US3715375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
New diphenyl sulfones
Assignee: Merck and Co Inc
•
Filing: 1970-09-17
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Granted: 1973-02-06
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Expires: 1990-09-17
Abstract
Abstract New substituted diphenyl sulfones useful in reducing mortality and decreasing lesion incidence of poultry exposed to Marek''s disease are disclosed.
Inventors
- 👤 T Shen
- 👤 W Ruyle
- 👤 M Fordice
- 👤 N Jensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:22
CPC Classifications
C; C07; C07D; C07D207/00; C07D207/02; C07D207/30; C07D207/32; C07D207/33; C07D207/335; C07C; C07C317/00; C07C317/26; C07C317/32; C07C317/34; C07C317/38; C07C317/42; C07D207/337; C07D207/34; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/81; C07D213/82; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/22; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4062; C07F9/4065
Claims Analysis
Total Claims: 0
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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) | 1976-02-06 | 1976-08-07 | 1977-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-06 | 1980-08-07 | 1981-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-06 | 1984-08-07 | 1985-02-06 | $7700.00 | Window Closed / Lapsed |