Migration-free coloured copolycondensates for colouring polymers

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United States of America Patent

PATENT NO 8697792
APP PUB NO 20120172529A1
SERIAL NO

13496530

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Abstract

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The invention relates to colored and/or fluorescent copolycondensates which are obtained by reaction of colorants substituted by at least two reactive groups which do not interfere with one another, with selected cyclic dicarboxylic acids (especially 1,4-cyclohexanedicarboxylic acid), aliphatic diols (especially ethylene glycol), cyclic diamines (especially isophoronediamine) and/or amino acids in particular amounts.

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Patent Owner(s)

  • BASF SE

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Eichenberger, Thomas Basel, CH 15 89
Krebs, Christoph Pratteln, CH 3 8
Luterbacher, Ursula Reinach, CH 8 10
Ruch, Thomas Delemont, CH 36 230
Sutter, Peter Sissach, CH 18 49

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