JPS517201A - - Google Patents
Info
- Publication number
- JPS517201A JPS517201A JP50069789A JP6978975A JPS517201A JP S517201 A JPS517201 A JP S517201A JP 50069789 A JP50069789 A JP 50069789A JP 6978975 A JP6978975 A JP 6978975A JP S517201 A JPS517201 A JP S517201A
- Authority
- JP
- Japan
- 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.)
- Pending
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
-
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Secondary Cells (AREA)
- Materials For Medical Uses (AREA)
- Electric Double-Layer Capacitors Or The Like (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Reinforced Plastic Materials (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2584674A GB1505076A (en) | 1974-06-11 | 1974-06-11 | Strenghening of mechanical pulp by chemical treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS517201A true JPS517201A (pt) | 1976-01-21 |
Family
ID=10234295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP50069789A Pending JPS517201A (pt) | 1974-06-11 | 1975-06-11 |
Country Status (7)
| Country | Link |
|---|---|
| JP (1) | JPS517201A (pt) |
| BR (1) | BR7503681A (pt) |
| CA (1) | CA1056558A (pt) |
| ES (1) | ES438434A1 (pt) |
| FI (1) | FI66031B (pt) |
| NO (1) | NO145141C (pt) |
| SE (1) | SE7506647L (pt) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52127982A (en) * | 1976-04-17 | 1977-10-27 | Eidai Co Ltd | Process for manufacturing special particleboard |
| JPH0672385B2 (ja) * | 1990-01-31 | 1994-09-14 | エカ ノーベル アクチェボラーグ | リグノセルロース材料の漂白方法 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4887101A (pt) * | 1972-02-22 | 1973-11-16 |
-
1975
- 1975-05-30 CA CA228,090A patent/CA1056558A/en not_active Expired
- 1975-06-09 NO NO752026A patent/NO145141C/no unknown
- 1975-06-10 FI FI751733A patent/FI66031B/fi not_active Application Discontinuation
- 1975-06-10 SE SE7506647A patent/SE7506647L/xx unknown
- 1975-06-11 ES ES438434A patent/ES438434A1/es not_active Expired
- 1975-06-11 JP JP50069789A patent/JPS517201A/ja active Pending
- 1975-06-11 BR BR4722/75D patent/BR7503681A/pt unknown
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4887101A (pt) * | 1972-02-22 | 1973-11-16 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52127982A (en) * | 1976-04-17 | 1977-10-27 | Eidai Co Ltd | Process for manufacturing special particleboard |
| JPH0672385B2 (ja) * | 1990-01-31 | 1994-09-14 | エカ ノーベル アクチェボラーグ | リグノセルロース材料の漂白方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| CA1056558A (en) | 1979-06-19 |
| NO752026L (pt) | 1975-12-12 |
| NO145141B (no) | 1981-10-12 |
| BR7503681A (pt) | 1976-06-29 |
| ES438434A1 (es) | 1977-02-01 |
| SE7506647L (sv) | 1975-12-12 |
| NO145141C (no) | 1982-01-20 |
| FI66031B (fi) | 1984-04-30 |
| FI751733A (pt) | 1975-12-12 |