US3346444A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrically conductive polymers and process of producing the same
Assignee: General Electric Co
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Filing: 1964-08-24
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Granted: 1967-10-10
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Expires: 1984-08-24
Abstract
No abstract record available.
Inventors
- 👤 John H Lupinski
- 👤 Kenneth D Kopple
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:35
CPC Classifications
H; H01; H01B; H01B1/00; H01B1/06; H01B1/12; H01B1/121; C; C08; C08F; C08F8/00; C08F8/30; C08F8/44; C08G; C08G65/00; C08G65/34; C08G65/48; C08G65/485; C08G73/00; C08G73/02; C08K; C08K5/00; C08K5/16; C08K5/29; C08K5/315; C08L; C08L39/00; C08L39/04; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
A COMPOSITION COMPRISING (1) A SALT WHOSE CATION MOIETY IS A SOLUBLE POLYMER HAVING QUATERNARY NITROGEN CATIONIC GROUPS AND WHOSE ANION MOIETY IS THE ANION OF 7,7,8,8-TETRACYANOQUINODIMETHAN, AND (2) A SUFFICIENT QUANTITY OF 7,7,8,8-TETRACYANOQUINODIMETHAN, TO GIVE THE COMPOSITION A CONDUCTIVITY GREATER THAN 10**10 MHO PER CENTIMETER.
Claim 2
Dependent Claim
46 words
A COMPOSITION COMPRISING (1) A SALT WHOSE CATION MOIETY IS A SOLUBLE POLYMER HAVING QUATERNARY NITROGEN CATIONIC GROUPS AND WHOSE ANION MOIETY IS THE ANION OF 7,7,8,8-TETRACYANOQUINODIMETHAN, AND (2) A SUFFICIENT QUANTITY OF 7,7,8,8-TETRACYANOQUINODIMETHAN, TO GIVE THE COMPOSITION A CONDUCTIVITY GREATER THAN 10**10 MHO PER CENTIMETER.
References Cited (Backward Citations)
US2774747A
Cited
US3140342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |