Making impermeable a part for a motor vehicle
US6835429B2 · kind B2 · utility
0Cited by
14References
19Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 29, 2001 |
| Grant date | Dec 28, 2004 |
| Priority date | — |
| Expiry date | Mar 29, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31935
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A part for a motor vehicle intended to come into contact with hydrocarbons has a polytetrafluoroethylene coating (3) adapted to make the part (1) impermeable. Use of a polytetrafluoroethylene coating for making impermeable parts of a motor vehicle on the fuel system, in order to limit the emission of hydrocarbons through these parts.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.