Patent US3112246A successfully refreshed from Google Patents.
US3112246A
Expired / Lapsed
US
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Stabilization of heparin preparations
Assignee: F Hoffmann La Roche AG
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Filing: 1960-09-13
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Granted: 1963-11-26
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Expires: 1980-09-13
Abstract
No abstract record available.
Inventors
- 👤 Hermann Willy
- 👤 Sager Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:45
CPC Classifications
A; A61; A61K; A61K47/00; A61K47/06; A61K47/08; A61K47/10; A61K31/00; A61K31/70; A61K31/715; A61K31/726; A61K31/727; C; C08; C08B; C08B37/00; C08B37/006; C08B37/0063; C08B37/0075; C08B37/0078
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A METHOD FOR THE STABILIZATION OF HERPARIN COMPOSITIONS WHICH COMPRISES ADDING A SULFITE ION-FORMING SUBSTANCE TO A HEPARIN COMPOSITION AND STORING SAID COMPOSITION IN AN OXYGEN-FREE CONDITION.
Claim 2
Independent Claim
27 words
A METHOD FOR THE STABILIZATION OF HERPARIN COMPOSITIONS WHICH COMPRISES ADDING A SULFITE ION-FORMING SUBSTANCE TO A HEPARIN COMPOSITION AND STORING SAID COMPOSITION IN AN OXYGEN-FREE CONDITION.
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) | 1966-11-25 | 1967-05-27 | 1967-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-25 | 1971-05-27 | 1971-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-25 | 1975-05-27 | 1975-11-26 | $7700.00 | Window Closed / Lapsed |