US3169083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous conversion of starch
Assignee: Cerestar USA Inc
•
Filing: 1961-03-09
•
Granted: 1965-02-09
•
Expires: 1981-03-09
Abstract
No abstract record available.
Inventors
- 👤 Gerwin G Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:27
CPC Classifications
C; C08; C08B; C08B30/00; C08B30/12; C13; C13K; C13K1/00; C13K1/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN THE CONVERSION OF AN ACID CATALYZED STARCH SLURRY IN A VESSEL, THE METHOD WHICH COMPRISES THE STEPS OF FLOWING THE STARCH SLURRY AT COOKING TEMPERATURE AND PRESSURE THROUGH THE VESSEL, MECHANICALLY AGITATING THE SLURRY ADJACENT THE WALLS OF THE VESSEL TO DISRUPT LAMINAR FLOW ADJACENT THE WALLS WITHOUT CAUSING TURBULENCE IN THE SLURRY AND THEN DISCHARGING THE SLURRY FROM THE VESSEL.
Claim 2
Dependent Claim
62 words
IN THE CONVERSION OF AN ACID CATALYZED STARCH SLURRY IN A VESSEL, THE METHOD WHICH COMPRISES THE STEPS OF FLOWING THE STARCH SLURRY AT COOKING TEMPERATURE AND PRESSURE THROUGH THE VESSEL, MECHANICALLY AGITATING THE SLURRY ADJACENT THE WALLS OF THE VESSEL TO DISRUPT LAMINAR FLOW ADJACENT THE WALLS WITHOUT CAUSING TURBULENCE IN THE SLURRY AND THEN DISCHARGING THE SLURRY FROM THE VESSEL.
References Cited (Backward Citations)
US219878A
Cited
US636559A
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US972556A
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US2678276A
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US2946707A
Cited
US2940876A
Cited
US2989425A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |