Polytetrafluoroethylene resins that can be processed by shaping, shaped products thereof, and processes for producing the resins and shaped products
US9266984B2 · kind B2 · utility
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Key dates
| Filing date | Sep 30, 2009 |
| Grant date | Feb 23, 2016 |
| Priority date | — |
| Expiry date | Apr 29, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/1345
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A polytetrafluoroethylene resin comprising polytetrafluoroethylene having a two-dimensional branched structure in the molecule is produced by exposing polytetrafluoroethylene to an ionizing radiation at a dose of no more than 10 kGy.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.