US3344028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gelatin stabilized dry tablet streptokinase-streptodornase composition
Assignee: Wyeth Holdings LLC
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Filing: 1964-02-11
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Granted: 1967-09-26
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Expires: 1984-02-11
Abstract
No abstract record available.
Inventors
- 👤 Personeus Gordon Rowland
- 👤 Hawkins Samuel Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:51
CPC Classifications
A; A61; A61K; A61K38/00; A61K38/16; A61K38/164; A61K38/166
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
50 words
THE METHOD OF INCREASING THE STABILITY OF STREPTOKINASE-STREPTODORNASE TABLETS WHICH COMPRISES ADDING A LIQUID GELATIN SOLUTION TO A LIQUID SOLUTION CONTAINING THE ENZYMES STREPTOKINASE AND STREPTODORNASE EQUIVALENT TO ABOUT 5% BASED ON THE WEIGHT OF THE TOTAL SOLIDS IN THE ENZYME SOLUTION, AND THEREAFTER HEATING THE RESULTING SOLUTION TO DRYNESS.
Claim 2
Independent Claim
50 words
THE METHOD OF INCREASING THE STABILITY OF STREPTOKINASE-STREPTODORNASE TABLETS WHICH COMPRISES ADDING A LIQUID GELATIN SOLUTION TO A LIQUID SOLUTION CONTAINING THE ENZYMES STREPTOKINASE AND STREPTODORNASE EQUIVALENT TO ABOUT 5% BASED ON THE WEIGHT OF THE TOTAL SOLIDS IN THE ENZYME SOLUTION, AND THEREAFTER HEATING THE RESULTING SOLUTION TO DRYNESS.
References Cited (Backward Citations)
US2930736A
Cited
US3019167A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |