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, 1992
Filed:
Dec. 05, 1989
Applicant:
Inventors:
Heikki Heikkila, Espoo, FI;
Goran Hyoky, Kantvik, FI;
Assignee:
Cultor, Ltd., , FI;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C13K / ; C13J / ; B01D / ; B01D / ;
U.S. Cl.
CPC ...
127 462 ; 127 463 ; 127 37 ; 210663 ; 210673 ; 210690 ; 210691 ;
Abstract
A process for recovering xylose from pentosan-containing raw materials includes the steps of hydrolyzing the raw material, feeding the hydrolyzed material to a chromatographic column comprising a strong anion-exchanger having a quaternary ammonium functional group fixed to a cross-linked polystyrene or acrylic resin matrix and eluting a xylose-rich fraction.