Abstract: Novel pyrimidin-4-one derivatives of formula [1] are provided, which are useful as active ingredients of herbicides, wherein R.sup.1 is hydrogen or alkyl; R.sup.2 is alkyl optionally substituted with halogen; R.sup.3 is alkyl optionally substituted with halogen, alkenyl, or alkynyl; and Q is substituted phenyl. Also provided are intermediates for their production and processes for producing these intermediates.

Abstract: A device for the production of a semiconductor compound by means of a metal organic vapor phase epitaxy method, has a structure including a metallic member disposed at a part brought into contact with an upstream flow of a raw material gas and another part for growing a compound semiconductor, wherein the metallic member is cooled to not higher than 300.degree. C. The present invention provides a device for the production of a semiconductor compound with high productivity using a metallic material, wherein processing precision is high and the risk of breakage is low.

Abstract: There is disclosed an N-(.alpha.-alkylbenzylidene)-.alpha.-phenylalkylarmine represented by the general formula (1): ##STR1## wherein R.sup.1 represents a lower alkyl group, R.sup.2 represents a hydrogen atom, a halogen atom, a lower alkyl group or a lower alkoxy group and X represents a halogen atom or a lower alkoxy group, its use and a process for producing the same and processes for producing intermediates therefor.

Abstract: A thermoplastic resin composition including at least (1) a heat-treated composition obtained by heat-treating dynamically a specific polypropylene and an olefin copolymer rubber in the presence of an organic peroxide and a crosslinking agent and (2) a specified polypropylene. In addition, an inorganic filler can be added to the thermoplastic resin composition. These compositions are superior in mechanical properties such as flexural modulus, thermal rigidity resistance and impact resistance, and can be suitably used as materials for home electric parts and the like.

Abstract: There is provided a resin composition which comprises 100 parts by weight of a saponified ethylene/vinyl acetate copolymer (A) and 0.00001-20 parts by weight of a condensed silicate of lithium aluminium double hydroxide (B) wherein the saponified ethylene/vinyl acetate copolymer (A) has 20-50 mole % ethylene units and has a saponification degree of vinyl acetate unit of at least 96%. The resin composition is excellent in heat stability. The resin composition may contain a thermoplastic resin other than the copolymer (A). The resin composition containing the copolymer (A) and the other thermoplastic resin is excellent in compatibility as well as in heat stability.

Abstract: A continuous fiber of titania are made having an average diameter per a monofilament of from 5 to 50 .mu.m, which has a BET specific surface area of 10 m.sup.2 /g or more, a pore volume of 0.05 cc/g or more, a volume of pores having a pore diameter of not less than 10 angstroms being 0.02 cc/g or more and an average tensile strength per a monofilament of 0.1 GPa or more, or which has an average tensile strength per a monofilament of 0.5 GPa or more.

Abstract: A propylene-1-butene copolymer wherein a Shore A-scale hardness measured according to ASTM D2240 is not more than 70 and an intrinsic viscosity [.eta.] measured in axylene solvent at the temperature of 70.degree. C. is not less than 0.3 and which shows no crystalline melting peak and no crystallization peak in differential scanning calorimeter (DSC) mesurement.

Abstract: A methyl methacrylic resin composition comprising:(A) 30 to 60% by weight of an unsaturated monomer mixture comprising an unsaturated monomer having at least two double bonds which can effect radical polymerization,(B) 40 to 70% by weight of resin particles made of a polymer of a methyl methacrylic unsaturated monomer comprising (i) 20 to 100 parts by weight of partially cross-linked resin particles and (ii) 0 to 80 parts by weight of uncross-linked resin particles and(C) 0.1 to 5% by weight of a radical polymerization initiator, is provided. The resin composition has an excellent handling property, generates little odor, and can be easily molded. The methyl methacrylic resin composition gives a molded article which has a high transparency, a high hardness of the surface and an excellent scratch-resistance. The molded article may be preferably used as a lamp cover.

Abstract: A method of fabricating a liquid crystal display device including a field effect transistor includes forming a gate electrode on an electrically insulating substrate, the gate electrode being located in a transistor region of the substrate; forming an electrically insulating film on the substrate and covering the gate electrode; forming source and drain electrodes on the electrically insulating film on opposite sides of the gate electrode in the transistor region; forming a display electrode on the electrically insulating substrate in a display region of the substrate, adjacent the transistor region, the drain electrode being electrically connected to the display electrode; and forming, in the transistor region, a semiconductor film of a .pi.-conjugated polymer on the source and drain electrodes and on the electrically insulating film between the source and drain electrodes in the transistor region; arranging a transparent plate, including a transparent electrode, opposite and spaced from the .pi.

Abstract: A rubber composition comprising the following components (A) to (C) and comprising no zinc-containing compound:(A): an ethylene-.alpha.-olefin copolymer rubber, ethylene-.alpha.-olefin-nonconjugated diene copolymer rubber, or, ethylene-.alpha.-olefin copolymer rubber and ethylene-.alpha.-olefin-nonconjugated diene copolymer rubber,(B): magnesium oxide, and(C): carbon black.

Abstract: A polypropylene-based resin composition comprising:(1) 55 to 75% by weight of a polypropylene-based resin (A) selected from the following (i) and (ii);(i) a crystalline propylene-ethylene block copolymer composed of a propylene homopolymer portion as a first segment and a propylene-ethylene random copolymer as a second segment, and (ii) a mixture of the crystalline propylene-ethylene block copolymer (i) and a crystalline propylene homopolymer;(2) 10 to 15% by weight of an ethylene-octene copolymer rubber (B) having a melt flow rate (measured according to JIS-K-6758, 190.degree. C.) of 0.5 to 10 g/min., an octene content of 20 to 25% by weight and a density of 0.860 to 0.875; and(3) 15 to 30% by weight of talc (C) having an average particle diameter of not more than 3 .mu.m, the total amount of (A), (B) and (C) being 100% by weight, wherein said polypropylene-based resin composition satisfies the following expression:0.25.ltoreq.(A)'/[(A)'+(B')].ltoreq.0.

Abstract: Pyrimidinone derivatives of the general formula: ##STR1## wherein R.sup.1 is hydrogen or alkyl; R.sup.2 is haloalkyl; R.sup.3 is nitrogen or CH; G is optionally substituted ethylene, trimethylene, or vinylene; and Q is selected from several heterocyclic-condensed phenyl groups, are useful as the active ingredients of herbicides because of their excellent herbicidal activity.

Abstract: A thermoplastic elastomer composition containing 100 wt. parts, in total, of an ethylene-.alpha.-olefin copolymer rubber and a polyolefin resin, and 0.1 to 150 wt. parts of at least one hydrogenated diene polymer having a hydrogenation degree of at least 70% selected from the group consisting of hydrogenated conjugated diene polymers and hydrogenated products of random copolymers comprising conjugated dienes and aromatic vinyl compounds in which the content of the aromatic vinyl compound units is 25 wt. % or less, in which the composition has a complex dynamic viscosity .eta.*(1) of 1.5.times.10.sup.5 poise or less, and a Newtonian viscosity index n of 0.67 or less. This composition provides molded articles which are not whitened on bending, and has good flexibility.

Abstract: An acoustic absorbing component comprising a fiber-reinforced thermoplastic resin expanded body having a percentage of void not less than 50 vol %, and a resin molded body. The fiber-reinforced thermoplastic resin expanded body is fused under a pressure to at least a part of a surface of said resin molded body.

Abstract: The present invention provides a pesticidal composition which comprises 4-bromo-2-(4-chlorophenyl)-1-ethoxymethyl-5-trifluromethylpyrrole-3-carbon itrile and at least one pyrethroidal compound as active ingredients, and an inert carrier, and an insecticidal/acaricidal method applying 4-bromo-2-(4-chlorophenyl)-1-ethoxymethyl-5-trifluoromethylpyrrole-3-carbo nitrile and at least one pyrethroidal compound to noxious insects, acarina, or the locus where noxious insects or acarina inhabit.

Abstract: The stilbene epoxy resin having two different aryl groups and an epoxy resin mixture including this stilbene epoxy resin have lower melting points than those of the stilbene epoxy resin having two identical aryl groups and the epoxy resin mixture of the latter stilbene epoxy resin. Compared with the conventional resins, the present resin or resin mixture has improved working and molding properties, which. shortens the time required for the molding and working process, resulting in economic advantages and a preferred affect on productivity. The present epoxy resin or resin mixture is preferably used as an adhesive, a coating, an insulating material, an electrical or electronic material for laminated sheets or the like. It is especially suited for use as material for encapsulating electronic parts.

Abstract: A flavin-containing monooxygenase comprising the amino acid sequence of SEQ ID NO:8, a microorganism producing said flavin-containing monooxygenase, a flavin-containing monooxygenase gene containing a DNA sequence coding for the amino acid sequence of SEQ ID NO:8, a flavin-containing monooxygenase gene containing the DNA sequence of SEQ ID NO:7, a plasmid containing said flavin-containing monooxygenase gene, a microorganism containing said plasmid, and a method for producing the enzyme of the present invention wherein said microorganism is cultured to produce the enzyme.

Abstract: A copper clad laminate is disclosed as being obtained by thermoforming a prepreg and a copper foil. As disclosed, the pre-preg (uncured) includes a substrate impregnated with an epoxy resin, an aryl ester compound and a curing agent. The copper-clad laminate has a low dielectric constant and a low dielectric loss tangent. It is suitable for a multilayer printed wiring board for high speed operation, especially at high-frequency region.

Abstract: A thermoplastic resin composition comprising an aromatic polycarbonate resin and an aromatic polysulfone resin and having the specific melt viscosity ratio between the two resins in the composition. This composition is excellent in heat resistance and gives a molded article of especially high temperature of deflection under load.

Abstract: Impurities are removed from aqueous hydrogen peroxide by treating the aqueous hydrogen peroxide by reverse osmosis, cation-exchanging the aqueous hydrogen peroxide and anion-exchanging the aqueous hydrogen peroxide, and the treated ultra-pure hydrogen peroxide can be used in the electronics industries.