Mitsubishi Paper Mills Limited

Other

Seiko Epson Corporation

Sumitomo Bakelite Company Limited

Eiko Epson Corporation

Yukio Tokunaga

Hiroyuki Onishi

Tetsuya Ashida

Masahiro Hanmura

Atsushi Matsuzawa

Yukihiro Suzuki

Satoshi Kaneko

Masaya Shibatani

Kozo Haino

Kazuhito Hori

Katsumitsu Susaki

Hideto Kiyama

Koichi Sumioka

Norimasa Miyachi

Hiroshi Sakaguchi

Susumu Yamanobe

Tomoko Ishimaru

Iwao Maekawa

Hajime Sugita

Shigeyoshi Furuhara

Masako Horai

Masayasu Horie

Masao Oketani

Hanae Nakatani

Kakeru Yoshida

Masahiko Maruyama

Hidemasa Kanada

Shuzo Kinoshita

The present invention aims to provide a device for cryopreservation which enables easy and reliable cryopreservation of a cell or tissue. The device for cryopreservation of a cell or tissue of the present invention includes a deposition part on which a cell or tissue is to be deposited together with a preservation solution, wherein a surface of the deposition part includes a protrusion for holding a cell or tissue and a recess for storing a preservation solution.

Cryopreservation jig for cryopreserving cells or tissues

The present invention relates to a device for cryopreservation of a cell or tissue, including a deposition part on which a cell or tissue is to be deposited, the deposition part having a layer containing a water-soluble polymeric compound on an outermost surface of the deposition part; and a method of cryopreservation using the device.

Tool for cryopreservation of cell or tissue and cryopreservation method

This is to provide a transmission type screen where a viewing angle at which an image projected by a projector can be visually recognized is extremely wide, and image visibility from the both surfaces of the screen is excellent. The present invention relates to a transmission type screen comprising a light transmissive support and a light diffusion layer on at least one surface of the light transmissive support, wherein the light diffusion layer contains light diffusion fine particles and a xerogel. It preferably relates to the above-mentioned transmission type screen wherein the xerogel contains inorganic fine particles and a resin binder, and the inorganic fine particles are particles dispersed in an aggregated form having an average primary particle diameter of 18 nm or less and an average secondary particle diameter of 500 nm or less.

Transmission type screen

An ink jet recording material of the invention includes a polyolefin resin-covered paper substrate, an ink absorption layer and a layer principally including colloidal silica in this order at one face of the substrate, and a backcoat layer at an opposite face of the substrate. An MD direction Taber stiffness of the substrate is at least 3 mN&#xb7;m. The ink absorption layer principally includes fumed silica, and the backcoat layer is principally polyurethane resin. The ink absorption layer includes a thioether-based compound, and a polyolefin resin layer at a side of the substrate at which the ink absorption layer is to be provided includes an fluorescent brightening agent and a white pigment. A solid content coating amount of the colloidal silica is 0.05 to 0.3 g/m, and a solid content coating amount of the polyurethane resin is 0.8 to 1.5 g/m. A 20&#xb0; glossiness of a blank portion of a face of the recording material that features the ink absorption layer is 40 to 60%.

Ink jet recording material

A thermosetting resin composition comprising a novolac-type phenolic resin, a polyacetal resin and a cyclohexyl compound represented by the general formula (1) as a curing catalyst, a thermosetting resin molding compound comprising the thermosetting resin composition and a filler, and a cured product formed by curing the thermosetting resin composition or the thermosetting resin molding compound are provided.  In the formula, Rto Rare defined in the claims and description.

Thermosetting resin composition, thermosetting resin molding compound and cured product thereof

There is disclosed a sheet-state ink-jet recording material which comprises a water-resistant support and at least one ink-receptive layer provided on the support, wherein at least one of the ink-receptive layers contains inorganic fine particles having an average primary particle size of 30 nm or less and a hydrophilic binder, and a longitudinal direction of the sheet-state ink-jet recording material is cut at a right angle to a flowing direction of the recording material at a time of coating the ink-receptive layer.

Process for preparing an ink-jet recording material

There are disclosed a packaged product for an ink-jet recording material which has a protective sheet for protecting the surface of the outermost ink-receptive layer of the ink-jet recording material, wherein a protective paper sheet is used as the protective sheet in which a difference between the pH of its surface which makes contact with the surface of the outermost ink-receptive layer and the pH of the surface of the ink-receptive layer is 1.5 or smaller, and a recording method and a recorded material using the ink-jet recording material.

Packaged product for ink-jet recording material, and recording method and recorded material using ink-jet recording material

According to the present invention, in an ink-jet recording material in which at least two ink-receptive layers containing inorganic fine particles and a hydrophilic binder are provided on a support, an ink-jet recording material wherein an ink-receptive layer (A) nearer to the support contains fumed silica, and an ink-receptive layer (B) apart from the support contains alumina or alumina hydrate is provided.

Recording material for ink-jet

Disclosed is an ink-jet printing sheet which comprises a support and at least one ink-receptive layer provided on the support, wherein at least one of the ink-receptive layer contains silica fine particles having an average primary particle diameter of 20 nm or less and at least one water-soluble polyvalent metal compound.

Ink-jet recording sheet

Disclosed is an ink-jet recording material comprising a polyolefin resin-coated paper support and at least one ink-receptive layer containing fumed silica provided on the support, wherein a surface of the support on which the ink-receptive layer is provided has been subjected to work into slightly rough surface so that 75 degrees specular glossiness according to JIS P 8142 is from 30% to less than 70%.

Ink-jet recording material

Ink-jet recording material, and recording method of ink-jet recording and recorded material using the same

There is disclosed an ink-jet recording material including a water resistant support, and a porous ink-receptive layer containing inorganic fine particles having an average particle size of primary particles of 30 nm or less provided on the support, wherein the ink-jet recording material contains at least one hydrazine compound.

An ink-jet recording material comprising a support, and an ink-receptive layer provided on the support, wherein said ink-receptive layer contains at least one thioether compound having an alkyl group substituted by a hydrophilic group or a group containing a basic nitrogen atom, and an ink-jet recording method which comprises at least the step of shooting liquid drops of an ink composition comprising at least a water-soluble dye, an organic solvent and water to an ink-jet recording material having an ink-receptive layer containing at least one thioether compound having an alkyl group substituted by a hydrophilic, group or a group containing a basic nitrogen atom, provided on a support.

Ink-jet recording material and ink-jet recording method

There is disclosed an ink-jet recording material which comprises a support in which both surfaces of a base paper are covered by a polyolefin resin, and an ink-receptive layer containing inorganic fine particles and a hydrophilic binder provided on the support, wherein a surface of the support opposite to the surface at which the ink-receptive layer is provided has a ten-point mean roughness Rz measured according to JIS-B-0601 of boarding is 12 to 40 &mgr;m under the condition of a reference length of 8 mm, and preferably a ratio of a total length X of a mean line across the mountain part to a total length Y of a mean line across a valley part, X/Y is 1/10 to 3/1.

Disclosed are a method for making an ink-jet recording material which comprises adding silica fine particles having an average primary particle diameter of 50 nm or less to a dispersion medium mainly comprising water containing a cationic polymer having a weight average molecular weight of 100,000 or less and mixing to prepare a slurry of silica fine particles; dispersing the slurry of silica fine particles by a dispersing machine to prepare a dispersion of silica fine particles; mixing the dispersion of silica fine particles with at least a hydrophilic binder to prepare a coating solution for forming an ink-receptive layer; and coating the coating solution for forming an ink-receptive layer on a support and drying, a method for preparing a dispersion of silica fine particles and the silica dispersion.

Growing community of inventors

Tokyo, Japan

Yukio Tokunaga