Intranasally applicable powdery pharmaceutical composition
US4985242A · kind A · utility
38Cited by
1References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 14, 1987 |
| Grant date | Jan 15, 1991 |
| Priority date | — |
| Expiry date | Dec 14, 2007 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/186
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
An intranasally applicable powdery pharmaceutical composition comprising a polypeptide having a physiological activity, a quaternary ammonium compound, and a lower alkyl ether of cellulose. This powdery pharmaceutical composition has an excellent preservability and chemical stability of the polypeptides and, when the powdery composition is administered to the nasal cavity in the form of a spray, the polypeptides are effectively absorbed through the nasal mucosa.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.