C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
96/135, 402/2, 4
C08F 222/38 (2006.01) C07D 295/18 (2006.01) C07D 295/185 (2006.01) C08F 20/36 (2006.01) C08F 20/54 (2006.01) G03C 1/053 (2006.01) G03C 7/327 (2006.01)
Patent
CA 1109868
Abstract of the Disclosure Compounds useful in making crosslinkable polymers having the formula (I): Image wherein R is hydrogen or methyl; R1 is cyano or -?R2 wherein R2 is alkyl; Z is -X-R3-X- or Image wherein each -X- is -O- or -NR4-, provided at least one -X- is -NR4- wherein R4 is hydrogen or alkyl, R3 is divalent hydrocarbon and D1 and D2 together are the carbon atoms necessary to complete a 5 to 7 membered ring. These compounds can be homopolymerized or copolymerizable with each other or with other poly- merizable ethylenically unsaturated monomers to give crosslinkable polymers. Such polymers can be purified by conventional purification techniques such as dialysis, diafiltration, ultrafiltration without losing their capability of crosslinking. The result- ing purified polymers are particularly useful in photographic materials as gelatin extenders, binders or polymeric color couplers.
339433
Hollister Kenneth R.
Ponticello Ignazio S.
Tuites Richard C.
Eastman Kodak Company
Gowling Lafleur Henderson Llp
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