US Patent 7119162 Substantially monodispersed mixtures of polymers having polyethylene glycol moieties
Patent 7119162 was granted and assigned to NOBEX CORPORATION on October, 2006 by the United States Patent and Trademark Office.
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Methods of synthesizing a substantially monodispersed mixture of polymers comprising polyethylene glycol moieties include:reacting a substantially monodispersed mixture of compounds having the structure of Formula I:R1(OC2H4)n—O−X+ (I)wherein R1 is H or a lipophilic moiety; n is from 1 to 25; and X+ is a positive ion,with a substantially monodispersed mixture of compounds having the structure of Formula II:R2(OC2H4)m—OMs (II)wherein R2 is H or a lipophilic moiety; and m is from 1 to 25, under conditions sufficient to provide a substantially monodispersed mixture of polymers comprising polyethylene glycol moieties and having the structure of Formula III:R2(OC2H4)m+n—OR1 . (III)Substantially monodispersed mixtures of polymers comprising polyethylene glycol moieties are also disclosed.
US Patent 07119162 Substantially monodispersed mixtures of polymers having polyethylene glycol moieties US Patent 7119162 Substantially monodispersed mixtures of polymers having polyethylene glycol moieties
US Patent 07119162 Substantially monodispersed mixtures of polymers having polyethylene glycol moieties
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