Processes for preparation of sulfonated polyaniline compositions and uses thereof
US5093439A · kind A · utility
69Cited by
15References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 25, 1990 |
| Grant date | Mar 3, 1992 |
| Priority date | — |
| Expiry date | May 25, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31949
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Sulfonic acid-substituted polyaniline compositions and their derivatives are produced by reacting a polyaniline polymer with SO.sub.3 gas. The sulfonated polyaniline compositions have faster electronic and optical responses to electrochemical potentials and improved environmental stability solubility than the parent polyaniline polymer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.