C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
260/222
C08B 37/02 (2006.01)
Patent
CA 1197842
ABSTRACT OF THE DISCLOSURE The invention relates to a new polymer containing quarternary amino group based on dextran or cross-linked dextran. The quarternary amino groups are of the formula Image where R1, R2 and R3, which may be identical or different, are lower alkyl groups of 1 - 5 carbon atoms or lower hydroxyalkyl groups of 2 - 5 carbon atoms and 1 - 2 hydroxy groups. At most one atom other than carbon and hydrogen is bound to the same carbon atom in the hydroxy alkyl group.
403098
Ahrgren Leif G.
Belder Anthony N. de
Pharmacia Biotech Ab
Ridout & Maybee Llp
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