NL64782C - - Google Patents

Info

Publication number
NL64782C
NL64782C NL64782DA NL64782C NL 64782 C NL64782 C NL 64782C NL 64782D A NL64782D A NL 64782DA NL 64782 C NL64782 C NL 64782C
Authority
NL
Netherlands
Application number
Inventor
Germaine Marie Henrie Desorbay
Original Assignee
Germaine Marie Henrie Desorbay
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 date
Application granted granted Critical
Publication of NL64782C publication Critical patent/NL64782C/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
    • D21C3/16—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides nitrogen oxides; nitric acid nitrates, nitrites
    • 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
NL64782D 1943-12-22 NL64782C (enEXAMPLES)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2597430X 1943-12-22
FR884455X 1945-03-19

Publications (1)

Publication Number Publication Date
NL64782C true NL64782C (enEXAMPLES) 1900-01-01

Family

ID=32232283

Family Applications (1)

Application Number Title Priority Date Filing Date
NL64782D NL64782C (enEXAMPLES) 1943-12-22

Country Status (7)

Country Link
US (2) US2597430A (enEXAMPLES)
BE (2) BE463917A (enEXAMPLES)
CH (1) CH255109A (enEXAMPLES)
DE (1) DE884455C (enEXAMPLES)
FR (5) FR986984A (enEXAMPLES)
GB (1) GB609610A (enEXAMPLES)
NL (1) NL64782C (enEXAMPLES)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3130115A (en) * 1961-10-27 1964-04-21 Alfred M Thomsen Method of processing lignified cellulose
US3461028A (en) * 1968-02-01 1969-08-12 Alscope Ltd Process for making pulp by impregnating cellulosic materials with ammonium hydroxide and nitric acid
GB1457885A (en) * 1973-03-29 1976-12-08 Gallaher Ltd Oxidation of cellulose

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE339303C (de) * 1918-10-26 1921-07-20 Richard Mueller Dr Verfahren zur Herstellung von Zellstoff aus Holz
US1816136A (en) * 1920-03-25 1931-07-28 Arthur B Foster Method of converting wood into sugar and other products
US1581671A (en) * 1921-11-03 1926-04-20 Bradley Linn Production of pulp and other products from wood
US1528218A (en) * 1923-11-26 1925-03-03 Pacific Lumber Co Process of manufacturing pure cellulose from wood
US1777751A (en) * 1926-08-05 1930-10-07 Ig Farbenindustrie Ag Producing cellulose
DE503450C (de) * 1927-05-10 1930-07-23 I G Farbenindustrie Akt Ges Verfahren zum Aufschluss von Pflanzenfaserstoffen, wie Holz, Stroh u. dgl.
BE363567A (enEXAMPLES) * 1928-09-18
DE557537C (de) * 1930-04-13 1932-08-24 Ig Farbenindustrie Ag Verfahren zur Herstellung eines sehr harzarmen Zellstoffes
US1987195A (en) * 1934-03-03 1935-01-08 Herman B Kipper Process for the digestion of vegetable growths to produce cellulose
US2074339A (en) * 1934-03-13 1937-03-23 Celanese Corp Preparation of cellulosic material
DE647025C (de) * 1935-02-13 1937-06-25 I G Farbenindustrie Akt Ges Verfahren zum Aufschliessen von Holz
GB490102A (en) * 1937-08-24 1938-08-09 Bela Bartfay Process for obtaining cellulose from vegetable raw materials

Also Published As

Publication number Publication date
BE463917A (fr) 1946-04-30
US2571993A (en) 1951-10-23
FR60502E (fr) 1954-11-09
FR995520A (fr) 1951-12-04
FR986984A (fr) 1951-08-07
GB609610A (en) 1948-10-05
US2597430A (en) 1952-05-20
BE478384A (fr) 1948-01-30
FR57264E (fr) 1952-12-31
FR62790E (fr) 1955-06-20
CH255109A (fr) 1948-06-15
DE884455C (de) 1953-07-27

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