PROCESS FOR THE PREPARATION OF ROFLUMILAST

World Intellectual Property Organization Patent

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May 23, 2013
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Nov 8, 2012
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Nov 9, 2011

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Abstract

The present invention relates to an improved process for the preparation of Roflumilast. The present invention also relates to crystalline Form-I of Roflumilast.

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C07D:HETEROCYCLIC COMPOUNDS

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DATE PUBLISHED	PUBLICATION/PATENT NO.	PUBLICATION TYPE
November 07, 2013	WO,2013072938,A3 WO2013072938A3	LATER PUBLICATION OF ISR WITH REVISED FRONT PAGE
May 23, 2013	WO,2013072938,A2 WO2013072938A2	INTERNATIONAL APPLICATION PUBLISHED WITHOUT INTERNATIONAL SEARCH REPORT or INTERNATIONAL APPLICATION PUBLISHED WITH DECLARATION UNDER ARTICLE 17 (2) (A)

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2013072938

AN IMPROVED PROCESS FOR THE PREPARATION OF ROFLUMILAST

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PROCESS FOR THE PREPARATION OF ROFLUMILAST

World Intellectual Property Organization Patent

PCTIN2012000738

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