US3792010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plasticized polyester sutures
Assignee: Ethicon Inc
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Filing: 1972-03-27
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Granted: 1974-02-12
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Expires: 1992-03-27
Abstract
Abstract A POLY (L(-) LACTIDE-CO-GLYCOLIDE) OBTAINED BY POLYMERIZING FROM 10 TO 15 MOL PERCENT OF L(-) LACTIDE AND FROM 85 TO 90 MOLE PERCENT OF GLYCOLIDE IS PLASTICIZED WITH FROM ABOUT 10 WEIGHT PERCENT TO ABOUT 15 WEIGHT PERCENT OF BIS-2-METHOXYETHYL PHTHALATE AND EXTRUDED TO FORM FLEXIBLE MONOFILAMENTS THAT ARE STERILIZED WITH ETHYLENE OXIDE. THE STERILE MONOFILAMENTS SUTURES HAVE A STRAIGHT TENSILE STRENGTH OF ABOUT 65,000 TO 72,000 P.S.I.; AND A YOUNG''S MODULUS OF FROM ABOUT 4.5X10**5 P.S.I. TO ABOUT 6.8X10**5 P.S.I. THE SUTURES RETAIN UP TO ABOUT 37 PERCENT OF THEIR ORIGINAL TENSILE STRENGTH FOR FIFTEEN DAYS WHEN IMPLANTED IN LIVING ANIMAL TISSUE.
Inventors
- 👤 D Wasserman
- 👤 A Levy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:39
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/06; C08G63/08; A; A61; A61L; A61L17/00; A61L17/06; A61L17/10; A61L17/12; C08K; C08K5/00; C08K5/04; C08K5/10; C08K5/12
Claims Analysis
Total Claims: 0
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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) | 1977-02-11 | 1977-08-13 | 1978-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-11 | 1981-08-13 | 1982-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-11 | 1985-08-13 | 1986-02-12 | $7700.00 | Window Closed / Lapsed |