US3080291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Serial passage of distemper virus in tissue cultures of chick embryo and canine tissue and vaccine therefrom
Assignee: JENSEN SALSBERG LAB Inc
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Filing: 1960-06-10
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Granted: 1963-03-05
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Expires: 1980-06-10
Abstract
No abstract record available.
Inventors
- 👤 Shyamal K Sinha
- 👤 Marshail Vincent
- 👤 Jr George M Stewart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:23
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
137 words
A METHOD OF PREPARING CANINE DISTEMPER VIRUS VACCINE WHICH COMPRISES PREPARING TISSUE CULTURES OF TRYPSINIZED CHICK EMBRYO TISSUE, INFECTED WITH NON-PATHOGENIC CANINE DISTEMPER VIRUS WHICH HAS BEEN ADAPTED TO GROW IN CHICK EMBRYOS, INCUBATING THE INOCULATED CHICK EMBRYO TISSUE CULTURES WITH REPLACEMENT OF THE CULTURE MEDIUM AT 3 TO 5 DAY INTERVALS WHILE THE CANINE DISTEMPER VIRUS IS PROLIFERATED IN SAID CHICK EMBRYO TISSUE AND LIBRATED INTO THE CULTURE FLUID, HARVESTING APORTION OF THE SAID CULTURE FLUID CONTAINING VIABLE CANINE DISTEMPER VIRUS AND INOCULATING TISSUE CULTURES OF CANINE TISSUE CELLS THEREWITH AND INCUBATING SAID INOCULATED TISSUE CULTURES WITH REPLACEMENT OF FLUID CULTURE MEDIA AT 2 TO 5 DAY INTERVALS UNTIL A CYTOPATHOGENIC EFFECT IS OBSERVED IN SAID CANINE TISSUE CELLS AND THEREAFTER REMOVING THE TISSUE CULTURE FLUID FROM SAID CULTURES AND PREPARING A CANINE DISTEMPER VACCINE THEREFROM.
Claim 2
Independent Claim
137 words
A METHOD OF PREPARING CANINE DISTEMPER VIRUS VACCINE WHICH COMPRISES PREPARING TISSUE CULTURES OF TRYPSINIZED CHICK EMBRYO TISSUE, INFECTED WITH NON-PATHOGENIC CANINE DISTEMPER VIRUS WHICH HAS BEEN ADAPTED TO GROW IN CHICK EMBRYOS, INCUBATING THE INOCULATED CHICK EMBRYO TISSUE CULTURES WITH REPLACEMENT OF THE CULTURE MEDIUM AT 3 TO 5 DAY INTERVALS WHILE THE CANINE DISTEMPER VIRUS IS PROLIFERATED IN SAID CHICK EMBRYO TISSUE AND LIBRATED INTO THE CULTURE FLUID, HARVESTING APORTION OF THE SAID CULTURE FLUID CONTAINING VIABLE CANINE DISTEMPER VIRUS AND INOCULATING TISSUE CULTURES OF CANINE TISSUE CELLS THEREWITH AND INCUBATING SAID INOCULATED TISSUE CULTURES WITH REPLACEMENT OF FLUID CULTURE MEDIA AT 2 TO 5 DAY INTERVALS UNTIL A CYTOPATHOGENIC EFFECT IS OBSERVED IN SAID CANINE TISSUE CELLS AND THEREAFTER REMOVING THE TISSUE CULTURE FLUID FROM SAID CULTURES AND PREPARING A CANINE DISTEMPER VACCINE THEREFROM.
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) | 1966-03-04 | 1966-09-03 | 1967-03-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-04 | 1970-09-03 | 1971-03-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-04 | 1974-09-03 | 1975-03-05 | $7700.00 | Window Closed / Lapsed |