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MITSUBISH CHEMICAL CORPORATION
| MITSUBISH CHEMICAL CORPORATION Patent applications | ||
| Patent application number | Title | Published |
|---|---|---|
| 20080207868 | Apparatus for Heat Treatment of Polyester Particle and Method of Multistage Solid-Phase Polycondensation of Polyester Particle - An apparatus for a heat treatment of polyester particles, comprising: (1) a first fluidized bed; (2) a first moving bed; (3) a second fluidized bed; and (4) a second moving bed in the stated order along a flow of the particles, wherein the second moving bed has a capacity twice or more as large as a capacity of the first moving bed. | 08-28-2008 |