Last Updated: November 7, 2026

Details for Patent: 6,773,696

Name: Drug Patent Intelligence for US Patent 6773696
Creator: DrugPatentWatch
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Summary for Patent: 6,773,696

Title:	Contrast agent comprising low density microspheres
Abstract:	Low density microspheres, methods for preparing same, and use of same as contrast agents are described. The microspheres have a void having a volume that comprises at least about 75% of the total volume of the microspheres, and which contains a gas or the vapor of a volatile liquid selected from the group consisting of aliphatic hydrocarbons, chlorofluorocarbons, tetraalkyl silanes and perfluorocarbons.
Inventor(s):	Evan C. Unger
Assignee:	Lantheus Medical Imaging Inc
Application Number:	US10/280,844
Patent Claim Types: see list of patent claims	Compound; Delivery;

Drugs Protected by US Patent 6,773,696

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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

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Country	Patent Number	Estimated Expiration	Supplementary Protection Certificate	SPC Country	SPC Expiration
Austria	180794	⤷ Start Trial
Austria	201217	⤷ Start Trial
Australia	1428099	⤷ Start Trial
>Country	>Patent Number	>Estimated Expiration	>Supplementary Protection Certificate	>SPC Country	>SPC Expiration

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