Patent US3148140A successfully refreshed from Google Patents.
US3148140A
Expired / Lapsed
US
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Process for removing carbon particles from water
Assignee: Dresser Industries Inc
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Filing: 1962-10-10
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Granted: 1964-09-08
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Expires: 1982-10-10
Abstract
No abstract record available.
Inventors
- 👤 Herbert R Kaiser
- 👤 Ronnie B Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:33
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/487; C01; C01P; C01P2004/00; C01P2004/50; Y; Y10; Y10S; Y10S494/00; Y10S494/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
IN A PROCESS FOR SEPARATING DISPESED CARBON PARTICLES FROM WATER CONTAMINATED WITH FROM .01 TO 10% CARBON BY WEIGHT, WHEREIN THERE IS INTRODUCED INTO SAID CONTAMINATED WATER AT LEAST 2 PARTS BY WEIGHT OF A WATERIMMISCIBLE ORGANIC SOLVENT PER PART OF SAID CARBON PARTICLES, SAID SOLVENT HAVING A LESSER DENSITY THAN WATER AND WETTING SAID CARBON PARTICLES PERFERENTIALLY TO WATER, THE PROCESS IMPROVEMENT FOR SUBSTANTIALLY COMPLETLY FREEING SAID WATER OF CARBON CONTAMINATION, COMPRISING MIXING SAID SOLVENT WITH SAID CONTAIMINATED WATER AND INTIMATELY CONTACTING SAID SOLVENT WITH SAID CARBON PARTICLES UNTIL THE RESULTING MIXTURE IS SUBSTANTIALLY HOMOGENOUS, PASSING THE HOMOGENOUS MIXTURE THUS OBTAINED INTO A RADIALLY-EXTENDING ENCLOSED SPACE BEING ROTATED ABOUT AN AXIS TO PROVIDE A CENTRIFUGAL FORCE FIELD, SAID MIXTURE BEING INTRODUCED INTO SAID SPACE AT A RADIALLY INTERMEDIATE POSITION WITH RESPECT TO THE INNER AND OUTER BOUNDARIES OF SAID SPACE, REMOVING SAID CARBON PARTICLS AS A FLUID PASTE AT A POSITION RADIALLY INWARD FROM SAID MIXTURE INTRODUCTION POSITION, AND REMOVING WATER CONTAINING LESS THAN 250 PARTS PER MILLION OF CARBON PARTICLES FROM POSITION ADJACENT THE OUTER BOUNDARY OF SAID SPACE.
Claim 2
Dependent Claim
181 words
IN A PROCESS FOR SEPARATING DISPESED CARBON PARTICLES FROM WATER CONTAMINATED WITH FROM .01 TO 10% CARBON BY WEIGHT, WHEREIN THERE IS INTRODUCED INTO SAID CONTAMINATED WATER AT LEAST 2 PARTS BY WEIGHT OF A WATERIMMISCIBLE ORGANIC SOLVENT PER PART OF SAID CARBON PARTICLES, SAID SOLVENT HAVING A LESSER DENSITY THAN WATER AND WETTING SAID CARBON PARTICLES PERFERENTIALLY TO WATER, THE PROCESS IMPROVEMENT FOR SUBSTANTIALLY COMPLETLY FREEING SAID WATER OF CARBON CONTAMINATION, COMPRISING MIXING SAID SOLVENT WITH SAID CONTAIMINATED WATER AND INTIMATELY CONTACTING SAID SOLVENT WITH SAID CARBON PARTICLES UNTIL THE RESULTING MIXTURE IS SUBSTANTIALLY HOMOGENOUS, PASSING THE HOMOGENOUS MIXTURE THUS OBTAINED INTO A RADIALLY-EXTENDING ENCLOSED SPACE BEING ROTATED ABOUT AN AXIS TO PROVIDE A CENTRIFUGAL FORCE FIELD, SAID MIXTURE BEING INTRODUCED INTO SAID SPACE AT A RADIALLY INTERMEDIATE POSITION WITH RESPECT TO THE INNER AND OUTER BOUNDARIES OF SAID SPACE, REMOVING SAID CARBON PARTICLS AS A FLUID PASTE AT A POSITION RADIALLY INWARD FROM SAID MIXTURE INTRODUCTION POSITION, AND REMOVING WATER CONTAINING LESS THAN 250 PARTS PER MILLION OF CARBON PARTICLES FROM POSITION ADJACENT THE OUTER BOUNDARY OF SAID SPACE.
References Cited (Backward Citations)
US2992906A
Cited
US3027390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |