US3758323A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dextrin extended gelatin compositions
Assignee: Indopco Inc
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Filing: 1972-10-19
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Granted: 1973-09-11
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Expires: 1992-10-19
Abstract
Abstract EXTENDED GELATIN FILM-FORMING COMPOSITIONS ARE DISCLOSED COMPRISING 40 TO 97 PERCENT, BY WEIGHT, OF GELATIN AND 3 TO 60 PERCENT, BY WEIGHT, OF CERTAIN DEXTRINS CHOSEN BY MEANS OF A COMPATIBILITY TEST. THE EXTENDED GELATIN COMPOSITIONS ARE USEFUL IN FILMS, CAPSULES, AND PROTECTIVE COATINGS.
Inventors
- 👤 C Szymanski
- 👤 G Helmstetter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:39
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/005; G03C1/04; G03C1/047; A; A61; A61K; A61K9/00; A61K9/48; A61K9/4816; C; C08; C08L; C08L3/00; C08L3/02; C08L89/00
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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |