Patent US3682648A successfully refreshed from Google Patents.
US3682648A
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US
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Green coffee decaffeination using edible ester solutions
Assignee: General Foods Corp
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Filing: 1970-05-27
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Granted: 1972-08-08
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Expires: 1990-05-27
Abstract
Abstract PROCESS FOR DECAFFENINATING GREEN COFFEE BEANS WITH SOLUTIONS OF ESTERS OF POLYHYDRIC ALCOHOLS AND EDIBLE CARBOXYLIC ACIDS TO PRODUCE BEANS HAVING RESIDUAL QUANTITIES OF SAID ESTER, AND AMOUNTS OF SUGAR AND OTHER NON-CAFFEINE COFFEE SOLUBLES SUBSTANTIALLY THE SAME AS THAT EXISTING IN THE BEANS PRIOR TO DECAFFEINATION.
Inventors
- 👤 William A Mitchell
- 👤 Robert Klose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:55
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/20; A23F5/206
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) | 1975-08-08 | 1976-02-07 | 1976-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-08 | 1980-02-07 | 1980-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-08 | 1984-02-07 | 1984-08-08 | $7700.00 | Window Closed / Lapsed |