US2698303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating emulsions
Assignee: Baker Petrolite LLC
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Filing: 1952-02-18
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Granted: 1954-12-28
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Expires: 1972-02-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles M Blair
- 👤 Jr Sears Lehmann
- 👤 Gilbert J Samuelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:27
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/04; B; B01; B01D; B01D17/00; B01D17/02; B01D17/04; B01D17/041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A PROCESS FOR TREATING A DISPERSION COMPRISING AN EXTERNAL PHASE OF OIL AND AN INTERNAL PHASE PRESENT AS DROPLETS DISPERSED IN THE OIL, WHICH PROCESS INCLUDES THE STEPS OF: FLOWING THE DISPERSION THROUGH AN ANNULAR SPACE BETWEEN SURFACES OF REVOLUTION WHICH ARE ROTATING RELATIVE TO EACH OTHER TO PROVIDE A CONTROLLABLE TURBULENECE IN SAID ANNULAR SPACE, SAID TURBULENCE CAUSING REPEATED CONTACT BETWEEN SAID DROPLETS; CONTROLLING THE RELATIVE ROTATION OF SAID SURFACES TO INDUCE COALESCENCE OF SAID DROPLETS DUE TO SAID REPEATED CONTACT, THUS INCREASING THE PARITICLE SIZE OF THE DROPLETS CONSTITUTING THE INTERNAL PHASE MATERIAL AND PROUDCING A TREATED DISPERSION; DELIVERING THE TREATED
Claim 2
Dependent Claim
103 words
A PROCESS FOR TREATING A DISPERSION COMPRISING AN EXTERNAL PHASE OF OIL AND AN INTERNAL PHASE PRESENT AS DROPLETS DISPERSED IN THE OIL, WHICH PROCESS INCLUDES THE STEPS OF: FLOWING THE DISPERSION THROUGH AN ANNULAR SPACE BETWEEN SURFACES OF REVOLUTION WHICH ARE ROTATING RELATIVE TO EACH OTHER TO PROVIDE A CONTROLLABLE TURBULENECE IN SAID ANNULAR SPACE, SAID TURBULENCE CAUSING REPEATED CONTACT BETWEEN SAID DROPLETS; CONTROLLING THE RELATIVE ROTATION OF SAID SURFACES TO INDUCE COALESCENCE OF SAID DROPLETS DUE TO SAID REPEATED CONTACT, THUS INCREASING THE PARITICLE SIZE OF THE DROPLETS CONSTITUTING THE INTERNAL PHASE MATERIAL AND PROUDCING A TREATED DISPERSION; DELIVERING THE TREATED
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) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |