US2631145A
Expired / Lapsed
US
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Separation of essential oils into component fractions
Assignee: Individual
•
Filing: 1951-04-10
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Granted: 1953-03-10
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Expires: 1971-04-10
Abstract
No abstract record available.
Inventors
- 👤 Donald F Othmer
- 👤 Morris B Jacobs
- 👤 Wishnefsky Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 01:33
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/02; C11B9/022; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/947
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
THE METHOD OF SEPARATING THE OXYGENATED COMPOUNDS FROM THE TERPENE AND SESQUITERPENE HYDROCARBON COMPOUNDS FOUND IN ESSENTIAL OILS CONSISTING OF ADDING TO AN ESSENTIAL OIL AN AQUEOUS SOLUTION OF AN ORGANIC SOLVENT ADJUSTED IN SOLVENT STRENGTH TO OBTAIN MAXIMUM SOLUBILITY OF THE OXYGENATED COMPOUNDS AND MINIMUM SOLUBILITY OF THE HYDROCARBON COMPOUNDS PRESENT IN THE ESSENTIAL OIL; AGITATING THE LIQUID MIXTURE TO EFFECT INTIMATE CONTACT BETWEEN THE AQUEOUS SOLVENT AND THE ESSENTIAL OIL WHEREBY THE OXYGENATED COMPOUNDS ARE DISSOLVED IN THE AQUEOUS SOLVENT; SEPARATING THE MIXTURE INTO TWO SUBSTANTIALLY NON-MISCIBLE LAYERS, ONE OF SAID TWO LAYERS CON-
Claim 2
Independent Claim
96 words
THE METHOD OF SEPARATING THE OXYGENATED COMPOUNDS FROM THE TERPENE AND SESQUITERPENE HYDROCARBON COMPOUNDS FOUND IN ESSENTIAL OILS CONSISTING OF ADDING TO AN ESSENTIAL OIL AN AQUEOUS SOLUTION OF AN ORGANIC SOLVENT ADJUSTED IN SOLVENT STRENGTH TO OBTAIN MAXIMUM SOLUBILITY OF THE OXYGENATED COMPOUNDS AND MINIMUM SOLUBILITY OF THE HYDROCARBON COMPOUNDS PRESENT IN THE ESSENTIAL OIL; AGITATING THE LIQUID MIXTURE TO EFFECT INTIMATE CONTACT BETWEEN THE AQUEOUS SOLVENT AND THE ESSENTIAL OIL WHEREBY THE OXYGENATED COMPOUNDS ARE DISSOLVED IN THE AQUEOUS SOLVENT; SEPARATING THE MIXTURE INTO TWO SUBSTANTIALLY NON-MISCIBLE LAYERS, ONE OF SAID TWO LAYERS CON-
References Cited (Backward Citations)
GB486347A
Cited
US2154713A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |