Sealing members, articles using the same and methods of reducing sticktion
US7943242B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 29, 2007 |
| Grant date | May 17, 2011 |
| Priority date | — |
| Expiry date | Sep 11, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31667
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
The present invention provides rubber sealing members having an exterior surface adapted to sealingly engage an inner surface of a chamber of the medical device, the exterior surface of the sealing member having a coating thereon prepared from a curable composition including: (a) a first organopolysiloxane having at least two alkenyl groups; and (b) a second organopolysiloxane having at least two pendant hydrogen groups, the second organopolysiloxane being different from the first organopolysiloxane, wherein at least one of the first organopolysiloxane, the second organopolysiloxane or an optional third organopolysiloxane of the curable composition comprises a fluoro group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.