Abstract: Application of an alkaline earth metal salt selected from calcium and strontium salts can steadily denature the allergens those exist in the environment without any coloring trouble on the treated material.

Abstract: There is provided a multilayer film comprising two outer layers and at least one inner layer interposed between the outer layers, wherein the multilayer film:

Abstract: A color filter array having a blue filter layer on a substrate wherein the blue filter layer comprises triallylmethane dye showing its absorption maximum at a wavelength within the range of from 550 to 650 nm; and has a transmittance at a wavelength of 450 nm of 70% or more and that at 650 nm of 5% or less is provided; and the color filter array shows excellent spectroscopic characteristics with respect to blue light and has a blue filter layer excellent in light fastness.

Abstract: A method for denaturing allergens with an effective amount of a rare earth metal salt.

Abstract: A synthesis experiment automation system is provided with a robot, which transports synthesis reaction containers from a reaction container rack to a dispensing/separation position of a dispensing and separation device, and transports the synthesis reaction containers to a predetermined position in a temperature regulator unit of a reaction device, where a reaction is carried out under previously set experiment conditions; and with a computer, which controls the actions of the robot and the operations of the dispensing and separation device and the reaction device in accordance with a plurality of previously set experiment conditions. Accordingly, the synthesis experiment automation system is capable of simultaneously performing a plurality of different experiments as complex as those usually performed by researchers, and, moreover, has a large number of possible experiment operations, and can easily be improved and/or extended.

Abstract: The object of the present invention is to provide a process for producing particles of a metal compound having a spherical particle shape and an average particle diameter larger than 0.3 &mgr;m without employing high-pressure conditions. This object is achieved by a process for producing particle of a metal compound comprising a step of adjusting pH of an aqueous solution containing urea and at least one metal element to from 4 to 8, a step of heating the aqueous solution under normal pressure, a step of separating a solid from the solution, and a step of drying the solid.

Abstract: The present invention provides a compound which can be purified by conventional acid/base extraction.

Abstract: A process for preparing compounds represented by the following general formula (I) wherein X represents chlorine atom, bromine atom, or iodine atom, and R includes alkoxy group and amino group which comprises the step of allowing a compound represented by the formula: CH2═CXF react with a compound represented by the formula: N2CHCOR in the presence of a catalyst containing a metal atom such as a transition metal of group 8 together with chiral carboxylic-type or amide-type ligands to preferentially obtain a stereoisomer of the compound of the general formula (I) wherein the stereochemical configuration at the 1-position is S-configuration

Abstract: A polymer composition having satisfactory processing stability is provided which comprises a polymer; a bisphenol monoester represented by the Formula (1): wherein R1 represents hydrogen, alkyl or phenyl group; R2 and R3 each independently represents alkyl group; and R4 and R5 each independently represents hydrogen or methyl group; and a bisphenol diester represented by Formula (2) wherein R6 represents hydrogen, alkyl or phenyl group; R7 and R8each independently represents alkyl group; and R9 and R10 each independently represents hydrogen or methyl group in which amount of the compound of formula (2) is 0.001 to 5 parts by weight based on 100 parts by weight of the total amount of the compounds of formulae (1) and (2).

Abstract: Alpha alumina powder having a regulated particle size, a uniform particle shape and a narrow particle size distribution and further a low halogen content is produced by calcining at least one starting material selected from transition alumina and alumina compounds in a halogen-containing atmosphere which comprises a hydrogen halide gas, a halogen gas or a mixture of a halogen gas and steam and contains at least 0.1% by volume of at least one halogen-containing gas selected from the group consisting of hydrogen halide gas and halogen gas, and removing halogen from a calcined material. The produced alpha-alumina powder is excellent in a packing property and homogeneously packed.

Abstract: A process for producing &agr;-alumina containing &agr;-alumina single crystal particles characterized in that at least one of a transition alumina and transition alumina precursor is calcined in an atmosphere containing at least 1% by volume of hydrogen chloride at a temperature of not less than 600° C., preferably from 600 to 1,400° C., and more preferably from 800 to 1,200° C. Aluminum hydroxide, alum, aluminum sulfate, etc. are used as the alumina raw material capable of being converted to transition alumina on heating. &agr;-Alumina comprising octahedral or higher polyhedral &agr;-alumina single crystal particles have a high alumina purity above a given level, are fine and homogeneous, have a narrow particle size distribution, are not agglomerated particles, and can be obtained from raw materials of various kinds, purities, shapes, sizes, and compositions.

Abstract: The present invention relates to an isolated or modified esterase having the excellent thermostable property which can be utilized for ester hydrolysis reaction, ester synthesis reaction, ester interchange reaction and its gene. The esterase is characterized in that it has at least a partial amino acid sequence necessary for expressing the thermostable esterase activity among the amino acid sequence shown by SEQ ID NO: 2 and further has an amino acid substitution described herein.

Abstract: An isolated esterase gene coding for an esterase capable of causing asymmetric hydrolysis of an organic carboxylic acid ester of a cyclopentenolone of formula I: 1

Abstract: Provided are ectoparasite control compositions, a method of controlling an ectoparasite and uses of a composition for controlling an ectoparasite. The ectoparasite control compositions comprise a solvent and 1-methyl-2-nitro-3-[(3-tetrahydrofuryl)methyl]guanidine, wherein said solvent contains mainly N-methyl-2-pyrrolidone. The methods of controlling an ectoparasite, comprise applying to a host animal, an ectoparasite control composition which comprises a solvent and 1-methyl-2-nitro-3-[(3-tetrahydrofuryl)methyl]guanidine, wherein said solvent contains mainly N-methyl-2-pyrrolidone.

Abstract: An acrylic resin film made from a composition having 95 to 50 wt. parts of an acrylic resin having a glass transition temperature of 60 to 110° C. and a weight average molecular weight of 70,000 to 600,000, and 5 to 50 wt. parts of a multilayer-structured acrylic polymer containing an elastomeric layer, and a multilayer film having the above acrylic resin film and other resin film. These films have better thickness accuracy, surface smoothness and surface hardness than conventional acrylic resin films, with excellent properties as films for use in simultaneous injection molding and lamination, agricultural films, display films, masking films, paint-substitute films, and the like.

Abstract: The present invention provides a compound which can be purified by conventional acid/base extraction.

Abstract: Triphenylmethane derivatives represented by the general formula: 1

Abstract: The present invention relates to an esterase having the excellent thermostable property which can be utilized for ester hydrolysis reaction, ester synthesis reaction, ester interchange reaction and the like and its gene.

Abstract: A non-aqueous electrolyte battery separator comprising a heat-resistant nitrogen-containing aromatic polymer and a ceramic powder.

Abstract: It is possible to repel arthropod by applying 4-hydroxy-6-methyl-3-(4- methylpentanoyl)-2-pyrone of formula: to a place where it is desired to repel arthropods.