Mesophase pitch having ellipspidal molecules and method for making the pitch
US4457828A · kind A · utility
15Cited by
9References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 30, 1982 |
| Grant date | Jul 3, 1984 |
| Priority date | — |
| Expiry date | Mar 30, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC10C3/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A mesophase pitch having ellipsoidal molecules is produced by the polymerization reaction of an aromatic hydrocarbon containing at least two condensed rings in which the coupling polymerization constitutes at least 60% of the polymerization reactions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.