US Patent 11045577 Dissolvable nasal sinus sponge
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Patent abstract
An implantable article comprising a dissolvable sponge derived from a mixture of chitosan, a first cellulosic polysaccharide and a second cellulosic polysaccharide. The cellulosic polysaccharides have different number average molecular weight characteristics to enable the control of the mechanical features of the sponge.
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Patent Inventor Names
Denise E. Guenther0
Ethan G. Sherman0
Wei Chen0
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US Patent 11045577 Dissolvable nasal sinus sponge
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Is a
Patent jurisdiction
Patent number
11045577
Date of patent
June 29, 2021
Patent application number
16706209
Date Filed
December 6, 2019
Patent citations
Patent primary examiner
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