US2607689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of treating coffee
Assignee: Verdurin Co
•
Filing: 1949-07-11
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Granted: 1952-08-19
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Expires: 1969-07-11
Abstract
No abstract record available.
Inventors
- 👤 William J Hale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:27
CPC Classifications
A; A23; A23F; A23F5/00; A23F5/02; A23F5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
55 words
A METHOD OF PREPARING COFFEE WHICH COMPRISES IMPREGNATING DRIED GREEN COFFEE WITH A SOLUTION OF NON-TOXIC OXYGEN-CARRYING PORPHYRIN AND ROASTING THE COFFEE UP TO A TEMPERATURE NOT SUBSTANTIALLY IN EXCESS OF 400* F. FOR A PERIOD OF TIME SUFFICIENT TO DESTROY A SUBSTANTIAL PORTION OF THE CHLOROGENIC ACID AND TRIGONELLINE PRESENT IN THE GREEN COFFEE.
Claim 2
Independent Claim
55 words
A METHOD OF PREPARING COFFEE WHICH COMPRISES IMPREGNATING DRIED GREEN COFFEE WITH A SOLUTION OF NON-TOXIC OXYGEN-CARRYING PORPHYRIN AND ROASTING THE COFFEE UP TO A TEMPERATURE NOT SUBSTANTIALLY IN EXCESS OF 400* F. FOR A PERIOD OF TIME SUFFICIENT TO DESTROY A SUBSTANTIAL PORTION OF THE CHLOROGENIC ACID AND TRIGONELLINE PRESENT IN THE GREEN COFFEE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |