Polyaromatics
US4798742A · kind A · utility
2Cited by
1References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 20, 1987 |
| Grant date | Jan 17, 1989 |
| Priority date | — |
| Expiry date | Apr 20, 2007 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F8/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for the preparation of a polyphenylene layer which comprises the steps of treating a copolycyclohexa-3,4-diene under first conditions to aromatize a portion of the aromatic rings and then under second conditions to aromatize the residual cyclohexadiene rings from the first treatment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.