US3717472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separating aroma-and flavor-bearing substrates into aroma and flavor concentrates
Assignee: Procter and Gamble Co
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Filing: 1971-06-30
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Granted: 1973-02-20
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Expires: 1991-06-30
Abstract
Abstract AROMA- AND FLAVOR-BEARING SUBSTRATES ARE SEPARATED INTO AN AROMA CONCENTRATE AND A FLAVOR CONCENTRATE BY PULSING OR APPLYING IN A CONTINUOUS FASHING WET STEAM TO A ZONE CONTAINING THE SUBSTRATE. THE SUBSTRATE-CONTAINING ZONE IS HELD UNDER VACUUM PRESSURE AND THE FLAVOR CONCENTRATE IS COLLECTED IN A FIRST TRAP, WHILE AN AROMA CONCENTRATE IS COLLECTED IN A SECOND TRAP. IN A PREFERRED EMBODIMENT, THE SUBSTRATE COMPRISES EITHER COFFEE OR TEA.
Inventors
- 👤 R Strobel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 22:48
CPC Classifications
A; A23; A23F; A23F3/00; A23F3/40; A23F3/42; A23F3/426; A23F5/00; A23F5/46; A23F5/48; A23F5/486; A23L; A23L27/00; A23L27/10; A23L27/115
Claims Analysis
Total Claims: 0
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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) | 1976-02-20 | 1976-08-21 | 1977-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-20 | 1980-08-21 | 1981-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-20 | 1984-08-21 | 1985-02-20 | $7700.00 | Window Closed / Lapsed |