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Details for Patent: 6,933,395

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Patent 6,933,395 protects ANGELIQ, YAZ, and YASMIN, and is included in three NDAs. There have been zero Paragraph IV challenges on Angeliq, , and Yaz.

This patent has forty-four patent family members in twenty-five countries.

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;
Patent Metrics:
Source: PatentQuant.com
Field: Not categorized
Back Citations: 13th percentile
Forward Citations: 0th percentile

Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Bayer Hlthcare
ANGELIQ
drospirenone; estradiol
TABLET;ORAL021355-002Sep 28, 2005RXYes6,933,395► subscribeY
Bayer Hlthcare
YAZ
drospirenone; ethinyl estradiol
TABLET;ORAL021676-001Mar 16, 2006RXYes6,933,395► subscribeY
Bayer Hlthcare
YASMIN
drospirenone; ethinyl estradiol
TABLET;ORAL-28021098-001May 11, 2001RXYes6,933,395► subscribeY
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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

Non-Orange Book Patents for Patent: 6,933,395

For Orange Book-listed patents (shown in the main table above) generic applications must certify that the listed patents are expired, invalid, or will not be infringed by generic entry.

The non-Orange Book patents listed below do not require formal certifications, so they do not automatically impede generic entry. Instead, they represent potential opportunities for branded firms to block generic entry through patent infringment challenges.

Patent No. Title Estimated Patent Expiration
6,121,465 Process for production drospirenone and intermediate products of the process► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Because of the complexity of determining patent expiration dates it is advisable to have patent counsel verify freedom to operate.

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International Patent Family for Patent: 6,933,395

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria215557► subscribe
Austria420098► subscribe
Austria446966► subscribe
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The estimated expiration dates shown above are derived by simply adding 20 years to the priority date.
Due to the complexity of determining patent expirations even in a single country, compounded by the diversity of global patent laws, it is advisable to have patent counsel verify freedom to operate.

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Drugs may be covered by multiple patents or regulatory protections. All trademarks and applicant names are the property of their respective owners or licensors. Although great care is taken in the proper and correct provision of this service, thinkBiotech LLC does not accept any responsibility for possible consequences of errors or omissions in the provided data. The data presented herein is for information purposes only. There is no warranty that the data contained herein is error free. thinkBiotech performs no independent verifification of facts as provided by public sources nor are attempts made to provide legal or investing advice. Any reliance on data provided herein is done solely at the discretion of the user. Users of this service are advised to seek professional advice and independent confirmation before considering acting on any of the provided information. thinkBiotech LLC reserves the right to amend, extend or withdraw any part or all of the offered service without notice.

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