Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Rebecca L. Lacouture0
Dylan S. Haas0
Gregory H. Altman0
Rachel Lee Dow0
Rachel M. Lind0
Date of Patent
January 1, 2019
0Patent Application Number
145030760
Date Filed
September 30, 2014
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A composition is disclosed that includes pure silk fibroin-based protein fragments that are substantially devoid of sericin, wherein the composition has an average weight average molecular weight ranging from about 17 kDa to about 38 kDa, wherein the composition has a polydispersity of between about 1.5 and about 3.0, wherein the composition is substantially homogeneous, wherein the composition between 0 ppm to about 500 ppm of inorganic residuals, and wherein the composition includes between 0 ppm to about 500 ppm of organic residuals.
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