Powdery preparation for transmucosal administration containing a polymeric form of drug and exhibiting improved storage stability
US7282219B2 · kind B2 · utility
28Cited by
10References
11Claims
0Family size
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Key dates
| Filing date | Mar 28, 2001 |
| Grant date | Oct 16, 2007 |
| Priority date | — |
| Expiry date | Jan 19, 2023 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/0043
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A powdery preparation for transmucosal administration comprising a medicine of high molecular weight, a cationic polymer and, as needed, a viscous polymer, further comprising an effective amount of a basic amino acid. The powdery preparation for transmucosal administration has an improved storage stability for the medicine of high molecular weight while maintaining an improved mucosal absorption of the medicine.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.