US Patent 8663686 Biodegradable chitosan-PEG compositions and methods of use
Patent 8663686 was granted and assigned to University of Washington on March, 2014 by the United States Patent and Trademark Office.
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Patent abstract
The present invention provides compositions comprising an interpolymer of chitosan and polyethylene glycol, wherein the interpolymer is a liquid below 25° C. and a gel above 35° C. The present invention also provides methods for using the compositions to deliver drugs to a living body over time.
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Patent Inventor Names
Frederick A. Matsen0
Miqin Zhang0
Narayan Bhattarai0
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US Patent 08663686 Biodegradable chitosan-PEG compositions and methods of use US Patent 8663686 Biodegradable chitosan-PEG compositions and methods of use
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Patent Number
08663686
Patent Number
8663686
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US Patent 08663686 Biodegradable chitosan-PEG compositions and methods of use
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Is a
Current assignee
Patent jurisdiction
Patent number
08663686
Date of patent
March 4, 2014
Patent application number
11124916
Date Filed
May 9, 2005
Patent primary examiner
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