US3143470A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rabies virus propagation in embryonic cells maintained in a medium containing pancreatic digest of casein
Assignee: Parke Davis and Co LLC
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Filing: 1961-04-24
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Granted: 1964-08-04
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Expires: 1981-04-24
Abstract
No abstract record available.
Inventors
- 👤 Burton I Wilner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:53
CPC Classifications
A; A61; A61K; A61K39/00; A61K39/12; A61K39/205; A61K2039/51; A61K2039/525; A61K2039/5254; C; C12; C12N; C12N2760/00; C12N2760/00011; C12N2760/20011; C12N2760/20111; C12N2760/20134
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
PROCESS FOR THE PRODUCTION OF CULTURE LIQUIDS CONTAINING LIVE RABIES VIRUS WHICH COMPRISES INCUBATING AN EMBRYONIC CELL MONOLAYER INFECTED WITH LIVE RABIES VIRUS IN A STERILE, PROTEIN-FREE, AQUEOUS, CELL-MAINTENANCE MEDIUM CONTAINING AT LEAST 0.3% BY WEIGHT OF PANCREATIC DIGEST OF CASEIN UNDER ASEPTIC CONDITIONS UNTIL A SUBSTANTIAL QUANTITY OF LIVE RABIES VIRUS IS PRESENT IN THE CULTURE LIQUID AND REMOVING THE CULTURE LIQUID CONTAINING THE LIVE RABIES VIRUS FROM THE INFECTED, INTACT, EMBRYONIC CELL MONOLAYER WITHOUT DISRUPTING THE MONOLAYER.
Claim 2
Dependent Claim
79 words
PROCESS FOR THE PRODUCTION OF CULTURE LIQUIDS CONTAINING LIVE RABIES VIRUS WHICH COMPRISES INCUBATING AN EMBRYONIC CELL MONOLAYER INFECTED WITH LIVE RABIES VIRUS IN A STERILE, PROTEIN-FREE, AQUEOUS, CELL-MAINTENANCE MEDIUM CONTAINING AT LEAST 0.3% BY WEIGHT OF PANCREATIC DIGEST OF CASEIN UNDER ASEPTIC CONDITIONS UNTIL A SUBSTANTIAL QUANTITY OF LIVE RABIES VIRUS IS PRESENT IN THE CULTURE LIQUID AND REMOVING THE CULTURE LIQUID CONTAINING THE LIVE RABIES VIRUS FROM THE INFECTED, INTACT, EMBRYONIC CELL MONOLAYER WITHOUT DISRUPTING THE MONOLAYER.
References Cited (Backward Citations)
US2912361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-08-04 | 1968-02-03 | 1968-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-04 | 1972-02-03 | 1972-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-04 | 1976-02-03 | 1976-08-04 | $7700.00 | Window Closed / Lapsed |