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DrugPatentWatch concentrates deep knowledge on more than 6,400 small-molecule drugs and 2,300 generic ingredients from 1,700 branded and generic pharmaceutical companies and 700 suppliers, and more than 4,300 active and expired US patents and 74,000 international patents spanning 93 countries and regional patent offices. |
Patent: 5,798,091
Summary for Patent: 5,798,091
| Title: | Stabilized gas emulsion containing phospholipid for ultrasound contrast enhancement |
| 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: | 08/395,680 |
| Patent Claim Types: see list of patent claims | Use; Compound; Composition; |
Glossary
| Applicant | Tradename | Generic Name | Dosage | NDA | Approval Date | Type | RLD | Patent No. | Product | Substance | Delist_Flag | Patent Expiration | Patented / Exclusive Use | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Imcor Pharms Co | IMAGENT | dimyristoyl lecithin; perflexane | INJECTABLE; INTRAVENOUS | 021191 | May 31, 2002 | DISCN | No | 5,798,091 | <disabled> | METHOD OF USE OF IMAGENT | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Patent activity for: 5,798,091
| Failure to pay maintenance fee | |||||||||
| Patent Number: | 5,798,091 | Application Number: | 08/395,680 | Issue Date: | Aug 25 1998 | Expiration Date: | Aug 25 2010 | ||
International Patent Family for Patent: 5,798,091
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| WIPO (PCT) | 9503835 | Feb 09, 1995 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| WIPO (PCT) | 9626746 | Sep 06, 1996 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| United States | 2002028179 | Mar 07, 2002 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| United States | 2002031476 | Mar 14, 2002 | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| The preview shows a limited data set. Complete access is available with a Subscription | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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