RU2013126920A - Полимерные гидрогели и способы их приготовления - Google Patents
Полимерные гидрогели и способы их приготовления Download PDFInfo
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- A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
- A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
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- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
- C08J3/246—Intercrosslinking of at least two polymers
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
- A61K31/716—Glucans
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
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- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
- A61K31/738—Cross-linked polysaccharides
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- 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
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- 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
- A61K9/06—Ointments; Bases therefor; Other semi-solid forms, e.g. creams, sticks, gels
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
- C08B15/02—Oxycellulose; Hydrocellulose; Cellulosehydrate, e.g. microcrystalline cellulose
- C08B15/04—Carboxycellulose, e.g. prepared by oxidation with nitrogen dioxide
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- C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
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- Y02E50/00—Technologies for the production of fuel of non-fossil origin
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Abstract
1. Полимерный гидрогель, включающий карбоксиметилцеллюлозу и лимонную кислоту, причем указанная лимонная кислота участвует в образовании поперечных связей в карбоксиметилцеллюлозе, при этом указанный полимерный гидрогель имеет коэффициент набухания по меньшей мере 50.2. Полимерный гидрогель по п.1, дополнительно включающий неионный полимер.3. Полимерный гидрогель по п.2, в котором неионный полимер представляет собой гидроксиэтилцеллюлозу.4. Полимерный гидрогель по п.3, в котором массовое отношение карбоксиметилцеллюлозы к гидроксиэтилцеллюлозе превышает 1:1.5. Полимерный гидрогель по п.4, в котором массовое отношение карбоксиметилцеллюлозы к гидроксиэтилцеллюлозе составляет от 2:1 до 5:1.6. Полимерный гидрогель по п.1, который состоит из возможно гидратированной карбоксиметилцеллюлозы, сшитой лимонной кислотой.7. Полимерный гидрогель по п.1, имеющий коэффициент набухания по меньшей мере 70, 80, 90 или 100.8. Полимерный гидрогель по п.1, имеющий коэффициент набухания от 50 до 350.9. Полимерный гидрогель по п.8, имеющий коэффициент набухания от 50 до 250.10. Полимерный гидрогель по п.9, имеющий коэффициент набухания от 50 до 100.11. Применение полимерного гидрогеля по любому из пп.1-10 для производства медикамента для лечения ожирения у нуждающегося в этом пациента.12. Полимерный гидрогель по любому из пп.1-10 для использования при лечении ожирения у нуждающегося в этом пациента.
Claims (12)
1. Полимерный гидрогель, включающий карбоксиметилцеллюлозу и лимонную кислоту, причем указанная лимонная кислота участвует в образовании поперечных связей в карбоксиметилцеллюлозе, при этом указанный полимерный гидрогель имеет коэффициент набухания по меньшей мере 50.
2. Полимерный гидрогель по п.1, дополнительно включающий неионный полимер.
3. Полимерный гидрогель по п.2, в котором неионный полимер представляет собой гидроксиэтилцеллюлозу.
4. Полимерный гидрогель по п.3, в котором массовое отношение карбоксиметилцеллюлозы к гидроксиэтилцеллюлозе превышает 1:1.
5. Полимерный гидрогель по п.4, в котором массовое отношение карбоксиметилцеллюлозы к гидроксиэтилцеллюлозе составляет от 2:1 до 5:1.
6. Полимерный гидрогель по п.1, который состоит из возможно гидратированной карбоксиметилцеллюлозы, сшитой лимонной кислотой.
7. Полимерный гидрогель по п.1, имеющий коэффициент набухания по меньшей мере 70, 80, 90 или 100.
8. Полимерный гидрогель по п.1, имеющий коэффициент набухания от 50 до 350.
9. Полимерный гидрогель по п.8, имеющий коэффициент набухания от 50 до 250.
10. Полимерный гидрогель по п.9, имеющий коэффициент набухания от 50 до 100.
11. Применение полимерного гидрогеля по любому из пп.1-10 для производства медикамента для лечения ожирения у нуждающегося в этом пациента.
12. Полимерный гидрогель по любому из пп.1-10 для использования при лечении ожирения у нуждающегося в этом пациента.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ITIT2007/000584 | 2007-08-10 | ||
PCT/IT2007/000584 WO2009022358A1 (en) | 2007-08-10 | 2007-08-10 | Superabsorbent polymer hydro gels and a method of preparing thereof |
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RU2010105385/04A Division RU2493170C2 (ru) | 2007-08-10 | 2008-08-08 | Полимерные гидрогели и способы их приготовления |
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RU2013126920A true RU2013126920A (ru) | 2014-12-20 |
RU2641749C2 RU2641749C2 (ru) | 2018-01-22 |
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RU2010105385/04A RU2493170C2 (ru) | 2007-08-10 | 2008-08-08 | Полимерные гидрогели и способы их приготовления |
RU2013126920A RU2641749C2 (ru) | 2007-08-10 | 2013-06-13 | Полимерные гидрогели и способы их приготовления |
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RU2010105385/04A RU2493170C2 (ru) | 2007-08-10 | 2008-08-08 | Полимерные гидрогели и способы их приготовления |
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US (5) | US8658147B2 (ru) |
EP (5) | EP2514444A1 (ru) |
JP (5) | JP5485151B2 (ru) |
CN (2) | CN101796075B (ru) |
AU (1) | AU2008286354B2 (ru) |
CA (1) | CA2695974C (ru) |
CY (2) | CY1115978T1 (ru) |
DK (2) | DK2463308T3 (ru) |
ES (3) | ES2526905T3 (ru) |
HK (1) | HK1172633A1 (ru) |
HR (1) | HRP20150121T1 (ru) |
HU (2) | HUE024123T2 (ru) |
MX (1) | MX2010001629A (ru) |
PL (2) | PL2463308T3 (ru) |
PT (2) | PT2463308E (ru) |
RU (2) | RU2493170C2 (ru) |
SI (2) | SI2532685T1 (ru) |
WO (2) | WO2009022358A1 (ru) |
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CN102281771A (zh) * | 2008-11-18 | 2011-12-14 | 万有限责任公司 | 用于体重管理和改善血糖控制的方法和组合物 |
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