Green fabrication of polytetrafluoroethylene and expanded polytetrafluoroethylene and uses thereof
US11780982B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Apr 25, 2022 |
| Grant date | Oct 10, 2023 |
| Priority date | — |
| Expiry date | Apr 25, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2327/18
- WIPO fieldMedical technology
- WIPO sectorInstruments
Abstract
Green, fast and easy evaporating organic solvent for use as a lubricant in the processing of polytetrafluoroethylene (PTFE) and expanded polytetrafluoroethylene (ePTFE) products and processes of using the solvents to fabricate the products are disclosed herein. The products can be used in the field of bio- and medical applications, such as for use in vascular grafts, cardiovascular and soft tissue patches, facial implants, surgical sutures, and endovascular prosthesis, and for any products known in the aerospace, electronics, fabrics, filtration, industrial and sealant arts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.