FR2154407B1 - - Google Patents
Info
- Publication number
- FR2154407B1 FR2154407B1 FR7219543A FR7219543A FR2154407B1 FR 2154407 B1 FR2154407 B1 FR 2154407B1 FR 7219543 A FR7219543 A FR 7219543A FR 7219543 A FR7219543 A FR 7219543A FR 2154407 B1 FR2154407 B1 FR 2154407B1
- Authority
- FR
- France
- 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.)
- Expired
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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/24—Continuous processes
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/222—Use of compounds accelerating the pulping processes
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14900071A | 1971-06-01 | 1971-06-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2154407A1 FR2154407A1 (enExample) | 1973-05-11 |
| FR2154407B1 true FR2154407B1 (enExample) | 1974-01-04 |
Family
ID=22528372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7219543A Expired FR2154407B1 (enExample) | 1971-06-01 | 1972-05-31 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3738908A (enExample) |
| JP (1) | JPS5539678B1 (enExample) |
| AU (2) | AU474222B2 (enExample) |
| BR (2) | BR7203417D0 (enExample) |
| EG (1) | EG10779A (enExample) |
| ES (1) | ES403376A1 (enExample) |
| FR (1) | FR2154407B1 (enExample) |
| PH (1) | PH9628A (enExample) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3923591A (en) * | 1972-03-21 | 1975-12-02 | Process Evaluation Devel | Prehydrolysis and digestion of fibrous lignocellulosic material |
| ZA75370B (en) * | 1974-02-15 | 1976-01-28 | H Funk | Method of treating bagasse |
| US4199399A (en) * | 1976-04-19 | 1980-04-22 | Process Evaluation & Development Corp. | Method for preparing bagasse dissolving pulps and producing rayon having a degree of polymerization of at least 800 therefrom |
| AU7782181A (en) * | 1980-11-25 | 1982-06-03 | Australian Paper Manufacturers Limited | Oxidisation of spent pulp liquor |
| AT387247B (de) * | 1987-05-12 | 1988-12-27 | Voest Alpine Ind Anlagen | Kombiniertes verfahren zur thermischen und chemischen behandlung von lignocellulosehaltiger biomasse und zur gewinnung von furfural |
| AT387408B (de) * | 1987-05-12 | 1989-01-25 | Voest Alpine Ind Anlagen | Kombiniertes verfahren zur thermischen und chemischen behandlung von lignocellulosehaltiger biomasse und zur gewinnung von furfural |
-
1971
- 1971-06-01 US US00149000A patent/US3738908A/en not_active Expired - Lifetime
-
1972
- 1972-05-18 AU AU42450/72A patent/AU474222B2/en not_active Expired
- 1972-05-19 AU AU42510/72A patent/AU475331B2/en not_active Expired
- 1972-05-29 BR BR003417/72A patent/BR7203417D0/pt unknown
- 1972-05-29 BR BR003416/72A patent/BR7203416D0/pt unknown
- 1972-05-30 EG EG220/72A patent/EG10779A/xx active
- 1972-05-31 FR FR7219543A patent/FR2154407B1/fr not_active Expired
- 1972-05-31 ES ES403376A patent/ES403376A1/es not_active Expired
- 1972-06-01 JP JP5385472A patent/JPS5539678B1/ja active Pending
- 1972-06-26 PH PH13571*UA patent/PH9628A/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| BR7203417D0 (pt) | 1973-07-19 |
| EG10779A (en) | 1976-05-31 |
| AU4251072A (en) | 1973-11-22 |
| AU474222B2 (en) | 1976-07-15 |
| FR2154407A1 (enExample) | 1973-05-11 |
| JPS5539678B1 (enExample) | 1980-10-13 |
| PH9628A (en) | 1976-01-20 |
| BR7203416D0 (pt) | 1973-07-19 |
| AU475331B2 (en) | 1976-08-19 |
| US3738908A (en) | 1973-06-12 |
| ES403376A1 (es) | 1975-04-16 |
| AU4245072A (en) | 1973-11-22 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |