Details for Patent: 5,013,556

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Summary for Patent: 5,013,556

Title:	Liposomes with enhanced circulation time
Abstract:	A liposome composition which contains between 1-20 mole percent of an amphipathic lipid derivatized with a polyalkylether, as exemplified by phosphatidylethanolamine derivatized with polyethyleneglycol. The derivatized lipid enchances the circulation time of the liposomes severalfold, and this enhancement is achieved with either fluid or membrane-rigidifying liposome components. Also disclosed are methods for delivering a drug for slow release from the bloodstream, and for targeting a selected tissue or cells with liposomes, via the bloodstream.
Inventor(s):	Woodle; Martin C. (Menlo Park, CA), Martin; Francis J. (San Francisco, CA), Yau-Young; Annie (Los Altos, CA), Redemann; Carl T. (Walnut Creek, CA)
Assignee:	Liposome Technology, Inc. (Menlo Park, CA)
Application Number:	07/425,224
Patent Claim Types: see list of patent claims	Composition; Dosage form; Delivery; Compound; Use;

Drugs Protected by US Patent 5,013,556

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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

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