| http://www.w3.org/ns/prov#value | - lder Biotechnology, Inc.for genetically engineered proteins with increase in solubility and in vivo stability and a decrease in immunogenicityUS725922417 Mar 200621 Aug 2007Nektar Therapeutics Al, CorporationPolyalkylene oxides containing one or more carbonate groups conjugated to a biologically active agent such as proteins or peptides to impart improved water solubility, reduced immunogenicity,
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