Patent US4039656A successfully refreshed from Google Patents.
US4039656A
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US
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Production of attenuated viruses
Assignee: Bayer AG
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Filing: 1975-01-29
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Granted: 1977-08-02
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Expires: 1995-01-29
Abstract
Abstract There is disclosed novel non-antigenic attenuated viruses which non-specifically stimulate the natural defense mechanism of a host organism with a detectable non-specific induction of interferon; to methods for their production and to their use for the prophylaxis and treatment of viral and bacterial infections in human and veterinary medicine. The aforesaid term "non-antigenic attenuated virus" in this application means "an attenuated virus being incapable to cause an immunological cross-reaction with the original virus".
Inventors
- 👤 Otto-Christian Straub
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:21
CPC Classifications
A; A61; A61K; A61K35/00; A61K35/66; A61K35/76; C; C12; C12N; C12N2710/00; C12N2710/00011; C12N2710/16011; C12N2710/16711; C12N2710/16732; C12N2710/16761; C12N2710/16764
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
81 words
A pharmaceutical composition containing as an active ingredient attenuated IPV virus which causes no immunological cross-reaction with unattenuated IPV virus and which stimulates the natural defense mechanism of cattle with a detectable non-specific induction of interferon and which is suitable for the prophylaxis and treatment of respiratory and genital tract infections in cattle, in admixture with a pharmaceutically acceptable diluent, wherein said active ingredient is contained in an amount equivalent to 10 4 to 10 8 CiD 50 units/ml of virus.
Claim 2
Dependent Claim
81 words
A pharmaceutical composition containing as an active ingredient attenuated IPV virus which causes no immunological cross-reaction with unattenuated IPV virus and which stimulates the natural defense mechanism of cattle with a detectable non-specific induction of interferon and which is suitable for the prophylaxis and treatment of respiratory and genital tract infections in cattle, in admixture with a pharmaceutically acceptable diluent, wherein said active ingredient is contained in an amount equivalent to 10 4 to 10 8 CiD 50 units/ml of virus.
Claim 3
Dependent Claim
28 words
A pharmaceutical composition in accordance with claim 1 as a medicament in the form of one of the group consisting of tablets, pills, dragees, capsules, ampoules and suppositories.
Claim 4
Dependent Claim
19 words
A pharmaceutical composition in accordance with claim 1 in the form of a sterile isotonic or buffered aqueous solution.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-08-01 | 1981-01-31 | 1981-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-08-01 | 1985-01-31 | 1985-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-08-01 | 1989-01-31 | 1989-08-02 | $7700.00 | Window Closed / Lapsed |