US3266873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbon black pelleting by controlling power to the pelletizer motor
Assignee: Phillips Petroleum Co
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Filing: 1963-04-01
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Granted: 1966-08-16
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Expires: 1983-04-01
Abstract
No abstract record available.
Inventors
- 👤 Carl E Alleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:03
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C09C1/58; C01; C01P; C01P2006/00; C01P2006/10; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
IN THE PROCESS OF WET PELLETING CARBON BLACK COMPRISING FEEDING SAID BLACK AND AQUEOUS LIQUD AT FEED RATES TO PROVIDE A LIQUID CONCENTRATION IN THE RANGE OF ABOUT 42 TO 58 WEIGHT PERCENT OF THE FEED SUITABLE FOR FORMING GOOD PELLETS TO A ROTATABLE PELLETIZER-MIXER ROTATING AT A SPEED WHICH FORMS WET PELLETS, THE IMPROVEMENT COMPRISING SENSING THE POWER (AS A STANDARD) REQUIRED TO ROTATE SAID PELLETIZER-MIXER UNDER GOOD PELLETING CONDITIONS AND REGULATING THE BLACK AND LIQUID FEED RATES SO AS TO MAINTAIN SAID POWER RELATIVELY CONSTANT BY INCREASING THE LIQUID CONCENTRATION IN THE BLACK IN SAID
Claim 2
Dependent Claim
97 words
IN THE PROCESS OF WET PELLETING CARBON BLACK COMPRISING FEEDING SAID BLACK AND AQUEOUS LIQUD AT FEED RATES TO PROVIDE A LIQUID CONCENTRATION IN THE RANGE OF ABOUT 42 TO 58 WEIGHT PERCENT OF THE FEED SUITABLE FOR FORMING GOOD PELLETS TO A ROTATABLE PELLETIZER-MIXER ROTATING AT A SPEED WHICH FORMS WET PELLETS, THE IMPROVEMENT COMPRISING SENSING THE POWER (AS A STANDARD) REQUIRED TO ROTATE SAID PELLETIZER-MIXER UNDER GOOD PELLETING CONDITIONS AND REGULATING THE BLACK AND LIQUID FEED RATES SO AS TO MAINTAIN SAID POWER RELATIVELY CONSTANT BY INCREASING THE LIQUID CONCENTRATION IN THE BLACK IN SAID
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) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |