FR688124A - Improvements in papermaking - Google Patents

Improvements in papermaking

Info

Publication number
FR688124A
FR688124A FR688124DA FR688124A FR 688124 A FR688124 A FR 688124A FR 688124D A FR688124D A FR 688124DA FR 688124 A FR688124 A FR 688124A
Authority
FR
France
Prior art keywords
papermaking
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
Other languages
French (fr)
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.)
MEAD RES ENGINEERING Co
Original Assignee
MEAD RES ENGINEERING Co
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 MEAD RES ENGINEERING Co filed Critical MEAD RES ENGINEERING Co
Application granted granted Critical
Publication of FR688124A publication Critical patent/FR688124A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • 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
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FR688124D 1929-08-28 1929-12-24 Improvements in papermaking Expired FR688124A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB26218/29A GB339334A (en) 1929-08-28 1929-08-28 Improvements in or relating to the manufacture of paper and the like

Publications (1)

Publication Number Publication Date
FR688124A true FR688124A (en) 1930-08-19

Family

ID=10240185

Family Applications (3)

Application Number Title Priority Date Filing Date
FR681218D Expired FR681218A (en) 1929-08-28 1929-09-02 Developments in papermaking and the like
FR688125D Expired FR688125A (en) 1929-08-28 1929-12-24 Developments in papermaking and the like
FR688124D Expired FR688124A (en) 1929-08-28 1929-12-24 Improvements in papermaking

Family Applications Before (2)

Application Number Title Priority Date Filing Date
FR681218D Expired FR681218A (en) 1929-08-28 1929-09-02 Developments in papermaking and the like
FR688125D Expired FR688125A (en) 1929-08-28 1929-12-24 Developments in papermaking and the like

Country Status (3)

Country Link
US (4) US1843465A (en)
FR (3) FR681218A (en)
GB (4) GB339599A (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE748949C (en) * 1938-01-26 1944-11-14 Margarete Possanner Von Ehrent Process for producing semi-pulp or cellulose
US2435566A (en) * 1944-10-16 1948-02-10 West Virginia Pulp & Paper Co Peroxide bleaching of ground wood
US2516664A (en) * 1944-10-16 1950-07-25 West Virginia Pulp & Paper Co Hypochlorite bleaching of ground wood
NL129513C (en) * 1946-01-01
US2719788A (en) * 1949-11-14 1955-10-04 Mo Och Domsjoe Ab Producing bleached sulphite pulp with high strength properties from hardwoods
US2730426A (en) * 1951-06-20 1956-01-10 Cellulose Dev Corp Ltd Treating vegetable fibrous material with chlorine gas
US2872314A (en) * 1954-07-12 1959-02-03 Waldorf Paper Products Co Method of making pulp
US2947655A (en) * 1955-04-21 1960-08-02 Bauer Bros Co Method of producing wood pulp
US2858213A (en) * 1956-04-20 1958-10-28 Condi Engineering Corp Wood chip digestion
US3016324A (en) * 1957-03-07 1962-01-09 Bauer Bros Co Method and apparatus for producing wood pulp
US3035963A (en) * 1958-02-19 1962-05-22 Lummus Co Process for the continuous digestion of cellulosic materials
US3092537A (en) * 1959-06-05 1963-06-04 Cons Paper Corp Ltd Flameproofing of organic materials
US3819470A (en) * 1971-06-18 1974-06-25 Scott Paper Co Modified cellulosic fibers and method for preparation thereof
NO137651C (en) * 1975-10-31 1978-03-29 Myrens Verksted As PROCEDURE AND APPARATUS FOR CONTINUOUS TREATMENT OF FINDEL FIBER MATERIAL OR CELLULOSIZED MASS WITH GAS WITHOUT COVER.
US4560572A (en) * 1981-08-19 1985-12-24 Sharkey Watanabe Citrus fruit processing and food product
US4746404A (en) * 1984-05-01 1988-05-24 Laakso Oliver A Chip presteaming and air washing
CN107130456B (en) * 2016-02-29 2021-05-07 山东泉林纸业有限责任公司 Continuous cooking method and device for grass raw materials
CN109112873A (en) * 2018-08-13 2019-01-01 薛润林 The method of twin-screw extruder production purified cotton

Also Published As

Publication number Publication date
GB341226A (en) 1931-01-15
FR681218A (en) 1930-05-12
FR688125A (en) 1930-08-19
US1843465A (en) 1932-02-02
US1843467A (en) 1932-02-02
US1843466A (en) 1932-02-02
US1880587A (en) 1932-10-04
GB339599A (en) 1930-11-28
GB339334A (en) 1930-11-28
GB347096A (en) 1931-04-07

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