US3835102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroconductive high polymer composition
Assignee: NEC Corp
•
Filing: 1972-08-02
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Granted: 1974-09-10
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Expires: 1992-08-02
Abstract
Abstract A HIGH POLYMER COMPOSITION COMPRISING A SALT CONSTITUTED FROM AN INTEGRAL TYPE OF POLYCATIONIC POLYMER CONTAINING IN ITS PRINCIPAL REPEATING UNIT QUATERNIZED NITROGEN ATOMS AND AROMATIC GROUPS, AN ANION RADICAL OF A TETRACYANO COMPOUND AND A NEUTRAL TETRACYANO COMPOUND IN APPROPRIATE AMOUNTS SUCH THAT THE ELECTROCONDUCTIVITY IS GREATER THAN 10**5 MHO/CM. FOR PRACTIAL USES, IT HAS VERY EXCELLENT CHEMICAL, PHYSICAL AND ELECTRICAL PROPERTIES.
Inventors
- 👤 K Mizoguchi
- 👤 I Shinohara
- 👤 E Tsuchida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:06
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/121
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-09 | 1978-03-11 | 1978-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-09 | 1982-03-11 | 1982-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-09 | 1986-03-11 | 1986-09-10 | $7700.00 | Window Closed / Lapsed |