US3065140A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heparin derivatives and methods of preparing same
Assignee: Sanofi Aventis France
•
Filing: 1959-07-02
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Granted: 1962-11-20
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Expires: 1979-07-02
Abstract
No abstract record available.
Inventors
- 👤 Leon Velluz
- 👤 Gerard Nomine
- 👤 Andre Pierdet
- 👤 Genevieve Rousseau
- 👤 Dr Lucien Penasse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:05
CPC Classifications
C; C08; C08B; C08B37/00; C08B37/006; C08B37/0063; C08B37/0075
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF N-DESULFOHEPARIN AND N-ACYL-N-DESULFOHEPARIN WHEREIN THE ACYL RADICAL IS SELECTED FROM THE GROUP CONSISTING OF ARYLALKANOYL, ARYLOYL AND ARYLSULFONOYL RADICALS HAVING 7 TO 11 CARBON ATOMS AND LOWER ALKANOYL RADICALS AND THEIR NON-TOXIC SALTS.
Claim 2
Dependent Claim
41 words
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF N-DESULFOHEPARIN AND N-ACYL-N-DESULFOHEPARIN WHEREIN THE ACYL RADICAL IS SELECTED FROM THE GROUP CONSISTING OF ARYLALKANOYL, ARYLOYL AND ARYLSULFONOYL RADICALS HAVING 7 TO 11 CARBON ATOMS AND LOWER ALKANOYL RADICALS AND THEIR NON-TOXIC SALTS.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-19 | 1966-05-21 | 1966-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-19 | 1970-05-21 | 1970-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-19 | 1974-05-21 | 1974-11-20 | $7700.00 | Window Closed / Lapsed |