Coating composition for a urinary catheter
US8133580B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 11, 2006 |
| Grant date | Mar 13, 2012 |
| Priority date | — |
| Expiry date | Jan 19, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31533
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to an article comprising a coating, which coating comprises at least two layers, of which the inner layer is a primer layer, comprising a supporting polymer network which is composed of a supporting polymer selected from the group consisting of polyethers and polythioethers, including copolymers thereof, the supporting network optionally comprising a functional non-ionic hydrophilic polymer entangled in the supporting polymer network; and the outer layer is a functional layer comprising a functional non-ionic hydrophilic polymer and a polyelectrolyte.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.