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. 25, 2005
Filed:
Sep. 12, 1997
Applicants:
Heikki Heikkilä, Espoo, FI;
Göran Hyöky, Kantvik, FI;
Leena Rahkila, Espoo, FI;
Marja Leena Sarkki, Kantvik, FI;
Tapio Viljava, Kirkkonummi, FI;
Inventors:
Heikki Heikkilä, Espoo, FI;
Göran Hyöky, Kantvik, FI;
Leena Rahkila, Espoo, FI;
Marja Leena Sarkki, Kantvik, FI;
Tapio Viljava, Kirkkonummi, FI;
Assignee:
Xyrofin Oy, Kotka, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C12P 718 ; C12P 706 ; C12P 708 ; C12P 710 ; C12N 116 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to a process for the simultaneous production of xylitol and ethanol from a hydrolyzed lignocellulose-containing material starting. The starting material is fermented with a yeast strain, the ethanol produced is recovered, a chromatographic separation is carried out on the remaining xylitol solution, and pure xylitol is crystallized.