Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Reexamination Certificate
2008-05-27
2008-05-27
McClendon, Sanza L. (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
C526S320000, C526S326000, C526S332000, C526S333000, C524S505000, C524S612000, C106S031130, C106S031270, C106S031280, C106S031600, C106S031850, C106S031860
Reexamination Certificate
active
07378480
ABSTRACT:
Polymeric compounds suitable for ink and toner compositions, and image forming methods and apparatus using an ink or toner composition containing such a polymer compound, and particularly to a polymer compound having a repeating unit structure represented by the general formulawherein B is a linear or branched alkylene group having 1 to 15 carbon atoms and may be substituted, m is an integer of 1 to 30, q is an integer of 2 to 30, and R1is hydrogen, an alkyl group which may be substituted, or an aromatic ring structure which may be substituted, with the proviso that when m is a plural number, the B groups may be different from each other, ink and toner compositions containing the polymer compound, a solvent or dispersion medium and a coloring material, and image forming methods and image forming apparatus using such a composition.
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International Search Reporet dated May 13, 2003.
Takeuchi et al.; “Living Cationic Polymerization of Ethyl 2-(Vinyloxy) ethoxyacetate: A vinyl Ether with an Ether and an Ester Function in the Pendant”;Journal of Polymer Science: Part A: Polymer Chemistry; vol. 27; pp. 3303-3314; (1989).
Ikegami Masayuki
Nakazawa Ikuo
Sato Koichi
Suda Sakae
Tsubaki Keiichiro
Canon Kabushiki Kaisha
McClendon Sanza L.
Morgan & Finnegan , LLP
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