JPS4966902A - - Google Patents
Info
- Publication number
- JPS4966902A JPS4966902A JP48059635A JP5963573A JPS4966902A JP S4966902 A JPS4966902 A JP S4966902A JP 48059635 A JP48059635 A JP 48059635A JP 5963573 A JP5963573 A JP 5963573A JP S4966902 A JPS4966902 A JP S4966902A
- 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.)
- Granted
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
- D21C9/1063—Bleaching ; Apparatus therefor with compounds not otherwise provided for, e.g. activated gases
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA143,298A CA973660A (en) | 1972-05-29 | 1972-05-29 | Treatment of cellulosic matter with active nitrogen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4966902A true JPS4966902A (en) | 1974-06-28 |
| JPS5034642B2 JPS5034642B2 (en) | 1975-11-10 |
Family
ID=4093395
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48059635A Expired JPS5034642B2 (en) | 1972-05-29 | 1973-05-28 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US3806404A (en) |
| JP (1) | JPS5034642B2 (en) |
| AR (1) | AR200489A1 (en) |
| AU (1) | AU469963B2 (en) |
| BR (1) | BR7303947D0 (en) |
| CA (1) | CA973660A (en) |
| DE (1) | DE2327407C3 (en) |
| FR (1) | FR2186572B1 (en) |
| IT (1) | IT1000024B (en) |
| SE (1) | SE396970B (en) |
| SU (1) | SU578015A3 (en) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2255418B1 (en) * | 1973-12-21 | 1976-05-07 | Europeen Cellulose | |
| JPS5528902Y2 (en) * | 1976-03-11 | 1980-07-10 | ||
| JPS52120260U (en) * | 1976-03-11 | 1977-09-12 | ||
| US4080249A (en) * | 1976-06-02 | 1978-03-21 | International Paper Company | Delignification and bleaching of a lignocellulosic pulp slurry with ozone |
| US4216054A (en) | 1977-09-26 | 1980-08-05 | Weyerhaeuser Company | Low-consistency ozone delignification |
| US4410397A (en) * | 1978-04-07 | 1983-10-18 | International Paper Company | Delignification and bleaching process and solution for lignocellulosic pulp with peroxide in the presence of metal additives |
| US4372812A (en) * | 1978-04-07 | 1983-02-08 | International Paper Company | Chlorine free process for bleaching lignocellulosic pulp |
| US4427490A (en) | 1978-04-07 | 1984-01-24 | International Paper Company | Delignification and bleaching process for lignocellulosic pulp with peroxide in the presence of metal additives |
| JPS5949446B2 (en) * | 1978-12-25 | 1984-12-03 | 日本精工株式会社 | Self-aligning device for clutch release bearing device |
| US4294654A (en) * | 1980-03-21 | 1981-10-13 | International Paper Company | Delignification and bleaching of lignocellulosic pulp via photo-oxygenation |
| WO1984000181A1 (en) * | 1982-06-24 | 1984-01-19 | Scott Paper Co | Ozone bleaching of cellulosic materials |
| GR81673B (en) * | 1983-05-06 | 1984-12-12 | Personal Products Co | |
| US4597930A (en) * | 1983-07-11 | 1986-07-01 | Szal John R | Method of manufacture of a felted fibrous product from a nonaqueous medium |
| JPS634434U (en) * | 1986-06-26 | 1988-01-12 | ||
| JPS6440723A (en) * | 1987-08-07 | 1989-02-13 | Nippon Seiko Kk | Clutch release bearing device |
| US5139613A (en) * | 1988-01-21 | 1992-08-18 | Canadian Liquid Air Limited | Process for preparing a paper pulp using carbon dioxide as an acidifying agent for a bleached pulp |
| US5770010A (en) * | 1995-04-20 | 1998-06-23 | R-J Holding Company | Pulping process employing nascent oxygen |
| FI110533B (en) * | 2000-05-04 | 2003-02-14 | Aga Ab | Method for controlling microbial growth |
| DE102005049230A1 (en) * | 2005-06-16 | 2006-12-28 | Siemens Ag | Process for the treatment of unwoven fibrous materials and apparatus for bleaching |
| DE102005049231A1 (en) * | 2005-06-16 | 2006-12-28 | Siemens Ag | Process for the treatment of a process material in the production of paper, cardboard or cardboard |
| DE102005049274A1 (en) * | 2005-06-16 | 2006-12-28 | Siemens Ag | Process for the treatment of a process material with large-area plasma |
| DE102006024404A1 (en) * | 2006-05-24 | 2007-11-29 | Siemens Ag | Method for improving the quality of a fiber suspension |
| US20090090478A1 (en) * | 2007-10-05 | 2009-04-09 | Hollomon Martha G | Selectivity improvement in oxygen delignification and bleaching of lignocellulose pulp using singlet oxygen |
-
1972
- 1972-05-29 CA CA143,298A patent/CA973660A/en not_active Expired
-
1973
- 1973-05-16 US US00360971A patent/US3806404A/en not_active Expired - Lifetime
- 1973-05-23 AR AR248206A patent/AR200489A1/en active
- 1973-05-25 SE SE7307413A patent/SE396970B/en unknown
- 1973-05-28 SU SU7301925441A patent/SU578015A3/en active
- 1973-05-28 BR BR3947/73A patent/BR7303947D0/en unknown
- 1973-05-28 JP JP48059635A patent/JPS5034642B2/ja not_active Expired
- 1973-05-28 AU AU56214/73A patent/AU469963B2/en not_active Expired
- 1973-05-29 DE DE2327407A patent/DE2327407C3/en not_active Expired
- 1973-05-29 IT IT50277/73A patent/IT1000024B/en active
- 1973-05-29 FR FR7319406A patent/FR2186572B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3806404A (en) | 1974-04-23 |
| SE396970B (en) | 1977-10-10 |
| IT1000024B (en) | 1976-03-30 |
| FR2186572B1 (en) | 1976-09-17 |
| AU469963B2 (en) | 1976-02-26 |
| AU5621473A (en) | 1974-11-28 |
| BR7303947D0 (en) | 1974-07-18 |
| CA973660A (en) | 1975-09-02 |
| FR2186572A1 (en) | 1974-01-11 |
| DE2327407C3 (en) | 1978-06-08 |
| DE2327407B2 (en) | 1977-10-13 |
| AR200489A1 (en) | 1974-11-15 |
| DE2327407A1 (en) | 1973-12-13 |
| SU578015A3 (en) | 1977-10-25 |
| JPS5034642B2 (en) | 1975-11-10 |