Use of reducing agents in polybenzazole synthesis
US5142021A · kind A · utility
3Cited by
6References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 19, 1990 |
| Grant date | Aug 25, 1992 |
| Priority date | — |
| Expiry date | Oct 19, 2010 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G75/32
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polybenzazole polymers are conveniently synthesized in the presence of a reducing agent, such as tin (II) chloride.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.