US2508002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of extracting wax from cachaza
Assignee: Cuban-American Sugar Co
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Filing: 1947-05-29
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Granted: 1950-05-16
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Expires: 1967-05-29
Abstract
No abstract record available.
Inventors
- 👤 Oscar J Swenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:07
CPC Classifications
C; C11; C11B; C11B11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A METHOD OF EXTRACTING WAX FROM CACHAZA COMPRISING FLOWING THE HEATED FLUID CACHAZA DOWNWARDLY THROUGH A WAX-EXTRACTING ZONE, PASSING A COUNTERCURRENT FLOW OF HEATED WATERIMMISCIBLE ORGANIC SOLVENT THROUGH SAID WAX-EXTRACTING ZONE, AGITATING THE FLUID CACHAZA WHILE PASSING IT COUNTERCURRENT THROUGH SAID WAX-EXTRACTING ZONE IN INTIMATE ADMIXTURE THEREWITH, CONTINUOUSLY REMOVING WAX-ENRICHED SOLVENT FROM A HIGH POINT IN THE WAX-EXTRACTING ZONE, CONTINUOUSLY REMOVING THE EXTRACTED CACHAZA FROM A LOW POINT IN THE WAX-EXTRACTING ZONE WHILE STILL IN FLUID STATE, RECOVERING THE SOLVENT FROM THE WAX-ENRICHED SOLVENT TO RECOVER THE WAX, RECOVERING THE SOLVENT FROM THE EXTRACTED CACHAZA AND RETURNING THE RECOVERED SOLVENT TO THE SYSTEM.
Claim 2
Independent Claim
103 words
A METHOD OF EXTRACTING WAX FROM CACHAZA COMPRISING FLOWING THE HEATED FLUID CACHAZA DOWNWARDLY THROUGH A WAX-EXTRACTING ZONE, PASSING A COUNTERCURRENT FLOW OF HEATED WATERIMMISCIBLE ORGANIC SOLVENT THROUGH SAID WAX-EXTRACTING ZONE, AGITATING THE FLUID CACHAZA WHILE PASSING IT COUNTERCURRENT THROUGH SAID WAX-EXTRACTING ZONE IN INTIMATE ADMIXTURE THEREWITH, CONTINUOUSLY REMOVING WAX-ENRICHED SOLVENT FROM A HIGH POINT IN THE WAX-EXTRACTING ZONE, CONTINUOUSLY REMOVING THE EXTRACTED CACHAZA FROM A LOW POINT IN THE WAX-EXTRACTING ZONE WHILE STILL IN FLUID STATE, RECOVERING THE SOLVENT FROM THE WAX-ENRICHED SOLVENT TO RECOVER THE WAX, RECOVERING THE SOLVENT FROM THE EXTRACTED CACHAZA AND RETURNING THE RECOVERED SOLVENT TO THE SYSTEM.
References Cited (Backward Citations)
US2428813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-15 | 1953-11-14 | 1954-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-15 | 1957-11-14 | 1958-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-15 | 1961-11-14 | 1962-05-16 | $7700.00 | Window Closed / Lapsed |