Benzpyrylium squarylium and croconylium dyes, and processes for

Details Benzpyrylium squarylium and croconylium dyes, and processes for Benzpyrylium squarylium and croconylium dyes, and processes for

1993-09-24

1995-04-11

Chan, Nicky

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549415, 549408, 549398, 549220, 549218, 549 28, 549 23, 549 13, 549 5, 548454, 548517, 548525, 546207, 546202, 546196, 546125, 546 66, 544151, 544162, 544145, 540 1, C07D31158, C07D33506, C07D40510

Patent

active

054059763

ABSTRACT:
Dyes comprising an inner salt of a compound of the formula:

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