Lyophilized formulation of polyethylene oxide modified proteins with increased shelf-life
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United States of America Patent
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Mar 29, 1994
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N/A
app pub date -
Feb 25, 1993
filing date -
Feb 25, 1993
priority date (Note) -
Expired
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Abstract
Disclosed are lyophilized biologically active proteinaceous compositions containing low diol polyalkylene oxide, such as polyethylene glycol, covalently attached to a biologically active proteinaceous substance and combined with the cryoprotectant cyclodextrin.
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