US3137639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing starch conversion syrups
Assignee: Primary Products Ingredients Americas LLC
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Filing: 1962-04-30
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Granted: 1964-06-16
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Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Hurst Thomas Lighthall
- 👤 Turner Almerin Willard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:02
CPC Classifications
C; C12; C12P; C12P19/00; C12P19/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
THE METHOD OF PRODUCING STARCH CONVERSIONSYRUP HAVING A DEXTROSE EQUIVALENT VALUE IN THE RANGE OF ABOUT 68 TO 75, A MINIMUM FERMENTABLE EXTRACT VALUE OF ABOUT 77, AND A MAXIMUM DEXTROSE CONTENT OF ABOUT 47, WHICH COMPRISES, DIGESTING ACID-THINNED STARCH HYDROLYZATE LIQUOR HAVING A D.E. OF ABOUT 15 TO 35, A PH OF ABOUT 4.5 TO 5.6 AND A SOLIDS CONTENT OF ABOUT 30 TO 55% BY WEIGHT, WITH BETA-AMYLASE AND WITH AMYLOGLUCOSIDASE WHICH IS AT LEAST SUBSTANTIALLY FRE FROM TRANSGLUCOSYLASE, CONTINUING THE DIGESTION FOR APPROXIMATELY 48-96 HOURS AT A TEMPERATURE OF ABOUT 128 TO 132*F.
Claim 2
Independent Claim
96 words
THE METHOD OF PRODUCING STARCH CONVERSIONSYRUP HAVING A DEXTROSE EQUIVALENT VALUE IN THE RANGE OF ABOUT 68 TO 75, A MINIMUM FERMENTABLE EXTRACT VALUE OF ABOUT 77, AND A MAXIMUM DEXTROSE CONTENT OF ABOUT 47, WHICH COMPRISES, DIGESTING ACID-THINNED STARCH HYDROLYZATE LIQUOR HAVING A D.E. OF ABOUT 15 TO 35, A PH OF ABOUT 4.5 TO 5.6 AND A SOLIDS CONTENT OF ABOUT 30 TO 55% BY WEIGHT, WITH BETA-AMYLASE AND WITH AMYLOGLUCOSIDASE WHICH IS AT LEAST SUBSTANTIALLY FRE FROM TRANSGLUCOSYLASE, CONTINUING THE DIGESTION FOR APPROXIMATELY 48-96 HOURS AT A TEMPERATURE OF ABOUT 128 TO 132*F.
References Cited (Backward Citations)
US2891869A
Cited
US2967804A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-16 | 1967-12-16 | 1968-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-16 | 1971-12-16 | 1972-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-16 | 1975-12-16 | 1976-06-16 | $7700.00 | Window Closed / Lapsed |