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Serving leading biopharmaceutical companies globally:

AstraZeneca
Fish and Richardson
Federal Trade Commission
Mallinckrodt
UBS
Healthtrust
Cipla
Boehringer Ingelheim
Baxter
Fuji

Generated: February 21, 2018

DrugPatentWatch Database Preview

Details for Patent: 4,939,130

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Summary for Patent: 4,939,130
Title: Substituted alkanediphosphonic acids and pharmaceutical use
Abstract:Alkanediphosphonic acids, in particular heteroarylalkanediphosphonic acids of formula ##STR1## wherein R.sub.1 is a 5-membered heteroaryl radical which may be fused with benzene or cyclohexene nuclei and which contains, as hetero atoms, 2 to 4 N-atoms or 1 or 2 N-atoms as well as 1 O- or S-atom, and which is unsubstituted or C-substituted by lower alkyl, phenyl or phenyl which is substituted by lower alkyl, lower alkoxy and/or halogen, or by lower alkoxy, hydroxy, di-lower alkylamino, lower alkylthio and/or halogen, and/or is N-substituted at a N-atom which is capable of substitution by lower alkyl, lower alkoxy and/or halogen, and R.sub.2 is hydrogen, hydroxy, amino, lower alkylthio or halogen, and salts thereof, have regulatory action on calcium metabolism and can be used as medicaments for the treatment of diseases associated with impairment of calcium metabolism. The compounds are obtained for example by converting, in a compound of formula ##STR2## wherein X.sub.1 is a functionally modified phosphono group and X.sub.2 is a free or functionally modified phosphono group, X.sub.1 and, if appropriate X.sub.2, into the free phosphono group.
Inventor(s): Jaeggi; Knut A. (Basel, CH), Widler; Leo (Muchenstein, CH)
Assignee: Ciba-Geigy Corporation (Ardsley, NY)
Application Number:07/315,962
Patent Claim Types:
see list of patent claims
Compound; Use; Composition;

Drugs Protected by US Patent 4,939,130

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted
Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use Patent Submitted

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Foreign Priority and PCT Information for Patent: 4,939,130

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
Switzerland4666/86Nov 21, 1986

International Patents Family Members for US Patent 4,939,130

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Australia 607722 ➤ Sign Up
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Canada 1338937 ➤ Sign Up
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Germany 10199052 ➤ Sign Up
Germany 3776880 ➤ Sign Up
Denmark 174098 ➤ Sign Up
Denmark 609587 ➤ Sign Up
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Serving hundreds of leading biopharmaceutical companies globally:

Citi
Dow
Moodys
Cipla
Teva
UBS
McKesson
Cantor Fitzgerald
Julphar

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