Catalytic refining of terpenes of pulp origin
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United States of America Patent
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Oct 18, 2016
Grant Date -
Jun 27, 2013
app pub date -
Jun 3, 2011
filing date -
Jun 3, 2010
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Abstract
Biobased p-cymene and methods of producing same, which can further be converted to terephtalate. Further, a method is described for converting crude sulfate turpentine recovered from chemical wood pulping into p-cymene and eventually to terephtalic acid of biological origin, and products thereof respectively. In said method, both conversion and desulfurization is realized in one reaction step. The disclosure is also related to use of zeolite catalysts in said method.
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