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US2717852A
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Method of making dextrose using starch-glucogenase
Assignee: Wallerstein Co Inc
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Filing: 1949-08-18
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Granted: 1955-09-13
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Expires: 1969-08-18
Abstract
No abstract record available.
Inventors
- 👤 Stone Irwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:25
CPC Classifications
C; C12; C12P; C12P19/00; C12P19/20; C12N; C12N11/00; C12N11/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A METHOD OF MAKING DEXTROSE WHICH COMPRISES CONTACTING AN AQUEOUS DISPERSION OF A SUBSTANCE OF THE GROUP CONSISTING OF STARCHES AND CONVERSION PRODUCT THEREOF WITH A STARCH-GLUCOGENASE ENZYME ADSORBED IN SUBSTANTIALLY WATER-INSOLUBLE CONDITION ON A SUBSTANTIALLY WATER-INSOLUBLE ADSORBENT AND THEREAFTER SEPARATING THE AQUEOUS PHASE FROM THE ADSORBENT.
Claim 2
Independent Claim
47 words
A METHOD OF MAKING DEXTROSE WHICH COMPRISES CONTACTING AN AQUEOUS DISPERSION OF A SUBSTANCE OF THE GROUP CONSISTING OF STARCHES AND CONVERSION PRODUCT THEREOF WITH A STARCH-GLUCOGENASE ENZYME ADSORBED IN SUBSTANTIALLY WATER-INSOLUBLE CONDITION ON A SUBSTANTIALLY WATER-INSOLUBLE ADSORBENT AND THEREAFTER SEPARATING THE AQUEOUS PHASE FROM THE ADSORBENT.
References Cited (Backward Citations)
GB161870A
Cited
US2172531A
Cited
GB189417277A
Cited
FR543245A
Cited
US1937672A
Cited
US2360828A
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US2476785A
Cited
US2567000A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-09-12 | 1959-03-14 | 1959-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-09-12 | 1963-03-14 | 1963-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-09-12 | 1967-03-14 | 1967-09-13 | $7700.00 | Window Closed / Lapsed |