Controlled Release Pharmaceutical Preparation and Method fo r Producing the Same
A controlled release pharmaceutical preparation comprising (a) a core containing a pharmaceutically active substance and an organic acid, and (b) a coating film formed on the surface of the core by aqueous coating of a water-insoluble and slightly water-permeable acrylic polymer containing a trimeth...
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| Main Authors | , , , |
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| Format | Patent |
| Language | English French |
| Published |
29.06.1991
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| Edition | 5 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | A controlled release pharmaceutical preparation comprising (a) a core containing a pharmaceutically active substance and an organic acid, and (b) a coating film formed on the surface of the core by aqueous coating of a water-insoluble and slightly water-permeable acrylic polymer containing a trimethylammonium-ethyl group, which exhibits well controlled dissolution and release of the pharmaceutically active substance when administered and can maintain the desired blood level of the active substance for a long period of time, and a method for producing the preparation. |
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| AbstractList | A controlled release pharmaceutical preparation comprising (a) a core containing a pharmaceutically active substance and an organic acid, and (b) a coating film formed on the surface of the core by aqueous coating of a water-insoluble and slightly water-permeable acrylic polymer containing a trimethylammonium-ethyl group, which exhibits well controlled dissolution and release of the pharmaceutically active substance when administered and can maintain the desired blood level of the active substance for a long period of time, and a method for producing the preparation. |
| Author | HIRAKAWA, YOSHIYUKI NODA, KAZUO YOSHINO, HIROYUKI NARISAWA, SHINJI |
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| Discipline | Medicine Chemistry Sciences |
| DocumentTitleAlternate | Préparation pharmaceutique à libération contrôlée et procédé de fabrication de ladite préparation |
| Edition | 5 |
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| Notes | Application Number: CA19902033277 |
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| PublicationDate | 19910629 |
| PublicationDateYYYYMMDD | 1991-06-29 |
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| PublicationDecade | 1990 |
| PublicationYear | 1991 |
| RelatedCompanies | TANABE SEIYAKU CO., LTD |
| RelatedCompanies_xml | – name: TANABE SEIYAKU CO., LTD |
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| Snippet | A controlled release pharmaceutical preparation comprising (a) a core containing a pharmaceutically active substance and an organic acid, and (b) a coating... |
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| SubjectTerms | HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES |
| Title | Controlled Release Pharmaceutical Preparation and Method fo r Producing the Same |
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