The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 16, 2014
Filed:
Dec. 17, 2011
Aloysius Engel, Köln, DE;
Michael Joerss, Leverkusen, DE;
Clemens Grund, Hattersheim, DE;
Bernd Hostasch, Waldbröl, DE;
Gunter Görlitz, Bad Soden, DE;
Aloysius Engel, Köln, DE;
Michael Joerss, Leverkusen, DE;
Clemens Grund, Hattersheim, DE;
Bernd Hostasch, Waldbröl, DE;
Gunter Görlitz, Bad Soden, DE;
Abstract
Described are dyes of formula (I) where Ris hydrogen, alkyl, alkoxy, trifluoromethyl or halogen, M is hydrogen, an alkali metal cation or an optionally substituted ammonium cation, Rand Rare each independently hydrogen, alkyl or alkoxy, Ris alkyl or alkoxy, Rand Rare each independently moieties of the formula —(CH)—O—CH, m is an integer from 3 to 6, and n is an integer from 0 to 8. These dyes are useful for dyeing and printing materials having polar groups.