Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Reexamination Certificate
2008-06-17
2009-10-27
Pezzuto, Helen L. (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
C524S502000, C524S538000, C524S555000, C524S556000
Reexamination Certificate
active
07608659
ABSTRACT:
A conductive material mixed composition obtained by synthesizing a piperidyl group-containing high-molecular-weight polymer or copolymer that is composed of the constitutional unit represented by general formula (1) below and insoluble in tetrahydrofuran (THF) by polymerization in a liquid phase, immediately followed by mixing a conductive material with the polymer or copolymer in the liquid phase:wherein R1represents a hydrogen atom, a hydroxyl group, an oxyl radical, an alkyl group having 1 to 18 carbon atoms, or an alkoxy group having 1 to 18 carbon atoms; R2and R3each independently represent a hydrogen atom or a methyl group; R4represents a hydrogen atom, an alkali metal atom, an alkyl group having 1 to 50 carbon atoms, an alkenyl group having 1 to 50 carbon atoms, an alkyl group having 1 to 50 carbon atoms, or a haloalkyl group having 1 to 50 carbon atoms; n represents a number of not less than 30; and m represents 0 or a positive number.
REFERENCES:
patent: 2001-210314 (2001-08-01), None
patent: 2002-313344 (2002-10-01), None
Kamachi, M. et al., “Electron Exchange Phenomena of Polymers Containing Nitroxyl Radicals” Polymer Journal, vol. 14, No. 5, pp. 363-369 (1982).
Kurosaki, T. et al., “Polymers Having Stable Radicals. I. Synthesis of Nitroxyl Polymers from 4-Methacryloyl Derivatives of 2,2,6,6-Tetramethylpiperidine” Journal of Polymer Science, vol. 10, 3295-3310 (1972).
Asano Hiroto
Taki Takayuki
Tomita Atsuo
Adeka Corporation
Pezzuto Helen L.
Young & Thompson
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