Cationic block copolymers
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United States of America Patent
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app pub date -
Oct 18, 2006
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Jul 15, 1999
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Abstract
The invention relates to cationic block copolymers of formula A(--X--B).sub.n or C(--Y--D).sub.m, wherein A represents a hydrophilic polymer, B represents polyethyleneimine (PEI), X represents a bridge, n represents 1-200, C represents PEI, D represents the residue of a polyethylene glycol, Y represents a bridge and m represents 1-200. The invention also relates to methods for producing the inventive cationic block polymers and to their use e.g. as a tenside and for complexing nucleic acids.
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