FR56443E - - Google Patents
Info
- Publication number
- FR56443E FR56443E FR56443DA FR56443E FR 56443 E FR56443 E FR 56443E FR 56443D A FR56443D A FR 56443DA FR 56443 E FR56443 E FR 56443E
- Authority
- FR
- France
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
- D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic compounds
-
- 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
- D21C1/02—Pretreatment of the finely-divided materials before digesting with water or steam
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR986615T | 1943-11-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR56443E true FR56443E (pt) | 1952-10-07 |
Family
ID=9538217
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR56443D Expired FR56443E (pt) | 1943-11-24 | ||
| FR986615D Expired FR986615A (fr) | 1943-11-24 | 1943-11-24 | Perfectionnements dans le traitement de matières végétales pour l'obtention de la cellulose |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR986615D Expired FR986615A (fr) | 1943-11-24 | 1943-11-24 | Perfectionnements dans le traitement de matières végétales pour l'obtention de la cellulose |
Country Status (2)
| Country | Link |
|---|---|
| FR (2) | FR986615A (pt) |
| NL (1) | NL116882C (pt) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1171722B (de) * | 1957-10-05 | 1964-06-04 | Hodogaya Chemical Co Ltd | Verfahren zur Herstellung von alpha-cellulosereichem Zellstoff unter gleichzeitiger Gewinnung von Furfurol aus Laubholz |
-
0
- FR FR56443D patent/FR56443E/fr not_active Expired
- NL NL116882D patent/NL116882C/xx active
-
1943
- 1943-11-24 FR FR986615D patent/FR986615A/fr not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1171722B (de) * | 1957-10-05 | 1964-06-04 | Hodogaya Chemical Co Ltd | Verfahren zur Herstellung von alpha-cellulosereichem Zellstoff unter gleichzeitiger Gewinnung von Furfurol aus Laubholz |
Also Published As
| Publication number | Publication date |
|---|---|
| NL116882C (pt) | |
| FR986615A (fr) | 1951-08-02 |