Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Reexamination Certificate
2007-10-23
2007-10-23
Teskin, Fred (Department: 1713)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
C525S326500, C525S327300, C525S338000, C525S940000, C526S171000, C526S309000
Reexamination Certificate
active
10546003
ABSTRACT:
A polymer consisting mainly of structural units represented by the general formula (1), wherein the total molar amount of terminal aldehyde groups and acetal groups is 0.6 mol % or smaller based on the total molar amount of the structural units represented by the general formula (1). —[—(—CHR1—)n—CX1R2—CX2R3-]— (1) (In the formula, n is an integer of 2 to 10; X1and X2each represents —H, —OH, or a functional group capable of being converted into —OH, provided that at least one of X1and X2is hydroxy or a functional group capable of being converted into hydroxy; and R1, R2, and R3each represents —H or C1-5alkyl, aryl, aralkyl, or heteroaryl and the two or more R1's may be different).
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Arimoto Kikuo
Komiya Yukiatsu
Moriguchi Nobuhiro
Ohgi Hiroyuki
Kuraray Co. Ltd.
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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