Patent US3098696A successfully refreshed from Google Patents.
US3098696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of sterile surgical suture collagen
Assignee: Wyeth Holdings LLC
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Filing: 1959-08-18
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Granted: 1963-07-23
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Expires: 1979-08-18
Abstract
No abstract record available.
Inventors
- 👤 Ball Edwin Lawrence
- 👤 Vitucci James Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:25
CPC Classifications
A; A61; A61L; A61L17/00; A61L17/06; A61L17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A METHOD OF STERILIZING SURGICAL STRUCTURE COLLAGEN WHICH COMPRISES IMMERSING THE GUT FROM WHICH THE SUTURES ARE TO BE MADE IN A WATER BATH HAVING THEREIN ABOUT 0.1% TO 5.0% BY VOLUME OF BETA-PROPIOLACTONE, THEREBY STERILIZING THE INTERIOR OF THE GUT, FORMING A STRUCTURE STRANS FROM SAID GUT, AND SEALING THE THUS FORMED SUTURES IN A TUBING FLUID COMPRISING BETA-PROPIOLACTONE.
Claim 2
Independent Claim
60 words
A METHOD OF STERILIZING SURGICAL STRUCTURE COLLAGEN WHICH COMPRISES IMMERSING THE GUT FROM WHICH THE SUTURES ARE TO BE MADE IN A WATER BATH HAVING THEREIN ABOUT 0.1% TO 5.0% BY VOLUME OF BETA-PROPIOLACTONE, THEREBY STERILIZING THE INTERIOR OF THE GUT, FORMING A STRUCTURE STRANS FROM SAID GUT, AND SEALING THE THUS FORMED SUTURES IN A TUBING FLUID COMPRISING BETA-PROPIOLACTONE.
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) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |