Medical device coated with interpenetrating network of hydrogel polymers
US6120904A · kind A · utility
531Cited by
26References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 1999 |
| Grant date | Sep 19, 2000 |
| Priority date | — |
| Expiry date | May 24, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31605
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A medical device comprising an organic polymer substrate material having a coating thereon, the coating comprising an interpenetrating network of two different hydrogel polymers, one of which is a polyurethane/polyurea hydrogel polymer, the polyurethane/polyurea hydrogel polymer being linked to the substrate material by covalent urea linkages.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.