Amorphous thermoplastic aromatic polysulphone
US4009149A · kind A · utility
8Cited by
2References
1Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 17, 1973 |
| Grant date | Feb 22, 1977 |
| Priority date | — |
| Expiry date | Jan 17, 1993 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G75/23
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A novel amorphous thermoplastic aromatic polysulphone is provided consisting of repeating units having the formula ##STR1##
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.