US Patent 8075780 Purification and concentration of synthetic biological molecules
Patent 8075780 was granted and assigned to Millipore Sigma on December, 2011 by the United States Patent and Trademark Office.
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Patent abstract
The present invention is an ultrafiltration (UF) membrane having a nominal molecular weight cut off (NMWCO) of from about 0.5 KD to about 10 KD wherein the membrane surfaces have a charge that is either positive or negative. The present invention is also a method of using the charged UF membrane to purify and concentrate synthetic biological molecules by using the charged surface either to repel the synthetic biomolecules retaining them in the retentate or to attract the synthetic biomolecules preferentially for filtration through the membrane.
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Patent Inventor Names
Richard James Pearce0
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US Patent 08075780 Purification and concentration of synthetic biological molecules US Patent 8075780 Purification and concentration of synthetic biological molecules
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Patent Number
08075780
Patent Number
8075780
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US Patent 08075780 Purification and concentration of synthetic biological molecules
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Is a
Current assignee
Patent jurisdiction
Patent number
08075780
Date of patent
December 13, 2011
Patent application number
10981328
Date Filed
November 4, 2004
Patent primary examiner
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