Aromatic polymer
US5075412A · kind A · utility
1Cited by
1References
8Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 12, 1989 |
| Grant date | Dec 24, 1991 |
| Priority date | — |
| Expiry date | Dec 12, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G2650/60
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Aromatic polymers comprise divalent aromatic units connected by ether and/or thioether linkages. At least one of such units carries at least one halogen radical linked to a nuclear carbon by a halogen-carbon bond or a functionalized derivative thereof linked to a nuclear carbon atom by a carbon-carbon bond.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.