NL50696C - - Google Patents
Info
- Publication number
- NL50696C NL50696C NL50696DA NL50696C NL 50696 C NL50696 C NL 50696C NL 50696D A NL50696D A NL 50696DA NL 50696 C NL50696 C NL 50696C
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids
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 |
|---|---|---|---|
| US214148XA | 1938-09-14 | 1938-09-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL50696C true NL50696C (bg) |
Family
ID=21804083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL50696D NL50696C (bg) | 1938-09-14 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH214148A (bg) |
| FR (1) | FR860112A (bg) |
| NL (1) | NL50696C (bg) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2527546A (en) * | 1948-02-12 | 1950-10-31 | Buffalo Electro Chem Co | Production of fused collars |
| DE969093C (de) * | 1948-11-11 | 1958-04-30 | Aschaffenburger Zellstoffwerke | Verfahren zur Herstellung von gebleichtem Zellstoff aus Holz oder anderem pflanzlichem Material |
| DE4114135A1 (de) * | 1991-04-30 | 1992-11-05 | Sueddeutsche Kalkstickstoff | Verfahren zur chlorfreien bleiche und delignifizierung von alkalizellstoff |
| DE4114134A1 (de) * | 1991-04-30 | 1992-11-05 | Sueddeutsche Kalkstickstoff | Verfahren zur chlorfreien bleiche und delignifizierung von alkalizellstoff |
| EP0801170A1 (fr) * | 1996-04-12 | 1997-10-15 | Chemoxal Sa | Procédé pour la délignification et/ou le blanchiment d'une pâte à papier |
| FR2754550B1 (fr) * | 1996-10-15 | 1998-11-06 | Chemoxal Sa | Procede pour la delignification et/ou le blanchiment d'une pate a papier |
| FR2747408B1 (fr) * | 1996-04-12 | 1998-05-15 | Air Liquide | Procede pour la delignification et/ou le blanchiment d'une pate a papier |
-
0
- NL NL50696D patent/NL50696C/xx active
-
1939
- 1939-09-02 CH CH214148D patent/CH214148A/de unknown
- 1939-09-12 FR FR860112D patent/FR860112A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR860112A (fr) | 1941-01-07 |
| CH214148A (de) | 1941-04-15 |