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Patent US2979440A successfully refreshed from Google Patents.
US2979440A
Expired / Lapsed
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Stabilized diastatic enzyme compositions
Assignee: Rohm and Haas Co
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Filing: 1957-04-03
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Granted: 1961-04-11
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Expires: 1977-04-03
Abstract
No abstract record available.
Inventors
- 👤 Carl V Smythe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:23
CPC Classifications
C; C12; C12N; C12N9/00; C12N9/96
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A DRY FREE-FLOWING DIASTATIC COMPOSITION WHICH COMPRISES A MIXTURE OF DRY PARTICLES OF FUNGAL DISTASE AND GLYCEROL, SAID DISTASE HAVING AN ACTIVITY OF AT LEAST 5,000 SKB UNITS PER GRAM, SAID GLYCEROL BEING INTIMATELY ADMIXED WITH SAID DISTASE IN AN AMOUNT RANGING FROM ABOUT 0.01 TO 30 PERCENT OF THE WEIGHT OF THE DISTASTE, AND THE DISTASE OF SAID DIASTATIC COMPOSISTION HAVING IMPROVED STABILITY WITH RESPECT TO MECHANICAL PROCESSING.
Claim 2
Dependent Claim
69 words
A DRY FREE-FLOWING DIASTATIC COMPOSITION WHICH COMPRISES A MIXTURE OF DRY PARTICLES OF FUNGAL DISTASE AND GLYCEROL, SAID DISTASE HAVING AN ACTIVITY OF AT LEAST 5,000 SKB UNITS PER GRAM, SAID GLYCEROL BEING INTIMATELY ADMIXED WITH SAID DISTASE IN AN AMOUNT RANGING FROM ABOUT 0.01 TO 30 PERCENT OF THE WEIGHT OF THE DISTASTE, AND THE DISTASE OF SAID DIASTATIC COMPOSISTION HAVING IMPROVED STABILITY WITH RESPECT TO MECHANICAL PROCESSING.
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) | 1964-04-10 | 1964-10-10 | 1965-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-10 | 1968-10-10 | 1969-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-10 | 1972-10-10 | 1973-04-11 | $7700.00 | Window Closed / Lapsed |