Patents Assigned to Kanegafuchi Kagaku Kogyo Kabushiki Kaisha
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Patent number: 6689899Abstract: The present invention provides a novel diamine and a novel acid anhydride which are applicable for a polyimide and includes a cinnamoyl group or a derived cinnamoyl group. The novel diamines and acid anhydrides have photo-reactivity and heat-reactivity inherent to the cinnamoyl group.Type: GrantFiled: August 17, 2001Date of Patent: February 10, 2004Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Kohji Okada, Hitoshi Nojiri
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Patent number: 6437231Abstract: An integrated thin-film solar battery having a plurality of unit elements connected in series includes a substrate, a plurality of spaced apart first electrode layers formed on the substrate; a plurality of semiconductor layers disposed on said plurality of first electrode layers in such a manner that each of the semiconductor layers is formed on two adjacent first electrodes and has a connection opening located on one of the two first electrodes, an electrically conductive layer formed on each of the semiconductor layers except on the region of the connection opening, and a second electrode layer disposed on each of the electrically conductive layers such that the second electrode layer is electrically connected to one of the two adjacent first electrode layers through the connection opening, to form a region interposed between the second electrode layer and the other first electrode layer as the unit element.Type: GrantFiled: May 24, 2001Date of Patent: August 20, 2002Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Shinichiro Kurata, Katsuhiko Hayashi, Atsuo Ishikawa, Masataka Kondo
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Publication number: 20020019558Abstract: The present invention provides a novel diamine and a novel acid anhydride which are applicable for a polyimide and includes a cinnamoyl group or a derived cinnamoyl group. The novel diamines and acid anhydrides have photo-reactivity and heat-reactivity inherent to the cinnamoyl group.Type: ApplicationFiled: August 17, 2001Publication date: February 14, 2002Applicant: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Kohji Okada, Hitoshi Nojiri
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Publication number: 20010035205Abstract: An integrated thin-film solar battery having a plurality of unit elements connected in series includes a substrate, a plurality of spaced apart first electrode layers formed on the substrate; a plurality of semiconductor layers disposed on said plurality of first electrode layers in such a manner that each of the semiconductor layers is formed on two adjacent first electrodes and has a connection opening located on one of the two first electrodes, an electrically conductive layer formed on each of the semiconductor layers except on the region of the connection opening, and a second electrode layer disposed on each of the electrically conductive layers such that the second electrode layer is electrically connected to one of the two adjacent first electrode layers through the connection opening, to form a region interposed between the second electrode layer and the other first electrode layer as the unit element.Type: ApplicationFiled: May 24, 2001Publication date: November 1, 2001Applicant: KANEGAFUCHI KAGAKU KOGYO KABUSHIKI KAISHAInventors: Shinichiro Kurata, Katsuhiko Hayashi, Atsuo Ishikawa, Masataka Kondo
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Patent number: 6264866Abstract: A method for producing a polyimide film in which the imidation ratio and/or the amount of volatile constituent are controlled to improve the adhesive strength of the polyimide film. The method may also comprise controlling the highest temperature of heating the prefilm to improve the adhesive strength of the polyimide film.Type: GrantFiled: June 10, 1998Date of Patent: July 24, 2001Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Hirofumi Yamada, Manabu Fukudome, Naoki Egawa, Yuzuru Kondo, Haruhiko Maki
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Patent number: 6245810Abstract: A novel amino acid derivative represented by the general formula (I) shown below or a salt thereof have now been provided by chemical synthesis, and it has been found that these new compounds stimulate proliferation and physiological activities of the T cells of mammals, have an immunomodulating activity and also have an antitumor activity or a carcinostatic activity. It has also been found that these new compounds have an effect of stimulating the proliferation of hematopoietic stem cells. wherein y is 0 or 1; R1 represents an unsubstituted C1-C8 alkyl group or others; R2 represents a hydrogen atom, a C1-C5 alkyl group or others; R3 represents a hydrogen atom, a C1-C8 alkyl group or others; R4 represents a hydrogen atom, a C1-C3 alkyl group or others; R5 represents a group —OR42, a group or others.Type: GrantFiled: June 30, 1998Date of Patent: June 12, 2001Assignees: Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai, Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Masaaki Ishizuka, Masaji Kawazu, Toshiaki Katsumi, Yoshihide Fuse, Kenji Maeda, Tomio Takeuchi
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Patent number: 6150441Abstract: This invention provides a composition for double glazing use which satiskfies the requirement of both low moisture permeability and weather-resistant adhesiveness and also has rapid hardenability by addition type curing, can be produced by a line process and is able to be used as a one-pack sealant having excellent shelf stability and mechanical properties, and the composition for double glazing use of this invention comprises (A) a hydrocarbon polymer having at least one alkenyl group in its molecule and a molecular weight of 500 to 300,000, (B) a curing agent having at least two hydrosilyl groups in its molecule, (C) a hydrosilylation catalyst and (D) a tackifier as essential components. When the composition for double glazing use requires one-pack adhesive property, shelf stability improving agent (E) is further used in addition to the components (A) to (D). An isobutylene polymer is desirable as the component (A), and a polyorgano hydrogen siloxane as the component (B).Type: GrantFiled: July 8, 1997Date of Patent: November 21, 2000Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Makoto Chiba, Masashi Sakaguchi
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Patent number: 6136918Abstract: A rubber latex with its particles grown through cohesion by adding 100 weight parts of (B) a rubber latex (solid), 0.1-15 weight parts (solid) of (A) an acid group-containing latex having an average particle size of 50-500 nm prepared by polymerizing a monomer mixture comprising (a), (b), (c) and (d) [wherein (a)+(b)+(c)+(d)=100 weight %]: (a) 5-25 weight % of at least one of unsaturated acids selected from the group consisting of acrylic acid, methacrylic acid, itaconic acid and crotonic acid, (b) 20-95 weight % of at least one of alkyl methacrylates with its alkyl group 1-12 in carbon number, (c) 0-30 weight % of at least one of alkyl acrylates with its alkyl group 1-12 in carbon number, (d) 0-40 weight % of at least one selected from the group consisting of aromatic vinyls, compounds having at least two polymerizable functional groups in a molecule and vinyl cyanides, copolymerizable with the aforementioned (a), (b) and (c) is provided.Type: GrantFiled: April 30, 1998Date of Patent: October 24, 2000Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Ikuhiro Mishima, Norito Doi, Youichi Matsumura, Shigemi Matsumoto, Shinobu Ochikoshi, Kazuhito Wada, Hiroki Yoshino
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Patent number: 6127528Abstract: The present invention relates to an adsorbent being capable of efficiently removing tumor necrosis factor-.alpha. (TNF-.alpha.) in a body fluid, an adsorber using the adsorbent and a process for adsorbing and removing TNF-.alpha., namely an adsorbent of TNF-.alpha., wherein onto a water-insoluble carrier a compound having a functional group represented by the formula (I): ##STR1## wherein X.sup.- is an anionic functional group, A is a substituent group except for the anionic functional group, n is an integer of 0 to 4 and in case n is at least 2, groups A, the number of which is n, may be the same or different from each other; a process for adsorbing and removing TNF-.alpha., which comprises coming the adsorbent into contact with a body fluid; and an adsorber for adsorbing TNF-.alpha. wherein a vessel having an inlet and an outlet for a body fluid and being equipped with a means for preventing the adsorbent from flowing to the outside of the vessel, is charged with the adsorbent.Type: GrantFiled: April 2, 1999Date of Patent: October 3, 2000Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Fumiyasu Hirai, Nobutaka Tani, Takashi Asahi
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Patent number: 6106949Abstract: The present invention provides a reformed polyimide fluorocarbon resin laminated film having superior adhesive property with metals.The reformed polyimide fluorocarbon resin laminated film according to the present invention is constructed by that a surface of fluorocarbon resin of polyimide fluorocarbon resin laminated film having fluorocarbon resin being laminated on a single surface or both surfaces of a polyimide film is coated with a coupling agent, or executed with corona treatment.Type: GrantFiled: December 6, 1996Date of Patent: August 22, 2000Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Kosuke Kataoka, Eiichiro Kuribayashi, Yoshihide Ohnari
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Patent number: 6103837Abstract: The present invention relates to a siloxane random copolymer having a repeating unit represented by the following general formula (I) (II) and (III) at random and a resin composition containing the same. ##STR1## Further, the invention relates to a process of producing a siloxane copolymer comprising the step of reacting at least one polycarbonate and/or dicarbonate of diol and, if needed, at least one diester of dicarboxylic acid with at least one specified silicon compound in the presence of an esterifying or ester exchange catalyst.Type: GrantFiled: February 26, 1998Date of Patent: August 15, 2000Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Tomoki Hiiro, Hirosuke Kawabata, Katsuhiko Kimura, Haruo Tomita
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Patent number: 6087007Abstract: An optical plastic laminated sheet excellent in heat resistance and transparency is disclosed, which comprises a laminate of at one first layer of an optically transparent polymer and a second layer of an optically transparent polymer having a lower glass transition temperature than that of the first layer polymer.The laminated sheet possesses excellent impact strength and rigidity as well as excellent optical properties and is useful as a substance in the field of photoelectronics.Type: GrantFiled: May 16, 1996Date of Patent: July 11, 2000Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Sadao Fujii, Kenji Matsumoto
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Patent number: 6083752Abstract: A DNA fragment coding for a decarbamylase protein improved in thermostability as the result of replacement of at least one base of a DNA fragment coding for a decarbamylase protein derived from a microorganism with another base and the resultant replacement of at least one of the corresponding amino acids, and its production process; a vector containing the DNA fragment; a transformant obtained by transformation with the vector; as well as a decarbamylase improved in thermostability and its production process. Also disclosed is a process for producing a D-.alpha.-amino acid, which comprises converting an N-carbamoyl-D-.alpha.-amino acid into the corresponding D-.alpha.-amino acid in an aqueous medium by the action of a decarbamylase having a thermostable temperature of 65.degree. C. or higher; and collecting the D-.alpha.-amino acid produced.Type: GrantFiled: June 16, 1997Date of Patent: July 4, 2000Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Yasuhiro Ikenaka, Hirokazu Nanba, Masayuki Takano, Kazuyoshi Yajima, Yukio Yamada, Satomi Takahashi
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Patent number: 6077878Abstract: The present invention relates to a foamed article comprising a modified polypropylene resin which is a graft copolymer of a polypropylene resin and an aromatic vinyl monomer and has an average number of the grafted aromatic vinyl chains of not less than 1 in one molecule of the graft copolymer and a weight average molecular weight of the grafted aromatic vinyl chains of not less than 200, and relates to a process for preparation thereof. According to the present invention, the foamed article comprising the polypropylene resin and having a high closed cell content, a high expansion ratio and good external appearance can be provided.Type: GrantFiled: December 17, 1997Date of Patent: June 20, 2000Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Tetsuo Okura, Mitsuharu Kourogi, Yoshifumi Fukui, Hesun Kim, Haruo Tomita, Osamu Miyama, Taizo Aoyama
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Patent number: 6046354Abstract: A novel glycerol derivative, a process for preparing the same, and a process for preparing a triazole derivative. An optically active 2-arylglycerol derivative which is novel and useful as a synthetic intermediate of medicament is provided, and furthermore, (R)-2-(2,4-difluorophenyl)-3-(1H-1,2,4-triazole-1-yl)-propane-1,2-diol, which is useful as an antifungal agent, is prepared.Type: GrantFiled: August 31, 1998Date of Patent: April 4, 2000Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Yoshihiko Yasohara, Kenji Miyamoto, Noriyuki Kizaki, Shigeru Kawano, Junzo Hasegawa
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Patent number: 6037458Abstract: An adsorbent for a serum amyloid protein, which comprises a water-insoluble carrier and either a compound selected from the group consisting of a compound having an anionic functional group, a polyanionic compound having more than one anionic functional groups, aniline and an aniline derivative, said compound being immobilized onto said carrier, or a group of the formula: --NR.sup.1 R.sup.2, wherein R.sup.1 is hydrogen atom, methyl group or ethyl group, and R.sup.2 is an atomic group satisfying that the value of log P, in which P is a distribution coefficient in a water-octanol system, of a compound of the formula: R.sup.2 H is from 0 to 3.2, said group being bonded to said carrier, and a method for removing a serum amyloid protein from body fluid through a removing apparatus using the above adsorbent. According to the present invention, SA proteins, particularly SAA proteins and SAP proteins can be selectively removed from body fluid without decreasing HDL largely.Type: GrantFiled: September 22, 1992Date of Patent: March 14, 2000Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Fumiyasu Hirai, Nobutaka Tani
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Patent number: 6033770Abstract: 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 to 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: May 27, 1997Date of Patent: March 7, 2000Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Kiyoshi Matsuki, Izumi Ibata
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Patent number: 6031068Abstract: The object of the present invention is to provide polyimide composition having such excellent property as low water absorption and low hygroscopic swelling, and a base tape for a TAB carrier tape and a FPC.The another object of the present invention is to provide polyimide composition comprising polyimide consisting of a repeating unit of the general formula (1): ##STR1## The further object of the present invention is to provide a base tape for a TAB carrier tape containing polyimide film made from said polyimide composition as a base film and a FPC containing polyimide film made from said polyimide composition as an insulating material.Type: GrantFiled: October 23, 1998Date of Patent: February 29, 2000Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventor: Kohji Okada
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Patent number: 5962279Abstract: A process for the efficient production of a D-amino acid from the corresponding DL-5-substituted hydantoin by one-step reaction which comprises using a composite immobilized enzyme at a pH about neutrality, said composite immobilized enzyme being obtained by immobilizing a hydantoinase having its optimal pH within an alkaline range and a D-N-carbamyl-.alpha.-amino acid amidohydrolase having its optimal pH about neutrality in a coexisting state on an immobilizing support, simultaneously, is disclosed.Type: GrantFiled: August 16, 1996Date of Patent: October 5, 1999Assignee: Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Hirokazu Nanba, Yukio Yamada, Kazuyoshi Yajima, Masayuki Takano, Yasuhiro Ikenaka, Satomi Takahashi, Takehisa Ohashi
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Patent number: 5952380Abstract: A pharmaceutical composition for treating diarrhea comprising an anti-diarrhea effective amount of conagenin or a salt thereof, and a pharmaceutically acceptable carrier. The pharmaceutical composition is particularly useful against diarrhea caused by the administration of cancer chemotherapeutic agents.Type: GrantFiled: March 27, 1997Date of Patent: September 14, 1999Assignees: Zaidan Hojin Biseibutsu Kagaku Kenkyu Kai, Taino Pharmaceutical Co., Ltd., Kanegafuchi Kagaku Kogyo Kabushiki KaishaInventors: Masaaki Ishizuka, Kenji Maeda, Tomio Takeuchi, Toshiyuki Toko, Tadayoshi Shiraishi