US2684378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for fractionating glyceridic mixtures obtained as hydrocarbon solutions
Assignee: United States Department of Agriculture
•
Filing: 1951-02-13
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Granted: 1954-07-20
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Expires: 1971-02-13
Abstract
No abstract record available.
Inventors
- 👤 Skau Evald Laurids
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:39
CPC Classifications
C; C11; C11B; C11B7/00; C11B7/0008; C11B7/0041
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
45 words
A PROCESS FOR THE PRODUCTION OF WINTERIZED COTTONSEED OIL, WHICH COMPRISES INCORPORATING IN A COTTONSEED OIL-HEXANE-WATER SOLUTION ENOUGH ACETONE TO PROVIDE AN ACETONE-HEXANE RATIO OF ABOUT 85:15 IN AN ACETONE-HEXANE-WATER SOLUTION CONTAINING ABOUT 40% COTTONSEED OIL, COOLING TO ABOUT -8* C. AND REMOVING THE SOLIDS.
Claim 2
Dependent Claim
45 words
A PROCESS FOR THE PRODUCTION OF WINTERIZED COTTONSEED OIL, WHICH COMPRISES INCORPORATING IN A COTTONSEED OIL-HEXANE-WATER SOLUTION ENOUGH ACETONE TO PROVIDE AN ACETONE-HEXANE RATIO OF ABOUT 85:15 IN AN ACETONE-HEXANE-WATER SOLUTION CONTAINING ABOUT 40% COTTONSEED OIL, COOLING TO ABOUT -8* C. AND REMOVING THE SOLIDS.
References Cited (Backward Citations)
US2228040A
Cited
US2505012A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-19 | 1958-01-18 | 1958-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-19 | 1962-01-18 | 1962-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-19 | 1966-01-18 | 1966-07-20 | $7700.00 | Window Closed / Lapsed |