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US Patent 7476400 High-concentration lidocaine compositions and methods for their preparation

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Patent Citations Received
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US Patent 11992483 Emulsions for local anesthetics
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Patent Inventor Names
Pravin M. Patel0
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Patent abstract

A composition comprising lidocaine-containing liposomes wherein the weight concentration of lidocaine in said composition is greater than 10%. The composition is prepared by mixing water with an oil phase comprising lidocaine, a C14-C20 alcohol, an alkyl ester of a fatty acid, propylene glycol, and a polyalkyl stearate. The non-aqueous phase may also include a phospholipid such as phosphatidyl choline.

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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=074764000
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US Patent 07476400 High-concentration lidocaine compositions and methods for their preparation US Patent 7476400 High-concentration lidocaine compositions and methods for their preparation

Infobox
Patent Number
074764000
Patent Number
74764000
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Infobox
Is a
Patent
Patent
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
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Patent Number
074764000
Date of Patent
January 13, 2009
0
Patent Application Number
102909830
Date Filed
November 8, 2002
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Official Website
https://pdfpiw.uspto.gov/.piw?Docid=074764000
Patent Primary Examiner
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Michael G. Hartley
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Website URL
https://pdfpiw.uspto.gov/.piw?Docid=07476400
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 US Patent 07476400 High-concentration lidocaine compositions and methods for their preparation

Infobox
Is a
Patent
Patent
Patent jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent number
07476400
Date of patent
January 13, 2009
Patent application number
10290983
Date Filed
November 8, 2002
Patent primary examiner
‌
Michael G. Hartley

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