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Film coating agent for solid preparation, and solid preparation using same
US8980320B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8980320-B2 |
| Application number | US-201013510050-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 30, 2010 |
| Priority date | Nov 30, 2009 |
| Publication date | Mar 17, 2015 |
| Grant date | Mar 17, 2015 |
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Abstract
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A film coating agent for a solid formulation includes a water-soluble cellulose derivative, swelling clay, a cationic surfactant, and a fatty acid, wherein mass ratio of the swelling clay to the water-soluble cellulose derivative is 2:8 to 8:2, and content of the cationic surfactant is not less than 0.5 equivalents and not more than 3.0 equivalents relative to a cation exchange equivalent of the swelling clay.
First claim
Opening claim text (preview).
The invention claimed is: 1. A film coating agent for a solid formulation, comprising a hydroxypropylmethylcellulose, negatively charged swelling clay, a cationic surfactant, and a fatty acid, wherein mass ratio of said swelling clay to said hydroxypropylmethylcellulose is 2:8 to 8:2, and content of said cationic surfactant is not less than 0.5 equivalents and not more than 1.5 equivalents relative to a cation exchange equivalent of said swelling clay and content of said fatty acid…
Assignees
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Classifications
- A61K9/2813Primary
Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
Human Necessities · mapped topic
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- What does patent US8980320B2 cover?
- A film coating agent for a solid formulation includes a water-soluble cellulose derivative, swelling clay, a cationic surfactant, and a fatty acid, wherein mass ratio of the swelling clay to the water-soluble cellulose derivative is 2:8 to 8:2, and content of the cationic surfactant is not less than 0.5 equivalents and not more than 3.0 equivalents relative to a cation exchange equivalent of th…
- Who is the assignee on this patent?
- Yoshii Ryoji, Hayashi Yuki, Fujisaki Yuki, and 1 more
- What technology area does this patent fall under?
- Primary CPC classification A61K9/2813. Mapped technology areas include Human Necessities.
- When was this patent published?
- Publication date Tue Mar 17 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).