Method of manufacturing conductive heterocyclic polymers by reacting new polymeric intermediate products with NH.sub.3, a NH.sub.3 producing substance, P.sub.2 S.sub.5 or Lawesson's reagent
US5232630A · kind A · utility
1Cited by
2References
3Claims
0Family size
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Key dates
| Filing date | Apr 17, 1989 |
| Grant date | Aug 3, 1993 |
| Priority date | — |
| Expiry date | Apr 17, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G61/123
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The polymers are prepared by using the new intermediate product which forms a polymeric precursor, and which is converted into the desired heterocyclic polymer by ring closure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.