Polybenzimidazole solutions
US5066697A · kind A · utility
5Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 8, 1990 |
| Grant date | Nov 19, 1991 |
| Priority date | — |
| Expiry date | Jun 8, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/098
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A solution polybenzimidazole which is resistant to phase separation contains: a polybenzimidazole; a solvent capable of dissolving the polybenzimidazole; and a minor amount of ammonium acetate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.