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Last Updated: March 19, 2024

Details for Patent: 6,933,395


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Summary for Patent: 6,933,395
Title: PROCESSING FOR PRODUCING OF DROSPIRENONE (6.beta., 7.beta., 15.beta., 16.beta.-DIMETHYLENE-3-OXO-17.alpha.-PREGN-4-EN-21, 17-CARBOLACTONE, DRSP) AS WELL AS 7.alpha.-(3-HYDOXY-1-PROPLY)-6.beta., 7.beta.; 15.beta., 16.beta.-DIMETHYLENE-5.beta.-ANDROSTANE-3.beta., 5,17.beta.-TRIOL(ZK 92836) AND 6.beta., 7.beta.; 15.beta., 16.beta.-DIMETHYLENE-5.beta.-HYDROXY
Abstract:Process for the production of drospirenone (6.beta.,7.beta.; 15.beta.,16.beta.-dimethylene-3-oxo-17.alpha.-pregn-4-ene-21,17-carbolacto ne, DRSP) (1) and 7.alpha.-(3-hydroxy-1-propyl)-6.beta.,7.beta.; 15.beta.,16.beta.-dimethylene-5.beta.-androstane-3.beta.,5,17.beta.-triol (ZK 92836) and 6.beta.,7.beta.; 15.beta.,16.beta.-dimethylene-5.beta.-hydroxy-3-oxo-17.alpha.-androstane-2 1,17-carbolactone (ZK 90965) as intermediate products of the process. ##STR1##
Inventor(s): Mohr; Jorg-Thorsten (Berlin, DE), Nickisch; Klaus (Berlin, DE)
Assignee: Schering AG (Berlin, DE)
Application Number:09/640,748
Patent Claim Types:
see list of patent claims
Composition; Compound; Process;

Drugs Protected by US Patent 6,933,395

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: 6,933,395

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany196 33 685Aug 12, 1996

International Family Members for US Patent 6,933,395

Country Patent Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria 215557 ⤷  Try a Trial
Austria 420098 ⤷  Try a Trial
Austria 446966 ⤷  Try a Trial
Australia 4014497 ⤷  Try a Trial
Australia 729149 ⤷  Try a Trial
Bulgaria 102976 ⤷  Try a Trial
>Country >Patent Number >Estimated Expiration >Supplementary Protection Certificate >SPC Country >SPC Expiration

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