US2913359A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filtration process for starch
Assignee: Anheuser Busch Companies LLC
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Filing: 1957-09-19
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Granted: 1959-11-17
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Expires: 1977-09-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Glenn E Pollock
- 👤 Harold A Jett
- 👤 Gerwitz Thomas
- 👤 Barrett L Scallet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:38
CPC Classifications
C; C08; C08B; C08B30/00; C08B30/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
THE METHOD OF LOWERING THE WATER CONTENT OF A STARCH SLURRY WHEREIN THE STARCH IS IN GRANULE FORM, WHICH INCLUDES THE STEPS OF ADDING TO THE SLURRY A MINOR PORTION OF AN OXYALKYLENE CONTAINING COMPOUND HAVING SURFACE ACTIVE PROPERTIES AND EFFECTIVE TO REDUCE THE WATER CONTENT OF THE SLURRY BELOW THAT WHICH RESULTS FROM DEWATERING THE SLURRY WITHOUT THE USE OF SUCH COMPOUND TO A LEVEL OF BETWEEN ABOUT 35% TO ABOUT 45% WHEN THE SLURRY IS DEWATERED, AND DEWATERING THE SLURRY.
Claim 2
Independent Claim
82 words
THE METHOD OF LOWERING THE WATER CONTENT OF A STARCH SLURRY WHEREIN THE STARCH IS IN GRANULE FORM, WHICH INCLUDES THE STEPS OF ADDING TO THE SLURRY A MINOR PORTION OF AN OXYALKYLENE CONTAINING COMPOUND HAVING SURFACE ACTIVE PROPERTIES AND EFFECTIVE TO REDUCE THE WATER CONTENT OF THE SLURRY BELOW THAT WHICH RESULTS FROM DEWATERING THE SLURRY WITHOUT THE USE OF SUCH COMPOUND TO A LEVEL OF BETWEEN ABOUT 35% TO ABOUT 45% WHEN THE SLURRY IS DEWATERED, AND DEWATERING THE SLURRY.
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) | 1962-11-16 | 1963-05-18 | 1963-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-16 | 1967-05-18 | 1967-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-16 | 1971-05-18 | 1971-11-17 | $7700.00 | Window Closed / Lapsed |