Patent US3071485A successfully refreshed from Google Patents.
US3071485A
Expired / Lapsed
US
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Heat-sealable, water-activatable starch films
Assignee: Ingredion Inc
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Filing: 1960-01-19
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Granted: 1963-01-01
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Expires: 1980-01-19
Abstract
No abstract record available.
Inventors
- 👤 Otto B Wurzburg
- 👤 Herbst William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:25
CPC Classifications
C; C08; C08J; C08J5/00; C08J5/18; C08K; C08K5/00; C08K5/04; C08K5/05; C08K5/053; C08J2303/00; C08J2303/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
63 words
A HEAT-SEALABLE AND WATER-ACTIVATABLE STARCH FILM COMPRISING A DRIED DISPERSION OF WATER DISPERSIBLE, GELATINIZED STARCH IN WATER CONTAINING AS ESSENTIALLY THE ONLY OTHER INGREDIENT A SORBITOL PRODUCT, SAID SORBITOL PRODUCT SELECTED FROM THE CLASS CONSISTING OF SURBITOL AND A MIXTURE OF SORBITOL AND GLYCERINE, THE PROPORTION OF THE SORBITOL PRODUCT BEING IN THE RANGE FROM 50% TO 100% BY WEIGHT OF THE STARCH.
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) | 1965-12-31 | 1966-07-02 | 1967-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-31 | 1970-07-02 | 1971-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-31 | 1974-07-02 | 1975-01-01 | $7700.00 | Window Closed / Lapsed |