US3247064A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multivitamin tablet stabilized with porous silica
Assignee: Shionogi and Co Ltd
•
Filing: 1963-03-29
•
Granted: 1966-04-19
•
Expires: 1983-03-29
Abstract
No abstract record available.
Inventors
- 👤 Maekawa Hideyuki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:04
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A SUGAR COATED MULTIVITAMIN TABLET COMPRISING: (1) AN INNER CORE CONTAINING A MEMBER SELECTED FROM THE GROUP CONSISTING OF VITAMIN C, THIAMIN AND MIXTURES THEREOF, (2) AN OUTER SUGAR LAYER, AND (3) AN INTERMEDIATE LAYER DISPOSED BETWEEN SAID INNER CORE AND SAID OUTER SUGAR LAYER; SAID INTERMEDIATE LAYER CONSISTING ESSENTIALLY OF A FAT-SOLUBLE VITAMIN IN INTIMATE ADMIXTURE WITH FINELY POWDERED, POROUS SILICA.
Claim 2
Dependent Claim
62 words
A SUGAR COATED MULTIVITAMIN TABLET COMPRISING: (1) AN INNER CORE CONTAINING A MEMBER SELECTED FROM THE GROUP CONSISTING OF VITAMIN C, THIAMIN AND MIXTURES THEREOF, (2) AN OUTER SUGAR LAYER, AND (3) AN INTERMEDIATE LAYER DISPOSED BETWEEN SAID INNER CORE AND SAID OUTER SUGAR LAYER; SAID INTERMEDIATE LAYER CONSISTING ESSENTIALLY OF A FAT-SOLUBLE VITAMIN IN INTIMATE ADMIXTURE WITH FINELY POWDERED, POROUS SILICA.
References Cited (Backward Citations)
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Cited
US2897121A
Cited
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Cited
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Cited
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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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |