Conductive polymer composition
US5093036A · kind A · utility
24Cited by
5References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 20, 1988 |
| Grant date | Mar 3, 1992 |
| Priority date | — |
| Expiry date | Sep 20, 2008 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01C7/027
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A polymer thick film ink which exhibits PTC behavior comprising an organic polymer which is crystalline, an active solvent suitable for dissolving the polymer, and carbon black which has a pH of less than 4.0. The ink is particularly useful in producing electrical devices such as heaters and circuit protection devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.