US3775403A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Diphenyl sulfones
Assignee: Merck and Co Inc
•
Filing: 1970-09-17
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Granted: 1973-11-27
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Expires: 1990-09-17
Abstract
Abstract NEW SUTSTITUTED 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; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/81; C07D213/82; A; A23; A23K; A23K20/00; A23K20/10; A23K20/111; A23K20/116; A23K20/121; A23K20/132; C07D207/00; C07D207/02; C07D207/30; C07D207/34; C07D307/00; C07D307/02; C07D307/34; C07D307/56; C07D307/68
Claims Analysis
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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) | 1976-11-26 | 1977-05-28 | 1977-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-11-26 | 1981-05-28 | 1981-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-11-26 | 1985-05-28 | 1985-11-27 | $7700.00 | Window Closed / Lapsed |