Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Reexamination Certificate
2007-06-19
2007-06-19
Powers, Fiona T. (Department: 1626)
Organic compounds -- part of the class 532-570 series
Organic compounds
Azo
C548S365400, C008S507000, C623S006560, C623S006580
Reexamination Certificate
active
11270527
ABSTRACT:
A colorant for ocular lenses represented by the formula (I) defined herein or a colorant for ocular lenses represented by the formula (II) defined herein.
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Kuwahara Masaki
Miki Sadao
Nakahata Yoshihiro
Sunada Tsutomu
Nidek Co. Ltd.
Powers Fiona T.
Sughrue & Mion, PLLC
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