Asahi Glass Company, Limited

Canon Kabushiki Kaisha

Japan Tobacco Inc.

Katsutoshi Misuda

Hitoshi Kijimuta

Nobuyuki Yokota

Nobuyuki Hosoi

Kenji Shinjo

Masanobu Asaoka

Ako Omata

Takafumi Hasegawa

Kenji Onuma

Akemi Ishizaki

Toshihiro Tanuma

Masaharu Tanaka

Masaaki Hiro

Toshiya Matsubara

Shinichi Suzuki

Hiroshi Otouma

Ako Takemura

Yoshinori Katayama

Sumito Terayama

Kouichi Numata

Takahumi Hasegawa

Iku Tomari

Toshiro Samejima

Masako Harasawa

An ink-jet recording medium having at least a light-reflecting layer and a dye-fixing layer formed in this order on a base material in a multilayer structure, wherein the light-reflecting layer contains two or more pigments different in chemical composition, and wherein the average particle size of a pigment (A) having a highest liquid absorbency in the pigments is smaller than the average particle size of a pigment (B) having a lowest liquid absorbency in the pigments.

Recording medium, image-forming method employing the same, process for producing the same

A recording medium comprising on a base material an ink-receiving layer containing an alumina hydrate, said ink-receiving layer being formed by applying a coating liquid containing said alumina hydrate to said base material followed by drying to form a layer to be said ink-receiving layer, swelling said layer to be said ink-receiving layer again, and pressing the swollen layer to a heated mirror-finish drum for drying, the glossiness of the surface of the recording medium on the side of the ink-receiving layer as measured at 20&deg; being 20% or more.

Recording medium, manufacturing process thereof and image forming method using the medium

Disclosed herein is a recording medium comprising a base material, and at least one resin selected from a primary amine resin and a secondary amine resin and a hindered amine compound contained in the base material and/or on the surface of the base material.

Recording medium and image forming process using the same

An ink-jet recording medium comprising a base material and an ink-receiving layer provided thereon. The ink-receiving layer comprises an upper layer containing an aluminum-based pigment and a lower layer containing an aluminum-based pigment having a BET specific surface area larger than that of the aluminum-based pigment contained in the upper layer.

Recording medium and image forming method utilizing the same

Recording medium, ink-jet recording therewith, and process for production thereof

Provided is a fine powder material for forming an ink-receiving layer on a recording medium, wherein a pore radius maximum exists within a range of from 90 to 120 &angst; in a pore radius distribution of said fine powder material and wherein a total volume of pores having radii not exceeding 50 &angst; is not more than 6.0% of a volume of all pores.

Fine powder material for forming in-receiving layer, manufacturing method thereof, recording medium making use of the fine powder material and image forming method using the recording medium

There is provided a recording medium comprising a substrate and an ink-receiving layer containing alumina hydrate formed thereon, wherein the alumina hydrate is present unoriented in the ink-receiving layer and a diffraction intensity fluctuation &dgr; in a diffraction pattern is not more than 5%, when irradiating an electron beam to a cross section of the ink-receiving layer.

Recording medium and recording method for using the same

Disclosed herein is a recording medium comprising a base material and a porous surface layer containing particles of a thermoplastic resin, wherein the breadth of the particle size distribution of the particles of the thermoplastic resin is within 3.sigma., and the proportion of particles having a particle size at most a fifth of the average particle size of the particles of the thermoplastic resin is 10% or lower.

Recording medium and ink-jet recording process using the recording medium

A coated paper comprising a paper substrate, a pseudo-boehmite layer formed on the substrate and a silica layer laminated on the pseudo-boehmite layer, said coated paper having a 60.degree. specular glossiness of at least 30% as stipulated in ISO 2813.

Coated paper and methods for its preparation

A coated paper comprising a paper substrate and a pseudo-boehmite layer formed on the substrate, wherein said pseudo-boehmite layer has a specular glossiness at 60.degree. of at least 30% as measured in accordance with JIS Z8741.

Coated paper and processes for its production

A recording sheet comprising a substrate and a colorant absorbing layer made of a porous inorganic oxide, formed on the substrate, wherein said colorant absorbing layer contains an organic acid with the first acid dissociation exponent of at most 5, which has an aromatic nucleus or at least two carboxyl groups.

Recording sheet and record

An electrostatic image transfer recording sheet which comprises a substrate having, on one side thereof, an image-forming layer made of a porous alumina hydrate and, on the other side, a porous alumina hydrate layer.

Electrostatic image transfer recording sheet

The present invention relates to a method for producing a tobacco raw material having at least a part of its surface coated with a silical gel, which comprises adding silica sol to the tobacco raw material and subjecting the silical gel to gelation.

Tobacco raw material and method for its production

A recording film comprising a transparent substrate, a porous alumina hydrate layer formed on the substrate and an opaque porous layer laminated on the alumina hydrate layer.

Recording film and recording method

A recording sheet for an ink jet printer, which comprises a substrate, a lower layer of porous pseudo-boehmite having an average pore radius of from 20 to 80 .ANG. formed in a thickness of from 5 to 60 .mu.m on the substrate and an upper layer of porous pseudo-boehmite having an average pore radius of from 40 to 150 .ANG. formed in a thickness of from 2 to 30 .mu.m on the lower layer, the average pore radius of the upper layer being larger than that of the lower layer.

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Yokohama, Japan

Katsutoshi Misuda