Last Updated: November 14, 2026

Details for Patent: 6,723,303

Name: Drug Patent Intelligence for US Patent 6723303
Creator: DrugPatentWatch
License: https://www.drugpatentwatch.com/terms.php

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Summary for Patent: 6,723,303

Title:	Ultrasound contrast agents including protein stabilized microspheres of perfluoropropane, perfluorobutane or perfluoropentane
Abstract:	Agents for use in ultrasound contrast include protein microspheres in which a gas such as perfluoropropane, perfluorobutane or perfluoropentane is contained.
Inventor(s):	Steven C Quay
Assignee:	GE Healthcare Ltd , GE Healthcare AS
Application Number:	US08/466,104
Patent Claim Types: see list of patent claims	Use; Formulation;

Drugs Protected by US Patent 6,723,303

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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

International Family Members for US Patent 6,723,303

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	191346	⤷ Start Trial
Australia	2550392	⤷ Start Trial
Australia	3995997	⤷ Start Trial
Australia	679428	⤷ Start Trial
Brazil	1100167	⤷ Start Trial
Canada	2119129	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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