Patent US3004894A successfully refreshed from Google Patents.
US3004894A
Expired / Lapsed
US
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Therapeutic composition comprising tetracycline and a dioxolane
Assignee: Pharmacia and Upjohn Co
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Filing: 1959-04-07
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Granted: 1961-10-17
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Expires: 1979-04-07
Abstract
No abstract record available.
Inventors
- 👤 Richard H Johnson
- 👤 Donald P Wallach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 04:08
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/0012; A61K9/0019; A61K31/00; A61K31/65; A61K47/00; A61K47/06; A61K47/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
19 words
A THERAPEUTIC COMPOSITION FOR PARENTERAL ADMINISTRATION COMPRISING TETRACYCLINE AS AN ESSENTIAL ACTIVE INGREDIENT AND, AS A VEHICLE THEREFOR, 2,2-DIMETHYL-1,3-DIOXOLANE-4-METHANOL.
Claim 2
Dependent Claim
19 words
A THERAPEUTIC COMPOSITION FOR PARENTERAL ADMINISTRATION COMPRISING TETRACYCLINE AS AN ESSENTIAL ACTIVE INGREDIENT AND, AS A VEHICLE THEREFOR, 2,2-DIMETHYL-1,3-DIOXOLANE-4-METHANOL.
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) | 1964-10-16 | 1965-04-17 | 1965-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-16 | 1969-04-17 | 1969-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-16 | 1973-04-17 | 1973-10-17 | $7700.00 | Window Closed / Lapsed |