Patents Assigned to Kanegafuchi Kagaku Kogyo Kabushiki
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Patent number: 5474841Abstract: A cellular molded article (11) of a polypropylene resin having a skin (8) was produced by placing a skin material (8) on the interior surface of a die A (13), clamping the die A (13) with a die B (14) to form a mold (7), then charging the mold (7) with pre-expanded particles of a polyethylene resin, pre-heating the pre-expanded particles using steam supplied through the vapor holes (4) of the die B (14) at a temperature lower than the temperature at which the pre-expanded particles are melt bonded together, then holding the pre-expanded particles in said steam, and next performing the main heating of the pre-expanded particles through the die B (14) at a temperature not less than the temperature at which the pre-expanded particles are melt bonded together. At the time of the main heating of the pre-expanded particles through the die B (14), the die A (13) may also be heated up as needed.Type: GrantFiled: December 22, 1993Date of Patent: December 12, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Kiyoshi Matsuki, Izumi Ibata
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Patent number: 5472601Abstract: A hollow fiber type filter having a simple structure and also having an excellent heat resistance which can withstand a rapid temperature change due to high temperature generated in, for example, a steam sterilization is disclosed. The hollow fiber type filter comprises a case and a plurality of hollow fiber type filter membranes which are bundled and fixed with a potting material in the case, wherein a stop ring designed such that a thickness thereof increases inwardly is provided on an inner surface of the case into which the potting material is poured, and air release portions which penetrate the stop ring in the direction of the thickness of the stop ring is formed at an appropriate portion of the stop ring.Type: GrantFiled: October 13, 1994Date of Patent: December 5, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventor: Tamiyuki Eguchi
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Patent number: 5466750Abstract: A nonflammable injection-molding resin composition. The composition includes a nonflammable resin component containing a low-molecular-weight styrene resin having a high .alpha.-methylstyrene content; a rubbery polymer having grafted thereon a vinyl cyanide and/or alkyl (meth)acrylate monomer and an aromatic vinyl monomer; a low-molecular weight post-chlorinated polyvinyl chloride resin and, optionally, a vinyl chloride resin; and, as a moldability-improving agent, a specific alkyl acrylate resin comprising a vinyl cyanide monomer, an alkyl acrylate monomer and an optional copolymerizable vinyl monomer. The nonflammable resin composition provides injection-molded articles with a good balance of impact strength and non-peeling properly and is excellent in moldability.Type: GrantFiled: March 25, 1994Date of Patent: November 14, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Ikuhiro Mishima, Munehiro Ikeda, Hideki Hosoi
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Patent number: 5461073Abstract: A septicemia suppressing substitution fluid preparation for controlling bacterial translocation of intestinal bacteria into blood containing at least one compound selected from the group consisting of (R)-3-hydroxybutyric acid and salts thereof is provided. In condition of septicemia, bacterial translocation of intestinal bacteria into blood is suppressed.Type: GrantFiled: August 22, 1994Date of Patent: October 24, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventor: Masami Katayama
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Patent number: 5459205Abstract: A curable resin comprising units of at least one prepolymer selected from the group consisting of a prepolymer (C) and a prepolymer (F); the prepolymer (C) having the formula (I): ##STR1## and the prepolymer (F) having the formula (III): ##STR2## The curable resin has the excellent flexibility, solvent resistance and adhesion to organic materials and the properties thereof can be controlled accordingly to desire, in addition to the excellent curability at ordinary temperature, adhesion to inorganic materials and weatherability.Type: GrantFiled: October 7, 1993Date of Patent: October 17, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Hisao Furukawa, Naotami Ando, Yasushi Kato
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Patent number: 5449734Abstract: A curable composition containing (A) a compound having at least two Si--H bonds, (B) a silicon compound having at least two substituents bonded to the silicon atom thereof, wherein the substituents each have an olefin bond, (C) a neutral platinum catalyst, (D) a silicon compound having at least two alkoxy groups bonded to the silicon atom thereof, and (E) a catalyst for silanol condensation.Type: GrantFiled: March 8, 1994Date of Patent: September 12, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Jun Kotani, Kiyoshi Andoh, Takahisa Iwahara, Kazuya Yonezawa
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Patent number: 5447978Abstract: A curable composition comprising as effect components:(A) 100 parts by weight of at least one member selected from the group consisting of a polyester, an ether ester block-copolymer, a vinyl polymer, a diallyl phthalate compound, a diallyl phthalate copolymer and an epoxy compound, said component (A) having in its molecule at least one silyl group represented by the formula (I): ##STR1## (B) 0.0001 to 50 parts by weight of an organotin compound, and (C) 0.1 to 20 parts by weight of a mercapto group-containing compound. The curable composition has well balanced pot life and curability and provides a cured product having an excellent appearance.Type: GrantFiled: October 14, 1993Date of Patent: September 5, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Naotami Ando, Hisao Furukawa, Yasushi Kato
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Patent number: 5434351Abstract: A developing cylinder used in an electrophotographic developing device is improved in the efficiency of separation of a developer on its surface. A magnetic working force functioning to separate the developer from a sleeve surface is designed on the basis of a magnetic attraction force which results from a vector composite force consisting of a radial magnetic flux density and a tangential magnetic flux density on the sleeve surface and actually controls the behavior of the developer. The magnetic working force acting on a separation zone of weak magnetic flux density is made to act as a magnetic repulsion force functioning to separate the developer from the sleeve surface. The magnetic working force acting on a given area inclusive of a spot proximate to a photoconductor in a development zone is made to act as the magnetic repulsion force functioning to separate the developer from the sleeve surface.Type: GrantFiled: January 26, 1994Date of Patent: July 18, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Masaharu Iwai, Yasushi Kakehashi
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Patent number: 5430069Abstract: A pre-expanded particle of a polyethylene resin based on a non-crosslinked linear very low density polyethylene having a density of 0.88 to 0.915 g/cm.sup.3 and a melt index of 0.1 to 20 g/10 min. which can be used to produce a cellular molded article having superior flexibility, excellent bonding together of the particles, and both large tensile strength and large elongation at break.Type: GrantFiled: June 22, 1993Date of Patent: July 4, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Tetsuya Ogita, Kenichi Senda
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Patent number: 5422511Abstract: The invention seeks to reduce residual image in the vertical direction, which is the most significant drawback in the charge storage system, and further to permit increased speed of operation to be obtained.To this end, an image sensor of matrix drive type according to the invention comprises m by n diode pairs each including a photo- and a blocking diode PD and BD with the cathode electrodes thereof connected in series, the diode pairs constituting n blocks B.sub.1,B.sub.2 . . . , Bn each of m diode pairs. A clamp diode CD is connected to the juncture between the photo- and blocking diodes PD and BD in each diode pair to clamp the potential on the juncture and thus permit complete and quick charging of the capacitance of the photo-diode PD.Type: GrantFiled: November 9, 1992Date of Patent: June 6, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Yoichi Hosokawa, Tadashi Obayashi, Shinichiro Kurata, Satoru Murakami, Hiromi Maeda, Takeharu Yamawaki
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Patent number: 5421813Abstract: This invention is directed to a method for cleaning a humor replacing circuit, in its entirety, by simply switching valves of joints connected to end portions of ducts which interconnect medical instruments (such as, a membrane type plasma separator, a selective plasma component absorber or a membrane filter); a joint which can be readily replaced and connected to the medical instruments; and a medical instrument container. The method for cleaning, the joint, and the medical instrument container are used in medical treatment (such as, dialysis or plasma replacing therapy).Type: GrantFiled: March 2, 1993Date of Patent: June 6, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventor: Michikazu Ohnishi
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Patent number: 5419781Abstract: A flexible photovoltaic device includes a flexible substrate and a photovoltaic device body. The flexible substrate is a metal foil or film provided with an electric insulating layer of a material having an electric conductivity of not more than 10.sup.-7 (.OMEGA..cm.).sup.-1 at the time of light impinging and selected from a heat resistant polymer, a metal oxide, a crystalline or amorphous silicon compound and an organometallic compound.Type: GrantFiled: February 4, 1994Date of Patent: May 30, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Yoshihiro Hamakawa, Yoshihisa Tawada, Kazunori Tsuge, Masanobu Izumina
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Patent number: 5420392Abstract: A heated roller for use in a fixing device has a heating portion and hollow shaft portions integrally molded from the same material. Conducting terminals capable of elastically expanding and contracting in the radial direction are closely fitted into the hollow shaft portions at both ends of the molded member. This ensures power supply from the conducting terminals, which are metallic parts, to the ceramic heating portion.Type: GrantFiled: March 25, 1994Date of Patent: May 30, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventor: Yoshio Sakata
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Patent number: 5416165Abstract: A curable composition for paint containing:(A) 95 to 5 parts by weight of a vinyl copolymer having at least one specific hydrolyzable silyl group and at least one specific alcoholic hydroxyl group existing at an end of the main chain and/or in a side chain thereof in one molecule, in which the main chain contains substantially a vinyl copolymer chain and the alcoholic hydroxyl equivalent is from 180 to 2000 g/mol;(B) 5 to 95 parts by weight of a vinyl copolymer having at least one specific hydrolyzable silyl group at an end of the main chain and/or in a side chain thereof in one molecule and having no alcoholic hydroxyl group in the same molecule, in which the main chain contains substantially a vinyl copolymer chain; and(C) 0.001 to 10 parts by weight of a curing catalyst per 100 parts by weight of the total resin solids content.This curable composition for paint has well-balanced properties of good acid resistance, water resistance, scratch resistance, weathering resistance, and so forth.Type: GrantFiled: October 20, 1993Date of Patent: May 16, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Yoshihiko Okimura, Masaharu Inoue, Hirotoshi Kawaguchi, Hisao Furukawa
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Patent number: 5411800Abstract: A doll's hair comprising synthetic fibers to which a water repellent is applied, said fiber having such a water repellency that when a liquid droplet of 20% by weight aqueous isopropyl alcohol solution is placed on the bundle of said fibers, the droplet is kept as it is for not less than one minute on the bundle. Since the doll's hair comprises the fibers having the excellent water repellency, even if a child plays at a doll in a bathroom, for instance, she dips the doll in water, and combs or shampoos the hair, water can be easily removed from the hair, and the original hairstyle can be quickly restored.Type: GrantFiled: September 22, 1992Date of Patent: May 2, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Masaaki Yokoe, Hiroshi Yokoyama, Yoshinori Kashita
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Patent number: 5407819Abstract: A TPA variant with replacement of amino acids is provided. In a typical embodiment, the variant has an amino acid sequence with replacement of the amino acid group consisting of asparagine at the 37th position, serine at the 38th position, glycine at the 39th position, arginine at the 40th position, alanine at the 41st position, and glutamine at the 42nd position from the N-terminus of the amino acid sequence of mature human tissue plasminogen activator.Type: GrantFiled: April 16, 1992Date of Patent: April 18, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Hitoshi Yahara, Tetsuya Nagaoka, Kazuyoshi Yajima, Yasuhiro Inenaka, Keiji Matsumoto, Tetsu Kakutani
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Patent number: 5399601Abstract: A room temperature curable composition suitable as top coat and providing coating films having good properties such as surface appearance, gloss, stain resistance, weatherability and adhesion and a small contact angle with water, which comprises (A) an acrylic copolymer having a specific reactive silicon-containing group such as alkoxysilyl group, (B) a specific hydrolyzable silicon compound and/or its partial hydrolysis condensation product, (C) a specific curing catalyst such as an organic carboxylic acid, a combination of an organic carboxylic acid with an organic amine, or an organometallic compound, and (D) an adhesion improving agent such as a silane coupling agent or its reaction product with an epoxy compound.Type: GrantFiled: June 2, 1994Date of Patent: March 21, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Akira Kusumi, Hitoshi Tamai, Naotami Ando, Hisao Furukawa
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Patent number: 5399607Abstract: A one component composition suitable for use as coatings which are excellent in storage stability and coating workability, which comprises:(A) an acrylic resin having hydroxyl group,(B) an alkoxysilyl group-containing acrylic copolymer having a group represented by the formula: ##STR1## wherein R.sup.1 is an alkyl group having 1 to 10 carbon atoms, R.sup.2 is a hydrogen atom or a monovalent hydrocarbon group having 1 to 10 carbon atoms selected from the group consisting of an alkyl group, an aryl group and an aralkyl group, and a is 0, 1 or 2,(C) a curing catalyst, andat least one member selected from the group consisting of (D) a dehydrating agent and (E) an alkyl alcohol.Type: GrantFiled: February 1, 1994Date of Patent: March 21, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Toshiro Nanbu, Hirotoshi Kawaguchi, Yasushi Kato, Hisao Furukawa
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Patent number: 5397419Abstract: The invention discloses a thermosetting imide oligomer represented by the general formula (1A) or (1B): ##STR1## Where Ar.sub.1 indicates a tetravalent aromatic group, Ar.sub.2 indicates a divalent aromatic group, Ar.sub.1 or Ar.sub.2 can be of the same or different kind, X indicates a trivalent group and it can be of the same or different kind, n is an integer selected from 1 to 15, and R is a substitution group having reactivity.The invention further discloses a method for manufacturing a heat resistant laminated sheet using the imide oligomer, which is excellent in heat resistance, hygroscopic resistance and electric properties.Type: GrantFiled: April 23, 1993Date of Patent: March 14, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Hiroyuki Furutani, Junya Ida
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Patent number: 5395874Abstract: A flame retardant resin composition which includes 100 weight parts of a rubber-reinforced styrene-based resin, 2.about.35 weight parts of an epoxy-oligomer of tetrabromobisphenol-A (A1), 2.about.35 weight parts of bis-(tribromophenoxy)ethane (A2), 1.about.15 weight parts of antimony trioxide (B), and 0.1.about.10 weight parts of chlorinated polyethylene (C), wherein the total of the above (A1), (A2), (B) and (C) are 8.about.50 weight parts and the weight ratio of (A1)/(A2) is 10/90.about.75/25. The composition of the present invention has well-balanced flame retardance and impact resistance.Type: GrantFiled: April 27, 1993Date of Patent: March 7, 1995Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Ikuhiro Mishima, Rika Munakata, Mamoru Ishida