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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
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Abstract

No abstract record available.

Inventors

  • 👤 Edmund P Bass

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 17:52
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

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