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 (en:Method)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
NL90306C true NL90306C (en:Method)

Family

ID=6097037

Family Applications (1)

Application Number Title Priority Date Filing Date
NL90306D NL90306C (en:Method) 1951-02-28

Country Status (6)

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

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 (en:Method) * 1970-05-13 1973-04-30 Mo Och Domsjoe Ab
WO2013165425A1 (en) 2012-05-03 2013-11-07 Empire Technology Development Llc Phosphonate-substituted lignin as a flame retardant
BR112017018968B1 (pt) 2015-03-11 2022-02-22 Andritz Inc Processos semi-químico de formação de polpa de materiais lignocelulósicos

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 (en:Method) * 1949-07-12

Also Published As

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

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