US3828008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electroconductive high polymer composition
Assignee: NEC Corp
•
Filing: 1972-07-20
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Granted: 1974-08-06
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Expires: 1992-07-20
Abstract
Abstract A HIGH POLYMER COMPOSITION COMPRISING A SALT CONSTITUTED FROM AN INTEGRAL TYPE OF POLYCATION POLYMER CONTAINING, IN ITS PRINCIPAL REPEATING UNIT, A QUATERNIzED NITROGEN AND A HETEROCYCLIC RING, AN ANION RADICAL OF A TETRACYANO COMPOUND AND A NEUTRAL TETRACYANO COMPOUND, IN AN APPROPRIATE AMOUNT SUCH THAT THE ELECTROCONDUCTIVITY IS GREATER THAN 10**-7 $ CM.-1 IS PREPARED, AND IS FOUND TO POSSESS 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
2026-10-27 09:26
CPC Classifications
C; C08; C08G; C08G73/00; C08G73/02; C08G73/0206; C08G73/0213; C08G73/0226; 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) | 1977-08-05 | 1978-02-04 | 1978-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-05 | 1982-02-04 | 1982-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-05 | 1986-02-04 | 1986-08-06 | $7700.00 | Window Closed / Lapsed |