Abstract: Cosmetic bases consisting of alkylene oxide derivatives represented by the general formula (I): Z—{O(AO)l(EO)m—(BO)nH}a(I) wherein Z is a residue derived from a compound having three to nine hydroxyl groups by the removal of the hydroxyl groups; a is 3 to 9; AO is C3-4 oxyalkylone; EO is oxyethylene; l and m represent the average numbers of added C3-4 oxyalkylene molecules and oxyalkylene molecules respectively and satisfy the relationships: 1?1?50 and l?m?50 respectively; the AO/EO weight ratio is 1/5 to 5/1 and AO's and EO's may be added at random or in block; BO is oxyalkylene having 4 carbon atoms; and n represents the average number of added BO molecules and satisfies the relationship: 0.5?n?5.

Abstract: A composition for copper patterning and a method of copper patterning using the composition are provided, which composition is excellently safe in copper patterning, sintering at lower temperatures, and capable of forming a highly conducive copper pattern of a desired shape even on a plastic substrate. The composition contains Component A: a copper ?-ketocarboxylate compound of formula (1): (R1, R2: H or C1-C6 straight- or C3-C6 branched-hydrocarbon group, etc.); and based on 1 mol of this compound, Component B: an amine compound having a boiling point of not higher than 250° C. at 0.1 to 500 mol; and Component C-1: an organic acid having pKa of not more than 4 at 0.01 to 20 mol, and/or Component C-2: an organic copper compound composed of copper and an organic acid having pKa of not more than 4 at 0.01 to 100 mol. The composition is useful in the field of electronics.

Abstract: The present invention relates, for example, to a liposome, which can be a basic liposome, a transferrin-conjugated liposome, or a pH-sensitive liposome, which encapsulates a compound that specifically inhibits the activity of a protein prenyltransferase, such as a RabGGTase and/or a GGTase I. The liposomes can be used as anti-cancer therapeutics including as part of methods for treating cancer, in assays, and in kits.

Abstract: Provided are a polymer having low cytotoxicity and capable of imparting surface hydrophilicity and biocompatibility to medical device surfaces by simple processing, a method for producing the polymer, and a surface treatment agent for medical devices. The polymer of the present invention has a particular ratio of structural units represented by the formulae (1a) and (1b), and a particular weight average molecular weight, and is useful as a surface treatment agent for various medical devices.

Abstract: Provided are a silver element containing silver acetonedicarboxylate with high silver content, and capable of providing a silver element with excellent electrical conductivity, flatness, and adhesivity through heating even for a short time at a low temperature of below the decomposition temperature of the silver salt, and having excellent storage stability, as well as a substrate having a silver element formed thereon with the composition. The composition is characterized by a particular ratio of silver compound (A) represented by formula (1) and amine compound (B) represented by formula (2): (R1: H, —(CY2)a-CH3, —((CH2)b-O—CHZ)c-CH3; R2: —(CY2)d-CH3, —((CH2)e-O—CHZ)f-CH3, Y: H, —(CH2)g-CH3; Z: H, —(CH2)h-CH3; a: 0-8; b: 1-4; c: 1-3; d: 1-8; e: 1-4; f: 1-3; g: 1-3; h: 1-2).

Abstract: Provided are silver nanoparticles having excellent dispersion stability and capable of forming on a substrate a silver element, such as a silver film or line, having excellent electrical conductivity and adhesivity through heating. A method for producing the silver nanoparticles, its dispersion liquid, and a substrate having a silver element formed thereon using the dispersion liquid are disclosed. The silver nanoparticles contain silver compound (A) of formula (1): amine compound (B) having a primary amino group; and polymer (C) obtained by polymerization of a monomer composition containing diol (meth)acrylate compound (c1) having a urethane bond of formula (2): (R1: hydrogen atom or methyl group; R2: —(CH2)n-; n: 1 to 4), and at least one monomer (c2) selected from (meth)acrylate monomers, acrylamide monomers, vinyl monomers, vinyl ether monomers, or monomers having an epoxy group.

Abstract: In production of a cationic lipid having at least one methylene group sandwiched between adjacent two cis form double bonds in the molecule, isomerization from a cis form to a trans form is suppressed. A compound represented by the following formula (I): R1—X??(I) (in Formula, R1 represents a hydrocarbon group having at least one methylene group sandwiched between adjacent two cis form double bonds in the molecule and having the carbon number of 8 to 24 and X represents a releasing group) is reacted with (B) a compound having at least one of each of tertiary amino group and hydroxyl group in the molecule in a saturated hydrocarbon solvent having the carbon number of 5 to 10 in the presence of an alkali catalyst.

Abstract: A branched hetero polyfunctional polyoxyalkylene compound represented by the following formula (1): wherein Z represents a hydroxyl group-removed residue of pentaerythritol or dipentaerythritol, OA1 and OA2 represent an oxyalkylene group having 2 to 4 carbon atoms, L1, L2 and L3 represent an alkylene group or an alkylene group that contains an ester bond, a urethane bond, an amide bond, an ether bond, a carbonate bond, a secondary amino group or a urea bond, X and Y are different from each other and represent a functional group capable of a chemical reaction; m and n are an average number of moles of the oxyalkylene group added, m represents 5 to 1,000, n represents 0 to 1,000, and p, q and r represent 0 or 1; and s1 is an integer of 2 or more and s1+s2=4 or 6.

Abstract: Provided is a defoamer for fermentation which has excellent dispersibility in water and forms neither a precipitate nor oil droplets when the dispersion is heated, and which is highly effective in defoaming fermentation media. This defoamer contains a reaction product obtained by mixing a fat or oil having an iodine value of 40 to 130 with glycerin or like in a molar ratio of from 3/2 to 1/2 to obtain a mixture, causing 4 to 17 mol of propylene oxide to add to 1 mol of the mixture, and then causing 20 to 40 mol of ethylene oxide and 70 to 110 mol of propylene oxide to block-wise add thereto in this order, the reaction product having an ethylene oxide/propylene oxide molar ratio of from 1/4 to 2/5.

Abstract: The present invention provides a flow improver for oils and fats, by which a sufficient improvement in the flowability of oils and fats can be achieved, when oils and fats are used as fuels. This flow improver for oils and fats comprises a polymer including constitutional units (I), (II), and (III), and having a weight-average molecular weight in the range of 5,000 to 100,000. The molar fraction a of the constitutional unit (I) is in the range of 0.4 to 0.8, the molar fraction b of the constitutional unit (II) is in the range of 0.1 to 0.3, and the molar fraction c of the constitutional unit (III) is in the range of 0.1 to 0.3.

Abstract: There is provided a method for production of a high-purity biodegradable polyoxyethylene derivative on an industrial scale using a polyoxyethylene compound containing polylactic acid at the terminal thereof. A biodegradable polyoxyethylene compound represented by formula (1) and a compound represented by formula (I) are caused to react with each other at 60° C. to 120° C. using toluene as a solvent in the presence of sodium acetate to obtain a biodegradable polyoxyethylene derivative represented by formula (2).

Abstract: Provided is a multi-arm polyethylene glycol derivative having a narrow molecular weight distribution. A multi-arm polyethylene glycol derivative represented by the formula (1): m[Z—Yn?CH2CH2O??X—O-L-O—X??OCH2CH2?nY—Z]m??(1) wherein, L represents a group selected from a linear or branched alkylene, arylene, or cycloalkylene group having two or more carbon atoms and combinations thereof, which may have an ether bond in a chain; X represents a dehydroxylation residue of a linear sugar alcohol having 5 or 7 carbon atoms; m is the number of polyethylene glycol chains bonded to X and represents 4 or 6; n is the average addition molar number of oxyethylene groups and n represents an integer of 3 to 600; Y represents a single bond or an alkylene group which may have an ester bond, a urethane bond, an amide bond, an ether bond, a carbonate bond, a secondary amino group, a urea bond, a thioether bond or a thioester bond in a chain or at an end; and Z represents a chemically reactive functional group.

Abstract: Disclosed is a respiration-assisting tube whereby tissue damages in vivo can be prevented and, as a result, inflammatory reactions and infections can be avoided. The respiration-assisting tube is developed based on the finding that adhesion of cells to a respiration-assisting tube can be inhibited by coating the respiration-assisting tube with a polymer containing 2-methacryloyloxyethyl phosphorylcholine (MPC). Also, the respiration-assisting tube is developed based on the finding that, by coating a respiration-assisting tube with a polymer containing MPC, mucosa peeling and tissue damages, which occur after using the respiration-assisting tube, can be prevented and, as a result, inflammatory reactions can be avoided.

Abstract: A method for manufacturing an acetal compound represented by the formula [1] in which the steps (A) to (D) as defined herein are performed sequentially, and an acetal compound of the formula [1] which is produced by the method: wherein n is 0 or 1 provided that R1 groups may be bonded or may not be bonded to each other when n is 0; R1 is an alkyl group having 1 or 2 carbon atoms or an alkylene group having 1 or 2 carbon atoms and the R1 groups may be same or different from each other; and R2 is an alkylene group having 1 or 6 carbon atoms.

Abstract: A polyoxyethylene derivative represented by the formula (1): wherein a whole molecular weight of the polyoxyethylene derivative is 500 to 160,000; n is 5 to 3650; L1, L2, and L3 each independently represent an alkylene group, a phenylene group, an ester bond, an amide bond, an ether bond, a urethane bond, a carbonate bond, a secondary amino group, or a combination thereof; X represents a functional group capable of reacting with a bio-related substance; Y represents a hydrophilic group having plural hydroxyl groups made from a residual group of xylitol or volemitol or a residual group of polyglycerin of trimer to 31-mer; Z represents a residual group of a compound having 2 to 5 active hydrogen atoms; b and c are as follows: 1?b?4, 1?c?4, and 2?b+c?5; and d and e each independently are 0 or 1.

Abstract: Provided are a contact lens care preparation capable of imparting durable surface lubricity and amebic adhesion inhibitory effect to a contact lens surface through a simple treatment, and a contact lens packaging solution utilizing the same. The contact lens care preparation is composed of a solution containing 0.01 to 2 weight/volume % of a polymer having particular monomer units with a phosphorylcholine-like group, particular (meth)acrylamide derivative units, and particular monomer units with a hydrophobic group at a particular ratio, and a weight average molecular weight of 5,000 to 2,000,000, and is useful as a contact lens packaging solution.

Abstract: A fuel oil flow improver comprising the ester compound (A) below and the copolymer (B) below, which is the fuel oil flow improver in which the mass ratio [(A)/(B)] of the ester compound (A) and the copolymer (B) is from 30/70 to 70/30. (A) The ester compound represented by Formula (I) below. R1 is e.g. a linear saturated C19 alkyl group, and X, Y, and Z each represent an integer of 1 or higher. (B) A copolymer of a weight-average molecular weight of 5,000 to 50,000 obtained by polymerizing (b1) to (b3) below at a molar fraction of (b1)/(b2)/(b3)=0.4 to 0.8/0.1 to 0.3/0.1 to 0.3. R2 is e.g. a linear saturated C14 alkyl group. R3 is e.g. a linear saturated C10 alkyl group. R4 is e.g. a linear saturated C12 alkyl group.

Abstract: This shampoo composition includes 3 to 30 mass % of a taurine salt component (a) of an acylmethyl-?-alanine represented by formula (1); 3 to 30 mass % of an amphoteric surfactant component (b) represented by formula (2) or formula (3); 0.03 to 3 mass % of a cationized polymer component (c); and 37 to 94 mass % of a water component (d), the mass ratio (a)/(b) of the component (a) and the component (b) is 0.2 to 3. (R1CO represents a C8-22 acyl group. M represents an alkali metal, alkanolamine or basic amino acid.) (R2 represents a C8-22 alkyl group or alkenyl group.) (R3CO represents a C8-22 acyl group, and n represents 1 to 3.

Abstract: Provided is an anti-fog coating composition that rarely suffers from blushing when applied and dried even under high-humidity conditions and that can be heat-cured even at low temperature in a short time and form a coating film that exhibits excellent tight adhesion to a substrate and excellent heat resistance and anti-fog properties. The anti-fog coating composition comprises (A) a copolymer prepared from a monomer mixture of a monomer (A1), a monomer (A2) and a monomer (A3); (B) a basic compound such as amines; and (C) a surfactant such as anionic surfactants. The monomer (A1) is a vinyl monomer that has an N-methylol group or an N-alkoxymethylol group. The monomer (A2) is a vinyl monomer that has a sulfonic acid group. The monomer (A3) is an alkyl(meth)acrylate monomer.

Abstract: A composition for colloidal crystals including core-shell particles and a monomer having a particular structure. The core-shell particles constitute 25% to 65% by weight of the composition, and the monomer constitutes 35% to 75% by weight of the composition. The core has an average particle size from 50 to 900 nm. Each particle includes a core and a shell. The shell is formed of a linear polymer composed of at least one of styrene and a monomer having a particular structure. One end of the linear polymer is covalently bonded to the core. The refractive index of the core (n(core)) satisfies the following formulae: wherein R1 denotes a hydrogen atom or a methyl group, and y is 0 or 1, n(shell)?n(core)?0.07, n(shell) denoting the refractive index of the shell, and n(B)?n(core)?0.07, n(B) denoting the refractive index of the monomer (B1) after curing.