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:
Apr. 19, 2005
Filed:
Feb. 19, 2003
Applicants:
Jörg Rheims, Heidenheim, DE;
Klaus Doelle, Menasha, WI (US);
Oliver Heise, Menasha, WI (US);
Werner Witek, Appleton, WI (US);
Inventors:
Jörg Rheims, Heidenheim, DE;
Klaus Doelle, Menasha, WI (US);
Oliver Heise, Menasha, WI (US);
Werner Witek, Appleton, WI (US);
Assignee:
Voith Paper Patent GmbH, Heidenheim, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21H011/16 ; D21H017/64 ;
U.S. Cl.
CPC ...
Abstract
For a process and an apparatus for loading fibers contained in a pulp suspension with calcium carbonate, a calcium oxide and/or a medium containing calcium hydroxide is fed to the pulp suspension, and the so treated pulp suspension is further charged in several reactors with pure carbon dioxide or a medium containing carbon dioxide. The reactors can be connected in series and/or in parallel.