Process for coating solid particles

Details Process for coating solid particles Process for coating solid particles

2006-07-04

2006-07-04

Michener, Jennifer (Department: 1762)

Coating processes

Medical or dental purpose product; parts; subcombinations;...

Particulate or unit-dosage-article base

C427S213300, C427S242000

Reexamination Certificate

active

07070828

ABSTRACT:
A process for coating solid particles which comprises the steps of a) contacting a gas with a fluid composition comprising i) a polymer and ii) a liquid diluent to produce a foam, and b) contacting the produced foam with solid particles and agitating the particles to provide a coating on the solid particles.

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Patent Abstract vol. 12, No. 176 (C-498) & JP 62-283919A, Dec. 1987 ; Roller Japan KK, Sustained-release tablets—include foaming layer enabling tablet to float when in contact with gastric juice.

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