US3734760A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of amylose films
Assignee: Nagase Viita Co Ltd
•
Filing: 1971-07-27
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Granted: 1973-05-22
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Expires: 1991-07-27
Abstract
Abstract THE PRODUCTION OF TRANSPARENT, STABLE AND STRONG AMYLOSE FILMS COMPRISING HYDROLYSIS OF A GELATINIZED SOLURION OF AMYLOMAIZE STARCH OR ORDINARY STARCH WITH THE ACTION OF ALPHA-1,6-GLUCOSIDASE, PRECIPITATING BY COOLING THE REACTION MIXTURE, RECOVERING THE FORMED STARCH PRECIPITATES WHICH CONSIST EXCLUSIVELY OF AMYLOSE MOLECULES, ADDING TO THE RESULTANT PLASTICIZER IN WHICH A MALTITOL WITH A PURITY OF OVER 50% IS PRESENT OR A PLASTICIZER IN WHICH A MIXTURE OF SAID MALTITOL PRODUCT AND ANOTHER PLASTICIZER IS PRESENT, AND FORMING AMYLOSE FILMS WITH SAID MIXTURE OF AMYLOSE AND PLASTICIZERS.
Inventors
- 👤 H Hijiya
- 👤 M Yoshida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:33
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/053
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) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |