C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 222/06 (2006.01) C02F 1/28 (2006.01) C02F 1/42 (2006.01) C08F 210/14 (2006.01) C22B 3/42 (2006.01)
Patent
CA 2645283
A polymeric chelating agent comprising a carbon polymer backbone and the method of use are described. The polymeric chelating agent of formula I (see formula I) wherein each R is the same or different and each Ra is the same or different, wherein R and Ra are each independently H, C1-20alkyl, C2-20alkenyl, C2-20alkynyl, C5-20aryl, C1-20heteroalkyl, C2-20heteroalkenyl, C2-20heteroalkynyl, or C5-20heteroaryl, wherein the C1-20heteroalkyl, the C2-20heteroalkenyl and the C2-20heteroalkynyl, and the C5-20heteroaryl each comprise one or more N, S, or O groups, n is integer from 0 to 16, n1 is a integer, and relates to the total molecular weight of the polymeric chelating agent, R1, R2, R3, R4 to Rn1 are the same or different and are each independently H, C1-100alkyl, C2-100alkenyl, C2-100alkynyl, or C1-100alkylaryl each substituted or unsubstituted wherein if R1, R2, R3, R4 to Rn1 comprise a substituent each substituent is R, or salt thereof.
Laurino Joseph
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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