US3265533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing dextrose
Assignee: Unilever Bestfoods North America
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Filing: 1963-09-11
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Granted: 1966-08-09
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Expires: 1983-09-11
Abstract
No abstract record available.
Inventors
- 👤 Meisel Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:42
CPC Classifications
C; C13; C13K; C13K1/00; C13K1/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A PROCESS FOR PREPARING MICROCRYSTALLINE DEXTROSE HYDRATE FROM A DEXTROSE CONTAINING LIQUOR WHICH COMPRISES COOLING RAPIDLY A SOLUTION, CONSISTING ESSENTIALLY OF DEXTROSE AND CONTAINING BETWEEN ABOUT 70 AND ABOUT 90 PERCENT OF DRY SUBSTANCE, AND HAVING A TEMPERATURE IN THE RANGE OF ABOUT 50*C. TO ABOUT 70*C. TO A TEMPERATURE BELOW ABOUT 50*C. BY MIXING SAID SOLUTION RAPIDLY AND INTIMATELY WITH A BED OF DEXTROSE CRYSTALS HAVING A TEMPERATURE MARKEDLY LOWER THAN ABOUT 50*C. TO SPONTANEOUSLY CRYSTALLIZE DEXTROSE HYDRATE FROM SAID SOLUTION, MAINTAINING SAID TEMPERATURE BELOW ABOUT 50*C. AND THEREBY OBTAINING MICROCRYSTALLINE DEXTROSE HYDRATE AS THE PRODUCT.
Claim 2
Dependent Claim
97 words
A PROCESS FOR PREPARING MICROCRYSTALLINE DEXTROSE HYDRATE FROM A DEXTROSE CONTAINING LIQUOR WHICH COMPRISES COOLING RAPIDLY A SOLUTION, CONSISTING ESSENTIALLY OF DEXTROSE AND CONTAINING BETWEEN ABOUT 70 AND ABOUT 90 PERCENT OF DRY SUBSTANCE, AND HAVING A TEMPERATURE IN THE RANGE OF ABOUT 50*C. TO ABOUT 70*C. TO A TEMPERATURE BELOW ABOUT 50*C. BY MIXING SAID SOLUTION RAPIDLY AND INTIMATELY WITH A BED OF DEXTROSE CRYSTALS HAVING A TEMPERATURE MARKEDLY LOWER THAN ABOUT 50*C. TO SPONTANEOUSLY CRYSTALLIZE DEXTROSE HYDRATE FROM SAID SOLUTION, MAINTAINING SAID TEMPERATURE BELOW ABOUT 50*C. AND THEREBY OBTAINING MICROCRYSTALLINE DEXTROSE HYDRATE AS THE PRODUCT.
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |