Patent US2547612A successfully refreshed from Google Patents.
US2547612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and centrifuge for dewaxing oil solution
Assignee: SEPARATOR NOBEL AB
•
Filing: 1945-10-17
•
Granted: 1951-04-03
•
Expires: 1965-10-17
Abstract
No abstract record available.
Inventors
- 👤 Andersson Gustav Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:40
CPC Classifications
C; C10; C10G; C10G73/00; C10G73/02; C10G73/28; B; B04; B04B; B04B1/00; Y; Y10; Y10S; Y10S494/00; Y10S494/901
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
120 words
A PROCESS FOR CONTINUOUSLY SEPARATING WAX FROM A MIXTURE OF WAX AND AN OIL SOLUTION HEAVIER THAN THE WAX, WHICH COMPRISES FEEDING THE MIXTURE DIRECTLY INTO ONE END OF A CENTRIFUGAL SEPARATING CHAMBER, DISPLACING THE LARGER WAX PARTICLES OF THE MIXTURE TOWARD THE AXIS OF THE CHAMBER WHILE RETAINING AT LEAST A MAJOR PORTION OF SAID PARTICLES NEAR SAID END OF THE CHAMBER, DISCHARGING THE CENTRIFUGALLY SEPARATED WAX, INCLUDING SAID MAJOR PORTION OF THE LARGER PARTICLES ARE TICLES, ONLY FROM SAID END TO THE CHAMBER, WHEREBY THE MAJOR PORTION OF SAID LARGER PARTICLES ARE MAINTAINED NEAR SAID END OF THE CHAMBER FROM THERE ENTRANCE INTO THE LOCUS UNTIL THEIR DISCHARGE THEREFROM, AND SEPARATELY DISCHARGING THE OIL SOLUTION FROM THE CHAMBER.
Claim 2
Dependent Claim
120 words
A PROCESS FOR CONTINUOUSLY SEPARATING WAX FROM A MIXTURE OF WAX AND AN OIL SOLUTION HEAVIER THAN THE WAX, WHICH COMPRISES FEEDING THE MIXTURE DIRECTLY INTO ONE END OF A CENTRIFUGAL SEPARATING CHAMBER, DISPLACING THE LARGER WAX PARTICLES OF THE MIXTURE TOWARD THE AXIS OF THE CHAMBER WHILE RETAINING AT LEAST A MAJOR PORTION OF SAID PARTICLES NEAR SAID END OF THE CHAMBER, DISCHARGING THE CENTRIFUGALLY SEPARATED WAX, INCLUDING SAID MAJOR PORTION OF THE LARGER PARTICLES ARE TICLES, ONLY FROM SAID END TO THE CHAMBER, WHEREBY THE MAJOR PORTION OF SAID LARGER PARTICLES ARE MAINTAINED NEAR SAID END OF THE CHAMBER FROM THERE ENTRANCE INTO THE LOCUS UNTIL THEIR DISCHARGE THEREFROM, AND SEPARATELY DISCHARGING THE OIL SOLUTION FROM THE CHAMBER.
Claim 3
Dependent Claim
102 words
IN THE CENTRIFUGE ADAPTED ESPECIALLY FOR SEPARATING WAX FROM A MIXTURE OF WAX AND AN OIL SOLUTION HEAVIER THAN THE WAX, A CENTRIFUGAL BOWL COMPRISING A SEPARATING CHAMBER AND AN INLET FOR THE MIXTURE OPENING DIRECTLY INTO ONE END OF THE SEPARATING CHAMBER, THE CHAMBER HAVING ALSO AT SAID END A LEVEL OUTLET FOR THE WAX THROUGH WHICH WAX PARTICLES ARE MOVABLE DIRECTLY FROM NEAR SAID END OF THE CHAMBER, SAID LEVEL OUTLET BEING CONCENTRIC TO THE BOWL AXIS AND LOCATED IN AN END WALL OF THE CHAMBER, THE CHAMBER HAVING AT ITS OPPOSITE END AN OUTLET FOR THE SEPARATED OIL SOLUTION.
Claim 4
Dependent Claim
102 words
IN THE CENTRIFUGE ADAPTED ESPECIALLY FOR SEPARATING WAX FROM A MIXTURE OF WAX AND AN OIL SOLUTION HEAVIER THAN THE WAX, A CENTRIFUGAL BOWL COMPRISING A SEPARATING CHAMBER AND AN INLET FOR THE MIXTURE OPENING DIRECTLY INTO ONE END OF THE SEPARATING CHAMBER, THE CHAMBER HAVING ALSO AT SAID END A LEVEL OUTLET FOR THE WAX THROUGH WHICH WAX PARTICLES ARE MOVABLE DIRECTLY FROM NEAR SAID END OF THE CHAMBER, SAID LEVEL OUTLET BEING CONCENTRIC TO THE BOWL AXIS AND LOCATED IN AN END WALL OF THE CHAMBER, THE CHAMBER HAVING AT ITS OPPOSITE END AN OUTLET FOR THE SEPARATED OIL SOLUTION.
References Cited (Backward Citations)
US347702A
Cited
US463058A
Cited
US732886A
Cited
US810975A
Cited
US837403A
Cited
US884830A
Cited
GB191209833A
Cited
US2052124A
Cited
US2106964A
Cited
US2111508A
Cited
US2197911A
Cited
US2261394A
Cited
US2289431A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-02 | 1954-10-02 | 1955-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-02 | 1958-10-02 | 1959-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-02 | 1962-10-02 | 1963-04-03 | $7700.00 | Window Closed / Lapsed |