US3556942A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for obtaining amylose from cooked starch solutions
Assignee: Primary Products Ingredients Americas LLC
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Filing: 1967-07-17
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Granted: 1971-01-19
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Expires: 1987-07-17
Abstract
Abstract METHOD FOR FRACTIONATING AND SEPARATING AMYLOSE FROM A COOKED STARCH SOLUTION BY CONTACTING SAID COOKED STARCH SOLUTION WITH A MATERIAL EXHIBITING PULLULANASE ACTIVITY FOR A TIME SUFFICIENT TO REDUCE THE SOLUTION''S VISCOSITY TO A VICOSITY OF PREFERABLY LESS THAN 10,000 CENTIPOISES MEASURED AT 40*C., AND THEREAFTER SEPARATING SAID AMYLOSE FROM THE SOLUTION.
Inventors
- 👤 Robert J Hathaway
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:34
CPC Classifications
C; C08; C08B; C08B30/00; C08B30/20; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/828
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |