Disperse dyestuffs

C - Chemistry – Metallurgy – 09 – B

Patent

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Details

260/236.22

C09B 3/02 (2006.01)

Patent

CA 1061784

Abstract of the Disclosure The present invention pertains to novel intermediates useful in the preparation of novel dyestuffs. The novel intermediates of the present invention are 2-cyano-3-amino-benzanthrones of the formula Image wherein R4 represents a halogen atom, a lower alkyl group or a hydrogen atom.

313664

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