Patent US5615081A successfully refreshed from Google Patents.
Patent US3113028A successfully refreshed from Google Patents.
US3113028A
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Tea concentrate and method of making same
Assignee: Rand Development Corp
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Filing: 1961-02-24
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Granted: 1963-12-03
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Expires: 1981-02-24
Abstract
No abstract record available.
Inventors
- 👤 Hugh S Cooper
- 👤 Earl T Alvord
- 👤 Andrew J Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:40
CPC Classifications
A; A23; A23F; A23F3/00; A23F3/16; A23F3/163; A23F3/20; A23F3/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
A METHOD OF PREPARING A STABLE TEA CONCENTRATE COMPRISING THE STEPS OF LEACHING ABOUT 100 PARTS BY WEIGHT OF TEA WITH ABOUT 200 TO 2500 PARTS BY WEIGHT OF HOT WATER, SEPARATING THE TEA FROM THE RESULTING SOLUTION TO PROVIDE ABOUT 150 TO 1500 PARTS BY WEIGHT OF A CONCENTRATED INFUSION TEA, COOLING SAID INFUSION TO A TEMPERATURE OF ABOUT 45 TO 60*F., ACIDIFYING SAID INFUSION TO A PH OF ABOUT 2 TO 5, ADDING THERETO AND MIXING THEREWITH AN AQUEOUS SOLUTION CONTAINING ABOUT 0.2 TO 1.5 PERCENT BY WEIGHT OF GELATIN AND HAVING A TEMPERATURE OF ABOUT 100*F. TO 160*F. TO FORM A PRECIPITATE, COOLING SAID INFUSION TO A TEMPERATURE OF ABOUT 31 TO 35*F. AND ADDING SAID LIQUID SOLUTION SO THAT THE TOTAL AMOUNT THEREOF ADDED IS ABOUT 1/8 TO 4 PARTS BY WEIGHT, AND SEPARATING THE PRECIPITATE FROM THE INFUSION TO PROVIDE A RELATIVELY CLEAR STABLE LIQUID TEA INFUSION.
Claim 2
Independent Claim
152 words
A METHOD OF PREPARING A STABLE TEA CONCENTRATE COMPRISING THE STEPS OF LEACHING ABOUT 100 PARTS BY WEIGHT OF TEA WITH ABOUT 200 TO 2500 PARTS BY WEIGHT OF HOT WATER, SEPARATING THE TEA FROM THE RESULTING SOLUTION TO PROVIDE ABOUT 150 TO 1500 PARTS BY WEIGHT OF A CONCENTRATED INFUSION TEA, COOLING SAID INFUSION TO A TEMPERATURE OF ABOUT 45 TO 60*F., ACIDIFYING SAID INFUSION TO A PH OF ABOUT 2 TO 5, ADDING THERETO AND MIXING THEREWITH AN AQUEOUS SOLUTION CONTAINING ABOUT 0.2 TO 1.5 PERCENT BY WEIGHT OF GELATIN AND HAVING A TEMPERATURE OF ABOUT 100*F. TO 160*F. TO FORM A PRECIPITATE, COOLING SAID INFUSION TO A TEMPERATURE OF ABOUT 31 TO 35*F. AND ADDING SAID LIQUID SOLUTION SO THAT THE TOTAL AMOUNT THEREOF ADDED IS ABOUT 1/8 TO 4 PARTS BY WEIGHT, AND SEPARATING THE PRECIPITATE FROM THE INFUSION TO PROVIDE A RELATIVELY CLEAR STABLE LIQUID TEA INFUSION.
References Cited (Backward Citations)
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Cited
US1854062A
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US2891865A
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US2831772A
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US2875062A
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US2963368A
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US2978328A
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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) | 1966-12-02 | 1967-06-03 | 1967-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-02 | 1971-06-03 | 1971-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-02 | 1975-06-03 | 1975-12-03 | $7700.00 | Window Closed / Lapsed |