US3624218A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for suppressing foot-and-mouth disease virus
Assignee: Hercules LLC
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Filing: 1970-07-10
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Granted: 1971-11-30
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Expires: 1990-07-10
Abstract
Abstract Certain water-soluble copolymers prepared from divinyl ether and maleic anhydride have been found to suppress foot-and-mouth disease virus growth in cloven-footed animals.
Inventors
- 👤 William Regelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:16
CPC Classifications
A; A61; A61K; A61K31/00; A61K31/74; A61K31/765; C; C08; C08F; C08F22/00; C08F22/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
75 words
A process of suppressing pathogenic foot-and-mouth disease virus which comprises inoculating cloven-footed animals with at least one dosage of from about 0.5 to 300 mg./kg. of body weight of an antiviral agent selected from divinyl ether-maleic anhydride copolymers and physiologically tolerated salts of divinyl ether-maleic anhydride copolymers, said copolymers containing divinyl ether and maleic anhydride in a mole ratio of about 1:2 and having a reduced specific viscosity of from about 0.04 to about 1.8.
References Cited (Backward Citations)
US3224943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-29 | 1975-05-31 | 1975-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-29 | 1979-05-31 | 1979-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-29 | 1983-05-31 | 1983-11-30 | $7700.00 | Window Closed / Lapsed |