US3716388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coloring compositions
Assignee: Sandoz AG
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Filing: 1970-09-11
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Granted: 1973-02-13
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Expires: 1990-09-11
Abstract
Abstract A LAKE DYE COMPOSITION OF A F.D & C., D.&C. AND EXTENAL D. &C., OR NON-CERTIFIED DYE ABSORBED ON AN INSOLUBLE FUMED INORGANIC OXIDE SUBSTRATE, E.G., TITHANIUM DIOXIDE. IT IS USEFUL FOR COLOR COATING PHARMACEUTICAL, COSMETIC, FOOD AND OTHER SOLID FORMS.
Inventors
- 👤 B Lopez
- 👤 S Kornblum
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:38
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A23; A23L; A23L5/00; A23L5/40; A23L5/42; A23L5/47; A61K8/25; A61K8/26; A61K8/28; A61K8/29; A61K9/00; A61K9/20; A61K9/28; A61Q; A61Q1/00; A61Q1/02; C; C09; C09B; C09B63/00; A61K2800/00; A61K2800/40; A61K2800/56
Claims Analysis
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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) | 1976-02-13 | 1976-08-14 | 1977-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-13 | 1980-08-14 | 1981-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-13 | 1984-08-14 | 1985-02-13 | $7700.00 | Window Closed / Lapsed |