Last Updated: September 28, 2026

Details for Patent: 6,265,536

Name: Drug Patent Intelligence for US Patent 6265536
Creator: DrugPatentWatch
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Summary for Patent: 6,265,536

Title:	Cyclic hexapeptides having antibiotic activity
Abstract:	This invention relates to new polypeptide compounds represented by the following formula (I):whereinR1 is as defined in the description and pharmaceutically acceptable salt thereof which have antimicrobial activities (especially, antifungal activities), inhibitory activity on beta-1,3-glucan synthase, to process for preparation thereof, to a pharmaceutical composition comprising the same, and to a method for the prophylactic and/or therapeutic treatment of infectious diseases including Pneumocystis carinii infection (e.g. Pneumocystis carinii pneumonia) in a human being or an animal.
Inventor(s):	Hidenori Ohki, Masaki Tomishima, Akira Yamada, Hisashi Takasugi
Assignee:	Astellas Pharma Inc
Application Number:	US09/248,267
Patent Claim Types: see list of patent claims	Use; Composition; Process;

Drugs Protected by US Patent 6,265,536

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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: 6,265,536

Foriegn Application Priority Data
Foreign Country	Foreign Patent Number	Foreign Patent Date
United Kingdom	9420425	Oct 07, 1994
United Kingdom	9508745	Apr 28, 1995

International Family Members for US Patent 6,265,536

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
European Patent Office	0788511	⤷ Start Trial	CA 2008 00030	Denmark	⤷ Start Trial
European Patent Office	0788511	⤷ Start Trial	91452	Luxembourg	⤷ Start Trial
European Patent Office	0788511	⤷ Start Trial	300352	Netherlands	⤷ Start Trial
European Patent Office	0788511	⤷ Start Trial	SPC022/2008	Ireland	⤷ Start Trial
European Patent Office	0788511	⤷ Start Trial	08C0028	France	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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