Surface active agent compositions containing polypeptides and lignin sulfonic acid
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United States of America Patent
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Jan 22, 1985
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N/A
app pub date -
Mar 28, 1983
filing date -
Mar 28, 1983
priority date (Note) -
Expired
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Abstract
A surface active agent is comprised of lignin sulfonic acids, and optionally, an alkylaryl sulfonic free acid with at least 10 carbon atoms and a polypeptide having a molecular weight of about 2,500 to about 15,000. In addition, a disperse dye composition is provided which includes solid particles of a dye or pigment which have a particle size of less than 2 microns with the surface active agent disposed at the surface of the particles.
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