Abstract: An object is to provide an external preparation for skin preferably usable to prevent or ameliorate pigmentation. The object is achieved by providing a preventing or ameliorating agent for pigmentation, consisting of a compound represented by the following general formula (1), an isomer thereof, and/or a pharmacologically acceptable salt thereof, and an external preparation for skin containing the same as a component: [wherein R1 represents an unsubstituted aromatic group or an aromatic group having any substituent; R2 represents a hydrogen atom, a linear chain or branched chain alkyl group having a number of carbon atom or atoms of 1 to 4, or an acyl group having a linear or branched alkyl chain having a number of carbon atom or atoms of 1 to 4; and R3 represents a hydrogen atom or a linear chain or branched chain alkyl group having a number of carbon atom or atoms of 1 to 4.

Abstract: Provided are anti-wrinkle agents having a novel scaffold that is suitable as components for external skin preparations such as cosmetics. The anti-wrinkle agents comprise compounds represented by general formula (1), stereoisomers thereof, or pharmacologically acceptable salts thereof. Said anti-wrinkle agents have excellent efficacy in improving wrinkles and sagging that are caused by skin aging with increased age or occur as a result of photoaging due to ultraviolet rays exposure. [In the formula, R1 represents a hydrogen atom or a 1 to 8 carbon straight or branched alkyl group. R2 represents —SH, —SO3H, —S—S—X1, —S—X2, —SO—X3, —SO2—X4, —SO2—NY1—X5 or —SO2—NY2—Y3. X1-X5 independently are hydrogen atoms or 1 to 8 carbon aliphatic hydrocarbon groups or 5 to 12 carbon aromatic moiety wherein carbon atoms may be substituted with heteroatoms. Y1 to Y3 independently represent hydrogen atoms or 1 to 8 carbon linear or branched alkyl groups.

Abstract: An object of the present invention is to provide a prophylactic or ameliorating agent for pigmentation having a novel scaffold and an external preparation for skin containing the same as a component.

Abstract: An object is to provide an external preparation for skin preferably usable to prevent or ameliorate pigmentation. The object is achieved by providing a preventing or ameliorating agent for pigmentation, consisting of a compound represented by the following general formula (1), an isomer thereof, and/or a pharmacologically acceptable salt thereof, and an external preparation for skin containing the same as a component: [wherein R1 represents an unsubstituted aromatic group or an aromatic group having any substituent; R2 represents a hydrogen atom, a linear chain or branched chain alkyl group having a number of carbon atom or atoms of 1 to 4, or an acyl group having a linear or branched alkyl chain having a number of carbon atom or atoms of 1 to 4; and R3 represents a hydrogen atom or a linear chain or branched chain alkyl group having a number of carbon atom or atoms of 1 to 4.

Abstract: There is provided a moisture-reactive composition comprising a moisture-reactive organometallic compound, and a polymer having a carboxyl group at the end of a main chain or a side chain. A moisture-absorbing film formed of the moisture-reactive composition is also provided. An organic electroluminescent device comprising the moisture-reactive composition is also provided wherein a laminate is formed by interposing an organic luminescent material layer made of an organic material between a pair of electrodes facing each other, and a structure shields the laminate from the outside air, and drying means are arranged in the structure, wherein the drying means is formed of the moisture-reactive composition.

Abstract: Disclosed herein is a moisture-reactive composition having a moisture-reactive polysiloxane having a main chain and one or more side chains, wherein the main chain and/or the one or more side chains has a group represented by the formula: —MXmYn; and wherein M is selected from the group consisting of a multivalent metal atom, B, and P?O; X is a hydrogen atom, a substituted or nonsubstituted alkyl, alkenyl or alkoxy group; Y is a substituted or nonsubstituted alkoxy, siloxy, carboxyl, or diketolate group; m is from 1 to 3; and n is from 0 to 2.

Abstract: Provided are anti-wrinkle agents having a novel scaffold that is suitable as components for external skin preparations such as cosmetics. The anti-wrinkle agents comprise compounds represented by general formula (1), stereoisomers thereof, or pharmacologically acceptable salts thereof. Said anti-wrinkle agents have excellent efficacy in improving wrinkles and sagging that are caused by skin aging with increased age or occur as a result of photoaging due to ultraviolet rays exposure. [In the formula, R1 represents a hydrogen atom or a 1 to 8 carbon straight or branched alkyl group. R2 represents —SH, —SO3H, —S—S—X1, —S—X2, —SO—X3, —SO2—X4, —SO2—NY1—X5 or —SO2—NY2—Y3. X1-X5 independently are hydrogen atoms or 1 to 8 carbon aliphatic hydrocarbon groups or 5 to 12 carbon aromatic moiety wherein carbon atoms may be substituted with heteroatoms. Y1 to Y3 independently represent hydrogen atoms or 1 to 8 carbon linear or branched alkyl groups.

Abstract: A composition usable as a moisture absorbent for an organic electroluminescence device. A photocurable hygroscopic composition comprising (a) a moisture-reactive organic metal compound, (b) a (meth)acrylate, (c) a carboxyl group-containing polymerizable monomer, and (d) a photopolymerization initiator. The proportion of the moisture-reactive organic metal compound (a) is from 5 to 70 wt % based on the entire composition, and the proportion of the carboxyl group-containing polymerizable monomer (c) is from 0.1 to 50 mol % based on the moisture-reactive organic metal compound (a).

Abstract: There is provided a moisture-reactive composition comprising a moisture-reactive organometallic compound, and a polymer having a carboxyl group at the end of a main chain or a side chain. A moisture-absorbing film formed of the moisture-reactive composition is also provided. An organic electroluminescent device comprising the moisture-reactive composition is also provided wherein a laminate is formed by interposing an organic luminescent material layer made of an organic material between a pair of electrodes facing each other, and a structure shields the laminate from the outside air, and drying means are arranged in the structure, wherein the drying means is formed of the moisture-reactive composition.

Abstract: A composition usable as a moisture absorbent for an organic electroluminescence device. A photocurable hygroscopic composition comprising (a) a moisture-reactive organic metal compound, (b) a (meth)acrylate, (c) a carboxyl group-containing polymerizable monomer, and (d) a photopolymerization initiator. The proportion of the moisture-reactive organic metal compound (a) is from 5 to 70 wt % based on the entire composition, and the proportion of the carboxyl group-containing polymerizable monomer (c) is from 0.1 to 50 mol % based on the moisture-reactive organic metal compound (a).

Abstract: An adhesive encapsulating composition and an encapsulating film, which are useful as an encapsulant for an organic electroluminescence device or other electronic devices is provided. The adhesive encapsulating composition includes a hydrogenated cyclic olefin-based polymer and a polyisobutylene resin having a weight average molecular weight of 500,000 or more. Some embodiments of the adhesive encapsulating•composition include a hydrogenated cyclic olefin-based polymer, a polyisobutylene resin having a weight average molecular weight of 500,000 or more, a photocurable resin, and a photopolymerization initiator.

Abstract: Disclosed herein is a moisture-reactive composition having a moisture-reactive polysiloxane having a main chain and one or more side chains, wherein the main chain and/or the one or more side chains has a group represented by the formula: —MXmYn; and wherein M is selected from the group consisting of a multivalent metal atom, B, and P?O; X is a hydrogen atom, a substituted or nonsubstituted alkyl, alkenyl or alkoxy group; Y is a substituted or nonsubstituted alkoxy, siloxy, carboxyl, or diketolate group; m is from 1 to 3; and n is from 0 to 2.

Abstract: An air intake device of an internal combustion engine which is capable of enhancing the air intake efficiency and reducing the size is provided. The internal combustion engine includes a cylinder head, an intake manifold provided at a longitudinal side surface of the cylinder head, and a head cover provided on the cylinder head. The air intake device of the internal combustion engine includes an air cleaner including an upper casing and a lower casing detachably coupled to each other and incorporating a filter element, an atmospheric air introduction pipe for introducing air to the air cleaner, and an intake pipe extending from the air cleaner to the intake manifold.

Abstract: In a behind-the-ear hearing aid 1 having a hook 3, a tube 4 and a joint 5 between a hearing aid body 2 and an ear-plug 6, the joint 5 is provided with a damper 8. It is desirable that the value of the acoustic impedance of the damper 8 be less than ±10% of the value of the characteristic impedance of a path 7 formed by making connections between the hook 3, the tube 4 and the joint 5.

Abstract: An adapter of unknown properties necessary for performing simple N-port calibration is prepared and simple N-port calibration is performed on a network analyzer using the adapter. Moreover, the open reference, short reference, and load reference are measured in succession, with the adapter in a disassembled state, at the test ports to which the adapter was connected during calibration. Finally, the calibration coefficient obtained by simple N-port calibration is corrected using the properties of the adapter found from the measured values of each reference. N is an integer of two or more.

Abstract: An organic electroluminescence device having a substrate on which a first electrode is provided on the surface and including at least one projection. A functional layer is provided so as to cover the projection, and a second electrode is formed on that functional layer. A cross-sectional contour of an end of a surface of the projection contacting the functional layer is a shape satisfying a predetermined relationship.

Abstract: A calibrated network analyzer is re-calibrated by measuring a circuit parameter of a standard device, specifying the type of error coefficient relating to this measured circuit parameter, and calculating an error coefficient of this specified type using this measured circuit parameter. Moreover, of the circuit parameters necessary for this calculation, a circuit parameter other than this measured circuit parameter is reproduced using the theoretical value of this circuit parameter and the standard coefficient obtained by this calibration.

Abstract: An organic electroluminescence device having a substrate on which a first electrode is provided on the surface and including at least one projection. A functional layer is provided so as to cover the projection, and a second electrode is formed on that functional layer. A cross-sectional contour of an end of a surface of the projection contacting the functional layer is a shape satisfying a predetermined relationship.

Abstract: An air intake device of an internal combustion engine which is capable of enhancing the air intake efficiency and reducing the size is provided. The internal combustion engine includes a cylinder head 4, an intake manifold 6 provided at a longitudinal side surface of the cylinder head, and a head cover 5 provided on the cylinder head 4. The air intake device of the internal combustion engine includes an air cleaner 9 including an upper casing 11 and a lower casing 10 detachably coupled to each other and incorporating a filter element 12, an atmospheric air introduction pipe 14 for introducing air to the air cleaner, and an intake pipe 15 extending from the air cleaner to the intake manifold. The air cleaner is provided at an end of the head cover in a direction of the crank axis so that the lower casing of the air cleaner vertically corresponds to the head cover.

Abstract: An organic electroluminescence device having a substrate on which a first electrode is provided on the surface and including at least one projection. A functional layer is provided so as to cover the projection, and a second electrode is formed on that functional layer. A cross-sectional contour of an end of a surface of the projection contacting the functional layer is a shape satisfying a predetermined relationship.