Solution process for preparing metal salt esters of hydrocarbyl substituted succinic acid or anhydride and alkanols
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United States of America Patent
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Jul 26, 1988
Grant Date -
N/A
app pub date -
Jul 1, 1985
filing date -
Jul 1, 1985
priority date (Note) -
Expired
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Abstract
A solution process is disclosed for preparing a solubilized metal salt ester by reacting an ester compound, such as 2,2'-thiodiethyl-bis (octadecenyl) succinate ester, with a metal carboxylate, such as calcium acetate, in the process of a mixture of (a) a first co-solvent and/or third co-solvent, such as toluene and/or dodecylbenzene respectively, and (b) a second co-solvent such as methanol, to form the metal salt ester product and an effluent mixture of an acid, such as acetic acid, optional co-solvent first, and second co-solvent, followed by the optional addition of a third co-solvent, and vacuum distilling the resulting mixture to remove the effluent mixture to produce a solution of the product and third co-solvent.
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