Patent US3415926A successfully refreshed from Google Patents.
US3415926A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Equine encephalomyelitis vaccine
Assignee: Wyeth LLC
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Filing: 1966-03-09
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Granted: 1968-12-10
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Expires: 1986-03-09
Abstract
No abstract record available.
Inventors
- 👤 Merlin B Hays
- 👤 James C Trace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:49
CPC Classifications
A; A61; A61K; A61K39/00; A61K39/12; A61K39/193; A61K2039/51; A61K2039/525; A61K2039/5252; A61K2039/55; A61K2039/552; A61K2039/70; C; C12; C12N; C12N2770/00; C12N2770/00011; C12N2770/36011; C12N2770/36111; C12N2770/36134; Y; Y10; Y10S; Y10S424/00; Y10S424/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
A METHOD OF PRODUCING A SEED VIRUS SUITABLE FOR USE IN PRODUCTION OF A KILLED TISSUE-CULTURE ORIGIN VIRUS VACCINE CAPABLE OF STIMULATING PRODUCTION IN A MAMMAL OF IMMUNIZING ANTI-BODIES PROTECTIVE AGAINST A VIRULENT VIRUS OF THE GROUP CONSISTING OF EASTERN AND WESTERN TYPES OF EQUINE ENCEPHALOMYELITIS WHICH COMPRISES SUBJECTING AN EGG-ADAPTED STRAIN OF VIRULENT VIRUS FROM THE GROUP CONSISTING OF EASTERN AND WESTERN TYPES OF EQUINE ENCEPHALOMYELITIS TO AT LEAST ONE INTRACEREBRALLY INOCULATED GUINEA PIG BRAIN PASSAGE AND AT LEAST THREE EMBRYONATED EGG PASSAGES, EACH GUINEA PIG BRAIN PASSAGE PRECEDING AND FOLLOWING AN EMBRYONATED EGG PASSAGE, AND THEREAFTER PASSING THE SO-CONDITIONED VIRUS THROUGH AT LEAST ONE IN VITRO TISSUE CULTURED CULTURE OF CELLS DERIVED FROM CHICK EMBRYOS, AND THEREAFTER RECOVERING A SUSPENSION OF SEED VIRUS.
Claim 2
Independent Claim
125 words
A METHOD OF PRODUCING A SEED VIRUS SUITABLE FOR USE IN PRODUCTION OF A KILLED TISSUE-CULTURE ORIGIN VIRUS VACCINE CAPABLE OF STIMULATING PRODUCTION IN A MAMMAL OF IMMUNIZING ANTI-BODIES PROTECTIVE AGAINST A VIRULENT VIRUS OF THE GROUP CONSISTING OF EASTERN AND WESTERN TYPES OF EQUINE ENCEPHALOMYELITIS WHICH COMPRISES SUBJECTING AN EGG-ADAPTED STRAIN OF VIRULENT VIRUS FROM THE GROUP CONSISTING OF EASTERN AND WESTERN TYPES OF EQUINE ENCEPHALOMYELITIS TO AT LEAST ONE INTRACEREBRALLY INOCULATED GUINEA PIG BRAIN PASSAGE AND AT LEAST THREE EMBRYONATED EGG PASSAGES, EACH GUINEA PIG BRAIN PASSAGE PRECEDING AND FOLLOWING AN EMBRYONATED EGG PASSAGE, AND THEREAFTER PASSING THE SO-CONDITIONED VIRUS THROUGH AT LEAST ONE IN VITRO TISSUE CULTURED CULTURE OF CELLS DERIVED FROM CHICK EMBRYOS, AND THEREAFTER RECOVERING A SUSPENSION OF SEED VIRUS.
References Cited (Backward Citations)
US2204064A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-10 | 1972-06-10 | 1972-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-10 | 1976-06-10 | 1976-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-10 | 1980-06-10 | 1980-12-10 | $7700.00 | Window Closed / Lapsed |