Matsushita Electric Industrial Co., Ltd.

National Institute of Advanced Industrial Science and Technology

Shionogi Company Limited

Sumitomo Electric Industries, Limited

Research Foundation Itsuu Laboratory

Kawasaki Jukogyo Kabushiki Kaisha

Agency of Industrial Science and Technology

Nagoya University

Matushita Electric Industrial Co., Ltd.

Tsutomu Iwaki

Yoshio Moriwaki

Hajime Seri

Yoichiro Tsuji

Takaharu Gamo

Yasuharu Yamamura

Tetsuo Sakai

Akemi Shintani

Nobuyuki Yanagihara

Kazuki Okuno

Naoko Owada

Hideyuki Suzuki

Osamu Yoshida

Isao Matsumoto

Masahiro Kato

Masataro Fukuda

Iwao Utsunomiya

Masaru Yao

Yoshihiro Kobayashi

Tatsuro Yasukata

Issei Kato

Masatoshi Majima

Kazuhito Hatoh

Koichi Shudo

Hiroshi Kawano

Hisaaki Gyoten

Keizo Harada

Yoshinori Toyoguchi

Noboru Taniguchi

Takashi Mukai

Yoshiyuki Taoda

Kenji Morimoto

Junji Niikura

Takahiro Higashino

Toshiaki Aoki

Yasuhiro Nishitani

Jun Lu

Yoshinori Tamura

Takashi Kawasuji

Toshiyuki Akiyama

Kazuo Tsutsumi

Masahiro Yanagida

Toshio Yamashita

Jin-Joo Park

Takaharu Gamou

Kazuya Nishimura

Kenji Tomita

Yoshinori Yamano

Yutaka Yoshida

Masafumi Iwatsu

Shuichi Sugiyama

Tomoaki Takasaki

Hirokazu Arimoto

Kayo Yasoshima

Issei Katoh

Norikazu Kuroda

Mamoru Ishitobi

A current collector included in a fuel cell, the fuel cell including a membrane electrode assembly including a solid polymer electrolyte layer and a pair of electrode layers formed to sandwich the solid polymer electrolyte layer, the current collector stacked on each electrode layer, and a gas flow path for supply of a gas to each electrode layer, the current collector including a metal porous body which is stacked on the electrode layer, has a flowing gas supplied to the electrode layer, and is rendered conducting to the electrode layer, and the metal porous body including an electrically conductive layer containing electrically conductive particles fixed to a corrosion-resistant and water-repellent resin at least on a side of the electrode layer.

Current collector for fuel cell, and fuel cell

Disclosed is a nickel positive electrode for a fiber battery having a long life duration, and also being enabling a high output and high capacity to be attained. For this purpose, the nickel positive electrode for a fiber battery is obtained by coating a carbon fiber with nickel, then causing a cathodic polarization in a nickel nitrate bath using the nickel-coated carbon fiber as a cathode, and then immersing the precipitate, which was deposited on the surface of the carbon fiber by the cathodic polarization, in an aqueous caustic alkali solution.

Nickel positive electrode for fiber battery

The present invention provides a novel compound having an antiviral action, in particular, an HIV replication inhibiting action, as well as a pharmaceutical composition, in particular, an anti-HIV agent. wherein, a broken line means the presence or absence of a bond; Ris substituted or unsubstituted alkyl etc., Ris substituted or unsubstituted alkyloxy etc.; n isor; Ris a substituted or unsubstituted aromatic carbocyclic group; Ris a hydrogen atom etc.; Ris a substituted or unsubstituted aromatic carbocyclic group etc.; Y is a single bond etc.; Ris substituted or unsubstituted alkyl; Ris &#x2014;Z&#x2014;Retc.; Z is &#x2014;NR&#x2014;CO&#x2014; etc.; Ris substituted or unsubstituted alkyl etc.; Ris a hydrogen atom etc.

HIV replication inhibitor

The present invention provides a novel glycopeptide antibiotic derivative. These derivatives are represented by the formula (I) or a pharmaceutically acceptable salt or solvate thereof,whereinRis&#x2014;X&#x2014;Ar&#x2014;X&#x2014;Y&#x2014;X&#x2014;Ar

Glycopeptide antibiotic derivative

Novel glycopeptide antibiotic derivatives. These derivatives are represented by the formula (aglycon part of glycopeptide antibiotic derivative)-(Sac-NH)&#x2014;R[wherein (aglycon part of glycopeptide antibiotic derivative) is the part formed by removing the sugar part from a known glycopeptide antibiotic derivative; (Sac-NH) part is an amino sugar part or a sugar chain part containing an amino sugar; and Rrepresents, e.g., the formula &#x2014;X&#x2014;Ar&#x2014;X&#x2014;Y&#x2014;X&#x2014;Ar(wherein X, X, and Xeach represents 1) a single bond or 2) a heteroatom or heteroatom-containing group selected from the group consisting of &#x2014;N&#x2550;, &#x2550;N&#x2014;, &#x2014;NR&#x2014;, &#x2014;O&#x2014;, etc.; Y represents &#x2014;NRCO&#x2014; or &#x2014;CONR&#x2014; (wherein Rrepresents hydrogen or lower alkyl), etc.)]. These derivatives have antibacterial activity against vancomycin-resistant bacteria.

Glycopeptide antibiotic monomer derivatives

The present invention provides a novel antimicrobial drug comprising an oxazolidinone derivative of the formula (I): or a pharmaceutically acceptable salt or solvate thereof.

Oxazolidinone derivative having fused ring

The present invention provides a novel oxazolidinone derivative of the formula (I): wherein Rings A and B are defined as in the specification; Xis a single bond, or a heteroatom-containing group selected from the group consisting of &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;NR&#x2014;, &#x2014;CO&#x2014;, &#x2014;CS&#x2014;, &#x2014;CONR&#x2014;, &#x2014;NRCO&#x2014;, &#x2014;SONR&#x2014;, and NRSO&#x2014;, wherein R, R, R, R, and Rare independently hydrogen or lower alkyl, or lower alkylene or lower alkenylene each optionally interrupted by said heteroatom containing group; and Ris hydrogen, or an organic residue which is able to bind to the 5-position of the oxazolidinone ring in oxazolidinone antimicrobial agents, pharmaceutically acceptable salts and solvates thereof which are useful as an antibacterial agent.

Oxazolidinone derivative having 7-membered hetero ring

An electrode substrate for a battery has nickel applied as a coat on the surface of a base constituted of crossing of a plurality of fibers including a core formed of synthetic resin and a coating of synthetic resin having a softening temperature lower than the softening temperature of the synthetic resin forming the core. The electrode substrate has the fibers of the base fusion-bonded at a cross point by heat treatment. The ratio of the coating occupying a II-II cross section of the fiber cross point is larger than the ratio of the coating occupying a fiber cross section (III-III cross section) at a site other than at the cross point.

Battery electrode substrate, and electrode employing the same

A method of producing an electrode includes the steps of filling an active material in an electrode substrate made of woven or non-woven fabric having its fiber surface coated with metal, and pressing the electrode substrate to obtain an electrode, wherein the pressing is performed using the electrode substrate having a thickness of less than 2.0 t when the thickness of the electrode after the pressing is t. This ensues that the electrode substrate has a thickness allowing the active material of a sufficient amount to be filled therein, and a battery electrode in which the filled active material is unlikely to peel off from the electrode substrate can be produced. Accordingly, a battery electrode having a desired thickness and desired capacity and that can suppress degradation in battery performance due to repeated charge and discharge, and its producing method are provided.

Battery electrode producing method of filling active material into a metal coated fabric substrate

In a method for producing a multi-component hydrogen storage alloy including metals of zirconium or vanadium, oxides of these metals is used to produce an alloy having characteristics equivalent to that produced with pure metals. It comprises steps of calcining the raw material, wherein at least one selected from the group consisting of zirconium and vanadium is included in its oxide form, at a temperature ranging from 900.degree. C. to 1300.degree. C., mixing metal calcium with said calcined raw material, and treating the mixture with heat at a temperature ranging from the melting point of metal calcium to 1300.degree. C., under inert gas atmosphere.

Method for producing hydrogen storage alloy

The present invention provides a hydrogen storing alloy electrode having a large discharging capacity and a long lifetime at a high temperature. The electrode is also excellent in discharging characteristics in the early charging and discharging cycles. In one aspect of the present invention, the hydrogen storing alloy electrode is made of a hydrogen storing alloy represented by the general formula ZrMn.sub.m V.sub.x X.sub.y Ni.sub.z or a hydride thereof, wherein X is Al, Zn or W; m, x, y, and z are respectively mole ratio of Mn, V, X, and Ni to Zr: 0.4.ltoreq.m.ltoreq.0.8, 0.1.ltoreq.x.ltoreq.0.3, 1.0.ltoreq.z.ltoreq.1.5, and 2.0.ltoreq.m+x+y+z.ltoreq.2.4; when X is Al or Zn, 0&lt;y.ltoreq.0.2; and when X is W, 0&lt;y.ltoreq.0.1. The alloy has mainly C15-type Laves phases with a crystal structure of MgCu.sub.2 type face center cubix. The alloy has a crystal lattice constant .alpha. 7.03 angstroms or more and 7.10 angstroms or less.

Hydrogen storing alloy electrode

A hydrogen storage alloy preferably used for electrodes in alkaline rechargeable battery is of the general formula: Zr.sub.1.2-a Ti.sub.a Mn.sub.v Al.sub.w Ni.sub.x M.sub.y Cr.sub.z wherein M represents at least one element selected from the group consisting of Si, Zn, Sn, Fe, Mo, Cu and Co; and wherein 0.1.ltoreq.a&lt;1.2, 0.4.ltoreq.v.ltoreq.1.2, 0&lt;w.ltoreq.0.3, 0.8.ltoreq.x.ltoreq.1.6, 0.ltoreq.y.ltoreq.0.2, 0.ltoreq.z.ltoreq.0.3, and 1.7.ltoreq.(v+w+x+y+z).ltoreq.2.7. The alloy has at least one of a C14-type Laves phase of a crystal structure similar to that of MgZn.sub.2 and a C15-type Laves phase of a crystal structure similar to that of MgCu.sub.2 as a main alloy phase.

Hydrogen storage alloy and electrode therefrom

In the method of the present invention for producing a hydrogen-storing alloy, part or whole of single substance of Zr as a starting material is replaced with a ferrozirconium or a zircalloy. This method enables production of a hydrogen-storing alloy at reduced material and production costs and with high efficiency and safety of work. The alloy produced by this method has high homogeneity with no segregation. It is thus possible to obtain a hydrogen-storing alloy superior in hydrogen-storing characteristics such as hydrogen storage capacity, reaction speed, and electrode reaction efficiency in an electrolyte. It is also possible to obtain, by using this alloy, a nickel-hydrogen storage battery having a large storage capacity and capable of performing quick charging and discharging, while exhibiting longer life and higher economy.

Method of producing hydrogen-storing alloy and electrode making use of

A cell provided with a gaseous diffusion electrode is constituted of the gaseous diffusion electrode, a hydrogen-absorbing alloy electrode, and a chargeable auxiliary electrode wherein nickel hydroxide is used as the active material thereof. The chargeable auxiliary electrode may be disposed either between the gaseous diffusion electrode and the hydrogen-absorbing alloy electrode, or on the opposite side of the gaseous diffusion electrode to the hydrogen-absorbing alloy electrode. The chargeable auxiliary electrode that can be used may be either a sintered-type nickel electrode for securing a long life span, or a foamed-type nickel electrode or a fiber-type nickel electrode for securing a high capacity. The hydrogen-absorbing alloy electrode has a layer of at least one of metallic nickel, cobalt and copper on the surface of the alloy in order to suppress oxidation thereof at the time of over discharge.

Cell provided with gaseous diffusion electrode, and method of charging

A hydrogen storage alloy preferably used for electrodes in an alkaline storage battery is provided. The alloy is of the general formula ZrMn.sub.w V.sub.x Mo.sub.b M.sub.y Ni.sub.z, wherein M is at least one element selected from the group consisting of Fe and Co and 0.4.ltoreq.w.ltoreq.0.8, 0.ltoreq.x.ltoreq.0.3, 0.05.ltoreq.b.ltoreq.0.2, 0.ltoreq.y.ltoreq.0.2, 1.0.ltoreq.z.ltoreq.1.5, and 2.0.ltoreq.w+x+b+y+z.ltoreq.2.4. The alloy has C15-type Laves phases of a crystal structure similar to that of MgCu.sub.2 as a main alloy phase, and a lattice constant 'a' such that 7.05 .ANG..ltoreq.a.ltoreq.7.13 .ANG..

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Yawata, Japan

Tsutomu Iwaki