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:
Jul. 08, 2003
Filed:
Jun. 08, 2000
Applicant:
Inventors:
Hannu Juhani Leino, Espoo, FI;
Anna Linnea Holmberg, Lidingö, SE;
Assignee:
AGA Aktiebolag, Lidingo, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C 9/00 ; D21C 9/18 ; D21F 1/66 ;
U.S. Cl.
CPC ...
D21C 9/00 ; D21C 9/18 ; D21F 1/66 ;
Abstract
The invention relates to a process for improving the drainage or dewatering of cellulosic pulp suspensions in a paper making machine, a drying machine or the like assembly. The invention also relates to a process for producing a dried cellulosic product from said pulp suspension. The drainage of said pulp suspension is improved by treating it with carbon dioxide just prior to its entering a dewatering device such as the wire section of a paper machine.