Patent US6679903B2 successfully refreshed from Google Patents.
US3676298A
Expired / Lapsed
US
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Process for the treatment of organs to be used as grafts,notably animal or human corneas
Assignee: Bpifrance Financement SA
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Filing: 1970-06-20
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Granted: 1972-07-11
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Expires: 1990-06-20
Abstract
Abstract THE INVENTION RELATES TO THE TREATMENT OF CORNEAS REMOVED FROM HUMAN BEINGS OR ANIMALS AND ADAPTED TO BE SUBSEQUENTLY GRAFTED. ACCORDING TO THE PROCESS OF THE INVENTION, PRODUCTS CAPABLE OF ESTABLISHING BRIDGE-LINKS BETWEEN THE PROTEIN MOLECULES OF THE CORNEAS ARE USED TO TREAT EXCISED CORNEAS TO REDUCE THE CAPACITY OF INFLATION OF SAID CORNEAS WHEN THEY HAVE BEEN GRAFTED WHIEL RETAINING THEIR TRANSPARENCY. THESE PRODUCTS ARE NOTABLY DIALDEHYDES. THE INVENTION APPLIES MORE PARTICULARLY TO TRANSFIXION GRAFTS FOR THE SURGICAL TREATMENT OF FISTULA CORNEAS, PTERYGIUM AND ESPECIALLY CHRONIC EDEMA OF THE CORNEA.
Inventors
- 👤 Madeleine Csanadi Moczar
- 👤 Elemer Moczar
- 👤 Paul Bertrand Payrau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:51
CPC Classifications
A; A01; A01N; A01N1/00; A01N1/10; A01N1/12; A01N1/122; A01N1/126
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) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |