Method of making an expanded polytetrafluoroethylene structure
US7226558B2 · kind B2 · utility
124Cited by
32References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 5, 2004 |
| Grant date | Jun 5, 2007 |
| Priority date | — |
| Expiry date | Oct 5, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S623/901
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A high density microwall ePTFE structure and a method for making, involving the manipulation of a standard extruded ePTFE graft. The final product has the desired characteristics of high density, reduced wall-thickness, above-average radial strength and enhanced suture retention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.