Crosslinked polymeric ammonium salts

Details Crosslinked polymeric ammonium salts Crosslinked polymeric ammonium salts

C - Chemistry, Metallurgy

08

G

C08G 73/02 (2006.01) A61K 31/785 (2006.01) A61K 31/787 (2006.01)

Patent

CA 2142826

2142826 9404596 PCTABS00030 Disclosed are novel crosslinked polymeric ammonium salts wherein in said salt: about 25 % or more of the groups which link ammonium nitrogen atoms are group Y wherein Y is an n-alkylene groups or alkyl substituted n-alkylene group, wherein said n-alkylene group has 7 to about 20 carbon atoms; zero to about 75 % of groups which links ammonium nitrogen atoms are group Z wherein Z is a hydrocarbylene radical containing 2 or more carbon atoms, said hydrocarbylene radical optionally containing one or more hydroxyl, ether, amino, thioether, keto, or silyl groups or heterocyclic rings; and about 25 % or more of the ammonium atoms are secondary ammonium atoms.

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