Body cavity drug delivery with thermo-irreversible polyoxyalkylene and ionic polysaccharide gels
US6346272B1 · kind B1 · utility
17Cited by
47References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 1997 |
| Grant date | Feb 12, 2002 |
| Priority date | — |
| Expiry date | Aug 7, 2017 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61K47/36
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Balanced pH, thermo-irreversible gels are ideal vehicles for drug delivery to a body cavity of a mammal. The gels contain a mixture of a polyoxyalkylene block copolymer or polyether together with an ionic polysaccharide which is thermo-irreversibly gelled in the presence of a counter-ion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.