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US3968242A
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Sulfonamidoaminopropiophenone interceptive process
Assignee: Mead Johnson and Co LLC
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Filing: 1974-08-26
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Granted: 1976-07-06
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Expires: 1994-08-26
Abstract
Abstract A process for interrupting pregnancy is disclosed which comprises administration to a mammal an interceptive agent selected from a group of sulfonamidoaminopropiophenones. Illustrative of sulfonamidoaminopropiophenone interceptive agents useful in the process of the present invention for interrupting pregnancy are 4'-[3-(benzylmethylamino)propionyl]methanesulfonanilide and 4'-(3-hexamethyleniminopropionyl)methanesulfonanilide.
Inventors
- 👤 Duane G. Gallo
- 👤 William T. Comer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:13
CPC Classifications
C; C07; C07D; C07D295/00; C07D295/04; C07D295/10; C07D295/104; C07D295/108; A; A61; A61K; A61K31/00; A61K31/16; A61K31/18
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
95 words
A process for interrupting pregnancy in a pregnant female mammal capable of resorbing an implanted fertilized ovum comprising orally or parenterally administering to said mammal an interceptive agent during the interceptive stage in an effective dose to cause resorption of said implanted fertilized ovum and said interceptive agent is a p-sulfonamidoaminopropiophenone of the formula ##SPC3## or a pharmaceutically acceptable acid addition salt thereof wherein R 1 is methyl or ethyl; R 2 is methyl; and R 3 is lower alkyl of 1 to 5 carbon atoms inclusive or aralkyl up to 10 carbon atoms inclusive.
Claim 2
Dependent Claim
95 words
A process for interrupting pregnancy in a pregnant female mammal capable of resorbing an implanted fertilized ovum comprising orally or parenterally administering to said mammal an interceptive agent during the interceptive stage in an effective dose to cause resorption of said implanted fertilized ovum and said interceptive agent is a p-sulfonamidoaminopropiophenone of the formula ##SPC3## or a pharmaceutically acceptable acid addition salt thereof wherein R 1 is methyl or ethyl; R 2 is methyl; and R 3 is lower alkyl of 1 to 5 carbon atoms inclusive or aralkyl up to 10 carbon atoms inclusive.
Claim 3
Dependent Claim
16 words
The process of claim 1 wherein said effective dose is 20 to 500 mg./kg. body weight.
Claim 4
Dependent Claim
11 words
The process of claim 1 wherein said interceptive agent is 4'-[3-(benzylmethylamino)propionyl]methanesulfonanilide.
Claim 5
Dependent Claim
12 words
The process of claim 1 wherein said interceptive agent is 4'-[3-(benzylmethylamino)propionyl]methanesulfonanilide hydrochloride.
Claim 6
Dependent Claim
11 words
The process of claim 1 wherein said interceptive agent is 4'-(3-dimethylaminopropionyl)methanesulfonanilide.
Claim 7
Dependent Claim
12 words
The process of claim 1 wherein said interceptive agent is 4'-(3-dimethylaminopropionyl)methanesulfonanilide hydrochloride.
References Cited (Backward Citations)
US3341584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-07-06 | 1980-01-05 | 1980-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-07-06 | 1984-01-05 | 1984-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-07-06 | 1988-01-05 | 1988-07-06 | $7700.00 | Window Closed / Lapsed |