US2674564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for separating waxy and oily materials
Assignee: ExxonMobil Oil Corp
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Filing: 1951-10-12
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Granted: 1954-04-06
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Expires: 1971-10-12
Abstract
No abstract record available.
Inventors
- 👤 Donald A Hermanson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:31
CPC Classifications
C; C10; C10G; C10G73/00; C10G73/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
204 words
THE METHOD OF SEPARATING WAX AND OILY CONSITITUENTS PRESENTS IN WAXY HYDROCARBON STOCKS WHICH COMPRISES, CONTINUOUSLY PASSING PARICLES OF A SUITABLE SOLID ABSORBENT OF AT LEAST 0.01 INCH AVERAGE DIAMETER INTO CONTACT WITH SAID WAXY STOCK EXISTING IN THE LIQUID PHASE IN A CONTACTING REGION, WITHDRAWING THE CONTACTED ADSORBENT PARTICLES WITH WAXY STOCK ON THE SURFACE THEREOF FROM SAID CONTACTING REGION BEFORE ANY SUBSTANTIAL AMOUNT OF THE WAX CONSTITUENTS ARE SORBED INTO THE PORES OF THE ABSORBENT PARTICLES AND SUBSTANTIALLY IMMEDIATELY DROPPING THE PARTICLES DOWNWARDLY THROUGH A BODY OF A SUITABLE COOLING LIQUID IN WHICH THE CONSTITUENTS OF THE WAXY STOCK ARE INSOLUBLE TO EFFECT CONGEALING OF THE WAXY CONSTITUENTS ON THE SURFACE OF THE ADSORBENT PARTICLES, WITHDRAWING THE CHILLED ADSORBENT FROM SAID BODY OF LIQUID AND THEN MAINTAINING THE COATED PARTICLES UNDER CONDITIONS IN WHICH SAID WAXY CONSTITUENTS REMAIN IN CONGEALED CONDITION IN A SEPARATE REGION UNTIL SUBSTANTIALLY ALL OF THE NON-CONGEALED LIQUID CONSTITUENTS OF SAID WAXY STOCK ARE SORBED INTO THE PORES OF SAID PARTICLES, LEAVING THE CONGEALED WAXY CONSTITUENTS ON THE SURFACE OF SAID PARTICLES AND THEREAFTER EFFECTING REMOVAL OF THE WAXY CONSTITUENTS FROM THE SURFACE OF SAID ADSORBENT PARTICLES WHILE LEAVING SAID LIQUID CONSTITUENTS WITHIN THE PORES OF THE ABSORBENT.
Claim 2
Independent Claim
204 words
THE METHOD OF SEPARATING WAX AND OILY CONSITITUENTS PRESENTS IN WAXY HYDROCARBON STOCKS WHICH COMPRISES, CONTINUOUSLY PASSING PARICLES OF A SUITABLE SOLID ABSORBENT OF AT LEAST 0.01 INCH AVERAGE DIAMETER INTO CONTACT WITH SAID WAXY STOCK EXISTING IN THE LIQUID PHASE IN A CONTACTING REGION, WITHDRAWING THE CONTACTED ADSORBENT PARTICLES WITH WAXY STOCK ON THE SURFACE THEREOF FROM SAID CONTACTING REGION BEFORE ANY SUBSTANTIAL AMOUNT OF THE WAX CONSTITUENTS ARE SORBED INTO THE PORES OF THE ABSORBENT PARTICLES AND SUBSTANTIALLY IMMEDIATELY DROPPING THE PARTICLES DOWNWARDLY THROUGH A BODY OF A SUITABLE COOLING LIQUID IN WHICH THE CONSTITUENTS OF THE WAXY STOCK ARE INSOLUBLE TO EFFECT CONGEALING OF THE WAXY CONSTITUENTS ON THE SURFACE OF THE ADSORBENT PARTICLES, WITHDRAWING THE CHILLED ADSORBENT FROM SAID BODY OF LIQUID AND THEN MAINTAINING THE COATED PARTICLES UNDER CONDITIONS IN WHICH SAID WAXY CONSTITUENTS REMAIN IN CONGEALED CONDITION IN A SEPARATE REGION UNTIL SUBSTANTIALLY ALL OF THE NON-CONGEALED LIQUID CONSTITUENTS OF SAID WAXY STOCK ARE SORBED INTO THE PORES OF SAID PARTICLES, LEAVING THE CONGEALED WAXY CONSTITUENTS ON THE SURFACE OF SAID PARTICLES AND THEREAFTER EFFECTING REMOVAL OF THE WAXY CONSTITUENTS FROM THE SURFACE OF SAID ADSORBENT PARTICLES WHILE LEAVING SAID LIQUID CONSTITUENTS WITHIN THE PORES OF THE ABSORBENT.
References Cited (Backward Citations)
US2537999A
Cited
US2581573A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-05 | 1957-10-05 | 1958-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-05 | 1961-10-05 | 1962-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-05 | 1965-10-05 | 1966-04-06 | $7700.00 | Window Closed / Lapsed |