Milliken Research Corporation

Margaret S Keller

Edward W Kluger

Ralph N Brendle

Fugitive colorants having the general formula:

Thiophene based fugitive colorants

Fugitive tints are provided which are characterized by the formula: ##STR1## where R is selected from meta-toluidene, meta-amino phenol, aniline or dimethoxy aniline A is selected from N, O, S, or CO.sub.2 ; the alkylene group of the alkyleneoxy constituent contains from 2 to about 4 carbon atoms; n is an integer of from 2 to about 300; m is 1 when A is O, S, or CO.sub.2, and 2 when A is N; x is an integer of from 1 to about 5; and the product of n times m times x (n.multidot.m.multidot.x) is from 2 to about 400. Also provided is a process for preparing alkyleneoxy fugitive tints.

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Inman, SC, United States of America

Margaret S Keller