Magnesium valproate sustained release tablet and preparation process thereof
The invention relates to a magnesium valproate sustained release tablet and a preparation process thereof. The magnesium valproate sustained release tablet is prepared from the following two parts: A,a tablet core prepared from the following substances: 29 to 54 percent of magnesium valproate, 17 to...
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| creator | XIE XIANGMING YANG ZHENHAO YIN WENLE |
| description | The invention relates to a magnesium valproate sustained release tablet and a preparation process thereof. The magnesium valproate sustained release tablet is prepared from the following two parts: A,a tablet core prepared from the following substances: 29 to 54 percent of magnesium valproate, 17 to 21 percent of hydroxypropyl methylcellulose, 2 to 9 percent of ethylcellulose, 22 to 30 percent ofethyl alcohol, 0.8 to 4 percent of magnesium stearate, and 3 to 7 percent of talcum powder; B, a sustained release tablet coating formula prepared from the following substances: 0.7 to 2 percent of ethylcellulose, 0.7 to 1.3 percent of glycerinum, 1.3 to 4 percent of hydroxypropyl methylcellulose, and 0.3 to 1.3 percent of talcum powder. The preparation process comprises: A, a preparation processof the tablet core, comprising the steps of weighing raw materials according to tablet core formula amounts uniformly mixing, adding an appropriate amount of the ethyl alcohol, preparing a soft material, sieving and pelletizin |
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The magnesium valproate sustained release tablet is prepared from the following two parts: A,a tablet core prepared from the following substances: 29 to 54 percent of magnesium valproate, 17 to 21 percent of hydroxypropyl methylcellulose, 2 to 9 percent of ethylcellulose, 22 to 30 percent ofethyl alcohol, 0.8 to 4 percent of magnesium stearate, and 3 to 7 percent of talcum powder; B, a sustained release tablet coating formula prepared from the following substances: 0.7 to 2 percent of ethylcellulose, 0.7 to 1.3 percent of glycerinum, 1.3 to 4 percent of hydroxypropyl methylcellulose, and 0.3 to 1.3 percent of talcum powder. 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| subjects | HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS |
| title | Magnesium valproate sustained release tablet and preparation process thereof |
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