Fluid wound dressing comprising partially cured polyurethane
US8481801B2 · kind B2 · utility
11Cited by
11References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 22, 2009 |
| Grant date | Jul 9, 2013 |
| Priority date | — |
| Expiry date | Jul 18, 2030 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA61L27/18
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A wound dressing composition comprising a partially cured polyurethane fluid. The composition can be injected directly into a wound, where it cures to form a wound filling dressing. Also provided is a wound dressing comprising such a composition. Also provided is a kit for the preparation of such wound dressings, the kit comprising (a) a polyurethane prepolymer; and (b) a curing agent for the polyurethane prepolymer. Preferably, the polyurethane components comprise reaction products of a diisocyanate with castor oil or a related ester of ricinoleic acid or its derivatives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.