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. 29, 1986
Filed:
Nov. 30, 1983
Applicant:
Inventor:
Hans O Samuelson, Gothenburg, SE;
Assignee:
Mo och Domsjo Aktiebolag, Ornskoldsvik, SE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
D21C / ; D21C / ; D21C / ;
U.S. Cl.
CPC ...
162 40 ; 162 65 ; 162 81 ;
Abstract
A process is provided for delignifying bleaching lignin-containing cellulose pulp which comprises: