Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Reexamination Certificate
2003-03-05
2008-09-16
Cain, Edward J (Department: 1796)
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
C523S205000, C523S210000
Reexamination Certificate
active
07425588
ABSTRACT:
A polymer composition including a functional material, the composition containing at least a block polymer encapsulating a material of a predetermined function and a solvent, wherein a property of the polymer in the composition is changed in response to a stimulus, whereby the block polymer encapsulating the material agglomerates together, or an ink composition usable as an inkjet ink containing at least a block polymer encapsulating a coloring material and a solvent, wherein a property of the polymer in the composition is changed in response to a stimulus, whereby the block polymer encapsulating the coloring material agglomerates together. The change of the property of the block polymer in response to a stimulus is a change from the lyophilic nature to the lyophobic nature, or the lyophilic nature to the lyophobic nature.
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International Searching Authority; Japanese Patent Office; “PCT International Search Report”; corresponding to International Application No. PCT/JP03/02539; date of mailing Apr. 15, 2003; (2 pages).
Ikegami Masayuki
Nakazawa Ikuo
Sato Koichi
Suda Sakae
Tsubaki Keiichiro
Cain Edward J
Canon Kabushiki Kaisha
Morgan & Finnegan , LLP
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