NL87584C - - Google Patents

Info

Publication number: NL87584C
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.)

1952-02-15

Publication of NL87584C publication Critical patent/NL87584C/xx

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
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
- 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
- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds

Landscapes

Chemical & Material Sciences (AREA)
Chemical Kinetics & Catalysis (AREA)
General Chemical & Material Sciences (AREA)
Engineering & Computer Science (AREA)
Textile Engineering (AREA)
Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)

NL87584D 1952-02-15 NL87584C (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR1005824X		1952-02-15

Publications (1)

Publication Number	Publication Date
NL87584C true NL87584C (de)

Family

ID=9565170

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL87584D NL87584C (de)	1952-02-15

Country Status (4)

Country	Link
DE (1)	DE1005824B (de)
FR (1)	FR1052900A (de)
GB (1)	GB734216A (de)
NL (1)	NL87584C (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
ZA766073B (en) *	1975-10-24	1977-09-28	D Econimidis	Production of pulp
PT101999B (pt) *	1997-04-28	2003-09-30	Joao Manuel Almeida Oliveira B	Processo quimico de deslenhificacao da madeira utilizando como reagente activo o composto - bissulfito duplo de magnesio e amonio
GB2501732A (en) *	2012-05-02	2013-11-06	Innovia Films Ltd	Improved steeping conditions for manufacture of viscose
EP3901367A1 (de) *	2020-04-20	2021-10-27	Scitech-service OY	Verfahren zur vorhydrolyse von lignocellulosematerial

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE124556C (de) *
DE237081C (de) *	1909-12-13
DE395119C (de) *	1923-10-11	1924-05-14	Carl G Schwalbe Dr	Verfahren zur Vorbehandlung von pflanzlichen Rohstoffen zwecks Erleichterung nachfolgender saurer oder alkalischer Aufschliessung
DE484805C (de) *	1924-11-02	1929-11-11	Leopold Enge	Verfahren zum Weichmachen von Holz oder aehnlichen pflanzlichen Faserstoffen
DE744868C (de) *	1940-03-22	1944-01-27	Dr Georg Jayme	Verfahren zur Gewinnung von pentosanarmen Zellstoffen aus Pflanzenstoffen
BE447209A (de) *	1941-12-22

0
- NL NL87584D patent/NL87584C/xx active
1952
- 1952-02-15 FR FR1052900D patent/FR1052900A/fr not_active Expired
1953
- 1953-02-02 GB GB2946/53A patent/GB734216A/en not_active Expired
- 1953-02-13 DE DES32188A patent/DE1005824B/de active Pending

Also Published As

Publication number	Publication date
FR1052900A (fr)	1954-01-28
DE1005824B (de)	1957-04-04
GB734216A (en)	1955-07-27

Publication	Publication Date	Title
FR999389A (de)	1952-01-31
FR999432A (de)	1952-01-30
FR999315A (de)	1952-01-29
FR65757E (de)	1956-03-12
IT500364A (de)
BE519840A (de)
BE513768A (de)
NL87584C (de)
BE518951A (de)
BE522349A (de)
BE519872A (de)
BE516829A (de)
BE516783A (de)
NL87215C (de)	1958-01-15
BE520777A (de)
BE520382A (de)
BE520274A (de)
BE520222A (de)
BE507829A (de)
BE520209A (de)
BE520136A (de)
BE520055A (de)
BE518805A (de)
BE519960A (de)
BE518130A (de)