US3143425A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single-step process of producing hop extracts
Assignee: CHEMISCHES LAB DR A MUELLER
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Filing: 1961-06-30
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Granted: 1964-08-04
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Expires: 1981-06-30
Abstract
No abstract record available.
Inventors
- 👤 Mueller Adam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:29
CPC Classifications
C; C12; C12C; C12C3/00; C12C3/12; C12C3/04; C12C3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
IN A PROCESS OF PRODUCING HOP EXTRACTS BY EXTRACTION OF HOPS WITH ORGANIC SOLVENTS, THE STEPS WHICH COMPRISE MIXING COMMINUTED HOPS SIMULTANEOUSLY WITH AN ORGANIC SOLVENT AND WITH WATER CONTAINING AMMONIA IN AN AMOUNT SUFFICIENT TO IMPART TO THE MIXTURE OF HOPS, SOLVENT AND WATER A PH-VALUE BETWEEN ABOUT 8.5 AND ABOUT 9.0, THE AMOUNT OF WATER PRESENT IN THE EXTRACTION MIXTURE BEING BETWEEN ABOUT 10% AND ABOUT 40% OF THE ORGANIC SOLVENT, SEPARATING THE RESULTING EXTRACT FROM THE SPENT HOP RESIDUE, REMOVING THE SOLVENT THEREFROM, AND CONCENTRATING THE EXTRACT.
Claim 2
Dependent Claim
90 words
IN A PROCESS OF PRODUCING HOP EXTRACTS BY EXTRACTION OF HOPS WITH ORGANIC SOLVENTS, THE STEPS WHICH COMPRISE MIXING COMMINUTED HOPS SIMULTANEOUSLY WITH AN ORGANIC SOLVENT AND WITH WATER CONTAINING AMMONIA IN AN AMOUNT SUFFICIENT TO IMPART TO THE MIXTURE OF HOPS, SOLVENT AND WATER A PH-VALUE BETWEEN ABOUT 8.5 AND ABOUT 9.0, THE AMOUNT OF WATER PRESENT IN THE EXTRACTION MIXTURE BEING BETWEEN ABOUT 10% AND ABOUT 40% OF THE ORGANIC SOLVENT, SEPARATING THE RESULTING EXTRACT FROM THE SPENT HOP RESIDUE, REMOVING THE SOLVENT THEREFROM, AND CONCENTRATING THE EXTRACT.
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) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |