The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 28, 2003
Filed:
Dec. 08, 1999
Applicant:
Inventors:
Heikki Heikkila, Espoo, FI;
Marja-Leena Sarkki, Kantvik, FI;
Vili Ravanko, Kirkkonummi, FI;
Mirja Lindroos, Kirkkonummi, FI;
Assignee:
Xyrofin Oy, Espoo, FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07H 1/06 ; C12P 7/18 ;
U.S. Cl.
CPC ...
C07H 1/06 ; C12P 7/18 ;
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.