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. 05, 1988
Filed:
May. 28, 1986
Applicant:
Inventors:
Alfred Wong, Beaconfield, CA;
Gary D Derdall, Saskatchewan, CA;
Assignee:
Potash Corporation of Saskatchewan, Saskatchewan, CA;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21C / ; D21C / ; D21C / ; D21C / ;
U.S. Cl.
CPC ...
162 14 ; 162 16 ; 162 29 ; 162301 ; 162 3011 ; 162 31 ; 162 32 ; 162 83 ; 162 86 ; 423D / ;
Abstract
Described herein is a process for producing potassium salts from potassium-based liquors for pulping of lignocellulosic material. The process comprises the steps of