Method of making a polyurethane-biopolymer composite
US6071447A · kind A · utility
19Cited by
41References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 8, 1997 |
| Grant date | Jun 6, 2000 |
| Priority date | — |
| Expiry date | Oct 8, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2101/00
- WIPO fieldPharmaceuticals
- WIPO sectorChemistry
Abstract
A method is provided for preparing a drug delivery material and device comprising cross-linking a biological polymer with a cross-linking agent and loading the cross-linked biopolymer with a bioactive agent. Preferred embodiments are disclosed wherein the drug delivery material is used in a catheter securing, drug delivery device, in a wound dressing, and in a wound dressing for percutaneous catheters.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.