Bioadhesive compositions and methods of treatment therewith
US4983392A · kind A · utility
Assignees
Inventor
Key dates
| Filing date | Dec 20, 1988 |
| Grant date | Jan 8, 1991 |
| Priority date | — |
| Expiry date | Dec 20, 2008 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K9/7007
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A controlled release treatment composition and method of use are disclosed. The composition includes a bioadhesive and an effective amount of a treating agent. The bioadhesive is a water-swellable, but water-insoluble, fibrous, cross-linked carboxy-functional polymer containing (a) a plurality of repeating units of which at least about 80 percent contain at least one carboxyl functionality, and (b) about 0.05 to about 1.5 percent cross-linking agent substantially free from polyalkenyl polyether.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.