US2712008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of terpeneless essential oils
Assignee: Individual
•
Filing: 1951-06-29
•
Granted: 1955-06-28
•
Expires: 1971-06-29
Abstract
No abstract record available.
Inventors
- 👤 Justus G Kirchner
- 👤 John M Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:03
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
62 words
THE PROCESS WHICH COMPRISES ADSORBING A CRUDE ESSENTIAL OIL ON A SOLID ADSORBENT MATERIAL, ELUTING THE ADSORBENT MATERIAL WITH A TERPENOPHILIC SOLVENT TO REMOVE THE TERPENE CONSTITUENTS OF THE ESSENTIAL OIL, ELUTING THE ADSORBENT MATERIAL WITH AN OXYGENATED ORGANIC SOLVENT TO REMOVE THE NON-TERPENE CONSTITUENTS OF THE ESSENTIAL OIL, AND RECOVERING A SUBSTANTIALLY TERPENELESS ESSENTIAL OIL FROM THE OXYGENATED ORGANIC SOLVENT ELUATE.
Claim 2
Dependent Claim
62 words
THE PROCESS WHICH COMPRISES ADSORBING A CRUDE ESSENTIAL OIL ON A SOLID ADSORBENT MATERIAL, ELUTING THE ADSORBENT MATERIAL WITH A TERPENOPHILIC SOLVENT TO REMOVE THE TERPENE CONSTITUENTS OF THE ESSENTIAL OIL, ELUTING THE ADSORBENT MATERIAL WITH AN OXYGENATED ORGANIC SOLVENT TO REMOVE THE NON-TERPENE CONSTITUENTS OF THE ESSENTIAL OIL, AND RECOVERING A SUBSTANTIALLY TERPENELESS ESSENTIAL OIL FROM THE OXYGENATED ORGANIC SOLVENT ELUATE.
References Cited (Backward Citations)
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Cited
GB255346A
Cited
GB292667A
Cited
US2059828A
Cited
GB486347A
Cited
US2282808A
Cited
US2296004A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |