US2723938A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous penicillin suspensions comprising inositol phosphoric acids and their salts
Assignee: Bristol Laboratories Inc
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Filing: 1952-12-05
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Granted: 1955-11-15
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Expires: 1972-12-05
Abstract
No abstract record available.
Inventors
- 👤 Buckwalter Frank Harold
- 👤 Murray A Kaplan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:22
CPC Classifications
C; C07; C07D; C07D499/00; C07D499/21; C07D499/22; A; A61; A61K; A61K31/00; A61K31/33; A61K31/395; A61K31/41; A61K31/425; A61K31/429; A61K31/43
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
AN AQUEOUS SUSPENSION COMPRISING A WATER-INSOLUBLE THERAPEUTIC SALT OF PENICILLIN AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF INOSITOLPHOSPHORIC ACIDS AND THEIR NON-TOXIC SALTS.
Claim 2
Dependent Claim
25 words
AN AQUEOUS SUSPENSION COMPRISING A WATER-INSOLUBLE THERAPEUTIC SALT OF PENICILLIN AND A MEMBER SELECTED FROM THE GROUP CONSISTING OF INOSITOLPHOSPHORIC ACIDS AND THEIR NON-TOXIC SALTS.
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) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |