Last Updated: June 9, 2026

Details for Patent: 5,863,935

Name: Drug Patent Intelligence for US Patent 5863935
Creator: DrugPatentWatch
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Summary for Patent: 5,863,935

Title:	Therapeutic heterocyclic compounds
Abstract:	(I) (i) (ii) (iii) CH2CH2NR1R2 (iv) (v) (vi) The present invention is concerned with compounds of formula (I), wherein n is an integer of from 0 to 3: W is a group of formula (i), (ii), or (iii), wherein R is hydrogen or C1-4 alkyl, X is -O-, -S-, -NH-, or -CH2-, Y is oxygen or sulphur and the chiral center (*) in formula (i) or (ii) is in its (S) or (R) form or is a mixture thereof in any proportions: and Z is a group of formula (iv), (v), or (vi), wherein R1 and R2 are independently selected from hydrogen and C1-4 alkyl and R3 is hydrogen or C1-4 alkyl; and their salts, solvates and physiologically functional derivatives, with processes for their preparation, with medicaments containing them and with their use as therapeutic agents, particularly in the prophylaxis and treatment of migraine.
Inventor(s):	Alan D. Robertson, Alan P. Hill, Robert C. Glen, Graeme R. Martin
Assignee:	AstraZeneca UK Ltd , Syngenta Ltd
Application Number:	US08/471,229
Patent Claim Types: see list of patent claims	Use; Composition; Dosage form;

Drugs Protected by US Patent 5,863,935

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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: 5,863,935

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
United Kingdom	9012672	Jun 07, 1990
	PCT/GB91/00908	Jun 06, 1991
United Kingdom	9102182	Feb 01, 1992

International Family Members for US Patent 5,863,935

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	0486666	⤷ Start Trial	SPC/GB97/089	United Kingdom	⤷ Start Trial
European Patent Office	0486666	⤷ Start Trial	C980001	Netherlands	⤷ Start Trial
European Patent Office	0486666	⤷ Start Trial	72/1997	Austria	⤷ Start Trial
Austria	156823	⤷ Start Trial
Austria	204275	⤷ Start Trial
Australia	646871	⤷ Start Trial
Australia	7957091	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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