Bleaching and dyeing; fluid treatment and chemical modification – Fugitive dye composition – process or product
Patent
1990-10-19
1992-04-28
Clingman, A. Lionel
Bleaching and dyeing; fluid treatment and chemical modification
Fugitive dye composition, process or product
8662, 8687, 8917, 8918, 8924, D06P 513
Patent
active
051084600
ABSTRACT:
Azo chromophores having polyoxyalkylene substituents are linked together by a covalent bond or by an intervening connecting group to form dimers or trimers. The polyoxyalkylene substituents are straight or branched chain polymers primarily of ethylene oxide which make the dimer and trimer colorants useful as fugitive tints.
REFERENCES:
patent: 3157633 (1964-11-01), Kuhn
patent: 4144028 (1979-03-01), Hauser et al.
patent: 4167510 (1979-09-01), Brendle
patent: 4877411 (1989-10-01), Hines et al.
Barry, Jr. Carey N.
Hines John B.
Clingman A. Lionel
Milliken Research Corporation
Monahan Timothy J.
Petry H. William
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