Details for Patent: 4,822,807

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Summary for Patent: 4,822,807

Patent landscape, scope, and claims:

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:	07/111,439
Patent Claim Types: see list of patent claims	Composition;
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Drugs Protected by US Patent 4,822,807

Glossary

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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: 4,822,807

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
Germany	3529529	Aug 17, 1985

International Family Members for US Patent 4,822,807

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	49196	⤷ Subscribe
Australia	573454	⤷ Subscribe
Australia	6105586	⤷ Subscribe
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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