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US Patent 7820815 Process for the preparation of chiral 8-(-3-aminopiperidin-1-yl) xanthines

Patent 7820815 was granted and assigned to Boehringer Ingelheim on October, 2010 by the United States Patent and Trademark Office.

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US Patent 12115179 Pharmaceutical composition, methods for treating and uses thereof
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US Patent 11919903 Polymorphs
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US Patent 11911387 Vasoprotective and cardioprotective antidiabetic therapy
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Patent abstract

The invention relates to an improved process for preparing enantiomerically pure 8-(3-aminopiperidin-1-yl)-xanthines. The process involves reacting a compound of the formula (III) with 3-(phthalimido)piperidine or an enantiomer thereof

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Patent Inventor Names
Adil Duran0
Thomas Nicola0
Thorsten Pachur0
Waldemar Pfrengle0
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US Patent 07820815 Process for the preparation of chiral 8-(-3-aminopiperidin-1-yl) xanthines US Patent 7820815 Process for the preparation of chiral 8-(-3-aminopiperidin-1-yl) xanthines

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Patent Number
078208150
Patent Number
78208150
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=078208150
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Infobox
Is a
Patent
Patent
0
Current Assignee
Boehringer Ingelheim
Boehringer Ingelheim
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Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
078208150
Date of Patent
October 26, 2010
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Patent Application Number
112672350
Date Filed
November 4, 2005
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=078208150
Patent Primary Examiner
‌
Mark L. Berch
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07820815
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 US Patent 07820815 Process for the preparation of chiral 8-(-3-aminopiperidin-1-yl) xanthines

Infobox
Is a
Patent
Patent
Current assignee
Boehringer Ingelheim
Boehringer Ingelheim
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07820815
Date of patent
October 26, 2010
Patent application number
11267235
Date Filed
November 4, 2005
Patent primary examiner
‌
Mark L. Berch

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