FR888922A - Process for the extraction of cellulose and apparatus for carrying out this process - Google Patents
Process for the extraction of cellulose and apparatus for carrying out this processInfo
- Publication number
- FR888922A FR888922A FR888922DA FR888922A FR 888922 A FR888922 A FR 888922A FR 888922D A FR888922D A FR 888922DA FR 888922 A FR888922 A FR 888922A
- Authority
- FR
- France
- Prior art keywords
- cellulose
- extraction
- carrying
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- D21C7/00—Digesters
- D21C7/14—Means for circulating the lye
-
- 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
-
- 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/027—Generators characterised by the type of circuit or by the means used for producing pulses by the use of logic circuits, with internal or external positive feedback
- H03K3/037—Bistable circuits
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR888922T | 1942-08-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR888922A true FR888922A (en) | 1943-12-27 |
Family
ID=9376966
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR888922D Expired FR888922A (en) | 1942-08-14 | 1942-08-14 | Process for the extraction of cellulose and apparatus for carrying out this process |
Country Status (3)
Country | Link |
---|---|
BE (1) | BE451532A (en) |
FR (1) | FR888922A (en) |
NL (2) | NL227264A (en) |
-
0
- NL NL113588D patent/NL113588C/xx active
- NL NL227264D patent/NL227264A/xx unknown
- BE BE451532D patent/BE451532A/xx unknown
-
1942
- 1942-08-14 FR FR888922D patent/FR888922A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE451532A (en) | |
NL113588C (en) | |
NL227264A (en) |
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