Abstract: The present invention is a method of preparing an acrylic copolymer having an acid anhydride group with a number average molecular weight of 1,500-5,000 comprising; polymerizing a monomer mixture of a radical polymerizable monomer having an acid anhydride group and another radical polymerizable monomer at a temperature of 150° C. or higher by using a radical initiator, wherein the concentration of the monomer mixture is 50-75 wt %. This method can provide an acrylic copolymer having an acid anhydride group with a relatively low molecular weight that does not cause the problem of yellowing after baking when used in an acid/epoxy curing type clear paint, by means of high temperature polymerization without the use of a large amount of an expensive initiator.

Abstract: A cationic photocatalyst composition and a photocurable composition utilizing cationic polymerization are provided which can present sufficient open time and adhesion. The cationic photocatalyst composition contains a photosensitive onium salt and a compound represented by the following formula (1). The photocurable composition contains the cationic photocatalyst composition and an epoxy compound having at least one epoxy group per molecule. Formula (1) [Compound B] (wherein R and R′ are suitably selected from hydrogen, halogen, saturated hydrocarbon groups, unsaturated hydrocarbon groups, substituting groups comprising any suitable combination of elements such as carbon, hydrogen, oxygen, nitrogen and sulfur; and l and n each is an integer of 2 or larger).

Abstract: It is an object of this invention to provide a laser piercing method capable of reducing the time required for piercing a workpiece and satisfactorily forming a pierced hole. This invention provides a laser piercing method, in which a piercing process is performed by setting the level of a nozzle 6 during piercing execution to a value higher than the level of the nozzle 6 during cutting execution, setting the pressure of the assist gas during piercing execution to a value higher than the pressure of the assist gas during cutting execution, and setting the level of a focal point O of the laser beam 1 during piercing execution lower than the level of a focal point O of the laser beam 1 during cutting execution and subsequent to the piercing process a cutting process for cutting a workpiece 5 is performed by setting the level of the nozzle 6, the pressure of the assist gas, and the level of the focal point O of the laser beam 1 to a value prescribed for cutting execution, respectively.

Abstract: The pair of support arms connected with the respectively horizontal both sides of the plural side rail members lift and lower the side rail proper consisting of a plurality of side rail members by the pivotal rotation of the support arms along the pivotally rotational loci between the high service position and the low stored position. In this motion, the connection points between the support arms and the side rail members are disposed in such a manner that the connection points of the upper side rail member make pivotally rotational motion relatively delayed in phase, with the connection points of the lowest side rail member as the fulcrums, when the side rail members are moved to descend by the pivotally rotational motion of the support arms.

Abstract: Platy potassium titanate having a mean major diameter of 1-100 &mgr;m and a mean aspect ratio of 3-500 and obtainable by subjecting magnesium or lithium potassium titanate to an acid treatment to thereby prepare platy titanate, immersing the platy titanate in a potassium hydroxide solution and then subjecting it to calcination.

Abstract: In an exhaust converter, where a casing is made by fastening and welding a cylindrical metal plate wrapped on an outer periphery of a supporting mat that is wrapped on an outer peripheral surface of a catalyst carrier, recovering means is formed at either or both of the supporting mat and the casing for recovering positional shifts of the supporting mat, thereby preventing positional shifts of the supporting mat in conjunction with fastening work of the metal plate from occurring. Such recovering means can be structured by a recess formed at an end of the casing, plural spaces formed of a crank shaped supporting mat, or a space formed at an overlapped portion at which each end of the casing is overlapped to each other.

Abstract: An iontophoresis device, which can ensure the long-term stability of drugs and which can be easily assembled when used, is provided. A donor electrode-printed portion (6) is placed on one side of a backing layer (4), and a reference electrode-printed portion (7) is placed on the other side. Both printed parts are connected to a current generating part (Ia) through a connector (Id). A drug support film (14) is joined to a drug-dissolving portion (11), and a cup-like shaped protective cover (12), which covers the drug support film (14), is removed before the device is used. The exposed drug support film (14) is attached to the skin of a user, and the device is driven by turning on a power supply of the current-generating portion (Ia).

Abstract: A thermosetting powder coating composition prepared by a wet process, which contains a mixture comprising (a) an epoxy-containing acrylic resin, (b) a polycarboxylic acid compound curing agent, (c) fine crosslinked resin particles and, optionally, (d) a resin that exists in the liquid form at room temperature.

Abstract: The present invention provides an iontophoresis device and an energization method whereby a prostaglandin can be effectively and continuously administered via a skin or mucosa. The iontophoresis device comprises the first electrode structure (31); the second electrode structure (32); and a power supply (33) electrically connected between the first and the second electrode structures (31), (32). At least one of the first and the second electrode structures contains a prostaglandin and also stabilizing means for inhibiting hydrolysis of the prostaglandin during storage. The power supply (33) is equipped with constant current supplying means and, when both electrode structures contain a prostaglandin, also polarity inverting means. Output current from the power supply may allow the prostaglandin to be delivered to a skin or mucosa.

Abstract: An objective is to provide a pressure-sensitive adhesive composition which shows pressure-sensitive adhesive properties at ordinary temperature, has the ability to cure upon irradiation and after photocure exhibits improved bond strength relative to high-polarity adherends, such as PET, PVC and metals, and improved moist heat-resisting bond strength, a pressure-sensitive adhesive and a pressure-sensitive adhesive sheet obtained from the aforementioned pressure-sensitive adhesive composition. A photocurable pressure-sensitive adhesive composition containing a polyester resin having a glass transition temperature (Tg) of 25° C. or above, a cationically photopolymerizable compound and a cationic photoinitiator.

Abstract: An antiseptic/antifungal agent comprising 2,2-dialkyl-1,3-propanediol represented by the formula (I): wherein R1 and R2 can either be identical or different from each other, and both denote an alkyl group with a carbon number of 1-4, and an endermic liniment containing the same. In addition, an endermic liniment containing 3-methyl-3-methoxybutanol and 1,2-pentanediol, and an endermic liniment containing 3-methyl-3-methoxybutanol and 2-phenoxyethanol, is provided.

Abstract: The object of this invention is to provide a float for a liquid waste disposal apparatus having a simple structure for enabling the content inside a container to be easily visually recognizable and allowing a faster and steadier solidification of an absorbed liquid waste. A water-absorptive material 6 is retained inside a spherical float 5 in a manner where a water-absorptive material 6 is wrapped by a water permeable sheet 22 inside a hemispherical primary structural portion 5a and a secondary structural portion 5b capable of being separated into two portions, and thus structured, a circle shaped hole 5c or a square shaped hole 5d of the float 5 serving as a flow path for flowing downward a liquid waste 21 absorbed from an upper portion into a lying member L is formed at the surface of the float 5. The float 5 is contained inside the lying member L in a floatable manner permitted to revolve in a vertical direction.

Abstract: A carrier supporting mat for exhaust converter for supporting a catalyst carrier is structured in having heat insulating mat members on an inner side as to direct contact with the catalyst carrier, an expansible mat member including a vermiculite on an outer side of the heat insulating mat members, and at least one heat insulating sheet member disposed among the mat members. Heats from exhaust gas is cut off by the heat insulating mat members, and expansion of a metal casing of the exhaust converter due to heats is followed by the expansible mat member. The sheet member creates sliding when the carrier supporting mat is lapped on the catalyst carrier because the mat members and sheet member can move correlatively and smoothly, thereby preventing wrinkles and tears from occurring.

Abstract: Acrylic copolymers are provided which have polymeric portions having different polarities or glass transition temperatures, which permit easy selection of combinations of such polymeric portions having different polarities or glass transition temperatures, which increase a design freedom and which are applicable for diverse uses. Acrylic copolymers including a polymeric backbone portion prepared via copolymerization of (a) an alkyl (meth)acrylate ester containing 1-14 carbon atoms in the alkyl, (b) an olefinic polymer or copolymer terminally modified by a free-radically polymerizable unsaturated double bond and (c) a polymer terminally modified by a free-radically polymerizable unsaturated double bond and having a number average molecular weight of 2,000-30,000 and a glass transition temperature of at least 30° C.

Abstract: An endermic liniment comprising a polyoxyethylene dicarboxylate represented by the following chemical formula (1). (In this formula, R1 and R2 are hydrogen or alkyl or branched alkyl groups having 1-4 carbon atoms, and m, n, X, and Y are integers 0-5 which are not all zero at the same time. R3 is a branched or linear chain alkylene group having 0-10 carbon atoms.) The endermic liniment of the present invention achieves superior tactile sensation during use, smoothness in particular, without a sticky sensation, while maintaining a lasting moisture retaining effect by means of blending in a humectant and a polyoxyethylene dicarboxylate.

Abstract: The invention is a reactive hot melt adhesive composition comprising a cationically polymerizable compound, on the average per molecule, having one or more cyclic ether groups such as epoxy groups, a phthalate diester compound expressed by the following formula (2) and a cationic photo-initiator: wherein in the formula (2), R5 indicates (ChH2hO)iH and R6 indicates (CkH2kO)lH or (CkH2kO)lCkH2k+1, provided that h, i, k and l each are an integer of 1 or more. The present invention provides a reactive hot melt adhesive, in which a curing reaction progresses under application of actinic radiation.

Abstract: A pack cosmetic which characteristically comprises dextrin. The present invention can provide an unprecedented superior pack cosmetic which gives high tension, adhesion, and a stretched feeling during use, is easy to remove, and can leave a superior moist feeling after removal. It can also provide a pack cosmetic which has a superior keratotic plug removal effect as well.

Abstract: The present invention is a detergent composition which contains alkali metal N-methyltaurate, alkali metal taurate or alkali metal hypotaurate salt of a specific organic acid or organic alkali N-methyltaurate, organic alkali taurate or organic alkali hypotaurate salt of a specific organic acid. The detergent composition of the present invention is an excellent detergent composition which has better foaming and foam quality, less pH dependence of the foaming, creamy foam, no creaking feeling or stretched feeling and no offensive odor.

Abstract: The present invention is an emulsion-type pack cosmetic containing polyvinyl alcohol, oil, and water which characteristically contains the oil in the amount of 20-80 wt % or 15-50 wt % of the total emulsion-type pack cosmetic. A fast-drying peel-off type pack cosmetic with a short drying time and superior usability can be provided.

Abstract: The present invention provides an iontophoresis device allowing effective and continuous absorption for a long period. The iontophoresis device comprises the first electrode structure (100a) and the second electrode structure (110a) each having a hydrophilic conductive layer (102a, 112a) containing active ingredient and an electrode member (101a, 111a), and a power supply (120a) having polarity inverting means for switching over a current direction between the two electrode structures, wherein at least one of the first and the second electrode structures contains chloride ions and before administration, a chloride-ion content (P mg) is within a range satisfying the following equation: 1.0×(I×T×0.022)≦P wherein T represents a polarity inverting time (min) until polarity is inverted after energization in a certain direction and I represents an average current (mA).