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US 4,051,155 AGranted
Anthraquinone dyes
AssigneeAllied Chemical Corporation
InventorRobert C. Hoare
Life of this patent
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Abstract
Anthraquinone compounds having the formula: ##STR1## wherein R is alkylene of 1 to 4 carbon atoms, exhibit attractive blue shades and are useful in dyeing textiles.
Claims2
A compound having the formula ##STR7## wherein R is alkylene of 1 to 4 carbon atoms.
A compound having the formula:
- ##STR8##
Dependencies are inferred from the claim text.