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Last Updated: March 19, 2024

Details for Patent: 3,927,046


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Summary for Patent: 3,927,046
Title: Novel 11,11-alkylidene steroids
Abstract:The invention relates to novel 11,11-alkylidene steroids of the estrane and (19-nor-)pregnane series having a double bond starting from carbon atom 5, the alkylidene group in 11-position having the formula ##EQU1## wherein R.sub.1 and R.sub.2 are hydrogen or an alkyl group having 1-2 C-atoms, and to processes for their preparation. The novel compounds have very interesting biological activities, such as anabolic, androgenic, estrogenic, progestative, anti-androgenic, anti-oestrogenic, ovulation-inhibiting and gonad-inhibiting activities.
Inventor(s): van den Broek; Albertus Joannes (Oss, NL)
Assignee: Akzona Incorporated (Asheville, NC)
Application Number:05/420,823
Patent Claim Types:
see list of patent claims
Compound;

Drugs Protected by US Patent 3,927,046

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

Foreign Priority and PCT Information for Patent: 3,927,046

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Netherlands7216767Dec 9, 1972
Netherlands7315704Nov 15, 1973

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