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

Serving leading biopharmaceutical companies globally:

Johnson and Johnson
US Department of Justice
Farmers Insurance

Generated: December 12, 2017

DrugPatentWatch Database Preview

Details for Patent: RE34672

« Back to Dashboard

Summary for Patent: RE34672

Title: Pharmaceutical composition containing a stable modification of torasemide
Abstract:The present invention provides a process for the preparation of cystalline torasemide in the pure modification I (monoclinic, space group P2.sub.1 /c, melting point 162.degree. C.) from torasemide of modification II (monoclinic, space group P2/n, melting point 169.degree. C.), wherein a suspension of torasemide of modification II is stirred in water with the addition of a catalytic amount of modification I until the rearrangement is complete. The present invention also provides pharmaceutical compositions containing torasemide of modification I.
Inventor(s): Topfmeier; Fritz (Heidelberg, DE), Lettenbauer; Gustav (Lampertheim, DE)
Assignee: Boehringer Mannheim GmbH (Mannheim, DE)
Application Number:08/043,631
Patent Claim Types:
see list of patent claims
Composition; Dosage form; Use;

No matches for this query

Foreign Priority and PCT Information for Patent: RE34672

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Germany3529529Aug 17, 1985

International Patent Family for Patent: RE34672

Country Document Number Estimated Expiration Supplementary Protection Certificate SPC Country SPC Expiration
Austria49196► Subscribe
Australia573454► Subscribe
Australia6105586► Subscribe
Canada1307277► Subscribe
Czechoslovakia259891► Subscribe
Czechoslovakia8605945► Subscribe
Czechoslovakia9104199► Subscribe
German Democratic Republic259858► Subscribe
Germany3529529► Subscribe
Germany3667970► 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:

Farmers Insurance
Cantor Fitzgerald
Fish and Richardson
Harvard Business School
Boehringer Ingelheim
Johnson and Johnson

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: