Patent ID: 6692889
Filing Date: 2004-02-17
Classification: G03F,Y10S

Abstract:
A polymeric compound comprising at least one monomer unit selected from the following formulae (I), (II), (III) and (IV): (wherein R1 is a hydrogen atom or a methyl group, R2 and R3 are the same or different and are each a hydrogen atom, a hydroxyl group or a â€”COOR4 group, where R4 is a t-butyl group, a 2-tetrahydrofuranyl group, a 2-tetrahydropyranyl group or an 2-oxepanyl group; R5 and R6 are the same or different and are each a hydrogen atom, a hydroxyl group or an oxo group; R7, R8 and R9 are the same or different and are each a hydrogen atom or a methyl group; R10 and R11 are the same or different and are each a hydrocarbon group having 1 to 8 carbon atoms; R12, R13 and R14 are the same or different and are each a hydrogen atom, a hydroxyl group or a methyl group; wherein if all of R12 to R14 are each a hydrogen atom or a hydroxyl group, R10 and R11 are not coincidentally methyl groups)[wherein, when the polymeric compound comprises a monomer unit of Formula (II) in which R5&boxH;R6&boxH;H or comprises a monomer unit of Formula (III), the polymeric compound further comprises at least one monomer unit selected from among a monomer unit represented by Formula (I), a monomer unit of Formula (II) in which at least one of R5 and R6 is a hydroxyl group or an oxo group, a monomer unit represented by Formula (IV) and a monomer unit represented by the following Formula (V): (wherein R15 and R16 are the same or different and are each a hydrogen atom, a hydroxyl group or a carboxyl group; R17 is a hydroxyl group, an oxo group or a carboxyl group; and R1 has the same meaning as defined above)].