Adherent N,O-Carboxymethylchitosan drug delivery devices for moist tissue and methods of their use
US6809085B1 · kind B1 · utility
61Cited by
20References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 6, 2000 |
| Grant date | Oct 26, 2004 |
| Priority date | — |
| Expiry date | Nov 25, 2021 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC12N2533/72
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
The present invention relates to drug delivery devices for moist tissue, in particular mucosal tissue and tissue in the serous cavities, as well as a method of its use. The devices, which contain NOCC, are adherent to the mucosal tissue, allowing localized drug delivery. The devices are particularly useful in vaginal, buccal and ocular devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.