Electrospraying apparatus and method for coating particles

Details Electrospraying apparatus and method for coating particles Electrospraying apparatus and method for coating particles

2007-10-09

2007-10-09

Ketter, James (Department: 1636)

Chemistry: molecular biology and microbiology

Apparatus

Mutation or genetic engineering apparatus

C435S285300, C435S458000, C435S459000, C435S470000, C435S471000, C118S620000, C118S303000, C239S003000, C239S690000, C239S706000

Reexamination Certificate

active

10809660

ABSTRACT:
An electrospraying apparatus and/or method is used to coat particles. For example, a flow including at least one liquid suspension may be provided through at least one opening at a spray dispenser end. The flow includes at least particles and a coating material. A spray of microdroplets suspending at least the particles is established forward of the spray dispenser end by creating a nonuniform electrical field between the spray dispenser end and an electrode electrically isolated therefrom. The particles are coated with at least a portion of the coating material as the microdroplet evaporates. For example, the suspension may include biological material particles.

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