US3046161A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of amylose from high amylose cornstarch
Assignee: Individual
•
Filing: 1960-04-21
•
Granted: 1962-07-24
•
Expires: 1980-04-21
Abstract
No abstract record available.
Inventors
- 👤 Edna M Montgomery
- 👤 Kenneth R Sexson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:23
CPC Classifications
C; C08; C08B; C08B30/00; C08B30/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
THE METHOD OF PRETREATING SIEVED HIGH AMYLOSE CORNSTARCH (CONTAINING AT LEAST 46 PERCENT AMYLOSE AS INDICATED BY AN IODINE AFFINITY OF AT LEAST 114 MILLIGRAMS OF I2 PER GRAM OF STARCH), COMPRISING THE STEPS OF SLURRYING ONE PART OF SAID CORNSTARCH IN ABOUT TWO PARTS OF WATER, HARD FREEZING THE SLURRY BY PLACING IN A BATH AT - 10*C. TO -78*C. FOR A PERIOD OF ABOUT BETWEEN 360 MINUTES AND 1 MINUTE TO FORM A SOLID CAKE, THAWING THE CAKE IN ABOUT 5 PARTS OF WATER AT 25*C., AND REMOVING THE EXCESS WATER BY FILTRATION.
Claim 2
Independent Claim
95 words
THE METHOD OF PRETREATING SIEVED HIGH AMYLOSE CORNSTARCH (CONTAINING AT LEAST 46 PERCENT AMYLOSE AS INDICATED BY AN IODINE AFFINITY OF AT LEAST 114 MILLIGRAMS OF I2 PER GRAM OF STARCH), COMPRISING THE STEPS OF SLURRYING ONE PART OF SAID CORNSTARCH IN ABOUT TWO PARTS OF WATER, HARD FREEZING THE SLURRY BY PLACING IN A BATH AT - 10*C. TO -78*C. FOR A PERIOD OF ABOUT BETWEEN 360 MINUTES AND 1 MINUTE TO FORM A SOLID CAKE, THAWING THE CAKE IN ABOUT 5 PARTS OF WATER AT 25*C., AND REMOVING THE EXCESS WATER BY FILTRATION.
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) | 1965-07-23 | 1966-01-22 | 1966-07-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-23 | 1970-01-22 | 1970-07-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-23 | 1974-01-22 | 1974-07-24 | $7700.00 | Window Closed / Lapsed |