Patent US4025965A successfully refreshed from Google Patents.
US2866735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Therapeutic composition of matter
Assignee: Pharmacia and Upjohn Co
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Filing: 1954-03-18
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Granted: 1958-12-30
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Expires: 1974-03-18
Abstract
No abstract record available.
Inventors
- 👤 Robert E Himelick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:11
CPC Classifications
A; A61; A61K; A61K9/00; A61K9/20; A61K9/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
AN ORAL THERAPEUTIC COMPOSITION COMPRISING AN ERYTHROMYCIN TABLET COATED WITH AN ENTERIC COATING OF CELLULOSE ACETATE PHTHALATE AND THE COMBINATION OF SULFADIAZINE, SULFAMERAZINE, AND SULFAMETHAZINE LAMINATED THEREON.
Claim 2
Dependent Claim
27 words
AN ORAL THERAPEUTIC COMPOSITION COMPRISING AN ERYTHROMYCIN TABLET COATED WITH AN ENTERIC COATING OF CELLULOSE ACETATE PHTHALATE AND THE COMBINATION OF SULFADIAZINE, SULFAMERAZINE, AND SULFAMETHAZINE LAMINATED THEREON.
References Cited (Backward Citations)
US2798024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-29 | 1962-06-30 | 1962-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-29 | 1966-06-30 | 1966-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-29 | 1970-06-30 | 1970-12-30 | $7700.00 | Window Closed / Lapsed |