ATE308567T1 - Verfahren zur herstellung einer wässrigen zellulosederivat-dispersion - Google Patents
Verfahren zur herstellung einer wässrigen zellulosederivat-dispersionInfo
- Publication number
- ATE308567T1 ATE308567T1 AT02710419T AT02710419T ATE308567T1 AT E308567 T1 ATE308567 T1 AT E308567T1 AT 02710419 T AT02710419 T AT 02710419T AT 02710419 T AT02710419 T AT 02710419T AT E308567 T1 ATE308567 T1 AT E308567T1
- Authority
- AT
- Austria
- Prior art keywords
- cellulose derivative
- producing
- dispersion
- aqueous cellulose
- derivative dispersion
- Prior art date
Links
- 239000006185 dispersion Substances 0.000 title abstract 6
- 229920002678 cellulose Polymers 0.000 title abstract 3
- 239000001913 cellulose Substances 0.000 title abstract 3
- 238000004519 manufacturing process Methods 0.000 title 1
- 239000003513 alkali Substances 0.000 abstract 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract 2
- 239000003960 organic solvent Substances 0.000 abstract 2
- 238000000034 method Methods 0.000 abstract 1
- 238000002203 pretreatment Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/20—Pills, tablets, discs, rods
- A61K9/28—Dragees; Coated pills or tablets, e.g. with film or compression coating
- A61K9/2806—Coating materials
- A61K9/2833—Organic macromolecular compounds
- A61K9/286—Polysaccharides, e.g. gums; Cyclodextrin
- A61K9/2866—Cellulose; Cellulose derivatives, e.g. hydroxypropyl methylcellulose
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
- A61K47/30—Macromolecular organic or inorganic compounds, e.g. inorganic polyphosphates
- A61K47/36—Polysaccharides; Derivatives thereof, e.g. gums, starch, alginate, dextrin, hyaluronic acid, chitosan, inulin, agar or pectin
- A61K47/38—Cellulose; Derivatives thereof
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Medicinal Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Medicinal Preparation (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2001023796 | 2001-01-31 | ||
| PCT/JP2002/000761 WO2002060487A1 (fr) | 2001-01-31 | 2002-01-31 | Procede de production d'une dispersion aqueuse de derives cellulosiques |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE308567T1 true ATE308567T1 (de) | 2005-11-15 |
Family
ID=18889038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT02710419T ATE308567T1 (de) | 2001-01-31 | 2002-01-31 | Verfahren zur herstellung einer wässrigen zellulosederivat-dispersion |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US20040082777A1 (de) |
| EP (1) | EP1356825B1 (de) |
| JP (1) | JP3868376B2 (de) |
| AT (1) | ATE308567T1 (de) |
| DE (1) | DE60207042T2 (de) |
| TW (1) | TW589198B (de) |
| WO (1) | WO2002060487A1 (de) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6346510B1 (en) | 1995-10-23 | 2002-02-12 | The Children's Medical Center Corporation | Therapeutic antiangiogenic endostatin compositions |
| CA2569684C (en) * | 2004-06-07 | 2014-10-07 | Kureha Corporation | Dry composition for oral ingestion and gel composition prepared just before use for oral ingestion |
| CN103687652B (zh) * | 2011-07-27 | 2015-07-15 | 陶氏环球技术有限责任公司 | 从纤维素醚中除去邻亚烷卤醇的方法 |
| US20150027648A1 (en) * | 2012-03-14 | 2015-01-29 | Nippon Paper Industries Co., Ltd., | Method for producing anion-modified cellulose nanofiber dispersion |
| EP2813218B1 (de) * | 2013-06-14 | 2022-08-24 | Shin-Etsu Chemical Co., Ltd. | Verfahren zur herstellung einer wässrigen enterischen beschichtungsflüssigkeit, feststoffpräparat und verfahren zur herstellung davon |
| WO2019059079A1 (ja) * | 2017-09-20 | 2019-03-28 | 日本製紙株式会社 | アニオン変性セルロースナノファイバーの製造方法 |
| WO2023135261A1 (en) * | 2022-01-14 | 2023-07-20 | Impossible Materials Gmbh | Cellulose particles |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL288445A (de) * | 1962-02-02 | |||
| JPS6031501A (ja) * | 1983-07-27 | 1985-02-18 | Kohjin Co Ltd | オキシカルボン酸型セルロ−ス誘導体の精製方法 |
| JPS6051124A (ja) * | 1983-08-31 | 1985-03-22 | Kohjin Co Ltd | 腸溶性材コ−ティング液 |
| US4547571A (en) * | 1983-10-06 | 1985-10-15 | Kohjin Co., Ltd. | Process for preparing carboxymethyl ethyl cellulose suitable for enteric coating |
| JP3142919B2 (ja) * | 1991-11-06 | 2001-03-07 | 旭化成株式会社 | セルロース誘導体ラテックス及びその製法 |
| US5560930A (en) * | 1993-12-27 | 1996-10-01 | Shin-Etsu Chemical Co., Ltd. | Method for preparing aqueous emulsion for coating solid pharmaceutical preparations |
-
2002
- 2002-01-31 JP JP2002560678A patent/JP3868376B2/ja not_active Expired - Fee Related
- 2002-01-31 TW TW091101687A patent/TW589198B/zh not_active IP Right Cessation
- 2002-01-31 AT AT02710419T patent/ATE308567T1/de not_active IP Right Cessation
- 2002-01-31 US US10/470,502 patent/US20040082777A1/en not_active Abandoned
- 2002-01-31 DE DE60207042T patent/DE60207042T2/de not_active Expired - Lifetime
- 2002-01-31 EP EP02710419A patent/EP1356825B1/de not_active Expired - Lifetime
- 2002-01-31 WO PCT/JP2002/000761 patent/WO2002060487A1/ja not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| DE60207042D1 (de) | 2005-12-08 |
| JPWO2002060487A1 (ja) | 2004-05-27 |
| EP1356825A1 (de) | 2003-10-29 |
| DE60207042T2 (de) | 2006-07-20 |
| TW589198B (en) | 2004-06-01 |
| WO2002060487A1 (fr) | 2002-08-08 |
| EP1356825B1 (de) | 2005-11-02 |
| JP3868376B2 (ja) | 2007-01-17 |
| US20040082777A1 (en) | 2004-04-29 |
| EP1356825A4 (de) | 2004-04-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RER | Ceased as to paragraph 5 lit. 3 law introducing patent treaties |