SE8800610D0 - Production of high strength linerboard with oxygen and alkali - Google Patents
Production of high strength linerboard with oxygen and alkaliInfo
- Publication number
- SE8800610D0 SE8800610D0 SE8800610A SE8800610A SE8800610D0 SE 8800610 D0 SE8800610 D0 SE 8800610D0 SE 8800610 A SE8800610 A SE 8800610A SE 8800610 A SE8800610 A SE 8800610A SE 8800610 D0 SE8800610 D0 SE 8800610D0
- Authority
- SE
- Sweden
- Prior art keywords
- oxygen
- alkali
- production
- linerboard
- high strength
- Prior art date
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
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
- D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives 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
- 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US1786687A | 1987-02-24 | 1987-02-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8800610D0 true SE8800610D0 (sv) | 1988-02-23 |
SE8800610L SE8800610L (sv) | 1988-08-25 |
Family
ID=21784970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8800610A SE8800610L (sv) | 1987-02-24 | 1988-02-23 | Tillverkning av linerboard med hog styrka med anvendning av syrgas och alkali |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS63282388A (sv) |
CA (1) | CA1289305C (sv) |
FI (1) | FI880870A (sv) |
NO (1) | NO880773L (sv) |
SE (1) | SE8800610L (sv) |
-
1988
- 1988-02-23 NO NO880773A patent/NO880773L/no unknown
- 1988-02-23 SE SE8800610A patent/SE8800610L/sv not_active Application Discontinuation
- 1988-02-23 CA CA000559542A patent/CA1289305C/en not_active Expired - Fee Related
- 1988-02-24 FI FI880870A patent/FI880870A/fi not_active IP Right Cessation
- 1988-02-24 JP JP63041815A patent/JPS63282388A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NO880773L (no) | 1988-08-25 |
SE8800610L (sv) | 1988-08-25 |
NO880773D0 (no) | 1988-02-23 |
CA1289305C (en) | 1991-09-24 |
FI880870A0 (fi) | 1988-02-24 |
JPS63282388A (ja) | 1988-11-18 |
FI880870A (fi) | 1988-08-25 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
Ref document number: 8800610-1 Effective date: 19940901 |