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Details for Patent: 6,280,705

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Patent 6,280,705 protects IMAGENT and is included in one NDA.

This patent has expired prematurely due to non-payment of maintenance fees. See details below.

Summary for Patent: 6,280,705

Title: Kits & systems for ultrasonic imaging
Abstract:A gas emulsion forming composition comprising a dry, hollow, particulate, approximately microspherical material permeated with a gas or gas mixture, which upon dissolution in aqueous liquid forms a gas emulsion comprising a plurality of bubbles surrounded by a layer of at least a first and a second surfactant, wherein the first surfactant consists essentially of a phospholipid or mixture of phospholipids having at least one acyl chain which comprises at least 10 carbon atoms, and comprising at least about 5% w/w of total surfactant, and wherein the second surfactant may or may not be a phospholipid and is more water soluble than the first surfactant; kits for preparing such microbubbles; and methods for using such microbubbles as contrast agents.
Inventor(s): Trevino; Leo A. (San Diego, CA), Schutt; Ernest George (San Diego, CA), Klein; David H. (Carlsbad, CA), Tarara; Thomas E. (San Diego, CA), Weers; Jeffry G. (San Diego, CA), Kabalnov; Alexey (San Diego, CA)
Assignee: Alliance Pharmaceutical Corp. (San Diego, CA)
Application Number:09/013,357
Patent Claim Types:
see list of patent claims
Device; Formulation;
Patent PDF download available with subscription

Glossary
Applicant Tradename Generic Name Dosage NDA Approval Date Type RLD Patent No. Patent Expiration Product Substance Delist Req. Patented / Exclusive Use
Imcor Pharms Co
IMAGENT
dimyristoyl lecithin; perflexane
INJECTABLE;INTRAVENOUS021191May 31, 2002DISCNNo6,280,705<disabled>
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Premature patent expiration for: 6,280,705

Expiration due to failure to pay maintenance fee
Patent Number:6,280,705 Tradename:
IMAGENT
Expiration Date:August 28, 2013

International Patent Family for Patent: 6,280,705

Country Document Number Publication Date
World Intellectual Property Organization (WIPO)9626746Sep 06, 1996
World Intellectual Property Organization (WIPO)9503835Feb 09, 1995
United States of America2005281747Dec 22, 2005
United States of America2005244338Nov 03, 2005
United States of America2002054854May 09, 2002
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