Patent US255530A successfully refreshed from Google Patents.
Patent US2508002A successfully refreshed from Google Patents.
← Back to Patent Explorer
US2508002A Expired / Lapsed US ⏱️ 0.0 years remaining

Method of extracting wax from cachaza

Assignee: Cuban-American Sugar Co
•
Filing: 1947-05-29
•
Granted: 1950-05-16
•
Expires: 1967-05-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Oscar J Swenson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 13:15
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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag