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:
May. 11, 2010
Filed:
Nov. 16, 2005
Applicants:
Rami Lampinen, Tampere, FI;
Lasse Hernesniemi, Pietarsaari, FI;
Antti Tuominen, Pori, FI;
Inventors:
Assignee:
Metso Paper, Inc, Helsinki, FI;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C 1/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and an apparatus for processing wood chips, wherein the wood chips are treated with steam in a gas removal apparatus. The condensate formed in the gas removal apparatus is removed from the gas removal apparatus and the wood chips are treated with a processing solution in order to remove metal ions from the wood chips. Condensate formed in the gas removal apparatus is used as processing solution.