US3730840A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing low molecular weight amyloses
Assignee: Nagase Viita Co Ltd
•
Filing: 1969-03-25
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Granted: 1973-05-01
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Expires: 1989-03-25
Abstract
Abstract A PROCESS FOR THE PROPARATION OF STRAIGHT-CHAIN AMYLOSES HAVING MOLECULAR CHAIN LENGTHS OF 20 TO 30 THAT HAVE NEVER BEEN OBTAINABLE HITHERTO. STRAIGHT-CHAIN LOW MOLECULAR WEIGHT AMYLOSES WHEREIN THE MOLECULES HAVE RELATIVELY UNIFORM CHAIN LENGTH ARE OBTAINED BY LIQUEFYING A STARCH SLURRY TO A RELATIVELY LOW EXTENT, RAPIDLY COOLING THE LIQUEFIED SLURRY BEFORE THERE OCCURS A SUBSTANTIAL RETROGRADATION AND SELECTIVELY DECOMPOSING AND CUTTING THE A-1,6-GLUCOSIDE BONDS OF AMYLOPECTIN CONTAINED IN THE STARCH.
Inventors
- 👤 K Sugimoto
- 👤 M Hirao
- 👤 M Yoshida
- 👤 M Shiosaka
- 👤 Y Yokobayashi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:29
CPC Classifications
C; C08; C08B; C08B30/00; C08B30/20; C12; C12P; C12P19/00; C12P19/16; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/874
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-30 | 1976-10-30 | 1977-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-30 | 1980-10-30 | 1981-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-30 | 1984-10-30 | 1985-05-01 | $7700.00 | Window Closed / Lapsed |