Patent US3793150A successfully refreshed from Google Patents.
US3793150A
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US
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Equine strangles vaccine and method of preparing and using the same
Assignee: Richardson Vicks Inc
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Filing: 1971-01-20
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Granted: 1974-02-19
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Expires: 1991-01-20
Abstract
Abstract A vaccine effective in immunizing equines against infection by virulent strains of S. equi may be prepared by extraction of S. equi bacteria to recover a proteinaceous antigen. The invention includes the vaccine, its method of preparation, and the immunization of equines therewith by intramuscular inoculation.
Inventors
- 👤 M Usdin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:19
CPC Classifications
A; A61; A61K; A61K39/00; A61K39/02; A61K39/09; A61K39/092; Y; Y10; Y10S; Y10S424/00; Y10S424/829; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/885
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
A method in accordance with claim 1 in which the antigen is extracted from the isolated bacterial cells by heating at 90* to 95* C. at a pH of 2.0 for approximately 10 minutes with agitation.
Claim 2
Dependent Claim
40 words
A method in accordance with claim 1 in which the Streptococcus equi bacteria are killed immediately after they have reached the desired degree of growth to kill the bacteria and destroy the proteinases and halt the further development of proteinases.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-18 | 1977-08-20 | 1978-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-18 | 1981-08-20 | 1982-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-18 | 1985-08-20 | 1986-02-19 | $7700.00 | Window Closed / Lapsed |