Abstract: Provided are a cosmetic composition which is an O1/W/O2 emulsion composition and contains, in the oil phases O1 and O2 thereof, fine metal oxide particles having ultraviolet screening ability; and a preparation process of the cosmetic composition.

Abstract: Provided is an O/W emulsion cosmetic composition, which contains the following components (A), (B) and (C): (A) a polymer which is either a nonionic or cationic polymer composed of a hydrophobic monomer unit and a hydrophilic monomer unit and contains from 40 to 80 wt. % of a hydrophilic group; (B) a dispersion containing the following components (a), (b), (c) and (d): (a) powders having ultraviolet screening ability and having a surface subjected to hydrophobic treatment, (b) a polymer composed of a hydrophobic monomer unit and a hydrophilic monomer unit, (c) a silicone oil, and (d) an alcohol having from 1 to 3 carbon atoms, at an (a):(b):(c):(d) weight ratio of (from 25 to 65):(from 0.1 to 5):(from 10 to 50):(from 10 to 50); and (C) water.

Abstract: Provided are a cosmetic composition which is an O1/W/O2 emulsion composition and contains, in the oil phases O1 and O2 thereof, fine metal oxide particles having ultraviolet screening ability; and a preparation process of the cosmetic composition.

Abstract: Provided is an O/W emulsion cosmetic composition, which contains the following components (A), (B) and (C): (A) a polymer which is either a nonionic or cationic polymer composed of a hydrophobic monomer unit and a hydrophilic monomer unit and contains from 40 to 80 wt. % of a hydrophilic group; (B) a dispersion containing the following components (a), (b), (c) and (d): (a) powders having ultraviolet screening ability and having a surface subjected to hydrophobic treatment, (b) a polymer composed of a hydrophobic monomer unit and a hydrophilic monomer unit, (c) a silicone oil, and (d) an alcohol having from 1 to 3 carbon atoms, at an (a):(b):(c):(d) weight ratio of (from 25 to 65):(from 0.1 to 5):(from 10 to 50):(from 10 to 50); and (C) water.

Abstract: Provided is a composition for percutaneous administration containing a mixture of polymers forming a surface-segregated film, and (B) an active ingredient. The composition provides excellent percutaneous absorption efficacy of the active ingredient, particularly, a water-soluble active ingredient, has excellent feeling and is convenient to use.

Abstract: Provided is a composition for percutaneous administration containing a mixture of polymers forming a surface-segregated film, and (B) an active ingredient. The composition provides excellent percutaneous absorption efficacy of the active ingredient, particularly, a water-soluble active ingredient, has excellent feeling and is convenient to use.

Abstract: The present invention relates to cosmetic compositions comprising (A) at least one amide derivative having a specified formula; and (B) at least one ingredient selected from the group consisting of (B-1) polyhydric alcohols, (B-2) vegetable extracts and (B-3) organic acids or salts thereof. The compositions can enhance the water-retaining ability of the horny layer and have excellent effects for improving skin roughness and preventing the formation of wrinkles.

Abstract: Disclosed herein is a cosmetic composition comprising disintegrating granules composed of water-insoluble primary particles and a binder, wherein the disintegrating granules in the cosmetic composition have a compression strength of 0.002-0.1 kgf/mm.sup.2 and a particle size of 100-2,000 .mu.m, and the primary particles thereof have an average particle size of at most 100 .mu.m. The composition gives users neither an irritated feeling nor a feeling of physical disorder toward the skin and eyes, and a pleasant feeling upon use and has an excellent effect for improving a complexion.

Abstract: A skin cosmetic causing little irritation and having an excellent moisturizing effect which contains the following components (A), (B) and (C):(A) a ceramide or a pseudoceramide represented by the following formula (1) or (2): ##STR1## wherein R.sup.1 and R.sup.2 represent each a C.sub.9 to C.sub.39 hydrocarbon group; and R.sup.3 and R.sup.4 represent each H, a phosphate residue, a sulfate residue, etc.;(B) a dicarboxylic acid; and(C) a salt of a dicarboxylic acid.

Abstract: A polyester is provided that comprises as main monomer components thereof a dicarboxylic acid and a diol, including a p-quaterphenyl derivative of specific formula. The use of appropriate kinds of dicarboxylic acid for the polyester makes it possible to obtain a thermoplastic elastomer or an engineering platic material (i.e., liquid-crystal polymer).

Abstract: A polyester is provided that comprises as main monomer components thereof a dicarboxylic acid and a diol, including a p-quaterphenyl derivative of specific formula. The use of appropriate kinds of dicarboxylic acid for the polyester makes it possible to obtain a thermoplastic elastomer or an engineering plastic material (i.e., liquid-crystal polymer).

Abstract: An engineering plastic composition with excellent flowability, heat stability, and desirable mechanical properties is provided. The composition comprises an engineering plastic material and at least one p-quaterphenyl derivative of specific formula.

Abstract: The invention relates to antibiotic YI-HU3 and a process for preparing the same, which is produced by culturing a microorganism belonging to the genus of Pseudomonas, and which has antimicrobial and antitumor activities, and the following physicochemical characteristics:(a) Molecular weight469(b) Melting point180.degree.-190.degree. C.(c) Ultraviolet absorption spectrum (in chloroform)The maximum absorption is found in the neighborhood of 312 nm, with the second largest absorption being in the neighborhood of 300 nm.(d) Infrared absorption spectrum (KBr Method)FIG. 2(e) .sup.1 H--NMR spectrum (CDCl.sub.3 /CD.sub.3 OH)FIG. 3(f) .sup.13 H--NMR spectrum (CDCl.sub.3 /CD.sub.3 OH)FIG. 4(g) Solubility to solventsSoluble in methanol and chloroform, and not soluble in n-hexane.(h) Color and state of the substanceLight yellow crystals.