Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Inventor
Clermont Louis-Philippe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canada Minister of Fisheries and Oceans
Original Assignee
Canada Minister of Fisheries and Oceans
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Canada Minister of Fisheries and Oceans filedCriticalCanada Minister of Fisheries and Oceans
Application grantedgrantedCritical
Publication of CA901759ApublicationCriticalpatent/CA901759A/en
D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
D21C3/00—Pulping cellulose-containing materials
D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
CA901759D1970-01-141970-01-14Lignocellulosic pulping process with aqueous sulfolane solutions
ExpiredCA901759A
(en)