US Patent 7909891 Azo dyes for dyeing and printing hydrophobic materials

Patent 7909891 was granted and assigned to Dystar on March, 2011 by the United States Patent and Trademark Office.

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Date of Patent

March 22, 2011

Patent Application Number

12679314

Date Filed

September 15, 2008

Patent Primary Examiner

Patent abstract

The invention relates to a dye of the general formula (I)

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