Anthraquinone Dyes For Coloring Polyurethane
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United States of America Patent
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Issued Date -
Dec 4, 2008
app pub date -
Dec 1, 2006
filing date -
Dec 9, 2005
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a dye of the formula I whereinthe phenylene ring A is unsubstituted or singly or multiply substituted by C.sub.1-C.sub.4-alkyl, halogen, aryl, CF.sub.3, CN, C.sub.1-C.sub.4-alkoxy, COR.sup.1, COOR.sup.1, CONR.sup.2R.sup.3, SO.sub.2R.sup.1 or SO.sub.2NR.sup.2R.sup.3,whereinR.sup.1 is C.sub.1-C.sub.4-alkyl, which is optionally substituted, or is aryl,R.sup.2 and R.sup.3 are independently hydrogen, C.sub.1-C.sub.4-alkyl, which is optionally substituted, or aryl;R.sup.4 is C.sub.1-C.sub.4-alkyl;X is hydrogen, Cl or Br,Y is OH or NHR.sup.4; andZ.sup.1 and Z.sup.2 are independently hydrogen or halogen. The invention also relates to a method for the production of the dye of the formula (I). The invention further relates to a colored polyurethane and method of producing the colored polyurethane.
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