Patent US2708652A successfully refreshed from Google Patents.
US2708652A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wax refining
Assignee: Sunoco Inc
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Filing: 1952-05-02
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Granted: 1955-05-17
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Expires: 1972-05-02
Abstract
No abstract record available.
Inventors
- 👤 William A Ackerman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:46
CPC Classifications
C; C10; C10G; C10G73/00; C10G73/38
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
1 words
FIG-01
Claim 2
Dependent Claim
1 words
FIG-01
Claim 3
Dependent Claim
101 words
PROCESS OF DEODORIZING AND DECOLORIZING WAX WHICH COMPRISES FORMING AN ADMIXTURE OF MOLTEN WAX AND ADSORPTIVE CLAY HAVING A FREE MOISTURE CONTENT OF AT LEAST 2% BY WEIGHT, SAID ADMIXTURE CONTAINING FROM 5 TO 60 POUNDS OF SAID CLAY PER BARREL OF WAX, PASSING FROM 2 TO 50 CUBIC FEET OF AN INERT GAS PER POUND OF CLAY EMPLOYED THROUGH A SUBSTANTIAL BODY OF SAID ADMIXTURE OVER A PERIOD OF FROM 0.5 TO 3 HOURS, WHEREBY SAID INERT GAD STRIPS MOISTURE FROM SAID CLAY, CONTINOUSLY REMOVING SAID INERT GAS ADMIXED WITH MOISTURE FROM SAID ADMIXTURE, AND SEPARATING PURIFIED WAX FROM CLAY.
Claim 4
Dependent Claim
101 words
PROCESS OF DEODORIZING AND DECOLORIZING WAX WHICH COMPRISES FORMING AN ADMIXTURE OF MOLTEN WAX AND ADSORPTIVE CLAY HAVING A FREE MOISTURE CONTENT OF AT LEAST 2% BY WEIGHT, SAID ADMIXTURE CONTAINING FROM 5 TO 60 POUNDS OF SAID CLAY PER BARREL OF WAX, PASSING FROM 2 TO 50 CUBIC FEET OF AN INERT GAS PER POUND OF CLAY EMPLOYED THROUGH A SUBSTANTIAL BODY OF SAID ADMIXTURE OVER A PERIOD OF FROM 0.5 TO 3 HOURS, WHEREBY SAID INERT GAD STRIPS MOISTURE FROM SAID CLAY, CONTINOUSLY REMOVING SAID INERT GAS ADMIXED WITH MOISTURE FROM SAID ADMIXTURE, AND SEPARATING PURIFIED WAX FROM CLAY.
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) | 1958-05-16 | 1958-11-15 | 1959-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-16 | 1962-11-15 | 1963-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-16 | 1966-11-15 | 1967-05-17 | $7700.00 | Window Closed / Lapsed |