Abstract: Disclosed herein are an electrode substrate provided with peripheral sealers for a fuel cell, comprisingtwo porous and carbonaceous electrodes respectively provided with flow channels of the reactant gas, said electrodes being joined to the both surfaces of a separator via a flexible graphite sheet so that said flow channels in one of said electrodes are perpendicular to those in another said electrode and said separator having the extended part which extends beyond a periphery of said electrode which is parallel to said flow channels in said electrode andeach peripheral sealer on the side of said electrode parallel to said flow channels therein, which comprises a gas impermeable and compact carbon material, said peripheral sealer being joined to said extended part of said separator via a flexible graphite sheet,the whole composite materials being formed into one body as carbon by calcination thereof under a reduced pressure and/or in an inert atmosphere, and a process for producing the electrode substrate fo

Abstract: Disclosed herein are an anti-tumor substance obtained by bonding an anti-tumor agent to human immunoglobulin, and a process for producing the same.

Abstract: Disclosed herein are a cephalosporin derivative represented by the formula (I): ##STR1## wherein R.sup.1 represents a halogenoalkyl group, a salt and ester thereof, a process for producing the same, and a pharmaceutical composition and an antibacterial agent comprising the same.

Abstract: A thermoplastic resin composition of high heat resistance and high impact resistance in described, comprising: (A) 5 to 85% by weight of a copolymer prepared from 40 to 85% by weight of a monomer mixture of 2-isopropenylnaphthalene (2-IPN) and .alpha.-methylstyrene (.alpha.-MeSt), the proportion of 2-IPN being 5 to 70% by weight based on the total weight of 2-IPN and .alpha.-MeSt, 7.

Abstract: Disclosed herein is a heat-shrinkable laminate tubular film comprising a gas-barrier layer of a copolymer of vinylidene chloride, outer layers of a polyolefin, at least one intermediate layer of a polyamide or a thermoplastic polyester both of which show a crystal melting point of not more than 240.degree. C. and have a specified thickness, and adhesive layers disposed between any of the above layers.

Abstract: A vinylidene fluoride resin film having (1) a crystal melting point of 182.degree. C. or higher as measured by differential scanning calorimeter in nitrogen atmosphere at a temperature elevation speed of 10.degree. C./min; (2) a diffraction point corresponding to (1 1 .zeta.) of the .alpha.-phase crystal in the wide angle X-ray diffraction photograph; and (3) an orientation degree of the crystal of 0.85 or more when measured under irradiation of X-ray incident vertically on a major surface of the film. The vinylidene fluoride resin film is obtained by inflation accompanying melt necking stretching. The film has improved mechanical properties and heat-stability and is also adapted for use as a base film of a metallized film.

Abstract: Disclosed herein is a biaxially stretched polyparaphenylene sulfide film comprising a resin composition consisting essentially of 100 parts by weight of a resin of polyparaphenylene sulfide series and from 0.3 to 15 parts by weight of poly(4-methylpentene-1).

Abstract: Disclosed herein is a reinforced flexible graphite sheet uniformly containing a thermosetting resin prepared by impregnating a flexible graphite sheet with a liquid thermosetting resin having the carbonizing yield of more than 20% under a reduced pressure and thereafter, heat-setting the resin, an amount of the resin impregnated being in the range of 0.5 to 20% by weight based on the flexible graphite sheet.

Abstract: Disclosed herein are a derivative of dihydroxybenzamide represented by the formula(I): ##STR1## wherein (1) R.sup.1 represents a hydrogen atom or a lower alkyl group and R.sup.2 represents a straight chain-alkyl group of 4 to 12 carbon atoms, a branched chain-alkyl group of 4 to 12 carbon atoms, a cyclo-alkyl group of 4 to 12 carbon atoms, ##STR2## wherein n is an integer of 1 to 6, or a pyridyl group which is substituted or unsubstituted, or (2) R.sup.1 and R.sup.2 are cyclized to make a heterocycle containing amino group represented by the formula ##STR3## wherein X represents a nitrogen atom or a methine and Y represents a hydrogen atom, an alkyl group of 1 to 6 carbon atoms or a phenyl group, and a pharmaceutical composition containing the same.

Abstract: Disclosed herein novel compounds, 2-substituted-4-thiazolidones having anti-peptic ulcer activity, and methods for producing the same.

Abstract: Disclosed is a pharmaceutical composition containing an aminobenzoic acid derivative as an active ingredient represented by the following general formula: ##STR1## wherein .sup.1 R denotes one member selected from the group consisting of the residual groups formed by removing OH at 1(alpha) or 1(beta) position from arabinose, xylose, glucose, galactose, rhamnose and mannose, and .sup.2 R denotes hydrogen or methyl group, or a pharmaceutically acceptable salt thereof.

Abstract: A process and an apparatus for distributing short fibrous material onto a horizontally travelling sheet. A disintegrated short fibrous material is fed into a hopper comprising a substantially hollow casing disposed above the travelling sheet and having a fiber discharge port at a lower portion with of a side wall on the downstream side. A mesh having a width equal to or larger than that of the travelling sheet and having partitions provided thereabove for suppressing the transverse movement of the fiber is provided below the hopper and with a spacing above the travelling sheet. The mesh screen is horizontally and transversely vibrated to distribute the fiber therethrough onto the travelling sheet, whereby the fiber is uniformly distributed without causing pilling even if it is fed at a considerably small rate.

Abstract: A halogen-containing resin lens material, having a refractive index of n.sub.D =1.55 or higher, an Abbe number of 27 or higher and good dyeable property and comprising a copolymer containing 10 to 90 wt. % of a monomer (I) represented by the formula (I) shown below: ##STR1## wherein: R.sup.1 represents hydrogen or CH.sub.3 group; X.sup.1 a halogen atom except for fluorin; and p the number of substituted halogens which is an integer selected from 1 to 5, and n is an integer selected from 1 to 4, R.sup.1 existing in plural number and being either identical or different, X.sup.1 when existing in plural number being either identical or different and 10 to 70 wt. % of a crosslinking monomer having two or more polymerizable functional groups (the percentages being based on the copolymer weight).

Abstract: A thermoplastic resin composition of high heat resistance and high impact resistance is described, comprising: (A) 50 to 90% by weight of a copolymer prepared by copolymerization of 10 to 35% by weight of acrylonitrile, 60 to 85% by weight of a monomer mixture of 2-isopropenylnaphthalene (2-IPN) and .alpha.-methylstyrene (.alpha.-MeSt), the proportion of 2-IPN being 5 to 70% by weight based on the total weight of 2-IPN and .alpha.-MeSt, and 0 to less than 10% by weight of a vinyl monomer copolymerizable with the foregoing monomers; and (B) 10 to 50% by weight of a graft copolymer prepared by polymerizing 15 to 50 parts by weight of at least one monomer selected from the group consisting of aromatic vinyl compounds, vinyl cyanides, methacrylic acid alkyl esters, and acrylic acid alkyl esters in the presence of 50 to 85 parts by weight of a butadiene- or alkyl acrylate-based rubber, the sum of the graft and rubber components being 100 parts by weight.

Abstract: A method of restoring the immune response of a patient having a lowered immune response level is provided, in which the patient is given an effective amount of certain nitrogen-containing polysaccharides derived from Coriolus versicolor (Fr.) Quel, where the polymer units having a molecular weight of below about 5,000 have been removed therefrom.

Abstract: A solvent for chromogenic dye-precursor material for pressure-sensitive recording paper sheet, comprising 50 to 80% by weight of p-monoisopropylbiphenyl and 50 to 20% by weight of hydrogenated terphenyl, and a pressure-sensitive recording paper sheet prepared by using the solvent.

Abstract: A readily crystallizable arylenesulfide resin composition is produced by adding, to 100 parts by weight of an arylenesulfide polymer, 0.01 to 10.0 parts of an organic acid or organic acid anhydride having a high boiling or melting point such as 2,6-naphthalene dicarboxylic acid, and then heating the mixture to a temperature not lower than the melting point of the polymer. The resulting resin composition is characterized in that its crystallization from its glass state and molten state is very rapid, in that it forms very fine spherulite structures, and in that it has a high degree of crystallization, a very crystallizable character, and other desirable characteristics.

Abstract: Disclosed herein are a solvent for a chromogenic dye-precursor material for a pressure-sensitive recording paper sheet, comprising (1) 30 to 80% by weight of p-monoisopropylbiphenyl or a biphenyl mixture of not less than 80% by weight of p-monoisopropylbiphenyl, not more than 20% by weight of m-monoisopropylbiphenyl and not more than 10% by weight of diisopropylbiphenyl, and (2) 70 to 20% by weight of diisopropylnaphthalene or a naphthalene mixture of not less than 97% by weight of diisopropylnaphthalene, not more than 1% by weight of monoisopropylnaphthalene and not more than 2% by weight of triisopropylnaphthalene, and a pressure-sensitive recording paper sheet prepared by using the solvent.

Abstract: Disclosed herein are a heat-resistant and oil-resistant laminate film comprising gas-barrier resin layer(s), thermoplastic resin layer(s) different from a gas-barrier resin and adhesive layer(s) disposed between the gas-barrier resin layer and the thermoplastic resin layer, produced by co-extruding a gas-barrier resin, a thermoplastic resin and an adhesive composition and irradiating the co-extruded laminate, the total number of the layers of the laminate film being not less than 3, and the adhesive layer comprising a cross-linked polymer and the adhesive composition consisting essentially of 100 parts by weight of a melt-extrudable adhesive resin and 0.1 to 50 parts by weight of a radiation-sensitive compound, and a process for producing the heat-resistant and oil-resistant laminate film.

Abstract: Disclosed herein is a pressure-sensitive recording material including such a sheet excellent in the durability and definition of the recorded images transcribed on another sheet, which is produced by the process comprising the step of applying the microcapsules encapsulating minute particles of a pigment dispersed in a solution of an adhesive and optionally, an oil-soluble colored dyestuff dissolved in the solvent onto a supporting material such as sheet, and a process for producing the same.