FR2174949A1 - - Google Patents
Info
- Publication number
- FR2174949A1 FR2174949A1 FR7307579A FR7307579A FR2174949A1 FR 2174949 A1 FR2174949 A1 FR 2174949A1 FR 7307579 A FR7307579 A FR 7307579A FR 7307579 A FR7307579 A FR 7307579A FR 2174949 A1 FR2174949 A1 FR 2174949A1
- 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.)
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH323372A CH552716A (fr) | 1972-03-06 | 1972-03-06 | Procede d'obtention de la cellulose a partir de matieres premieres ligno-cellulosiques. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2174949A1 true FR2174949A1 (en:Method) | 1973-10-19 |
| FR2174949B1 FR2174949B1 (en:Method) | 1975-10-31 |
Family
ID=4251528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7307579A Expired FR2174949B1 (en:Method) | 1972-03-06 | 1973-03-02 |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3932207A (en:Method) |
| AT (1) | AT330568B (en:Method) |
| BR (1) | BR7301663D0 (en:Method) |
| CA (1) | CA987312A (en:Method) |
| CH (1) | CH552716A (en:Method) |
| DE (1) | DE2310547C3 (en:Method) |
| FR (1) | FR2174949B1 (en:Method) |
| GB (1) | GB1386541A (en:Method) |
| SE (1) | SE386216B (en:Method) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI75615C (fi) * | 1985-11-29 | 1991-08-26 | Ahlstroem Oy | Foerfarande foer saenkning av svartlutens viskositet. |
| US5730837A (en) * | 1994-12-02 | 1998-03-24 | Midwest Research Institute | Method of separating lignocellulosic material into lignin, cellulose and dissolved sugars |
| RU2189996C2 (ru) * | 1997-11-04 | 2002-09-27 | Дедини С/А. Администрасао е Партисипасоес | Способ быстрого кислотного гидролиза лигноцеллюлозного материала и гидролизный реактор |
| WO2004106624A1 (en) * | 2003-06-03 | 2004-12-09 | Pacific Pulp Resources Inc. | Method for producing pulp and lignin |
| US7771565B2 (en) * | 2006-02-21 | 2010-08-10 | Packaging Corporation Of America | Method of pre-treating woodchips prior to mechanical pulping |
| GB0821419D0 (en) | 2008-11-24 | 2008-12-31 | Bio Sep Ltd | Processing of biomass |
| EP2370627A4 (en) * | 2008-12-08 | 2013-09-18 | Fpinnovations | INCREASING THE INCOME OF ALKALIC ENCLOSURE FOR NEEDLE WOOD WITH METALLIONS |
| US10266852B2 (en) | 2013-12-06 | 2019-04-23 | Alliance For Sustainable Energy, Llc | Lignin conversion to fuels, chemicals and materials |
| US10017792B2 (en) | 2014-07-18 | 2018-07-10 | Alliance For Sustainable Energy, Llc | Biomass conversion to fuels and chemicals |
| US11136601B2 (en) | 2018-08-02 | 2021-10-05 | Alliance For Sustainable Energy, Llc | Conversion of S-lignin compounds to useful intermediates |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1790838A (en) * | 1931-02-03 | of berlin | ||
| US1362723A (en) * | 1917-03-26 | 1920-12-21 | Marr Robert Athelstan | Process of producing textile fibers |
| GB416558A (en) * | 1933-03-07 | 1934-09-07 | Henry Dreyfus | Improvements in the manufacture of cellulose from ligno-cellulosic materials |
| US2068151A (en) * | 1934-11-05 | 1937-01-19 | Du Pont | Paper manufacture |
| US2308564A (en) * | 1938-05-13 | 1943-01-19 | Ralph H Mckee | Recovery of cellulose and lignin from wood |
| US2753309A (en) * | 1951-10-27 | 1956-07-03 | Pioneer Chemical Works Inc | Defoaming agents |
| US3338943A (en) * | 1963-05-13 | 1967-08-29 | Dow Corning | Aminoorganosiloxane-carboxyorganosiloxane copolymers |
| US3448002A (en) * | 1964-06-20 | 1969-06-03 | Domtar Ltd | Pulping process |
-
1972
- 1972-03-06 CH CH323372A patent/CH552716A/fr not_active IP Right Cessation
-
1973
- 1973-03-02 DE DE2310547A patent/DE2310547C3/de not_active Expired
- 1973-03-02 FR FR7307579A patent/FR2174949B1/fr not_active Expired
- 1973-03-05 US US05/337,858 patent/US3932207A/en not_active Expired - Lifetime
- 1973-03-05 CA CA165,238A patent/CA987312A/en not_active Expired
- 1973-03-05 AT AT193373A patent/AT330568B/de not_active IP Right Cessation
- 1973-03-06 GB GB1075273A patent/GB1386541A/en not_active Expired
- 1973-03-06 SE SE7303032A patent/SE386216B/xx unknown
- 1973-03-07 BR BR731663A patent/BR7301663D0/pt unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2310547A1 (de) | 1973-09-20 |
| SE386216B (sv) | 1976-08-02 |
| CH552716A (fr) | 1974-08-15 |
| FR2174949B1 (en:Method) | 1975-10-31 |
| DE2310547C3 (de) | 1975-09-11 |
| CA987312A (en) | 1976-04-13 |
| US3932207A (en) | 1976-01-13 |
| DE2310547B2 (de) | 1975-02-06 |
| GB1386541A (en) | 1975-03-05 |
| BR7301663D0 (pt) | 1974-05-16 |
| ATA193373A (de) | 1975-09-15 |
| AT330568B (de) | 1976-07-12 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |