethanesulphonate and the use thereof as a pharmaceutical composition Human Necessities 19 Expired
US6869948B1 Meloxicam for oral administration Human Necessities 18 Expired
US6608055B2 Crystalline anticholinergic, processes for preparing it and its use for preparing a pharmaceutical composition Chemistry; Metallurgy 16 Expired
US7932273B2 3-[(2-{[4-(hexyloxycarbonylaminoiminomethyl) phenylamino]methyl}-1-methyl-1H-benzimidazol-5-carbonyl)pyridin-2-ylamino]propionic acid ethylester methansulfonate and its use as a medicament Human Necessities 16 Active
US10301313B2 Polymorphs Chemistry; Metallurgy 12 Active
US7220742B2 Enantiomerically pure beta agonists, process for the manufacture thereof and use thereof as medicaments Chemistry; Metallurgy 11 Expired
US9493462B2 Polymorphs Chemistry; Metallurgy 11 Active
US9815837B2 Polymorphs Chemistry; Metallurgy 11 Active
US8426586B2 Process for preparing amino crotonyl compounds Human Necessities 9 Active
US8034816B2 Hydrates and polymorphs of 4-[[(7R)-8-cyclopentyl-7-ethyl-5,6,7,8-tetrahydro-5-methyl-6-oxo-2-pteridinyl]amino]-3-methoxy-N-(1-methyl-4-piperidinyl)-benzamide, process for their manufacture and their use as medicament Chemistry; Metallurgy 9 Active
US8202867B2 Methods of using hydrates and polymorphs of 4-[[(7R)-8-cyclopentyl-7-ethyl-5,6,7,8-tetrahydro-5-methyl-6-oxo-2-pteridinyl]amino]-3-methoxy-N-(1-methyl-4-piperidinyl)-benzamide Chemistry; Metallurgy 8 Active
US8188086B2 Specific salt, anhydrous and crystalline form of a dihydropteridione derivative Human Necessities 8 Active
US8329695B2 Crystalline form of the free base N-[trans-4-[4-(cyclopropylmethyl)-1-piperazinyl]cyclohexyl]-4-[[(7r)-7-ethyl-5,6,7,8-tetrahydro-5-methyl-8-(1-methylethyl)-6-oxo-2-pteridinyl]amino]-3-methoxy-benzamide Human Necessities 7 Active
US7491719B2 Enantiomerically pure beta agonists, process for the manufacture thereof, and use thereof as medicaments Chemistry; Metallurgy 6 Active
US7968717B2 Crystalline anhydrate with anticholinergic efficacy Chemistry; Metallurgy 4 Active
US7534789B2 Enantiomeric pure β agonists, manufacturing and use as a medicament thereof Human Necessities 1 Active

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