Nova Patents
AT375338T

A method for the purification of lansoprazole

Abstract

Lansoprazole process for purifying comprising the steps of: a) providing a solution of lansoprazole in a solvent selected from an organic solvent or a mixture of organic solvent and water in the presence of an amine compound; b) combining the provided solution with, and c) isolating the purified lansoprazole acid, wherein the ratio of amine compound and lansoprazole is between 17: 1 and 1: 1 (mol / mol).

Term

No projected expiry on record.

  1. Priority
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23 members in 10 offices

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Priority claims
DocumentOfficeKindDate
40484502United States of AmericaP
41805602United States of AmericaP

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WO2004018454A1World Intellectual Property Organization (WIPO)A1
AU2003258335A1AustraliaA1
US2004192923A1United States of AmericaA1
EP1501824A1European Patent Office (EPO)A1
WO2004018454A8World Intellectual Property Organization (WIPO)A8
US6909004B2United States of AmericaB2
US2005165059A1United States of AmericaA1
US2005165060A1United States of AmericaA1
US2005165061A1United States of AmericaA1
JP2006500380AJapanA
US7022859B2United States of AmericaB2
US7060837B2United States of AmericaB2
EP1764364A1European Patent Office (EPO)A1
EP1837335A1European Patent Office (EPO)A1
EP1501824B1European Patent Office (EPO)B1
AT375338TThis recordAustriaT
DE60316791D1GermanyD1
PT1501824EPortugalE
ES2294358T3SpainT3
DE60316791T2GermanyT2
US7622588B2United States of AmericaB2
IL166985AIsraelA
JP2010083897AJapanA