Patent US3076748A successfully refreshed from Google Patents.
US3076748A
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Poliomyelitis virus attenuation with ultraviolet light and beta propiolactone
Assignee: Henry Ford Hospital
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Filing: 1957-04-03
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Granted: 1963-02-05
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Expires: 1977-04-03
Abstract
No abstract record available.
Inventors
- 👤 Grippo Gerald A Lo
- 👤 Eugene A Timm
- 👤 Alton R Taylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:48
CPC Classifications
A; A61; A61K; A61K39/00; A61K39/12; A61K39/125; A61K39/13; A61K2039/51; A61K2039/525; A61K2039/5252; C; C12; C12N; C12N2770/00; C12N2770/00011; C12N2770/32011; C12N2770/32611; C12N2770/32634; C12N2770/32661; Y; Y02; Y02A; Y02A50/00; Y02A50/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PROCESS FOR PRODUCING A POLIOMYELITIS VIRUS VACCINE WHICH COMPRISES SUBJECTING AQUEOUS FLUID CONTAINING LIVING POLIOMYELITIS VIRUS TO THE KILLING ACTION OF ULTRAVIOLET IRRADIATION AND THE KILLING ACTION OF BETA-PROPIOLACTONE SUCH THAT ONE OF SAID ACTIONS IS SUFFICIENT TO KILL A MAJOR PORTION OF THE LIVEIN POLIOMYELITIS VIRUS PRESENT IN THE FLUID AND THE OTHER OF SAID ACTIONS IN SUFFICIENT TO KIL ALL OF THE RESIDUAL LIVE POLIOMYELITIS VIRUS PRESENT IN THE FLUID, NEITHER ACTION TO THE EXTENT EMPLOYED BEING ALONG CAPABLE OF COMPLETELY KILLING ALL OF SAID LIVING VIRUS ORIGINALLY PRESENT IN THE FLUID.
Claim 2
Dependent Claim
95 words
A PROCESS FOR PRODUCING A POLIOMYELITIS VIRUS VACCINE WHICH COMPRISES SUBJECTING AQUEOUS FLUID CONTAINING LIVING POLIOMYELITIS VIRUS TO THE KILLING ACTION OF ULTRAVIOLET IRRADIATION AND THE KILLING ACTION OF BETA-PROPIOLACTONE SUCH THAT ONE OF SAID ACTIONS IS SUFFICIENT TO KILL A MAJOR PORTION OF THE LIVEIN POLIOMYELITIS VIRUS PRESENT IN THE FLUID AND THE OTHER OF SAID ACTIONS IN SUFFICIENT TO KIL ALL OF THE RESIDUAL LIVE POLIOMYELITIS VIRUS PRESENT IN THE FLUID, NEITHER ACTION TO THE EXTENT EMPLOYED BEING ALONG CAPABLE OF COMPLETELY KILLING ALL OF SAID LIVING VIRUS ORIGINALLY PRESENT IN THE FLUID.
References Cited (Backward Citations)
CA485066A
Cited
US2399443A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |