US3128208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water dispersible amylose
Assignee: General Foods Corp
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Filing: 1961-10-24
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Granted: 1964-04-07
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Expires: 1981-10-24
Abstract
No abstract record available.
Inventors
- 👤 Benjamin R Zeitlin
- 👤 Sarko Anatole
- 👤 Felix J Germino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:28
CPC Classifications
C; C08; C08B; C08B30/00; C08B30/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
THE METHOD OF PRODUCING WATER-DISPERSIBLE AMYLOSE, WHICH COMPRISES SUBJECTING A MIXTURE OF WATER AND AMYLOSE TO AUTOCLAVING TO FORM A HOT AQUEOUS SOLUTION CONTAINING ABOUT 1 TO 25% AMYLOSE BY WEIGHT, DILUTING THE SOLUTION WITH WATER TO FORM A NON-GELLING AMYLOSE SOLUTION, COOLING THE SOLUTION TO A TEMPERATURE RANGING FROM ROOM TEMPERATURE TO JUST ABOVE THE TEMPERATURE OF ICE FORMATION TO PRECIPITATE THE AMYLOSE, SEPARATING THE PRECIPITATE FROM THE SOLUTION, SUBJECTING THE PRECIPITATE TO FREEZING CONDITIONS, AND LYOPHILIZING THE PRECIPITATE.
Claim 2
Independent Claim
80 words
THE METHOD OF PRODUCING WATER-DISPERSIBLE AMYLOSE, WHICH COMPRISES SUBJECTING A MIXTURE OF WATER AND AMYLOSE TO AUTOCLAVING TO FORM A HOT AQUEOUS SOLUTION CONTAINING ABOUT 1 TO 25% AMYLOSE BY WEIGHT, DILUTING THE SOLUTION WITH WATER TO FORM A NON-GELLING AMYLOSE SOLUTION, COOLING THE SOLUTION TO A TEMPERATURE RANGING FROM ROOM TEMPERATURE TO JUST ABOVE THE TEMPERATURE OF ICE FORMATION TO PRECIPITATE THE AMYLOSE, SEPARATING THE PRECIPITATE FROM THE SOLUTION, SUBJECTING THE PRECIPITATE TO FREEZING CONDITIONS, AND LYOPHILIZING THE PRECIPITATE.
References Cited (Backward Citations)
US2813796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-07 | 1967-10-07 | 1968-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-07 | 1971-10-07 | 1972-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-07 | 1975-10-07 | 1976-04-07 | $7700.00 | Window Closed / Lapsed |