Details for Patent: 4,377,584
✉ Email this page to a colleague
Summary for Patent: 4,377,584
| Title: | 4-Aza-17.beta.-substituted-5.alpha.-androstan-3-one-reductase inhibitors |
| Abstract: | 4-Aza-17.beta.-substituted-5.alpha.-androstan-3-ones and their A-homo analogs of the formula: ##STR1## where Formula (I) may also have the structure of partial Formulas (II) and/or (III); and pharmaceutically acceptable salts of the above compounds are active as testosterone 5.alpha.-reductase inhibitors, and thus useful topically for treatment of acne, seborrhea, female hirsutism, and systemically in treatment of benign prostatic hypertrophy. |
| Inventor(s): | Rasmusson; Gary H. (Watchung, NJ), Johnston; David B. R. (Warren, NJ), Arth, deceased; Glen E. (late of Cranford, NJ) |
| Assignee: | Merck & Co., Inc. (Rahway, NJ) |
| Application Number: | 06/189,981 |
|
Patent Claim Types: see list of patent claims | Compound; Use; Dosage form; Composition; |
Drugs Protected by US Patent 4,377,584
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | TE | Type | RLD | RS | Patent No. | Patent Expiration | Product | Substance | Delist Req. | Patented / Exclusive Use | Submissiondate |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| >Applicant | >Tradename | >Generic Name | >Dosage | >NDA | >Approval Date | >TE | >Type | >RLD | >RS | >Patent No. | >Patent Expiration | >Product | >Substance | >Delist Req. | >Patented / Exclusive Use | >Submissiondate |
International Family Members for US Patent 4,377,584
| Country | Patent Number | Estimated Expiration | Supplementary Protection Certificate | SPC Country | SPC Expiration |
|---|---|---|---|---|---|
| Argentina | 222390 | ⤷ Try a Trial | |||
| Argentina | 222391 | ⤷ Try a Trial | |||
| Argentina | 224011 | ⤷ Try a Trial | |||
| Argentina | 225045 | ⤷ Try a Trial | |||
| Argentina | 228037 | ⤷ Try a Trial | |||
| >Country | >Patent Number | >Estimated Expiration | >Supplementary Protection Certificate | >SPC Country | >SPC Expiration |
