US2564736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of producing carbon black
Assignee: Godfrey L Cabot Inc
•
Filing: 1947-03-08
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Granted: 1951-08-21
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Expires: 1967-03-08
Abstract
No abstract record available.
Inventors
- 👤 Charles A Stokes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:46
CPC Classifications
C; C01; C01B; C01B3/00; C01B3/02; C01B3/32; C01B3/34; C01B3/36; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
THE CONTINUOUS PROCESS OF PRODUCING CARBON BLACK AND SYNTHESIS GAS FOR LIQUID FUEL, WHICH IS CHARACTERIZED BY THE STEPS OF CONTINUOUSLY DELIVERING TO AN UNOBSTRUCTED COMBUSTION SPACE NATURAL GAS IN ROWS OF SMALL JETS, ENVELOPING EACH ROW OF JETS IN A STEAM OF NITROGEN-FREE RECYCLED GAS, ENVELOPING EACH CURRENT OF RECYCLED GAS IN A STEAM OF SUBSTANTIALLY PURE OXYGEN, AND MAINTAINING REACTION TEMPERATURE BY PARTIAL COMBUSTION OF THE OXYGEN WITH THE RECYCLED GAS AND THE NATURAL GAS THEREBY PRODUCING CARBON BLACK AND THE RECYCLE GAS USED IN THE PROCESS.
Claim 2
Dependent Claim
89 words
THE CONTINUOUS PROCESS OF PRODUCING CARBON BLACK AND SYNTHESIS GAS FOR LIQUID FUEL, WHICH IS CHARACTERIZED BY THE STEPS OF CONTINUOUSLY DELIVERING TO AN UNOBSTRUCTED COMBUSTION SPACE NATURAL GAS IN ROWS OF SMALL JETS, ENVELOPING EACH ROW OF JETS IN A STEAM OF NITROGEN-FREE RECYCLED GAS, ENVELOPING EACH CURRENT OF RECYCLED GAS IN A STEAM OF SUBSTANTIALLY PURE OXYGEN, AND MAINTAINING REACTION TEMPERATURE BY PARTIAL COMBUSTION OF THE OXYGEN WITH THE RECYCLED GAS AND THE NATURAL GAS THEREBY PRODUCING CARBON BLACK AND THE RECYCLE GAS USED IN THE PROCESS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-20 | 1955-02-19 | 1955-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-20 | 1959-02-19 | 1959-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-20 | 1963-02-19 | 1963-08-21 | $7700.00 | Window Closed / Lapsed |