.

Deeper Knowledge, Faster

  • Analyze global market entry opportunities
  • Identify first generic entrants
  • Uncover prior art in expired and abandoned patents

Upgrade to enjoy subscriber-only features like email alerts and data export. See the Plans and Pricing

Serving leading biopharmaceutical companies globally:

Dow
Citi
Chinese Patent Office
Merck
Farmers Insurance
Medtronic
Mallinckrodt
Harvard Business School
Teva
Baxter

Generated: November 24, 2017

DrugPatentWatch Database Preview

Details for Patent: 3,927,046

« Back to Dashboard

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;

No matches for this query

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

International Patent Family for Patent: 3,927,046

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
AustriaA1032373► Subscribe
Austria367067► Subscribe
Australia6326373► Subscribe
Belgium808391► Subscribe
Canada1021318► Subscribe
Switzerland614453► Subscribe
Germany2361120► Subscribe
Denmark135047► Subscribe
Denmark293776► Subscribe
Denmark147405► Subscribe
This preview shows a limited data set
Subscribe for full access, or try a Trial

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.

Export unavailable in trial.
Subscribe for complete access.

For more information try a trial or see the database preview and plans and pricing

Serving leading biopharmaceutical companies globally:

Fish and Richardson
Federal Trade Commission
Boehringer Ingelheim
Chinese Patent Office
Novartis
Baxter
Cerilliant
Healthtrust
Argus Health
Daiichi Sankyo

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.

Copyright 2002-2017 thinkBiotech LLC
ISSN: 2162-2639

Secure SSL Encrypted
Privacy and Cookies
Terms & Conditions

Follow DrugPatentWatch:



Google
Twitter
Google Plus
botpot