Patent US3783098A successfully refreshed from Google Patents.
US3783098A
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Highly potent,viable and stable cellfree virus preparations from cells infected with cell-associated viruses and method for obtaining the same
Assignee: Cornell Research Foundation Inc
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Filing: 1971-08-10
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Granted: 1974-01-01
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Expires: 1991-08-10
Abstract
Abstract VIABLE, STABLE, CELL-FREE VIRUS SUSPENSIONS HAVING A HIGH TITER ARE OBTAINED FROM CELLS INFECTED WITH CELL-ASSOCIATED VIRUS BY EXTRACTING THE VIRUS IN THE PRESENCE OF A STABILIZING AGENT. THE VIRUSES SO PRODUCED MAY BE LYOPHILIZED TO FORM A VIABLE STORAGE-STABLE VIRUS USEFUL AS A VACCINE.
Inventors
- 👤 B Calnek
- 👤 S Hitchner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:27
CPC Classifications
A; A61; A61K; A61K39/00; A61K39/12; A61K39/245; A61K39/255; C; C12; C12N; C12N7/00; A61K2039/55; A61K2039/552; C12N2710/00; C12N2710/00011; C12N2710/16011; C12N2710/16311; C12N2710/16334; C12N2710/16411; C12N2710/16451
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-12-31 | 1977-07-02 | 1978-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-31 | 1981-07-02 | 1982-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-31 | 1985-07-02 | 1986-01-01 | $7700.00 | Window Closed / Lapsed |