CA611510A - Manufacture of unbleached and semi-bleached sulphite pulp - Google Patents

Manufacture of unbleached and semi-bleached sulphite pulp

Info

Publication number
CA611510A
CA611510A CA611510A CA611510DA CA611510A CA 611510 A CA611510 A CA 611510A CA 611510 A CA611510 A CA 611510A CA 611510D A CA611510D A CA 611510DA CA 611510 A CA611510 A CA 611510A
Authority
CA
Canada
Prior art keywords
unbleached
semi
manufacture
sulphite pulp
bleached sulphite
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
CA611510A
Inventor
H. Andrews Douglas
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.)
PPG Architectural Coatings Canada Inc
Original Assignee
Canadian Industries Ltd
Publication date
Application granted granted Critical
Publication of CA611510A publication Critical patent/CA611510A/en
Expired legal-status Critical Current

Links

CA611510A Manufacture of unbleached and semi-bleached sulphite pulp Expired CA611510A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA611510T

Publications (1)

Publication Number Publication Date
CA611510A true CA611510A (en) 1960-12-27

Family

ID=35833011

Family Applications (1)

Application Number Title Priority Date Filing Date
CA611510A Expired CA611510A (en) Manufacture of unbleached and semi-bleached sulphite pulp

Country Status (1)

Country Link
CA (1) CA611510A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3173748A (en) * 1962-06-25 1965-03-16 Stiftelsen Wallboardindustrien Method for producing a surface layer of high brightness on lignocellulosecontaining material
US3207790A (en) * 1961-07-06 1965-09-21 Dow Chemical Co Process for reducing the color of discolored alkanolamines
US3284283A (en) * 1964-02-17 1966-11-08 Fmc Corp Production of wood pulps including treatment of cellulosic fibers with bisulfite ion followed by alkali metal borohydride
US6325892B1 (en) * 1998-09-23 2001-12-04 University Of New Brunswick Method of delignifying sulphite pulp with oxygen and borohydride

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3207790A (en) * 1961-07-06 1965-09-21 Dow Chemical Co Process for reducing the color of discolored alkanolamines
US3173748A (en) * 1962-06-25 1965-03-16 Stiftelsen Wallboardindustrien Method for producing a surface layer of high brightness on lignocellulosecontaining material
US3284283A (en) * 1964-02-17 1966-11-08 Fmc Corp Production of wood pulps including treatment of cellulosic fibers with bisulfite ion followed by alkali metal borohydride
US6325892B1 (en) * 1998-09-23 2001-12-04 University Of New Brunswick Method of delignifying sulphite pulp with oxygen and borohydride

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