US Patent 7994169 3,4-diaminopyridine derivatives for use as catalysts

Patent 7994169 was granted and assigned to Bayer MaterialScience on August, 2011 by the United States Patent and Trademark Office.

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Patent Inventor Names

Ingmar Held0

Hendrik Zipse0

Date of Patent

August 9, 2011

Patent Application Number

119996630

Date Filed

December 6, 2007

Patent Primary Examiner

Patent abstract

The present invention relates to 3,4-diaminopyridine derivatives of formula (I)

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