Stock material or miscellaneous articles – Coated or structually defined flake – particle – cell – strand,... – Particulate matter
Reexamination Certificate
2008-07-01
2008-07-01
Le, H. Thi (Department: 1794)
Stock material or miscellaneous articles
Coated or structually defined flake, particle, cell, strand,...
Particulate matter
C428S474400, C428S474900
Reexamination Certificate
active
07393585
ABSTRACT:
A plurality of micron-size solid particles is described herein that includes at least one polyamide compound, wherein the particles comprise a diameter in the range of about 1 micron to about 1000 microns, and wherein at least some of the plurality of particles are substantially transparent. In addition, a plurality of micron-size solid particles is described herein that includes at least one polyamide compound, wherein the particles comprise a diameter of less than about 4 microns. Methods of forming a plurality of micron-size solid particles are also described that include a) introducing at least one amide-based compound having a melting point, at least one suspending agent and at least one surfactant into a reaction vessel to form a reaction mixture; b) applying a thermal energy to the reaction mixture, wherein the thermal energy comprises a temperature that is at or above the melting point of the at least one amide-based compound; c) polymerizing the at least one amide-based compound in the reaction mixture; d) cooling the reaction mixture; and e) rinsing the reaction mixture to retrieve the polymer particles.
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Honeywell International , Inc.
Le H. Thi
Nemer Buchalter
Thompson Sandra P.
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