US3029192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the preparation of dextrine and dextrine-like derivatives from starch
Assignee: Roehm GmbH Darmstadt
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Filing: 1960-09-26
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Granted: 1962-04-10
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Expires: 1980-09-26
Abstract
No abstract record available.
Inventors
- 👤 Krebs Josef
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 10:16
CPC Classifications
C; C12; C12P; C12P19/00; C12P19/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A PROCESS FOR THE ENZYMATIC CONVERSION OF STARCH TO A DEXTRINOUS PRODUCT WHICH COMPRISES STIRRING A MIXTURE OF STARCH AND AN AMYLASE INTO WATR HEATED TO A TEMPERATURE ABOVE THE GELATINIZATION TEMPERATURE OF THE STARCH AND ABOVE THE INACTIVATION TEMPERATUE OF THE AMYLASE.
Claim 2
Dependent Claim
43 words
A PROCESS FOR THE ENZYMATIC CONVERSION OF STARCH TO A DEXTRINOUS PRODUCT WHICH COMPRISES STIRRING A MIXTURE OF STARCH AND AN AMYLASE INTO WATR HEATED TO A TEMPERATURE ABOVE THE GELATINIZATION TEMPERATURE OF THE STARCH AND ABOVE THE INACTIVATION TEMPERATUE OF THE AMYLASE.
References Cited (Backward Citations)
US2175486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-09 | 1965-10-09 | 1966-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-09 | 1969-10-09 | 1970-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-09 | 1973-10-09 | 1974-04-10 | $7700.00 | Window Closed / Lapsed |