Coating processes – Particles – flakes – or granules coated or encapsulated
Reexamination Certificate
2007-02-06
2007-02-06
Chen, Bret (Department: 1762)
Coating processes
Particles, flakes, or granules coated or encapsulated
C427S215000, C427S569000, C118S7230AN, C118S7230ER
Reexamination Certificate
active
10486888
ABSTRACT:
A method of producing powder formed of composite grains comprising a kernel and one or more surface layers. The inventive method comprises the following steps: mixing the grain kernels with a plasmochemical treatment gas; making said kernel/treatment gas mixture flow through a main plasma reactor; and generating a uniform plasma essentially at atmospheric pressure in a treatment region of the main reactor in order to create a plasmochemical reaction between the treatment gas and the surfaces of the kernels so that surface layers form on said surfaces while the mixture flows through the reactor.
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Ivanov Mark
Koulik Pavel
Petrov Evguenii
APIT Corp. SA
Browning Clifford W.
Chen Bret
Krieg DeVault LLP
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