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. 20, 1999
Filed:
Aug. 05, 1997
Applicant:
Inventors:
Anders Bergqvist, Karlstad, SE;
Johan Engstrom, Karlstad, SE;
Assignee:
Kvaerner Pulping AB, Karlstad, SE;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
D21C / ; D21C / ;
U.S. Cl.
CPC ...
162 37 ; 162 39 ; 162 41 ; 162251 ;
Abstract
The present invention provides a method for continuously cooking kraft pulp in a digester having the steps of: