Patent US2682533A successfully refreshed from Google Patents.
US2682533A
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Method of debitterization of cascara sagrada
Assignee: Individual
•
Filing: 1952-05-19
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Granted: 1954-06-29
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Expires: 1972-05-19
Abstract
No abstract record available.
Inventors
- 👤 Edward D Davy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 05:46
CPC Classifications
A; A61; A61K; A61K36/00; A61K36/18; A61K36/185; A61K36/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE PROCESS OF MAKING A DEBITTERIZED EXTRACT OF CASCARA SAGRADA, WHICH COMPRISES PREPARING A LIQUID WATER EXTRACTIVE OF THE BARK; CONCENTRATING THIS EXTRACTIVE, BY EVAPORATION OF THE WATER THEREIN, TO A THICK SYRUPY CONSISTENCY WHEN HOT AND REMOVING THE BITTER ELEMENTS FROM SAID CONCENTRATED EXTRACTIVE BY DISSOLVING THEM IN ACETONE WITH ONLY SUFFICIENT WATER TO MAINTAIN SAID EXTRACTIVE IN A MOBILE CONDITION SO THAT IT WILL BE AMENDABLE TO THE ACTION OF SAID SOLVENT.
Claim 2
Dependent Claim
74 words
THE PROCESS OF MAKING A DEBITTERIZED EXTRACT OF CASCARA SAGRADA, WHICH COMPRISES PREPARING A LIQUID WATER EXTRACTIVE OF THE BARK; CONCENTRATING THIS EXTRACTIVE, BY EVAPORATION OF THE WATER THEREIN, TO A THICK SYRUPY CONSISTENCY WHEN HOT AND REMOVING THE BITTER ELEMENTS FROM SAID CONCENTRATED EXTRACTIVE BY DISSOLVING THEM IN ACETONE WITH ONLY SUFFICIENT WATER TO MAINTAIN SAID EXTRACTIVE IN A MOBILE CONDITION SO THAT IT WILL BE AMENDABLE TO THE ACTION OF SAID SOLVENT.
References Cited (Backward Citations)
US1167230A
Cited
US2552896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |