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:
Mar. 29, 2005
Filed:
Dec. 28, 2001
Applicants:
Heikki Heikkilä, Espoo, FI;
Mika Mänttäri, Lappeenranta, FI;
Mirja Lindroos, Kirkkonummi, FI;
Marianne Nyström, Lappeenranta, FI;
Inventors:
Heikki Heikkilä, Espoo, FI;
Mika Mänttäri, Lappeenranta, FI;
Mirja Lindroos, Kirkkonummi, FI;
Marianne Nyström, Lappeenranta, FI;
Assignee:
Danisco Sweeteners Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D061/00 ;
U.S. Cl.
CPC ...
Abstract
The invention relates to a process of producing a xylose solution from a biomass hydrolysate by subjecting the biomass hydrolysate to nanofiltration and recovering as the nanofiltration permeate a solution enriched in xylose. The biomass hydrolysate used as starting material is typically a spent liquor obtained from a pulping process.