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DrugPatentWatch

DrugPatentWatch concentrates deep knowledge on more than 6,400 small-molecule drugs and 2,300 generic ingredients from 1,700 branded and generic pharmaceutical companies and 700 suppliers, and more than 4,400 active and expired US patents and 74,000 international patents spanning 93 countries and regional patent offices.

Patent: 5,298,520

Summary for Patent: 5,298,520

Title: Triazole containing indole derivatives
Abstract:A class of substituted imidazole, triazole and tetrazole derivatives are selective agonists of 5-HT.sub.1 -like receptors and are therefore useful in the treatment of clinical conditions, in particular migraine and associated disorders, for which a selective agonist of these receptors is indicated.
Inventor(s): Baker; Raymond (Much Hadham, GB2), Matassa; Victor G. (Furneux Pelham, GB2), Street; Leslie J. (Harlow, GB2)
Assignee: Merck Sharp & Dohme Limited (Hertfordshire, GB2)
Application Number:07/827,187
Patent Claim Types:
see list of patent claims
Compound; Composition; Use;
Patent PDF download available with subscription

Glossary
Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Product Substance Delist_Flag Patent Expiration Patented / Exclusive Use
Merck
MAXALT-MLT
rizatriptan benzoate
TABLET, ORALLY DISINTEGRATING; ORAL020865Jun 29, 1998RXYes5,298,520*PED<disabled>
Merck
MAXALT-MLT
rizatriptan benzoate
TABLET, ORALLY DISINTEGRATING; ORAL020865Jun 29, 1998RXNo5,298,520*PED<disabled>
Merck
MAXALT
rizatriptan benzoate
TABLET; ORAL020864Jun 29, 1998RXYes5,298,520*PED<disabled>
Merck
MAXALT
rizatriptan benzoate
TABLET; ORAL020864Jun 29, 1998RXNo5,298,520*PED<disabled>
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Foreign Priority and PCT Information for Patent: 5,298,520

Foriegn Application Priority Data
Foreign Country Foreign Patent Number Foreign Patent Date
United Kingdom9102222Feb 01, 1991
United Kingdom9106917Apr 03, 1991
United Kingdom9113415Jun 21, 1991
United Kingdom9122451Oct 23, 1991

International Patent Family for Patent: 5,298,520

Country Document Number Publication Date
Austria158582Oct 15, 1997
Australia1068092Aug 06, 1992
Australia644939Dec 23, 1993
Bulgaria62024Dec 30, 1998
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