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US2708652A Expired / Lapsed US ⏱️ 0.0 years remaining

Wax refining

Assignee: Sunoco Inc
•
Filing: 1952-05-02
•
Granted: 1955-05-17
•
Expires: 1972-05-02
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Abstract

No abstract record available.

Inventors

  • 👤 William A Ackerman

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 09:45
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)

US2329785A Cited
US2596942A Cited
US2585895A Cited

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

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