BE719387A - - Google Patents
Info
- Publication number
- BE719387A BE719387A BE719387DA BE719387A BE 719387 A BE719387 A BE 719387A BE 719387D A BE719387D A BE 719387DA BE 719387 A BE719387 A BE 719387A
- Authority
- BE
- Belgium
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/06—Rendering cellulose suitable for etherification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/02—Rendering cellulose suitable for esterification
-
- 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
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
- D21C9/083—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching with inorganic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US70254568A | 1968-02-02 | 1968-02-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE719387A true BE719387A (enrdf_load_html_response) | 1969-01-16 |
Family
ID=24821652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE719387D BE719387A (enrdf_load_html_response) | 1968-02-02 | 1968-08-12 |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE719387A (enrdf_load_html_response) |
| CH (1) | CH504478A (enrdf_load_html_response) |
| DE (1) | DE1792227B1 (enrdf_load_html_response) |
| DK (1) | DK124691B (enrdf_load_html_response) |
| NO (1) | NO125193B (enrdf_load_html_response) |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE633461A (enrdf_load_html_response) * | 1963-02-25 |
-
1968
- 1968-08-07 DE DE19681792227 patent/DE1792227B1/de active Pending
- 1968-08-12 BE BE719387D patent/BE719387A/xx unknown
- 1968-10-15 DK DK495468A patent/DK124691B/da unknown
- 1968-10-17 NO NO411868A patent/NO125193B/no unknown
- 1968-10-30 CH CH1618968A patent/CH504478A/fr not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DK124691B (da) | 1972-11-13 |
| NO125193B (enrdf_load_html_response) | 1972-07-31 |
| CH504478A (fr) | 1971-03-15 |
| DE1792227B1 (de) | 1971-10-28 |