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US3689671A
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P-AMINO-p{40 -UREIDODIPHENYL SULFONE IN TREATING MAREK{40 S DISEASE
Assignee: Merck and Co Inc
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Filing: 1970-08-12
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Granted: 1972-09-05
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Expires: 1990-08-12
Abstract
Abstract The use of p-amino-p''-ureidodiphenyl sulfone and soluble salts thereof in reducing mortality and decreasing lesion incidence of poultry exposed to Marek''s disease and to compositions comprising the p-amino-p''-ureidodiphenyl sulfone as the active ingredient are provided.
Inventors
- 👤 David B R Johnston
- 👤 Theodore A Maag
- 👤 Tsung-Ying Shen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:17
CPC Classifications
A; A23; A23K; A23K50/00; A23K50/70; A23K50/75; A61; A61K; A61K31/00; A61K31/095; A61K31/10; A61K31/16; A61K31/17; A61K31/63
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
32 words
The method for combatting Marek''s disease in poultry which comprises orally administering to poultry a feedstuff containing from about 0.0002 to 0.1 percent by weight of p-amino-p''-ureidodiphenyl sulfone or a salt thereof.
Claim 2
Independent Claim
32 words
The method for combatting Markek''s disease in poultry which comprises orally administering to poultry a feedstuff containing from about 0.001 to 0.01 percent by weight of p-amino-p''-ureidodiphenyl sulfone or a salt thereof.
Claim 3
Dependent Claim
25 words
A composition which comprises a poultry feedstuff having admixed therein from about 0.00005 to 0.2 percent by weight of p-amino-p''-ureidodiphenyl sulfone or a salt thereof.
Claim 4
Dependent Claim
25 words
A composition which comprises a poultry feedstuff having admixed therein from about 0.0002 to 0.1 percent by weight of p-amino-p''-ureidodiphenyl sulfone or a salt thereof.
Claim 5
Dependent Claim
25 words
A composition which comprises a poultry feedstuff having admixed therein from about 0.001 to 0.01 percent by weight of p-amino-p''-ureidodiphenyl sulfone or a salt thereof.
Claim 6
Dependent Claim
35 words
A poultry feed pre-mix composition which comprises a solid nutritive orally ingestible poultry feed additive having admixed therein from about 1 percent to about 5 percent by weight of p-amino-''-ureidodiphenyl sulfone or a salt thereof.
References Cited (Backward Citations)
US2328548A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-09-05 | 1976-03-06 | 1976-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-09-05 | 1980-03-06 | 1980-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-09-05 | 1984-03-06 | 1984-09-05 | $7700.00 | Window Closed / Lapsed |