Patent US2965931A successfully refreshed from Google Patents.
US2965931A
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Improved method for pressure baking of carbon articles
Assignee: Union Carbide Corp
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Filing: 1957-10-24
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Granted: 1960-12-27
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Expires: 1977-10-24
Abstract
No abstract record available.
Inventors
- 👤 Lorne B Alden
- 👤 Frank P Holloway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:10
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/52; C04B35/528; C04B35/532; C01; C01B; C01B32/00; C01B32/05; C10; C10L; C10L5/00; C10L5/02; C10L5/06; C10L5/10; C10L5/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
121 words
IN A PROCESS FOR MAKING A FORMED CARBON ARTICLE FROM A MIX CONSISTING PRIMARILY OF COMMINUTED CARBONACEOUS PARTICLES AND FUSIBLE CARBONACEOUS BINDER, SAID BINDER TENDING TO EVOLVE SUBSTANCES WHICH CONDENSE ON THE APPARATUS USED IN SAID PROCESS, PLACING SAID MIX IN A MOLD, SUBJECTING SAID MIX WITHIN SAID MOL TO A HIGH MECHANICAL PRESSURE TO COMPRESS THE SAME WHILE PASSING AN ELECTRICAL CURRENT THROUGH SAID MIX TO HEAT THE SAME TO CARBONIZATION, THE IMPROVEMENT WHICH COMPRISES PROVIDING IN SAID MIX IN AN AMOUNT RANGING FROM 3 PERCENT TO 20 PERCENT BY WEIGHT OF SAID BINDER MATERIAL, SAID SULFUR REACTING WITH THE SUBSTANCES EVOLVED FROM SAID BINDER TO FORM NON-CONDENSING MATERIALS WHEREBY UNWANTED ACCUMULATION OF CONDENSIBLE SUBSTANCES ON SAID APPARATUS IS AVOIDED.
Claim 2
Dependent Claim
121 words
IN A PROCESS FOR MAKING A FORMED CARBON ARTICLE FROM A MIX CONSISTING PRIMARILY OF COMMINUTED CARBONACEOUS PARTICLES AND FUSIBLE CARBONACEOUS BINDER, SAID BINDER TENDING TO EVOLVE SUBSTANCES WHICH CONDENSE ON THE APPARATUS USED IN SAID PROCESS, PLACING SAID MIX IN A MOLD, SUBJECTING SAID MIX WITHIN SAID MOL TO A HIGH MECHANICAL PRESSURE TO COMPRESS THE SAME WHILE PASSING AN ELECTRICAL CURRENT THROUGH SAID MIX TO HEAT THE SAME TO CARBONIZATION, THE IMPROVEMENT WHICH COMPRISES PROVIDING IN SAID MIX IN AN AMOUNT RANGING FROM 3 PERCENT TO 20 PERCENT BY WEIGHT OF SAID BINDER MATERIAL, SAID SULFUR REACTING WITH THE SUBSTANCES EVOLVED FROM SAID BINDER TO FORM NON-CONDENSING MATERIALS WHEREBY UNWANTED ACCUMULATION OF CONDENSIBLE SUBSTANCES ON SAID APPARATUS IS AVOIDED.
References Cited (Backward Citations)
US1017483A
Cited
US1390823A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-27 | 1964-06-27 | 1964-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-27 | 1968-06-27 | 1968-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-27 | 1972-06-27 | 1972-12-27 | $7700.00 | Window Closed / Lapsed |