US3083105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of peppermint oil
Assignee: Farmers Chemical Co
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Filing: 1960-07-18
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Granted: 1963-03-26
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Expires: 1980-07-18
Abstract
No abstract record available.
Inventors
- 👤 Paul H Todd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:35
CPC Classifications
C; C11; C11B; C11B9/00; C11B9/02; C11B9/022; A; A61; A61K; A61K36/00; A61K36/18; A61K36/185; A61K36/53; A61K36/534
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
IN A METHOD FOR TREATING A PEPPERMINT OIL PRODUCT COMPRISING MENTHOFURAN AND MENTHONE TRO REDUCE THE PROPORTION OF MENTHOLFURAN THEREIN, THE STEPS WHICH INCLUDE: MIXING A LIQUID PEPPERMINT OIL PRODUCT COMPRISING MENTHOFURAN AND MENTHONE WITH A HYDROGENATION CATALYST MATERIAL COMPRISING A METAL SELECTED FROM THE GROUP OF METALS CONSISTING OF RUTHENIUM, RHODIUM, PALLADIUM, OSMIUM, IRIDIUM AND PLATINUM; AGITATING THE MIXTURE IN AN ATMOSPHERE OF GADEOUS HYDROGEN UNTIL THE ABSORPTION OF HYDROGEN SUBSTANTIALLY CEASES; AND SUBSEQUENTLY FILTERING THE MIXTURE TO SEPARATE THE INSOLUBLE CATALYST MATERIAL AND RECOVER A HYDROGENATED PRODUCT ESSENTIALLY FREE OF UNHYDROGENATED MENTHOFURAN BUT COMPRISING ESSENTIALLY THE SAME PROPORTION IF MENTHONE OF A MOLAR BASIS AS THE UNHYDROGENATED LIQUID PEPPERMINIT OIL PRODUCT USED.
Claim 2
Dependent Claim
114 words
IN A METHOD FOR TREATING A PEPPERMINT OIL PRODUCT COMPRISING MENTHOFURAN AND MENTHONE TRO REDUCE THE PROPORTION OF MENTHOLFURAN THEREIN, THE STEPS WHICH INCLUDE: MIXING A LIQUID PEPPERMINT OIL PRODUCT COMPRISING MENTHOFURAN AND MENTHONE WITH A HYDROGENATION CATALYST MATERIAL COMPRISING A METAL SELECTED FROM THE GROUP OF METALS CONSISTING OF RUTHENIUM, RHODIUM, PALLADIUM, OSMIUM, IRIDIUM AND PLATINUM; AGITATING THE MIXTURE IN AN ATMOSPHERE OF GADEOUS HYDROGEN UNTIL THE ABSORPTION OF HYDROGEN SUBSTANTIALLY CEASES; AND SUBSEQUENTLY FILTERING THE MIXTURE TO SEPARATE THE INSOLUBLE CATALYST MATERIAL AND RECOVER A HYDROGENATED PRODUCT ESSENTIALLY FREE OF UNHYDROGENATED MENTHOFURAN BUT COMPRISING ESSENTIALLY THE SAME PROPORTION IF MENTHONE OF A MOLAR BASIS AS THE UNHYDROGENATED LIQUID PEPPERMINIT OIL PRODUCT USED.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |