US3335548A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the recovering and recycling of carbon black fines
Assignee: Goodrich Gulf Chemicals Inc
•
Filing: 1964-12-30
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Granted: 1967-08-15
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Expires: 1984-12-30
Abstract
No abstract record available.
Inventors
- 👤 Harmon Dale Lynn
- 👤 Scalise Robert Lee
- 👤 Kuntz Charles Duffield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:06
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C09C1/58; C09C1/487; C01; C01P; C01P2004/00; C01P2004/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A NEW PROCESS FOR SEPARATING CARBON BLACK FINES FROM THE GASEOUS EFFLUENT, INCLUDING STEAM, NON-CONDENSABLE GASES AND ENTRAPPED CARBON BLACK FINES, OF A CARBON BLACK SLURRY FUNNEL COMPRISING THE STEPS OF SUBSTANTIALLY COMPLETELY WETTING AND ADMIXING SAID CARBON BLACK FINES AND GASEOUS EFFLUENT, CONDENSING SAID STEAM WITH WATER IN A WATER JET, CONDUCTING THE RESULTING MIXTURE TO A SEPARATING TANK, SEPARATING THE GASEOUS COMPONENTS AND REMAINING UNWETTED FINES FROM THE LIQUID COMPONENTS AND WETTED FINES, CONDUCTING THE GASEOUS COMPONENTS AND REMAINING UNWETTED FINES THROUGH A PACKED COLUMN, WASHING SAID COMPONENTS AND FINES IN SAID COLUMN WITH A COUNTER CURRENT WATER SPRAY, RETURNING THE WATER SPRAY AND CARBON BLACK FINES RECOVERED THEREIN TO THE SEPARATING TANK, WITHDRAWING THE CARBON BLACK FINES FROM THE SEPARATING TANK AS A WATER-CARBON BLACK SUSPENSION, AND RECYCLING SUCH
Claim 2
Dependent Claim
132 words
A NEW PROCESS FOR SEPARATING CARBON BLACK FINES FROM THE GASEOUS EFFLUENT, INCLUDING STEAM, NON-CONDENSABLE GASES AND ENTRAPPED CARBON BLACK FINES, OF A CARBON BLACK SLURRY FUNNEL COMPRISING THE STEPS OF SUBSTANTIALLY COMPLETELY WETTING AND ADMIXING SAID CARBON BLACK FINES AND GASEOUS EFFLUENT, CONDENSING SAID STEAM WITH WATER IN A WATER JET, CONDUCTING THE RESULTING MIXTURE TO A SEPARATING TANK, SEPARATING THE GASEOUS COMPONENTS AND REMAINING UNWETTED FINES FROM THE LIQUID COMPONENTS AND WETTED FINES, CONDUCTING THE GASEOUS COMPONENTS AND REMAINING UNWETTED FINES THROUGH A PACKED COLUMN, WASHING SAID COMPONENTS AND FINES IN SAID COLUMN WITH A COUNTER CURRENT WATER SPRAY, RETURNING THE WATER SPRAY AND CARBON BLACK FINES RECOVERED THEREIN TO THE SEPARATING TANK, WITHDRAWING THE CARBON BLACK FINES FROM THE SEPARATING TANK AS A WATER-CARBON BLACK SUSPENSION, AND RECYCLING SUCH
References Cited (Backward Citations)
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US2585659A
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US2523441A
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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) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |