Terephthalic and trimellitic based acids and carboxylate derivatives thereof
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United States of America Patent
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Feb 5, 2013
Grant Date -
Nov 24, 2011
app pub date -
Jun 16, 2010
filing date -
Jun 16, 2009
priority date (Note) -
Expired
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Abstract
The present invention relates to novel substituted and unsubstituted terephthalic acid and carboxylate derivatives and products prepared therefrom having a significant renewable content. The invention also relates to processes for preparing substituted and unsubstituted terephthalic and carboxylate derivatives thereof wherein a portion of the starting materials utilized is derived from renewable resources. The invention also relates to novel cyclohexene based intermediates prepared in these processes and to conversion of these intermediates to substituted and unsubstituted cyclohexane-1,4-dicarboxylates and carboxylate derivatives thereof and novel forms of the resulting products having renewable content. The invention also relates to products prepared from substituted and unsubstituted terephthalic acid and carboxylate derivatives thereof derived from starting materials derived from renewable resources.
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