Fractionated agaroid compositions, their preparation and use
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United States of America Patent
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Sep 23, 1997
Grant Date -
N/A
app pub date -
Apr 8, 1993
filing date -
Jun 13, 1990
priority date (Note) -
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Abstract
A process for fractionating agaroid compositions by dissolving the agaroid in a glycol, precipitating a first fraction by cooling and precipitating a second fraction by incorporating a nonsolvent to form two fractions substantially more soluble in water than the initial agaroid. Optionally the solubility of either fraction can be converted to conventional solubilities.
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