CA976702A - Alkaline extraction of lignins in nitric acid pulping - Google Patents

Alkaline extraction of lignins in nitric acid pulping

Info

Publication number
CA976702A
CA976702A CA158,951A CA158951A CA976702A CA 976702 A CA976702 A CA 976702A CA 158951 A CA158951 A CA 158951A CA 976702 A CA976702 A CA 976702A
Authority
CA
Canada
Prior art keywords
lignins
nitric acid
alkaline extraction
acid pulping
pulping
Prior art date
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
CA158,951A
Other versions
CA158951S (en
Inventor
John H. Kalisch
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.)
International Paper Canada Inc
Original Assignee
International Paper Canada Inc
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 International Paper Canada Inc filed Critical International Paper Canada Inc
Application granted granted Critical
Publication of CA976702A publication Critical patent/CA976702A/en
Expired legal-status Critical Current

Links

CA158,951A 1972-12-04 1972-12-15 Alkaline extraction of lignins in nitric acid pulping Expired CA976702A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US31204672A 1972-12-04 1972-12-04

Publications (1)

Publication Number Publication Date
CA976702A true CA976702A (en) 1975-10-28

Family

ID=23209645

Family Applications (1)

Application Number Title Priority Date Filing Date
CA158,951A Expired CA976702A (en) 1972-12-04 1972-12-15 Alkaline extraction of lignins in nitric acid pulping

Country Status (1)

Country Link
CA (1) CA976702A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7396434B2 (en) * 2003-06-03 2008-07-08 Jose Antonio Rodriguez Rivera Catalytic reactor process for the production of commercial grade pulp, native lignin and unicellular protein

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7396434B2 (en) * 2003-06-03 2008-07-08 Jose Antonio Rodriguez Rivera Catalytic reactor process for the production of commercial grade pulp, native lignin and unicellular protein

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