US3354046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of treating starch slurries to improve their filterability
Assignee: Standard Brands Inc
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Filing: 1964-12-30
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Granted: 1967-11-21
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Expires: 1984-12-30
Abstract
No abstract record available.
Inventors
- 👤 Robert V Macallister
- 👤 Edward K Crosby
- 👤 Robert E Lanphere
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:21
CPC Classifications
C; C08; C08B; C08B30/00; C08B30/12; C12; C12P; C12P19/00; C12P19/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A METHOD OF PRODUCING STARCH WHICH COMPRISES TREATING AN AQUEOUS SLURRY OF STARCH GRANULES CONTAINING SOME SWOLLEN OR DAMAGED STARCH GRANULES WITH A STARCH HYDROLYZING ENZYME IN AN AMOUNT AND UNDER CONDITIONS EFFECTIVE TO WATER SOLUBILIZE SUBSTANTIALLY ALL OF SAID SWOLLEN OR DAMAGED GRANULES WITHOUT EFFECTING AN APPRECIABLE DECREASE IN THE VISCOSITY OF THE SLURRY AND THEREBY IMPROVING THE FILTERABILITY OF THE SLURRY, FILTERING THE SLURRY TO OBTAIN STARCH GRANULES AND THEN DRYING THE FILTERED STARCH GRANULES.
Claim 2
Independent Claim
77 words
A METHOD OF PRODUCING STARCH WHICH COMPRISES TREATING AN AQUEOUS SLURRY OF STARCH GRANULES CONTAINING SOME SWOLLEN OR DAMAGED STARCH GRANULES WITH A STARCH HYDROLYZING ENZYME IN AN AMOUNT AND UNDER CONDITIONS EFFECTIVE TO WATER SOLUBILIZE SUBSTANTIALLY ALL OF SAID SWOLLEN OR DAMAGED GRANULES WITHOUT EFFECTING AN APPRECIABLE DECREASE IN THE VISCOSITY OF THE SLURRY AND THEREBY IMPROVING THE FILTERABILITY OF THE SLURRY, FILTERING THE SLURRY TO OBTAIN STARCH GRANULES AND THEN DRYING THE FILTERED STARCH GRANULES.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |