US3046216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Impregnated carbonaceous electrode and method of making the same
Assignee: Union Carbide Corp
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Filing: 1959-04-27
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Granted: 1962-07-24
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Expires: 1979-04-27
Abstract
No abstract record available.
Inventors
- 👤 Charles S Lowe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:54
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/009; C04B41/45; C04B41/46; C04B41/48; C04B41/4811; C04B41/80; C04B41/81; C04B41/82; C04B41/83; C25; C25B; C25B11/00; C25B11/04; C25B11/042; C25B11/043; C25B11/044
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
49 words
A CARBONACEOUS ELECTRODE BEING RESISTANT TO CHEMICAL ATTACK IN THE ELECTROLYSIS OF BRINE, SAID ELECTRODE HAVING WITHIN ITS PORES A RESINIFIED AND CURED FURFURALDEHYDEKETONE CONDENSATION PRODUCT COMPOSED OF A MIXTURE OF HYDROGENATED MONO- AND DI-FURFURLY KETONES IN A PROPORTION OF ABOUT 5.5% TO 16.8% BY WEIGHT OF SAID ELECTRODE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |