Kaneka Corporation

Ikuhiro Suzuki

Masaru Nakatani

Hiroshi Tone

Takao Shibata

Takayuki Miyamoto

An object of the present invention is to provide a novel filter material and a filter including the same. Specifically, the present invention aims to provide a filter material capable of filtering in a short period of time, without clogging of the filter, while maintaining high cell separation properties, and a filter including the same. More specifically, the present invention aims to provide a filter material in which fiber masses (flocs) are uniformly distributed, and a filter including the same. The present invention provides a novel filter material showing excellent cell separation properties and excellent flow-through properties regardless of design choices for filters known prior to the filing of the present application, and an efficient cell separation method using a novel filter on which the filter material is stacked.

Cell separation filter material and filter obtained by layering same

The present invention aims to provide a leukocyte depletion filter that has both higher leukocyte removal performance and higher blood permeability than conventional filters. The leukocyte depletion filter according to the present invention includes a filter material having an average fiber diameter of 0.30 to 1.60 &#x3bc;m and a coefficient of variation of fiber diameter of at least 0.40 but not more than 1.20.

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Takasago, Japan

Ikuhiro Suzuki