UY30536A1 - SYSTEM OF CONTROLLED PHARMACEUTICAL RELEASE, PARTICULARLY ORAL ADMINISTRATION OF ACTIVE SUBSTANCES WITH SOLUBILITIES OF PH, PREPARATION AND APPLICATION. - Google Patents
SYSTEM OF CONTROLLED PHARMACEUTICAL RELEASE, PARTICULARLY ORAL ADMINISTRATION OF ACTIVE SUBSTANCES WITH SOLUBILITIES OF PH, PREPARATION AND APPLICATION.Info
- Publication number
- UY30536A1 UY30536A1 UY30536A UY30536A UY30536A1 UY 30536 A1 UY30536 A1 UY 30536A1 UY 30536 A UY30536 A UY 30536A UY 30536 A UY30536 A UY 30536A UY 30536 A1 UY30536 A1 UY 30536A1
- Authority
- UY
- Uruguay
- Prior art keywords
- solubilities
- active substances
- preparation
- application
- oral administration
- Prior art date
Links
- 239000013543 active substance Substances 0.000 title abstract 3
- 230000001419 dependent effect Effects 0.000 abstract 2
- 125000000129 anionic group Chemical group 0.000 abstract 1
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000013270 controlled release Methods 0.000 abstract 1
- 239000011162 core material Substances 0.000 abstract 1
- 239000012212 insulator Substances 0.000 abstract 1
- 125000003010 ionic group Chemical group 0.000 abstract 1
- 239000003002 pH adjusting agent Substances 0.000 abstract 1
- 229920000642 polymer Polymers 0.000 abstract 1
- 229920003176 water-insoluble polymer Polymers 0.000 abstract 1
Landscapes
- Medicinal Preparation (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Abstract
Sistema de liberacion farmacéutica controlada (independiente del pH) para administracion, particularmente oral, de sustancias activas con solubilidades dependientes del pH, comprendiendo material de nucleo conteniendo o consistiendo en uno o más modificadores del pH farmacéuticamente aceptables y las siguientes capas: a) opcionalmente una aislante, c) una primera comprendiendo uno o más polímeros insolubles en agua farmacéuticamente aceptables; d) una segunda comprendiendo por lo menos una sustancia activa con una solubilidad dependiente del pH; e) una tercera comprendiendo uno o más polímeros farmacéuticamente aceptables conteniendo grupos anionicos o no ionicos; y f) opcionalmente una cuarta, preferiblemente en forma de recubrimiento externo.Pharmaceutical controlled release system (independent of pH) for administration, particularly oral, of active substances with pH-dependent solubilities, comprising core material containing or consisting of one or more pharmaceutically acceptable pH modifiers and the following layers: a) optionally a insulator, c) a first comprising one or more pharmaceutically acceptable water insoluble polymers; d) a second one comprising at least one active substance with a pH dependent solubility; e) a third comprising one or more pharmaceutically acceptable polymers containing anionic or non-ionic groups; and f) optionally a fourth, preferably in the form of an external coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| UY30536A UY30536A1 (en) | 2007-08-13 | 2007-08-13 | SYSTEM OF CONTROLLED PHARMACEUTICAL RELEASE, PARTICULARLY ORAL ADMINISTRATION OF ACTIVE SUBSTANCES WITH SOLUBILITIES OF PH, PREPARATION AND APPLICATION. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| UY30536A UY30536A1 (en) | 2007-08-13 | 2007-08-13 | SYSTEM OF CONTROLLED PHARMACEUTICAL RELEASE, PARTICULARLY ORAL ADMINISTRATION OF ACTIVE SUBSTANCES WITH SOLUBILITIES OF PH, PREPARATION AND APPLICATION. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| UY30536A1 true UY30536A1 (en) | 2008-03-31 |
Family
ID=39247293
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| UY30536A UY30536A1 (en) | 2007-08-13 | 2007-08-13 | SYSTEM OF CONTROLLED PHARMACEUTICAL RELEASE, PARTICULARLY ORAL ADMINISTRATION OF ACTIVE SUBSTANCES WITH SOLUBILITIES OF PH, PREPARATION AND APPLICATION. |
Country Status (1)
| Country | Link |
|---|---|
| UY (1) | UY30536A1 (en) |
-
2007
- 2007-08-13 UY UY30536A patent/UY30536A1/en not_active Application Discontinuation
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 109 | Application deemed to be withdrawn |
Effective date: 20170725 |