Intravaginal ring comprising polyurethane composition for drug delivery
US9603932B2 · kind B2 · utility
0Cited by
2References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 12, 2016 |
| Grant date | Mar 28, 2017 |
| Priority date | — |
| Expiry date | Jan 12, 2036 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/73
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
Intravaginal drug delivery device comprising at least one pharmaceutically active substance, and a polyurethane copolymer, wherein the copolymer has the structure according to formula (I):Also, method comprising administering one or more pharmaceutically active substances to a patient in need thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.