Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making
Reexamination Certificate
2009-05-18
2011-11-01
Walke, Amanda C. (Department: 1722)
Radiation imagery chemistry: process, composition, or product th
Imaging affecting physical property of radiation sensitive...
Radiation sensitive composition or product or process of making
C430S913000, C526S280000, C526S281000, C526S308000, C526S309000
Reexamination Certificate
active
08048612
ABSTRACT:
A polymer comprising a structural unit represented by the formula (Ia) or (Ib):wherein R1represents a hydrogen atom etc., R2represents a linear, branched chain or cyclic C1-C8 alkyl group, R3represents a methyl group, n represents an integer of 0 to 14, Z1represents a single bond etc., k represents an integer of 1 to 4, R4and R5each independently represents a hydrogen atom etc., and m represents an integer of 1 to 3, a structural unit represented by the formula (II):wherein R6and R7each independently represents a hydrogen atom etc., R8represents a methyl group, R9represents a hydrogen atom etc., n′ represents an integer of 0 to 12, Z2represents a single bond etc., k′ represents an integer of 1 to 4, R21and R22each independently represents a hydrogen atom etc., and R23represents a C1-C30 monovalent hydrocarbon group, andat least one structural unit selected from the group consisting of structural units represented by the formulae (IIIa), (IIIb), (IIIc), (IIId) and (IIIf)wherein R10represents a hydrogen atom etc., R11represents a methyl group, R12is independently in each occurrence a carboxyl group etc., j represents an integer of 0 to 3, a represents an integer of 0 to 5, b represents an integer of 0 to 3, c represents an integer of 0 to (2j+2), Z3represents a single bond etc., and k″ represents an integer of 1 to 4.
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Fuji Yusuke
Hata Mitsuhiro
Birch & Stewart Kolasch & Birch, LLP
Sumitomo Chemical Company Limited
Walke Amanda C.
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