Patent US3101299A successfully refreshed from Google Patents.
US3101299A
Expired / Lapsed
US
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Silica-gel powder tablet compositions
Assignee: PARISIENNE D EXPANSION CHIMIQU
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Filing: 1961-10-30
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Granted: 1963-08-20
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Expires: 1981-10-30
Abstract
No abstract record available.
Inventors
- 👤 Ferrand Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:58
CPC Classifications
A; A61; A61J; A61J3/00; A61J3/10; A61K; A61K9/00; A61K9/20; A61K9/2004; A61K9/2009; B; B01; B01J; B01J2/00; B01J2/28
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
31 words
A COMPOSITION FOR TABLETING COMPRISING A POWDERED COMPOSITION CONTAINING A PHARMACEUTICALLY ACTIVE SUBSTANCE, A DILUENT THEREOF AND AT MOST 0.1% BY WEIGHT OF SILICA GEL IN THE FORM OF MICROFINE POWDER.
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) | 1966-08-19 | 1967-02-18 | 1967-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-19 | 1971-02-18 | 1971-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-19 | 1975-02-18 | 1975-08-20 | $7700.00 | Window Closed / Lapsed |