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:
Jun. 22, 2004
Filed:
Jan. 14, 2002
Applicant:
Inventors:
Heikki Heikkilä, Espoo, FI;
Mirja Lindroos, Kirkkonummi, FI;
Jorma Sundquist, Espoo, FI;
Seppo Kauliomäki, Espoo, FI;
Raimo Rasimus, Lohja as, FI;
Assignee:
Danisco Sweeteners Oy, Espoo, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C 3/02 ; D21C 3/26 ; D21C 1/04 ; C13K 1/300 ; D21H 1/104 ;
U.S. Cl.
CPC ...
D21C 3/02 ; D21C 3/26 ; D21C 1/04 ; C13K 1/300 ; D21H 1/104 ;
Abstract
The invention relates to a method of preparing chemical pulp and xylose by the use of alkaline or neutral cooking and post hydrolysis of the pulp by performing the post hydrolysis directly on the pulp by means of acid treatment. In the method of the invention, the xylan in the pulp is utilized as completely as possible, resulting in a good xylose yield and, simultaneously, acceptable characteristics for the pulp.