NL206825A - - Google Patents
Info
- Publication number
- NL206825A NL206825A NL206825DA NL206825A NL 206825 A NL206825 A NL 206825A NL 206825D A NL206825D A NL 206825DA NL 206825 A NL206825 A NL 206825A
- 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
- 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
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 |
|---|---|---|---|
| DE344896X | 1955-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL206825A true NL206825A (xx) |
Family
ID=6254259
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL206825D NL206825A (xx) | 1955-05-07 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH344896A (xx) |
| FR (1) | FR1202813A (xx) |
| NL (1) | NL206825A (xx) |
-
0
- NL NL206825D patent/NL206825A/xx unknown
-
1956
- 1956-04-13 CH CH344896D patent/CH344896A/de unknown
- 1956-05-07 FR FR1202813D patent/FR1202813A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1202813A (fr) | 1960-01-13 |
| CH344896A (de) | 1960-02-29 |