Toray Industries, Inc.

Honda Giken Kogyo Kabushiki Kaisha

Toyota Jidosha Kabushiki Kaisha

Pentel Kabushiki Kaisha

Sekisui Kagaku Kogyo Kabushiki Kaisha

Adeka Argus Chemical Co., Ltd.

Hiroshi Takahashi

Kazuhiro Tanahashi

Kaoru Shimada

Naotoshi Tomita

Shungo Kanda

Yoshiyuki Ueno

Sadayuki Kobayashi

Masakazu Kadota

Shokichi Harashima

Kazutoyo Yasuda

Kazuo Shinomiya

Hiroyuki Sugaya

Tsuyoshi Yoshigasaki

Yuhei Maeda

Norio Komura

Kazuyoshi Miyahara

Masato Masuda

Hiroyuki Yamada

Hirokazu Sakaguchi

Megumi Nakanishi

Yoshiharu Okumura

Tsugumi Sanmiya

Mariko Yoshioka

Suguru Ushiro

Takashi Ishikawa

Yoshitaka Aranishi

Shigehisa Wada

Kazuma Noguchi

Kazuo Ito

Hiroshi Miyashita

Tatsuro Mizuki

Ken Shinkai

Kyohei Yamashita

Jitsumi Hanabusa

Yoshiyuki Nishio

Rikizou Tanaka

Hiroshi Harayama

Sakichi Hatakeyama

Hirofumi Yamanaka

Tooru Kimura

Kazumi Kikkawa

Hideotoshi Hamamoto

Shigeru Nagai

Makoto Yamaguchi

Onuki Isao

Atsushi Ishiguro

Hisasi Nakasima

Tatuo Sakamoto

Akio Tahara

Katsunori Matsuda

Masahiro Mizusako

Yuuhei Maeda

Shunsuke Komachi

Isao Ebisawa

Misa Ozaki

Takeshi Toyama

Kunihiko Otaguro

A blood treatment material adsorbs and removes blood components such as activated leukocytes and inflammatory cytokines with a high efficiency. The blood treatment material includes a water-insoluble material in the form of fibers or particles, wherein the difference between the maximum value (RaA) and the minimum value (RaB) of the arithmetic average roughness (Ra) of the surface of the water-insoluble material, as calculated using a laser microscope, is from 0.30 to 1.50 μm.

Blood treatment material

The present invention aims to provide a material for adsorbing soluble tumor necrosis factor receptors with high efficiency. The present invention provides an adsorbing material for soluble tumor necrosis factor receptors, which includes a superficially porous water-insoluble polymeric material, wherein the pore size distribution curve for the surface of the water-insoluble polymeric material, which is derived from a distribution of melting points determined by differential scanning calorimeter, shows the peak radius in the range of 1 to 80 nm, and the water-insoluble polymeric material has a zeta potential at pH 7.4 of −15 to 15 mV, and the water-insoluble polymeric material is in fiber, particle, or film form.

Adsorbing material for soluble tumor necrosis factor receptor

An object of the present invention is to provide a material which can remove an activated leukocyte-activated platelet complex with high efficiency. The present invention provides a material for removing an activated leukocyte-activated platelet complex, the material being a water-insoluble carrier to the surface of which carrier a compound(s) having a charged functional group(s) is(are) bound, wherein an extending length ratio of the surface is 4 to 7.

Material for removing activated leukocyte-activated platelet complex

An object of the present invention is to provide a carrier for adsorbing organic matter, which achieves both of adsorption ability for organic matter and suppression of pressure increase. The present invention provides a carrier for adsorbing organic matter, comprising a sea-island type solid composite fiber, wherein the pore volume is 0.05 to 0.5 cm/g and the fiber diameter is 25 to 60 &#x3bc;m.

Carrier for adsorbing organic matter

An object of the present invention is to provide a material for blood purification having the capability to remove cytokines and activated leukocyte-activated platelet complexes. The present invention provides a material for blood purification, the material containing a water-insoluble material in which a ligand having an amide group(s) and an amino group(s) is bound to a substrate, wherein the content of the amide group(s) is 3.0 to 7.0 mmol per 1 g dry weight of the water-insoluble material; and wherein the content of the amino group(s) is 1.0 to 7.0 mmol per 1 g dry weight of the water-insoluble material.

Material for blood purification

A copolymer has blood compatibility and antithrombotic properties of greatly suppressing protein adhesion to be usable even when in contact with a biological component such as blood for a long period of time, and a medical device uses the copolymer. The copolymer is characterized by including a hydrophilic unit and a hydrophobic unit, wherein the hydrophobic unit contains at least one type of a carboxylic acid vinyl unit, and the number of carbon atoms at the terminal of a side chain of the carboxylic acid vinyl unit is 2-7.

Copolymer and medical device, separation membrane module for medical use, and blood purifier including the same

The present invention provides a porous material which has continuous pores and comprises a polymethyl methacrylate as a main component, wherein the continuous pores have a diameter of 0.001 &#x3bc;m to 500 &#x3bc;m and at least one surface of the porous material has a porosity of 10% to 80%; a separation membrane composed of the same; an adsorbent composed of the same; and a method production of the same. A porous material whose surface porosity and pore diameter are each controlled in a specific range can be obtained. The porous material has a fine and uniform porous structure in which the pore diameter can be controlled in the order of nanometers to micrometers; therefore, it can be advantageously used as a separation membrane such as a blood component separation membrane of an artificial kidney or the like or as an adsorbent.

Porous body and production method therefor

The present invention relates to a substrate including a compound having blood anticoagulation activity and a hydrophilic polymer compound, wherein the amount of elution of the compound having blood anticoagulation activity is less than 0.6 &#x3bc;g/ml, and a manufacturing method of a substrate, wherein after a compound having blood anticoagulation activity and a hydrophilic compound brought in contact with a substrate are irradiated with radiation, unreacted components are washed out.

Substrate and method for production thereof

To provide a structure material having excellent mechanical characteristics and a functional material having excellent regularity, provided are a polymer alloy which is composed of at least two components of thermoplastic resins and of which the structure can be controlled finely and evenly dispersed and a production method of the polymer alloy. With respect to a polymer alloy composed of at least two or more components of thermoplastic resins, a precursor (A) of at least one thermoplastic resin among the thermoplastic resin components composing the polymer alloy is chemically reacted in the co-presence of the remaining thermoplastic resin component (B1) and/or a precursor (B2) of the thermoplastic resin component to induce spinodal decomposition, so that it is made possible to obtain a polymer alloy having excellent regularity and of which the structure is finely controllable and the structure is evenly dispersed.

Polymer alloy and production method thereof

A thermoplastic cellulose derivative composition of the present invention contains, as a main component, a cellulose ester having an aliphatic polyester side chain having a repeat unit having 2 to 5 carbon atoms, wherein a rate of heating loss at 200&#xb0; C. is 5 wt % or less, a melt viscosity at 200&#xb0; C. and 1000 secis 50 to 300 Pa&#xb7;sec, and a melt tension at the time of take-up at 200&#xb0; C. and 100 m/min is 0.1 to 40 mN. The present invention can provide excellent fiber products by melt spinning of the composition.

Thermoplastic cellulose derivative composition and fiber comprising the same

A speed change operation device for a vehicle with continuously variable transmission having a running apparatus, a power source and a continuously variable transmission for transmitting power from the power source to the running apparatus. The speed change operation device comprises a first movable member operated by a speed change operation member to rotate; a second movable member connected to a speed change operation quantity input section of the continuously variable transmission directly or indirectly through a transmission means to change speed of the continuous variable transmission; a first rotation support shaft pivotally supporting the first movable member; and a second rotation support shaft disposed in parallel with the first rotation shaft for pivotally supporting the second movable member. And the first and second movable members are connected with each other so that rotating force is transmitted from the first movable member to the second movable member and alternatively the second movable member can rotate independently.

Speed change operation device for vehicle

A method for melt-spinning synthetic fiber, characterized by using a spinning device of which the part to be contacted with polymer in melt is coated with a film of an oxide, nitride or carbide of any of Si, Ti, Zr, Al, W, B, Ta and Ge or with a film of heat-resistant resin.

Process of melt-spinning synthetic fiber

A high-strength ultra-fine fiber construction including a high-strength multi-filament yarn including ultra-fine filaments of a fineness of a single filament less than 0.8 denier, a tenacity of 6.5 g/d or more, and the elongation at break of the multi-filament yarn being 15% or more. In order to obtain such a fiber construction, islands-in-sea-type or divisional type conjugate spinning is initially carried out to obtain conjugate multi-filament yarns, which is subjected to weaving to produce a fabric, and a island component removing or dividing treatment is finally done in order to obtain the high-strength ultra-fine fiber in the fiber structure. Ultra-fine fibers of the desired strength together with a particular range of a cover factor provides all the advantages of the ultra-fine fibers. A reduced air permeability, when it is necessary, can be easily obtained. Namely, a desired mechanical property as well as a desired softness are both obtained, while the number of naps and filament breakages are reduced. An air bag as the fiber construction can attain any desired properties such as high mechanical strength, a large degree of softness, a neatness when folded, and a low air permeability. Furthermore, a method is also disclosed, for producing the fiber construction, which allows melt spinning as well as weaving to be executed while preventing any occurrence of operational difficulties, such as naps and filament breaks.

High-strength ultra-fine fiber construction, method for producing the

A drive device for a power working vehicle has a transmission case for a hydrostatic pressure type continuously variable transmission which includes a hydraulic pump and a hydraulic motor, the case having a narrow portion and a wide portion with a step being formed on one side of the transmission case. The hydrostatic pressure type continuously variable transmission is mounted to the narrow portion, so that it is accommodated within the height of the step. A differential is provided at the wide portion for differentially operating left and right axles, and a reducing gear mechanism extends from the narrow portion to the wide portion for transmitting an output from the continuously variable transmission to the differential through a multi-stage reduction. Thus, the output from the continuously variable transmission can be transmitted to the left and right axles through a reduction at a plurality of stages, and the structure of the drive device for the power working vehicle may be made simpler and more compact.

Drive device for power working vehicle

Growing community of inventors

Otsu, Japan

Hiroshi Takahashi