Patent US2852430A successfully refreshed from Google Patents.
US2852430A
Expired / Lapsed
US
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Chloramphenicol ester compositions
Assignee: EIDP Inc
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Filing: 1954-07-08
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Granted: 1958-09-16
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Expires: 1974-07-08
Abstract
No abstract record available.
Inventors
- 👤 Max T Gocbel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:36
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/70
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A COMPOSITION FOR CONTROLLING INFECTIOUS DIEASES CAUSED BY GRAM-NEGATIVE AND GRAM-POSITIVE ORGANISMS COMPRISING NOT LESS THAN 0.5 PERCENT OF A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
24 words
A COMPOSITION FOR CONTROLLING INFECTIOUS DIEASES CAUSED BY GRAM-NEGATIVE AND GRAM-POSITIVE ORGANISMS COMPRISING NOT LESS THAN 0.5 PERCENT OF A COMPOUND HAVING THE FORMULA
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) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |