Polytetrafluoroethylene powder
US9902787B2 · kind B2 · utility
0Cited by
3References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2015 |
| Grant date | Feb 27, 2018 |
| Priority date | — |
| Expiry date | Jun 4, 2035 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10N2060/08
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides a polytetrafluoroethylene powder having high dispersibility in lubricants. The polytetrafluoroethylene powder includes polytetrafluoroethylene containing a tetrafluoroethylene unit alone or a tetrafluoroethylene unit and a modifying monomer unit based on a modifying monomer copolymerizable with the tetrafluoroethylene, and has a specific surface area of 32 m2/g or larger.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.