Method for producing polytetrafluoroethylene powder
US11518826B2 · kind B2 · utility
2Cited by
4References
2Claims
0Family size
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Key dates
| Filing date | Dec 25, 2018 |
| Grant date | Dec 6, 2022 |
| Priority date | — |
| Expiry date | Apr 24, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for producing a polytetrafluoroethylene powder, which includes applying an ultrasonic wave to a polytetrafluoroethylene aqueous dispersion containing polytetrafluoroethylene particles to coagulate the polytetrafluoroethylene particles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.