Patent · US Expired

Process for the production of xylose from a paper-grade hardwood pulp

US6512110B1 · kind B1 · utility

19Cited by
5References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 8, 1999
Grant dateJan 28, 2003
Priority date
Expiry dateDec 8, 2019

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD21C9/002
  • WIPO fieldFood chemistry
  • WIPO sectorChemistry

Abstract

The invention relates to a process for the production of xylose from a paper-grade hardwood pulp comprising the steps of extracting xylan contained in said pulp into a liquid phase, subjecting the xylan contained in the obtained liquid phase to conditions sufficient to hydrolyze xylan to xylose, and recovering the xylose, wherein the extracting step includes at least one treatment of an aqueous suspension of said pulp or an alkali-soluble material thereof with a xylanase enzyme.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.