A process for manufacturing xylose by extracting hemicellulose from a cellulosic material, such as by a cold caustic extraction method, concentrating the extract, such as by nanofiltration, into a hemicaustic stream containing hemicellulose with greater than about 85 wt % xylan content, and subsequently...http://www.google.com.au/patents/US7812153?utm_source=gb-gplus-sharePatent US7812153 - Process for manufacturing high purity xylose
