Patent US3021218A successfully refreshed from Google Patents.
US3021218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Producing a stable coffee aroma product
Assignee: General Foods Corp
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Filing: 1959-01-21
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Granted: 1962-02-13
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Expires: 1979-01-21
Abstract
No abstract record available.
Inventors
- 👤 William P Clinton
- 👤 Pitchon Esra
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:01
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/46; A23F5/48; A23F5/486
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A PROCESS FOR PRODUCING A STABLE COFFEE AROMA PRODCUCT CHARACTERIZED BY ITS IMPROVED STORAGE STABILITY WHICH COMPRISES COLLECTING COFFEE/AROMA BEARING GAS CONTAINING CARBON DIOXIDE, MOSITURE AND OXYGEN BY CONDENSING SAID GAS AS AN AROMA BEARING FROST, DEPOSITING SAID FROST IN A CHILLED CONTAINER, TEMPERING SAID FROST BY WARMING TO ABOUT -78*C. TO VAPORIZE CARBON DIOXIDE AND OXYGEN CONTAINED THEREIN SO THAT THE CARBON DIOXIDE PURGES THE FROST ENVIRONMENT OF OXYGEN BY REMOVING VAPORIZED OXYGEN FROM THE ENVIRONMENT OF SAID FROST AND THEREAFTER VAPORIZING DESIRABLE COFFEE AROMA COMPONENTS FROM SAID FROST BY HEATING SAID FROST TO A TEMPERATURE OF -78*C. TO 70*C. IN THE PRESENCE OF VAPORIZED CARBON DIOXIDE WHEREBY SAID DESIRABLE COFFEE AROMA COMPONENTS ARE SEPARATED IN A MORE STABLE FORM FROM MOISTURE, OXYGEN AND UNDESIRABLE AROMA COMPONENTS OCCLUDED IN THE CONDENSATE RESIDUUM.
Claim 2
Dependent Claim
133 words
A PROCESS FOR PRODUCING A STABLE COFFEE AROMA PRODCUCT CHARACTERIZED BY ITS IMPROVED STORAGE STABILITY WHICH COMPRISES COLLECTING COFFEE/AROMA BEARING GAS CONTAINING CARBON DIOXIDE, MOSITURE AND OXYGEN BY CONDENSING SAID GAS AS AN AROMA BEARING FROST, DEPOSITING SAID FROST IN A CHILLED CONTAINER, TEMPERING SAID FROST BY WARMING TO ABOUT -78*C. TO VAPORIZE CARBON DIOXIDE AND OXYGEN CONTAINED THEREIN SO THAT THE CARBON DIOXIDE PURGES THE FROST ENVIRONMENT OF OXYGEN BY REMOVING VAPORIZED OXYGEN FROM THE ENVIRONMENT OF SAID FROST AND THEREAFTER VAPORIZING DESIRABLE COFFEE AROMA COMPONENTS FROM SAID FROST BY HEATING SAID FROST TO A TEMPERATURE OF -78*C. TO 70*C. IN THE PRESENCE OF VAPORIZED CARBON DIOXIDE WHEREBY SAID DESIRABLE COFFEE AROMA COMPONENTS ARE SEPARATED IN A MORE STABLE FORM FROM MOISTURE, OXYGEN AND UNDESIRABLE AROMA COMPONENTS OCCLUDED IN THE CONDENSATE RESIDUUM.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |