Pitch based graphite fabrics and needled punched felts for fuel cell gas diffusion layer substrates and high thermal conductivity reinforced composites
US6783851B2 · kind B2 · utility
2Cited by
15References
34Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 7, 2002 |
| Grant date | Aug 31, 2004 |
| Priority date | — |
| Expiry date | Oct 16, 2022 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/3301
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
A pitch precursor yarn, which is stretch broken and formed into a fabric or felt which is heat treated into graphitic fiber media for fuel cell gas diffusion layer substrates and high thermal conductivity reinforced composites.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.