Slow-releasing medical preparation to be administered by adhering to a wet mucous surface
US4292299A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 7, 1980 |
| Grant date | Sep 29, 1981 |
| Priority date | — |
| Expiry date | Jul 7, 2000 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/70
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
PCT No. PCT/JP79/00284 Sec. 371 Date Nov. 6, 1979 Sec. 102(e) Date July 7, 1980 PCT Filed July 7, 1980 PCT Pub. No. WO80/00916 PCT Pub. Date May 15, 1980 A medical preparation composed of an adhesive layer comprising polymers which have adhesiveness to a wet mucous surface and swellability upon moistening and a nonadhesive layer which has no adhesiveness to a wet mucous surface and is water soluble or water disintegrable, with at least one of the layers made to contain a medicament. The medical preparation is administered by adhering to a wet mucous surface of the mucous membrane and skin of men or animals, whereby exhibiting a property to release the medicament slowly extending over a long period of time to cure or prevent general or local diseases.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.