US3081172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of brewers' wort with enzymes
Assignee: Labatt Breving Co Ltd
•
Filing: 1961-02-01
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Granted: 1963-03-12
•
Expires: 1981-02-01
Abstract
No abstract record available.
Inventors
- 👤 George E Dennis
- 👤 Richard C Quittenton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:46
CPC Classifications
C; C12; C12C; C12C5/00; C12C5/004; C12C7/00; C12C7/04; C12C7/047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD OF PRODUCING BREWER''S WORT WHICH COMPRISES ADDING TO UNMALTED BARLEY MASH ABOUT 0.01 TO 50 POUNDS OF PROTEOLYTIC AND DIASTATIC ENZYMES PER 100 POUNDS OF BARLEY, HOLDING THE ENZYME-CONTAINING MASH AT A TEMPERATURE OF FROM ABOUT 35* C. TO ABOUT 50* C. FOR A PERIOD OF FROM ABOUT 5 MINUTES TO ABOUT 8 HOURS, RAISING THE MASH TEMPERATURE TO ABOUT 54* C. TO 75* C. AND MAINTAINING THE LATTER TEMPERATURE FOR A PERIOD OF FROM ABOUT 5 MINUTES TO ABOUT 4 HOURS.
Claim 2
Independent Claim
84 words
A METHOD OF PRODUCING BREWER''S WORT WHICH COMPRISES ADDING TO UNMALTED BARLEY MASH ABOUT 0.01 TO 50 POUNDS OF PROTEOLYTIC AND DIASTATIC ENZYMES PER 100 POUNDS OF BARLEY, HOLDING THE ENZYME-CONTAINING MASH AT A TEMPERATURE OF FROM ABOUT 35* C. TO ABOUT 50* C. FOR A PERIOD OF FROM ABOUT 5 MINUTES TO ABOUT 8 HOURS, RAISING THE MASH TEMPERATURE TO ABOUT 54* C. TO 75* C. AND MAINTAINING THE LATTER TEMPERATURE FOR A PERIOD OF FROM ABOUT 5 MINUTES TO ABOUT 4 HOURS.
References Cited (Backward Citations)
US2970054A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |