IPC분류정보
국가/구분 |
United States(US) Patent
공개
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0743871
(2008-11-21)
|
공개번호 |
US-0286286
(2010-11-11)
|
우선권정보 |
JP-2007-302284(2007-11-21) |
국제출원번호 |
PCT/JP2008/071254
(2008-11-21)
|
발명자
/ 주소 |
- Ikeda, Yuki
- Ochiai, Yasushi
|
출원인 / 주소 |
- DAINIPPON SUMITOMO PHARMA CO., LTD.
|
대리인 / 주소 |
|
인용정보 |
피인용 횟수 :
0 인용 특허 :
0 |
초록
▼
The invention provides an orally disintegrating tablet that has both adequate tablet hardness and rapid disintegrability in the oral cavity, and that undergoes minor hardness reduction and maintains good oral disintegrability even when preserved under moist conditions. In particular, the invention r
The invention provides an orally disintegrating tablet that has both adequate tablet hardness and rapid disintegrability in the oral cavity, and that undergoes minor hardness reduction and maintains good oral disintegrability even when preserved under moist conditions. In particular, the invention relates to an orally disintegrating tablet containing (a) crystalline cellulose, (b) a calcium hydrogen phosphate compound, (c) a natural starch and (d) a lubricant, wherein the blending ratio to 100 wt % of the disintegrating tablet is (a) 9 to 60 wt %, (b) 16 to 60 wt %, (c) 3 to 40 wt % and (d) 0.01 to 1.8 wt %.
대표청구항
▼
1. An orally disintegrating tablet comprising (a) crystalline cellulose, (b) a calcium hydrogen phosphate compound, (c) a natural starch and (d) a lubricant, wherein the blending ratio to 100 wt % of the disintegrating tablet is (a) 9 to 60 wt %, (b) 30 to 60 wt %, (c) 3 to 40 wt % and (d) 0.01 to
1. An orally disintegrating tablet comprising (a) crystalline cellulose, (b) a calcium hydrogen phosphate compound, (c) a natural starch and (d) a lubricant, wherein the blending ratio to 100 wt % of the disintegrating tablet is (a) 9 to 60 wt %, (b) 30 to 60 wt %, (c) 3 to 40 wt % and (d) 0.01 to 1.8 wt %. 2. The orally disintegrating tablet according to claim 1, wherein the blending ratio of the crystalline cellulose (a) is 9 to 53 wt %, and the blending ratio of the natural starch (c) is 3 to 30 wt %. 3. The orally disintegrating tablet according to claim 1, wherein the tablet further comprises an efficacy ingredient (e) at a blending ratio of 0.01 to 60 wt %. 4. The orally disintegrating tablet according to claim 1, wherein the tablet further comprises one or more additives selected from the group consisting of fillers, binders, sweetening agents, taste correctives/odor correctives, fragrances, fluidizing agents, antistatic agents, coloring agents and coating agents. 5. The orally disintegrating tablet according to claim 3, wherein the tablet consists essentially of crystalline cellulose (a), a calcium hydrogen phosphate compound (b), a natural starch (c), a lubricant (d) and an efficacy ingredient (e). 6. The orally disintegrating tablet according to claim 3, wherein the tablet is obtained by adding a lubricant (d) to a composition obtained by blending crystalline cellulose (a), a calcium hydrogen phosphate compound (b) and a natural starch (c), each of which is in a powder or granular form, and an efficacy ingredient (e), and compression-molding the composition. 7. The orally disintegrating tablet according to claim 1, wherein the tablet is produced by compression molding by direct tableting. 8. The orally disintegrating tablet according to claim 1, wherein the blending ratio of the crystalline cellulose (a) is 20 to 53 wt %. 9. (canceled) 10. The orally disintegrating tablet according to claim 1, wherein the blending ratio of the natural starch (c) is 9 to 30 wt %. 11. The orally disintegrating tablet according to claim 1, wherein the blending ratio of the lubricant (d) is 0.01 to 1.0 wt %. 12. The orally disintegrating tablet according to claim 4, wherein the blending ratio of the additive is 0.01 to 40 wt %. 13. The orally disintegrating tablet according to claim 1, wherein the natural starch (c) is at least one kind selected from the group consisting of corn starch, wheat starch, rice starch and potato starch. 14. The orally disintegrating tablet according to claim 13, wherein the natural starch (c) is corn starch. 15. The orally disintegrating tablet according to claim 1, wherein the lubricant (d) is at least one kind selected from the group consisting of stearic acid, calcium stearate, sodium stearyl fumarate, talc, light anhydrous silicic acid and magnesium stearate. 16. The orally disintegrating tablet according to claim 15, wherein the lubricant (d) is magnesium stearate.
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