US4250169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing antibiotics suppositories
Assignee: Meiji Seika Kaisha Ltd
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Filing: 1979-06-06
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Granted: 1981-02-10
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Expires: 1999-06-06
Abstract
Abstract A method of producing aminoglycoside antibiotics in the form of suppositories which comprises dispersing an aminoglycoside antibiotic substance or its non-toxic salts in an oleaginous or aqueous base to which at least a nonionic surface-active agent and/or an anionic surface active agent are added and forming said substances with said base into a pharmaceutically safe and effective suppository for using in living animals and humans, e.g. in infants.
Inventors
- 👤 Kaoru Hosoi
- 👤 Tadamasa Ikeda
- 👤 Takemi Nakayoshi
- 👤 Akira Okada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:53
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/70; A61K9/00; A61K9/02; Y; Y10; Y10S; Y10S424/00; Y10S424/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A suppository for the therapeutic administration of dibekacin comprising, a mixture of about 10% by weight of dibekacin sulfate with glycerin trifatty acid ester and from 2 to 10% by weight of the surface active agent polyoxyethylene (20) cetyl ether, the remaining percentage by weight being the glycerin trifatty acid ester.
Claim 2
Dependent Claim
51 words
A suppository for the therapeutic administration of dibekacin comprising, a mixture of about 10% by weight of dibekacin sulfate with glycerin trifatty acid ester and from 2 to 10% by weight of the surface active agent polyoxyethylene (20) cetyl ether, the remaining percentage by weight being the glycerin trifatty acid ester.
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) | 1984-02-10 | 1984-08-11 | 1985-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-02-10 | 1988-08-11 | 1989-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-02-10 | 1992-08-11 | 1993-02-10 | $7700.00 | Window Closed / Lapsed |