Abstract: Pharmaceutical composition particle capable of masking an unpalatable taste and improvement in dissolution properties, an orally disintegrating tablet containing the pharmaceutical composition particle, and a method for manufacturing a pharmaceutical composition particle. The pharmaceutical composition particle includes a core particle containing a drug and a water-soluble gelling swelling substance; and an outer layer which contains a water-insoluble substance and constitutes a coating provided on the outer side of the core particle. The method for manufacturing includes: pulverizing a water-soluble gelling swelling substance to have an average particle diameter of 15 ?m or less; a core particle manufacturing step of mixing the water-soluble gelling swelling substance pulverized and a drug to manufacture a core particle; and an outer layer formation step of coating the core particle with a water-insoluble substance on the outer side of the core particle.

Abstract: Provided are pharmaceutical composition particles which are capable of achieving both of masking of an unpalatable taste and improvement in dissolution properties; an orally disintegrating tablet including the pharmaceutical composition particles; and a method for manufacturing the pharmaceutical composition particles. Each of the pharmaceutical composition particles includes: a core particle containing a water-soluble gelling swelling substance; an intermediate layer containing a drug and coating an outside of the core particle; and an outer layer containing a water-insoluble substance and coating an outside of the intermediate layer. In addition, the orally disintegrating tablet includes the above-described pharmaceutical composition particles.

Abstract: Provided are pharmaceutical composition particles which are capable of achieving both of masking of an unpalatable taste and improvement in dissolution properties; an orally disintegrating tablet including the pharmaceutical composition particles; and a method for manufacturing the pharmaceutical composition particles. Each of the pharmaceutical composition particles includes: a drug-containing core particle; an intermediate layer containing a gelling swelling substance and coating an outside of the core particle; and an outermost layer containing a water-insoluble substance and coating an outside of the intermediate layer.

Abstract: The present invention provides a method for producing a high quality cationic surfactant, which is prevented from smelling and coloring, and has favorable storage stability. The production method includes the following step 1, step 2, step 3, and step 4: step 1: a step of obtaining an alkanolamine ester by reacting an alkanolamine with a fatty acid or a fatty acid alkyl ester without using hypophosphoric acid or a salt thereof; step 2: a step of obtaining a cationic surfactant by quaternizing the alkanolamine ester obtained in the step 1 with a dialkyl sulfate; step 3: a step of performing an oxidation treatment of the cationic surfactant obtained in the step 2; and step 4: a step of performing a reduction treatment of the cationic surfactant subjected to the oxidation treatment obtained in the step 3.

Abstract: The present invention provides a method for producing a high quality cationic surfactant, which is prevented from smelling and coloring, and has favorable storage stability. The production method includes the following step 1, step 2, step 3, and step 4: step 1: a step of obtaining an alkanolamine ester by reacting an alkanolamine with a fatty acid or a fatty acid alkyl ester without using hypophosphoric acid or a salt thereof; step 2: a step of obtaining a cationic surfactant by quaternizing the alkanolamine ester obtained in the step 1 with a dialkyl sulfate; step 3: a step of performing an oxidation treatment of the cationic surfactant obtained in the step 2; and step 4: a step of performing a reduction treatment of the cationic surfactant subjected to the oxidation treatment obtained in the step 3.

Abstract: The present invention provides a novel quaternary ammonium salt compound that is excellent in atomization of a pigment dispersion and storage stability, a dispersant containing the quaternary ammonium salt compound, a use of the quaternary ammonium salt compound, and a process for producing the quaternary ammonium salt compound. The present invention relates to [1] a quaternary ammonium salt compound represented by the general formula (I); [2] a dispersant containing the compound of the above [1]; [3] a use of the compound of the above [1] for dispersing a pigment; and [4] a process for producing a quaternary ammonium salt compound represented by the general formula (I), including a step of reacting a halogenated alkyl ester compound represented by the general formula (II) with a polyamine compound represented by the general formula (III).

Abstract: The present invention provides a novel quaternary ammonium salt compound that is excellent in atomization of a pigment dispersion and storage stability, a dispersant containing the quaternary ammonium salt compound, a use of the quaternary ammonium salt compound, and a process for producing the quaternary ammonium salt compound. The present invention relates to [1] a quaternary ammonium salt compound represented by the general formula (I); [2] a dispersant containing the compound of the above [1]; [3] a use of the compound of the above [1] for dispersing a pigment; and [4] a process for producing a quaternary ammonium salt compound represented by the general formula (I), including a step of reacting a halogenated alkyl ester compound represented by the general formula (II) with a polyamine compound represented by the general formula (III).

Abstract: The present invention relates to the detergent composition, containing (a) a nonionic surfactant represented by the formula (1); and (b) a sulfuric acid ester salt represented by the formula (2): R—O-(EO)m—(PO)n-(EO)m?—H??(1) wherein, R represents a hydrocarbon group having 6 to 24 carbon atoms; EO represents an ethyleneoxy group; PO represents a propyleneoxy group; m=0.1 to 25; m?=0 to 24.9; m+m?=0.5 to 25; and n=0.1 to 10; with the proviso that (EO)m, (PO)n, and (EO)m? are arranged in a block addition mode in this order; R1—O—(PO)x-(EO)y—SO3M??(2) wherein, R1 represents a hydrocarbon group having 6 to 24 carbon atoms; x=0.1 to 10; y=0 to 30; (PO)x and (EO)y are arranged in any order in any addition mode, being a block addition or a random addition, M is a counter ion.

Abstract: The present invention discloses a fiber treatment agent containing an ester compound represented by the formula (1): R1—O-((EO)1—(PO)m)-(EO)n—CO—R2 ??(1) wherein, R1 represents a hydrocarbon group containing 8 to 24 carbon atoms; R2 represents an alkyl, alkenyl or cycloalkyl group having 7 to 23 carbon atoms; EO represents an ethyleneoxy group; PO represents a propyleneoxy group; 1 and n each represent an average reacted mole number of ethyleneoxy groups, 1 ranging from 0 to 15 and n ranging from 1 to 20; m represents an average reacted mole number of propyleneoxy groups, ranging from 0.5 to 20; and ((EO)1—(PO)m) and (EO)n are arranged in block in this order, while (EO)1 and (PO)m in ((EO)1—(PO)m) may be arranged at random or in block.

Abstract: The present invention provides the nonionic surfactant represented by the formula (1): R—O—(PO)m-(EO)n—H??(1) wherein, R represents a saturated linear-chain hydrocarbon group having 8 to 18 carbon atoms, and n-octyl groups are 20 to 80% by mole of the saturated linear-chain hydrocarbon groups, n-decyl groups are 0 to 10% by mole of the saturated linear-chain hydrocarbon groups, and saturated linear-chain hydrocarbon groups having 12 to 18 carbon atoms are 20 to 80% by mole of the saturated linear-chain hydrocarbon groups; PO represents a propyleneoxy group; EO represents an ethyleneoxy group; m represents an average addition mole number of propyleneoxy groups ranging from 0.1 to 5; n represents an average addition mole number of ethyleneoxy groups ranging from 0.5 to 20; and (PO)m and (EO)n are bonded as blocks in this order.

Abstract: The present invention provides the nonionic surfactant represented by the formula (1): R—O-(PO)m-(EO)n-H??(1) wherein, R represents a saturated linear-chain hydrocarbon group having 8 to 18 carbon atoms, and n-octyl groups are 20 to 80% by mole of the saturated linear-chain hydrocarbon groups, n-decyl groups are 0 to 10% by mole of the saturated linear-chain hydrocarbon groups, and saturated linear-chain hydrocarbon groups having 12 to 18 carbon atoms are 20 to 80% by mole of the saturated linear-chain hydrocarbon groups; PO represents a propyleneoxy group; EO represents an ethyleneoxy group; m represents an average addition mole number of propyleneoxy groups ranging from 0.1 to 5; n represents an average addition mole number of ethyleneoxy groups ranging from 0.5 to 20; and (PO)m and (EO)n are bonded as blocks in this order.

Abstract: The present invention relates to a hair treating agent containing (a) an organic acid represented by the formula (1), an organic acid represented by the formula (2) or their salts and (b) a quaternary ammonium salt, a tertiary amine or a salt thereof: wherein R1 and R2 independently represent an alkyl or hydroxyalkyl group having 1 to 5 carbon atoms or —R8—COOH, R3, R4 and R8 independently represent an alkylene group having 1 to 5 carbon atoms, R5 represent an alkyl or hydroxyalkyl group having 1 to 5 carbon atoms or —R9—COOH and R6, R7 and R9 independently represent an alkylene group having 1 to 5 carbon atoms.

Abstract: The present invention relates to the detergent composition, containing (a) a nonionic surfactant represented by the formula (1); and (b) a sulfuric acid ester salt represented by the formula (2): R—O-(EO)m—(PO)n-(EO)m?—H??(1) wherein, R represents a hydrocarbon group having 6 to 24 carbon atoms; EO represents an ethyleneoxy group; PO represents a propyleneoxy group; m=0.1 to 25; m?=0 to 24.9; m+m?=0.5 to 25; and n=0.1 to 10; with the proviso that (EO)m, (PO)n, and (EO)m? are arranged in a block addition mode in this order; R1—O—(PO)x-(EO)y—SO3M??(2) wherein, R1 represents a hydrocarbon group having 6 to 24 carbon atoms; x=0.1 to 10; y=0 to 30; (PO)x and (EO)y are arranged in any order in any addition mode, being a block addition or a random addition, M is a counter ion.

Abstract: The present invention relates to a quaternary ammonium salt composition containing (a) a quaternary ammonium salt represented by the following general formula (1), (b) a specific tertiary amine and (c) an organic acid ester in specific mass ratios which is excellent in hue and storage stability, a process for producing the quaternary ammonium salt composition, and a wood preservative containing the quaternary ammonium salt composition. wherein R1 is an alkyl or alkenyl group; R2 is an alkyl, alkenyl or hydroxyalkyl group; R3 is an alkyl or hydroxyalkyl group; R4 is an alkylene group; n is a number of from 1 to 5; and A is a counter ion derived from sulfonic acid, etc.

Abstract: The present invention relates to a quaternary ammonium salt composition containing (a) a quaternary ammonium salt represented by the following general formula (1), (b) a specific tertiary amine and (c) an organic acid ester in specific mass ratios which is excellent in hue and storage stability, a process for producing the quaternary ammonium salt composition, and a wood preservative containing the quaternary ammonium salt composition. wherein R1 is an alkyl or alkenyl group; R2 is an alkyl, alkenyl or hydroxyalkyl group; R3 is an alkyl or hydroxyalkyl group; R4 is an alkylene group; n is a number of from 1 to 5; and A is a counter ion derived from sulfonic acid, etc.

Abstract: The invention relates to a hair cosmetic composition comprising amideamine (I) and aliphatic alcohol (II): wherein R1CO represents aliphatic acid residues among which C20 or more aliphatic acid residues account for 60 wt % or more, preferably 75 wt % or more, C20 aliphatic acid residues account for 3 wt % or more, and C22 aliphatic acid residues account for 50 to 95 wt %, and R2—OH??(II) wherein R2 represents C8 to C30 aliphatic hydrocarbon groups wherein linear aliphatic hydrocarbon groups account for 80 wt % or more to the total aliphatic hydrocarbon groups.

Abstract: A hair cosmetic which can impart, to hairs, flexibility, smoothness and oily feeling when the hairs are wetted and smoothness, softness and combing easiness after the hairs are dried are provided, the hair cosmetic comprising an amine represented by the formula (I): Formula (I) (wherein R1 represents a C8-40 alkyl group or alkenyl group or a group represented by the formula R5O-(AO)n—CmH2m—(R5 represents a C8-40 alkyl group or alkenyl group having 8 to 40 carbon atoms, A represents a C2-3 alkylene group, n denotes a number from 0 to 30 in average and m denotes an integer of 2 or 3), R2 represents a C1-5 alkylene group, R3 represents H, a C1-24 alkyl group, alkenyl group or hydroxyalkyl group or a C6-28 aryl group or arylalkyl group, R4 represents H, a C1-5 alkyl group, alkylene group or hydroxyalkyl group or a C6-28 aryl group or arylalkyl group, p denotes an integer from 1 to 3, q and r denote integers from 0 to 2 and p+q+r is equal to 3.

Abstract: A hair cosmetic which can impart, to hairs, flexibility, smoothness and oily feeling when the hairs are wetted and smoothness, softness and combing easiness after the hairs are dried are provided, the hair cosmetic comprising an amine represented by the formula (I): (wherein R1 represents a C8-40 alkyl group or alkenyl group or a group represented by the formula R5O-(AO)n—CmH2m—(R5 represents a C8-40 alkyl group or alkenyl group having 8 to 40 carbon atoms, A represents a C2-3 alkylene group, n denotes a number from 0 to 30 in average and m denotes an integer of 2 or 3), R2 represents a C1-5 alkylene group, R3 represents H, a C1-24 alkyl group, alkenyl group or hydroxyalkyl group or a C6-28 aryl group or arylalkyl group, R4 represents H, a C1-5 alkyl group, alkylene group or hydroxyalkyl group or a C6-28 aryl group or arylalkyl group, p denotes an integer from 1 to 3, q and r denote integers from 0 to 2 and p+q+r is equal to 3.

Abstract: The present invention relates to a hair treating agent containing (a) an organic acid represented by the formula (1), an organic acid represented by the formula (2) or their salts and (b) a quaternary ammonium salt, a tertiary amine or a salt thereof: wherein R1 and R2 independently represent an alkyl or hydroxyalkyl group having 1 to 5 carbon atoms or —R8—COOH, R3, R4 and R8 independently represent an alkylene group having 1 to 5 carbon atoms, R5 represent an alkyl or hydroxyalkyl group having 1 to 5 carbon atoms or —R9—COOH and R6, R7 and R9 independently represent an alkylene group having 1 to 5 carbon atoms.

Abstract: An aqueous high-concentration solution of N,N-dialkylglycine, economical, easy to handle, and useful for subsequent organic chemical reactions, is provided. Also is provided a process for production thereof. The aqueous high-concentration solution of N,N-dialkylglycine which contains the N,N-dialkylglycine at a concentration of 30–80% by mass, and a metal-mineral acid salt at a content of 0.3–3% by mass can be produced industrially from an aqueous N,N-dialkylglycine alkali metal salt as the source material by the steps of (i) neutralizing an aqueous solution of an N,N-dialkylglycine alkali metal salt with a mineral acid, (ii) condensing the obtained aqueous solution by removal of water, and (iii) separating by solid-liquid separation the deposited alkali metal-mineral acid salt from the resulting slurry of the aqueous N,N-dialkylglycine solution and the alkali metal-mineral acid salt.