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Akira Ishikubo

Akira Ishikubo, Yokohama-Shi JP

Patent application numberDescriptionPublished
20090321357Affinity Particle And Affinity Separation Method - The present invention is affinity particles that are characterized by having phosphorylcholine groups represented by the following formula (1) covalently bonded onto the surface of inorganic powder and also by having ligands having specific affinity with a certain target substance covalently bonded or adsorbed onto the surface of inorganic powder.12-31-2009
20100137133Affinity Particle And Affinity Separation Method - The present invention is affinity particles that are characterized by having phosphorylcholine groups represented by the following formula (1) covalently bonded onto the surface of inorganic powder and also by having ligands having specific affinity with a certain target substance covalently bonded or adsorbed onto the surface of inorganic powder.06-03-2010
20110070173Oil-in-Water Type Emulsion Cosmetic Composition - This object of the invention is to provide an oil-in water emulsion cosmetic composition having fine sense of use and excellent dispersion stability, and does not occur twisting upon drying.03-24-2011

Patent applications by Akira Ishikubo, Yokohama-Shi JP

Akira Ishikubo, Kanagawa JP

Patent application numberDescriptionPublished
20090163616Gel Composition - An object of the present invention is to provide a gel composition with an excellent gelation ability and an excellent feeling in use. The gel composition comprises (a) 0.1 to 60 mass % of a block-type alkylene oxide derivative, (b) an oil, and (c) 0.1 to 10 mass % of water; the block-type alkylene oxide derivative being represented by the following formula (I):06-25-2009
20100075882External Skin Preparation And Skin Cleanser - The present invention was made in view of the above-described circumstances, and an object of the invention is to provide an external skin preparation having a rough skin improving effect, excellent in texture in use, especially excellent in smoothness, free of sticky feeling, and excellent in stability. Another object is to provide a skin cleanser excellent especially in usability and a cosmetic removing effect. That is, the external skin preparation of the present invention is characterized by comprising a block-type alkylene oxide derivative represented by the below-described formula (I).03-25-2010
20100135938Oil-In-Water Emulsion Composition And Method For Producing The Same - The present invention provides an oil-in-water emulsion composition having excellent emulsion stability, low sticky feeling, and low skin irritation. The oil-in-water emulsion composition according to the present invention comprising (a) 1 to 20 mass % of a powder component, (b) 0.001 to 0.5 mass % of a cationic surfactant having two alkyl chains with 12 or more and 22 or less carbon atoms, (c) an oil phase component, and (d) a water phase component, having a structure wherein (a) powder particles are adsorbed on the oil droplets dispersed in the water phase.06-03-2010
20100190864Alkylene Oxide Derivative And Skin External Preparation Containing The Same - The present invention is to provide a new compound having a rough skin improving effect, excellent in safety, excellent in texture in use, especially free of sticky feeling, excellent in refreshing feeling, and capable to improve the base agent stability as a component. An alkylene oxide derivative is characterized by being represented by the below-described general formula (I):07-29-2010
20100247458Emulsified External Skin Preparations - The emulsified external skin preparation of the present invention is characterized by comprising a polyglycerol derivative represented by formula (1):09-30-2010
20100297039Oil-In-Water Emulsion Composition And Method For Producing The Same - The present invention provides an oil-in-water emulsion composition having excellent emulsion stability, low sticky feeling, and low skin irritation. The oil-in-water emulsion composition according to the present invention comprises (a) 1 to 20 mass % of a powder component, (b) 0.001 to 0.5 mass % of a cationic surfactant having two alkyl chains with 12 or more and 22 or less carbon atoms, (c) an oil phase component, and (d) a water phase component, having a structure that (a) powder particles are adsorbed on the oil droplets dispersed in the water phase, and containing substantively no surfactant other than the (b) cationic surfactant.11-25-2010

Patent applications by Akira Ishikubo, Kanagawa JP

Akira Ishikubo, Yokkaichi-Shi JP

Patent application numberDescriptionPublished
20110294773COSMETIC COMPOSITION AND HAIR WASH - To provide a cosmetic composition and a hair wash which are excellent in metal pyrithione salt persistence after washing with a washing liquid containing a surfactant, etc.12-01-2011