Novel pyrazolone compound and ophthalmic plastic lens using...

Details Novel pyrazolone compound and ophthalmic plastic lens using... Novel pyrazolone compound and ophthalmic plastic lens using...

C - Chemistry, Metallurgy

07

D

C07D 231/52 (2006.01) A61L 27/16 (2006.01) A61L 27/50 (2006.01) B29D 11/00 (2006.01) C08L 33/26 (2006.01) C09B 23/04 (2006.01) C09B 69/10 (2006.01) G02B 1/04 (2006.01) G02C 7/04 (2006.01) A61F 2/16 (2006.01)

Patent

CA 2304425

Provided are novel pyrazolone compounds which have excellent copolymerizability and undergo no elution in an organic solvent when used for an ophthalmic plastic lens and which have an excellent absorption peak in visible light region and function as a reactive yellow dye.

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