Kao Soap Company, Ltd.

Masayuki Sagae

Kenji Ohki

Yoshimi Tsuchiya

Mitsuru Tokuyama

Hiroshi Mizutani

Kaoru Tsujii

Kenji Kawabuchi

Hikotaro Kawaguchi

Mistru Tokuyama

A water-absorbing sheet assembly comprises two sheets, at least one of which is a water-permeable sheet, and a polymeric absorbent inserted between said two sheets, wherein at least a part of said two sheets are pressed and bonded to each other.

Water absorbing sheet assembly

A porous sheet is disclosed that comprises a thin, flexible sheet made of thermoplastic resin having solid particles distributed therein. Small spaces are formed around the particles, such that abrasion or buffing of the opposite surfaces of the sheet causes the formation of a multitude of fine pores that extend through the sheet, making the sheet vapor-permeable but liquid-impermeable.

Porous sheet

A porous sheet comprising a flexible sheet in which a rigid substance is incorporated, wherein pores are formed in the sheet by breaking the rigid substance.

Porous sheet and process for preparation thereof

An absorbent material companies a non-woven fabric including thermoplastic fibers, on which a highly absorbing, hydrophilic polymetric substance is scattered and which is thermally set.

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Tochigi, Japan

Masayuki Sagae