Aqueous sulfomethylated melamine gel-forming compositions
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United States of America Patent
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Sep 20, 1988
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N/A
app pub date -
Jun 20, 1985
filing date -
Jun 20, 1985
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Expired
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Abstract
Aqueous gel-forming compositions are prepared by reacting for 1-10 hours at 50.degree.-95.degree. C., melamine, formaldehyde and a sulfurous acid salt with the optional addition of a gel-modifying agent and/or a gelling agent which is added to the composition immediately prior to use.
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