Last Updated: November 8, 2026

Details for Patent: 6,143,775

Name: Drug Patent Intelligence for US Patent 6143775
Creator: DrugPatentWatch
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Summary for Patent: 6,143,775

Title:	Process for preparing pharmaceutical composition containing a heterocyclic amide
Abstract:	The invention provides a pharmaceutical composition comprising a particular physical form of N-[4-[5-(cyclopentyloxy-carbonyl)amino-1-methylindol-3-yl-methyl]-3-methoxybenzoyl]-2-methyl-benzenesulphonamide and polyvinylpyrrolidone. It also provides methods for preparing this physical form, and another physical form of N-[4-[5-(cyclopentyloxycarbonyl)amino-1-methylindol-3-yl-methyl]-3-methoxybenzoyl]-2-methylbenzenesulphonamide useful in the preparation of the first mentioned physical form. The compositions are useful in the treatment of diseases in which leukotrienes are implicated, for example asthma.
Inventor(s):	James Joseph Holohan, Ieuan John Edwards
Assignee:	AstraZeneca UK Ltd , Syngenta Ltd
Application Number:	US09/447,414
Patent Claim Types: see list of patent claims	Compound; Process;

Drugs Protected by US Patent 6,143,775

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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: 6,143,775

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
United Kingdom	9027014	Dec 12, 1990
United Kingdom	9115107	Jul 19, 1991

International Family Members for US Patent 6,143,775

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
African Regional IP Organization (ARIPO)	285	⤷ Start Trial
African Regional IP Organization (ARIPO)	9100340	⤷ Start Trial
Austria	131048	⤷ Start Trial
Australia	656157	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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