Acid Red 82 in mixtures

Details Acid Red 82 in mixtures Acid Red 82 in mixtures

2007-03-20

2007-03-20

Aulakh, Charanjit S. (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C523S160000, C106S001150

Reexamination Certificate

active

10529185

ABSTRACT:
The invention relates to mixtures containing the dye C.I. Acid Red 82 (formula IIb) and C.I. Acid Red 80 (formula IIc)

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patent: 6482256 (2002-11-01), Kanaya et al.
patent: 6645283 (2003-11-01), Matsumoto et al.
patent: 1 283 248 (2003-02-01), None
patent: 57195775 (1982-12-01), None
patent: 02016171 (1990-01-01), None

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