Process for producing carbon fibers
US4303631A · kind A · utility
35Cited by
7References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 26, 1980 |
| Grant date | Dec 1, 1981 |
| Priority date | — |
| Expiry date | Jun 26, 2000 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10C3/002
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A process for producing a carbon fiber features converting a precursor material under atmospheric pressure with heat but without sparging to a predetermined mesophase containing pitch, and thereafter continuing the heat treatment with sparging.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.