US3354038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Serial passaging tissue cultured canine distemper virus to form attenuated vaccine short of virus-antigenicity decreasing passages
Assignee: AFFILIATED LAB CORP
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Filing: 1964-12-02
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Granted: 1967-11-21
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Expires: 1984-12-02
Abstract
No abstract record available.
Inventors
- 👤 Edmund P Bass
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:11
CPC Classifications
A; A61; A61K; A61K39/00; A61K39/12; A61K39/155; A61K39/175; A61K2039/51; A61K2039/525; A61K2039/5254; A61K2039/55; A61K2039/552; C; C12; C12N; C12N2760/00; C12N2760/00011; C12N2760/18011; C12N2760/18411; C12N2760/18434
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
THE PROCESS OF PRODUCING A VACCINE FOR IMMUNIZING CANINES AGAINST CANINE DISTEMPER WHICH COMPRISES INTRODUCING AN INOCULUM OF CANINE DISTEMPER VIRUS CAPABLE OF PRODUCING A CYTOPATHOGENIC EFFECT INTO A NONTOXIC FLUID TISSUE CONTROL MEDIUM CONTAINING VIABLE CELLS OF TISSUE SELECTED FROM THE GROUP CONSISTING OF CANINE TISSUE AND FERRET TISSUE, INCUBATING SAID TISSUE CULTURE MEDIUM UNTIL MULTIPLICATION OF THE VIRUS HAS BEGUN AS CHARACTERIZED BY THE OCCURENCE OF CYTOPATHOGENIC EFFECT, AND THEREAFTER SEPARATING AN INOCULUM OF SAID VIRUS AND SERIALLY PASSING THE VIRUS THROUGH OTHER CULTURES FOR AT LEAST ABOUT 10 BUT NOT MORE THAN ABOUT 34 PASSAGES.
Claim 2
Dependent Claim
98 words
THE PROCESS OF PRODUCING A VACCINE FOR IMMUNIZING CANINES AGAINST CANINE DISTEMPER WHICH COMPRISES INTRODUCING AN INOCULUM OF CANINE DISTEMPER VIRUS CAPABLE OF PRODUCING A CYTOPATHOGENIC EFFECT INTO A NONTOXIC FLUID TISSUE CONTROL MEDIUM CONTAINING VIABLE CELLS OF TISSUE SELECTED FROM THE GROUP CONSISTING OF CANINE TISSUE AND FERRET TISSUE, INCUBATING SAID TISSUE CULTURE MEDIUM UNTIL MULTIPLICATION OF THE VIRUS HAS BEGUN AS CHARACTERIZED BY THE OCCURENCE OF CYTOPATHOGENIC EFFECT, AND THEREAFTER SEPARATING AN INOCULUM OF SAID VIRUS AND SERIALLY PASSING THE VIRUS THROUGH OTHER CULTURES FOR AT LEAST ABOUT 10 BUT NOT MORE THAN ABOUT 34 PASSAGES.
References Cited (Backward Citations)
US309011A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |