US3276995A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the removal of dispersed carbon particles from an aqueous media
Assignee: EIDP Inc
•
Filing: 1963-05-29
•
Granted: 1966-10-04
•
Expires: 1983-05-29
Abstract
No abstract record available.
Inventors
- 👤 Jr Graham Bell Mcdonald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:28
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/26; B; B01; B01D; B01D12/00; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/56; C09C1/58; C01; C01P; C01P2004/00; C01P2004/50; C01P2004/60; C01P2004/62
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PROCESS FOR REMOVING FINELY DIVIDED CARBON PARTICLES FROM AN AQUEOUS DISPERSION THEREOF, COMPRISING MAINTAINING SAID DISPERSION AS A FLOWING STREAM, INJECTING FINE DROPLETS OF OIL INTO SAID STREAM ACROSS SUBSTANTIALLY THE ENTIRE CROSS-SECTION THEREOF, SAID FINE DRIPLETS ISSUING FROM AN ORIGIN IN CONTACT WITH SAID FLOWING STREAM, TO CONTACT SAID CARBON PARTICLES WITH SAID FINE DRIPLETS TO OBTAIN AGGLOMERATION THEREBETWEEN, DISCHARGING SAID STREAM INTO A RELATIVELY LARGE AND SLOW MOVING AQUEOUS MEDIUM THEREBY ALLOWING THE FINE DROPLETS OF OIL AGGLOMERATED WITH SAID CARBON PARTICLES TO COALECE INTO A LAYER OF OIL, AND SEPARATING SAID LAYER OF OIL AND AQUEOUS MEDIUM ONE FROM THE OTHER.
Claim 2
Dependent Claim
105 words
A PROCESS FOR REMOVING FINELY DIVIDED CARBON PARTICLES FROM AN AQUEOUS DISPERSION THEREOF, COMPRISING MAINTAINING SAID DISPERSION AS A FLOWING STREAM, INJECTING FINE DROPLETS OF OIL INTO SAID STREAM ACROSS SUBSTANTIALLY THE ENTIRE CROSS-SECTION THEREOF, SAID FINE DRIPLETS ISSUING FROM AN ORIGIN IN CONTACT WITH SAID FLOWING STREAM, TO CONTACT SAID CARBON PARTICLES WITH SAID FINE DRIPLETS TO OBTAIN AGGLOMERATION THEREBETWEEN, DISCHARGING SAID STREAM INTO A RELATIVELY LARGE AND SLOW MOVING AQUEOUS MEDIUM THEREBY ALLOWING THE FINE DROPLETS OF OIL AGGLOMERATED WITH SAID CARBON PARTICLES TO COALECE INTO A LAYER OF OIL, AND SEPARATING SAID LAYER OF OIL AND AQUEOUS MEDIUM ONE FROM THE OTHER.
References Cited (Backward Citations)
US2799645A
Cited
US3148140A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |