NL90306C - - Google Patents

Info

Publication number
NL90306C
NL90306C NL90306DA NL90306C NL 90306 C NL90306 C NL 90306C NL 90306D A NL90306D A NL 90306DA NL 90306 C NL90306 C NL 90306C
Authority
NL
Netherlands
Application number
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.)
Publication of NL90306C publication Critical patent/NL90306C/xx

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
    • D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
    • D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
NL90306D 1951-02-28 NL90306C (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE300957X 1951-02-28

Publications (1)

Publication Number Publication Date
NL90306C true NL90306C (fr)

Family

ID=6097037

Family Applications (1)

Application Number Title Priority Date Filing Date
NL90306D NL90306C (fr) 1951-02-28

Country Status (6)

Country Link
US (1) US2851355A (fr)
BE (1) BE504423A (fr)
CH (1) CH300957A (fr)
FR (1) FR1062445A (fr)
GB (1) GB736300A (fr)
NL (1) NL90306C (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2906659A (en) * 1953-07-13 1959-09-29 Abitibi Power & Paper Co High yields bisulphite pulping process
US3013931A (en) * 1957-02-01 1961-12-19 Hawaiian Dev Company Ltd Printing paper and process of making the same
US3046184A (en) * 1958-12-31 1962-07-24 Kimberly Clark Co Manufacture of cellulosic products
US3088861A (en) * 1960-08-03 1963-05-07 Weyerhaeuser Co Method of manufacturing chemical pulp from lignocellulose material
US3069310A (en) * 1960-10-14 1962-12-18 Hammermill Paper Co Semichemical pulping process for soft woods
US3448003A (en) * 1966-01-03 1969-06-03 Dow Chemical Co On-stream cleaning of wood chip digesters using chelating agents
SE355614B (fr) * 1970-05-13 1973-04-30 Mo Och Domsjoe Ab
WO2013165425A1 (fr) * 2012-05-03 2013-11-07 Empire Technology Development Llc Lignine substituée par phosphonate comme retardateur de flamme
RU2690562C2 (ru) * 2015-03-11 2019-06-04 Андритц Инк. Способы и системы для варки целлюлозы из лигноцеллюлозных материалов

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1244525A (en) * 1917-08-02 1917-10-30 Tsuneya Marusawa Process of manufacturing paper-pulp.
US1566118A (en) * 1925-03-21 1925-12-15 Citizens Of The United States Method for the prevention of corrosion in steel digesters
US1792510A (en) * 1925-07-01 1931-02-17 Brown Co Kraft-simulating pulp and process of producing same
US1859848A (en) * 1926-09-03 1932-05-24 Arthur M Hyde Production of fibrous pulp from vegetable material
US1891337A (en) * 1930-01-09 1932-12-20 Du Pont Process of producing cellulose
DE564738C (de) * 1931-01-09 1932-11-23 Patentaktiebolaget Groendal Ra Verfahren zur Herstellung von Sulfitzellstoff
GB400974A (en) * 1932-03-04 1933-11-06 Henry Dreyfus Improvements in or relating to the production of cellulosic materials or cellulose
US2564028A (en) * 1946-01-17 1951-08-14 Rayonier Inc Wood pulp digestion
BE496841A (fr) * 1949-07-12

Also Published As

Publication number Publication date
GB736300A (en) 1955-09-07
BE504423A (fr)
FR1062445A (fr) 1954-04-23
CH300957A (de) 1954-08-31
US2851355A (en) 1958-09-09

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