US2778769A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heparin-aminobenzoate compositions
Assignee: Wyeth Holdings LLC
•
Filing: 1951-11-03
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Granted: 1957-01-22
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Expires: 1971-11-03
Abstract
No abstract record available.
Inventors
- 👤 Fahrenbach Marvin Jay
- 👤 Burke Kenneth Austen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:19
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/006; C08B37/0063; C08B37/0075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A NEW COMPOSITION OF MATTER COMPRISING THE SOLID PRODUCT OBTAINED BY REACTING SUBSTANTIALLY EQUIVALENT AMOUNTS OF HEPARIN AND AN AMINOBENZOATE LOCAL ANESTHETIC HAVING THE FOLLOWING FORMULA
Claim 2
Dependent Claim
26 words
A NEW COMPOSITION OF MATTER COMPRISING THE SOLID PRODUCT OBTAINED BY REACTING SUBSTANTIALLY EQUIVALENT AMOUNTS OF HEPARIN AND AN AMINOBENZOATE LOCAL ANESTHETIC HAVING THE FOLLOWING 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) | 1960-01-22 | 1960-07-23 | 1961-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-22 | 1964-07-23 | 1965-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-22 | 1968-07-23 | 1969-01-22 | $7700.00 | Window Closed / Lapsed |