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:
Nov. 06, 1990
Filed:
May. 25, 1989
Applicant:
Inventors:
Julio Amador, Coyoacan, MX;
Eurico de Amaro, Smiths, BM;
Hans T Haukerud, Drammen, NO;
Ake Backlund, Karlstad, SE;
Assignee:
Kamyr AB, Karlstad, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21B / ; D21C / ; D21C / ; D21C / ;
U.S. Cl.
CPC ...
162 18 ; 162 24 ; 162 25 ; 162 26 ; 162 52 ; 162 96 ; 162 56 ;
Abstract
A method of preparing a pulp for digestion in a continuous process from a fiber-containing cellulose material is described. It comprises the following sequential steps: