Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Reexamination Certificate
2007-09-04
2007-09-04
Witherspoon, Sikarl A. (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
C562S577000
Reexamination Certificate
active
11466630
ABSTRACT:
A process for the conversion of furfuryl alcohol into levulinic acid or alkyl levulinate comprising contacting furfuryl alcohol and water or an alkyl alcohol with a porous heterogeneous catalyst comprising strong acid ion-exchange resin, wherein the catalyst has pores with an average pore diameter in the range of from 1 to 1000 nm.
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patent: 95/19222 (1995-07-01), None
patent: 96/19288 (1996-06-01), None
Lange Jean-Paul
Van De Graaf Wouter David
Shell Oil Company
Witherspoon Sikarl A.
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