US3767801A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Suppository compositions and process for the preparation thereof
Assignee: Dynamit Nobel AG
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Filing: 1971-01-27
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Granted: 1973-10-23
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Expires: 1991-01-27
Abstract
Abstract SUPPOSITORY COMPOSITIONS HAVING A MELTING POINT OF LESS THAN 37*C. ARE PREPARED BY ESTERIFYING GLYCERIN WITH A FATTY ACID MIXTURE MELTING AT 31-36*C. AND CONSISTING ESSENTIALLY OF 70-82% BY WEIGHT OF LAURIC ACID, 6-22% BY WEIGHT OF MYRISTIC ACID AND 6-22% BY WEIGHT OF PALMITIC ACID. THE RESULTING MASSES ARE NON-BRITTLE, SUBSTANTIALLY FREE FROM PARTIAL ESTERS AND ESSENTIALLY INERT TO ADDITIVES, SUCH AS ASPRIN.
Inventors
- 👤 R Tuma
- 👤 R Lebender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:05
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/02; C; C11; C11C; C11C3/00; C11C3/02
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) | 1976-10-22 | 1977-04-23 | 1977-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-22 | 1981-04-23 | 1981-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-22 | 1985-04-23 | 1985-10-23 | $7700.00 | Window Closed / Lapsed |