Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Reexamination Certificate
2005-05-26
2008-08-26
Le, H. T (Department: 1794)
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
C428S407000, C428S447000, C428S704000, C427S222000
Reexamination Certificate
active
07416783
ABSTRACT:
The invention relates to crosslinked (meth)acrylate-based resin particles having an average particle diameter of 1 to 10 μm, containing monomer components containing a monomer having a carboxyl group and at least one monomer selected from an acrylate and a methacrylate copolymerized therein, the particles having a surface coated with a surfactant having a sulfonic acid group or a sulfonate group, and a process for producing the same.
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Higashi Takashi
Kito Tetsuji
Nambu Hiromi
Sasaki Yasushi
Kao Corporation
Le H. T
Oblon & Spivak, McClelland, Maier & Neustadt P.C.
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