Oxime ethers of 4,4'-bis(N,N-diethylamino)benzhydrol and pressur

Organic compounds -- part of the class 532-570 series – Organic compounds – Amino nitrogen containing

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282 275, C07C13100

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active

043519563

ABSTRACT:
Compounds of the formula: ##STR1## wherein R and R.sup.1 are alkyl C.sub.1 -C.sub.4 are useful as color formers for pressure- and heat-sensitive copying materials.

REFERENCES:
patent: 4124227 (1978-11-01), Russ
patent: 4238130 (1980-12-01), Burri

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