NL87584C - - Google Patents
Info
- Publication number
- NL87584C NL87584C NL87584DA NL87584C NL 87584 C NL87584 C NL 87584C NL 87584D A NL87584D A NL 87584DA NL 87584 C NL87584 C NL 87584C
- Authority
- NL
- Netherlands
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
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1005824X | 1952-02-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL87584C true NL87584C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) |
Family
ID=9565170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL87584D NL87584C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) | 1952-02-15 |
Country Status (4)
Families Citing this family (5)
| 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 |
| RU2233927C1 (ru) * | 2003-07-29 | 2004-08-10 | Закрытое акционерное общество "Картонтара" | Способ получения волокнистого полуфабриката высокого выхода |
| GB2501732A (en) * | 2012-05-02 | 2013-11-06 | Innovia Films Ltd | Improved steeping conditions for manufacture of viscose |
| EP3901367A1 (en) * | 2020-04-20 | 2021-10-27 | Scitech-service OY | Method for prehydrolysis of lignocellulosic material |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE124556C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * | ||||
| DE237081C (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * | 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 (c_deeref_Disk_and_Scratch_Disk_Pools_and_Their_Defaults.html) * | 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 |