Black coloring for fibers

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United States of America Patent

PATENT NO 9765446
SERIAL NO

12994197

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Importance

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Abstract

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Fibers, especially black, brown or gray fibers, comprising IR-transparent colorants. IR-transparent colorants may be di-, tri- or polychromatic dyes or pigments, especially perylene pigments. The fibers may comprise perylene pigments which comprise one of the isomers of the formula Ia or Ib

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Patent Owner(s)

Patent OwnerAddress
SUN CHEMICAL B VNETHERLANDS GELEEN LIMBURG

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Scherer, Guenter Neustadt, DE 2 5

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