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The following patent record is from the CAplusSM
CAPLUS COPYRIGHT 2011 ACS
||Energy saving process for production of acetone from bioethanol with high efficiency
||Masuda, Takao; Tago, Teruoki; Yanase, Tetsuya; Tsuboi, Hirokazu
||Metawater Co., Ltd., Japan; National University Corporation Hokkaido University
||PCT Int. Appl., 16pp.; Chemical Indexing Equivalent to 151:361545 (JP) CODEN: PIXXD2
Aqueous ethanol produced by using a biomass as a raw material is heated at 400 degree C or higher (preferably 450-550 degrees) in the presence of a Zr-Fe catalyst to produce acetone. The Zr-Fe catalyst preferably contains 5-10% zirconium.
View the full-text U.S. patent from USPTO.