Assignee: Kyowa Chemical Industry Co., Ltd.

Location: Kagawa, JP
No. of patents: 38

Number	Title	Issue Date
7678360	Alunite type compound particles, manufacturing process thereof and use thereof Alunite type compound particles represented by the following general formula (I) and having a specific value of D75/D25 when D25 is the particle diameter of particles which account for 25% of the total and D75 is the parti...	03/16/2010
7629480	Organic acid anion containing aluminum salt hydroxide particles, production method thereof, and use thereof There are provided organic acid anion containing aluminum salt hydroxide particles represented by the following general formula (I): Ma[Al1-xM′x]bAzBy(OH)n.mH2O ...	12/08/2009
7247699	Process for purification of crude polyether and adsorbent A process for purifying a crude polyether, comprising contacting a crude polyether obtained by addition polymerizing an active hydrogen-containing compound with an alkylene oxide compound in the presence of an alkali metal-containing basic catalyst to an adsorbent c...	07/24/2007
7226160	Ink jet recording medium and ink fixer An ink jet recording medium having an ink receiving layer formed on a substrate, wherein an ink fixing agent contained in the ink receiving layer is a serpentine compound containing at least one metal selected from the group consisting of Mg and Zn, and an ink fixin...	06/05/2007
7147868	Antacid and laxative tablets An antacid and laxative tablet comprising magnesium oxide particles as an effective component, wherein (i) the magnesium oxide particles contained in the tablet have an average secondary particle diameter measured by a laser diffraction scattering metho...	12/12/2006
7060246	Magnesium hydroxide particles, method of the production thereof, and resin composition containing the same Provided are magnesium hydroxide particles having a hexagonal crystal form and having an aspect ratio (H) which satisfies the following expression (I), 0.45·A·B	06/13/2006
6982069	Dye fixing agent for water-color ink, ink jet recording medium and porous hydrotalcite compound A dye fixing agent for water-color ink to be contained in the water-color ink accepting layer of an ink jet recording medium having an water-color ink accepting layer formed on a substrate, which is a hydrotalcite compound containing a silicic acid anion and a sulfu...	01/03/2006
6979706	Liquid raw material for producing formed polyurethane or aromatic polyamide, and use of hydrotalcite compound particles therefor A dispersion comprising hydrotalcite compound particles having (1) an average secondary particle diameter of 0.1 to 3 μm as measured by a laser beam diffraction scattering method, (2) a specific surface area of 0....	12/27/2005
6682801	Flame-retardant laminated resin molded article The coloring problem of a conventional molded article is overcome while retaining the advantages of high strength and high flame retardancy of the molded article when a metal hydroxide is used in combination with red phosphorus and carbon powder in the me...	01/27/2004
6676920	Magnesium hydroxide particles, process for producing the same, and resin composition containing the particles Provided are magnesium hydroxide particles having a hexagonal crystal form and having an aspect ratio (H) which satisfies the following expression (I), (wherein H is an aspect ratio, A is an average secondary particle diameter (μm) of all of the particle...	01/13/2004
6555611	Adsorbent for aromatic hydroxy compound and utilization thereof An adsorbent to an aromatic hydroxy compound, which comprises composite metal oxide solid solution particles of the following formula (1) or hydrotalcite-like composite metal hydroxide particles of the following formula (2), and a method of removing an ar...	04/29/2003
6544631	Fixing agent for dye and ink-jet recording medium A dye fixing agent for water-color ink to be contained in the water-color ink accepting layer of an ink jet recording medium having a water-color ink accepting layer formed on a substrate, which is a hydrotalcite compound containing a silicic acid anion a...	04/08/2003
6506828	Resin composition, molded article therefrom, and utilization thereof A resin composition which comprises 100 parts by weight of a synthetic resin and 50 to 1,500 parts by weight of magnesium oxide particles, wherein the magnesium oxide particles satisfy the following requirements (i) to (v): (i) an average secondary partic...	01/14/2003
6500882	Flame-retardant, flame-retardant resin composition and molded article thereof A flame-retardant for a synthetic resin, which is obtained by surface-treating a magnesium hydroxide with an emulsion of a copolymer or polymer of the formula (1), ##STR1## wherein X is hydrogen, a phenyl group, etc., Y is an alkyl group, etc., each ...	12/31/2002
6418661	Hydrotalcite compound, process for producing the same, and agricultural film containing the same A hydrotalcite compound which has the excellent ability to absorb infrared rays and has excellent light transmission when contained in an agricultural film; a process for producing the compound; and an infrared absorber and an agricultural film both conta...	07/16/2002
6372835	Flame-retardant polyketone resin composition and molded article A polyketone resin composition, which has flame retardancy and is suitable for a variety of molded articles is provided. A flame-retardant resin composition obtained by incorporating 15 to 60% by weight of surface-coated magnesium hydroxide having a speci...	04/16/2002
6306494	Fine particulate synthetic chalcoalumite compounds, process for their production, and heat insulator and agricultural film containing the fine particulate synthetic chalcoalumite compounds Novel, fine particulate synthetic chalcoalumite, process for preparation thereof, and a heat insulating agent and agricultural film containing said fine, particulate synthetic chalcoalumite. The above objects are met by synthetic chalcoalumite represented...	10/23/2001
6297193	Algal growth or microbial proliferation inhibitors and use thereof An antialgal method, which employs, as an antialgal component, at least one solid solution selected from the group consisting of specific hydroxide or oxide solid solutions and an organic or inorganic material containing the antialgal component....	10/02/2001
6291570	Heat deterioration resistant flame retardant, resin composition and molded article There are provided a flame retardant comprising hydrotalcite compound particles which exhibits excellent heat deterioration resistance when it is used as a flame retardant for resins, a resin composition comprising the same and a molded article thereof. T...	09/18/2001
6221472	Polyolefin resin composition and zinc-containing hydrotalcite particles Zinc-containing hydrotalcite particles which satisfy the following requirements (1) to (4): (1) the chemical composition should be represented by the following formula (A): Znx Al2 (OH)4+2x CO3.mH.sub.2 O (A) wherei...	04/24/2001
6218454	Acid resistant, thermoplastic resin composition containing magnesium hydroxide and its use An acid-resistant, thermoplastic resin composition which is nonpoisonous and non-halogen and has an acid-resistance for a long period of time, the acid-resistant, thermoplastic resin composition containing a thermoplastic resin, 30 to 70% by weight of mag...	04/17/2001
6130282	Flame retardant resin composition A flame retardant resin composition comprising (A) 100 parts by weight of a synthetic resin, (B) 20 to 150 parts by weight of magnesium hydroxide particles and (C) 20 to 150 parts by weight of aluminum hydroxide particles, wherein the magnesium hydroxide ...	10/10/2000
6025424	Heat deterioration resistant flame retardant, resin composition and molded articles A flame retardant having heat deterioration resistance which is composed of magnesium hydroxide particles having (i) an average secondary particle diameter, measured by a laser diffraction scattering method, of not more than 2 μm, (ii) a specific surface...	02/15/2000
5925700	Low-temperature-resistant, halogen-free, flame retardant polyolefin-based resin composition A halogen-free flame-retardant polyolefin resin composition which can give a molded article improved in low-temperature resistance and surface whitening resistance and improved in flame retardancy and melt index, and an expansion-molded article having uni...	07/20/1999
5777018	Low-temperature-resistant, halogen-free, flame retardant polyolefin-based resin composition A halogen-free flame-retardant polyolefin resin composition which can give a molded article improved in low-temperature resistance and surface whitening resistance and improved in flame retardancy and melt index, and an expansion-molded article having uni...	07/07/1998
5677364	Crystalline propylene polymer composition A crystalline propylene polymer composition having improved resin flowability and processability, having remarkable resistance to color development (pinking) and excellent anti-rust property and heat stability, and comprising 100 parts by weight of a crys...	10/14/1997
5583172	Flame retardant aid, flame retardant and flame-retardant composition A flame retardant aid which serves to provide synthetic resins with sufficient flame retardancy when used together with a decreased amount of aluminum or magnesium hydroxide, and serves to give resin compositions which have color stability against heat an...	12/10/1996
5464896	Stabilized, halogen-containing resin composition A stabilized halogen-containing resin composition contains 100 parts by weight of a halogenated polymer of an ethylenically unsaturated monomer, 0.01 to 5 parts by weight of at least one member selected from a perchloric acid-containing hydrotalcite compo...	11/07/1995
5438084	Flame-retardant polyamide-containing resin composition and flame retardant A flame retardant capable of imparting a polyamide-containing resin with excellent flame retardancy without deteriorating the impact strength of the polyamide-containing resin even when it is incorporated in a small amount, and a flame-retardant polyamide...	08/01/1995
5252645	Antistatic, thermally stabilized halogen-containing resin composition A halogen-containing resin composition containing 100 parts by weight of a halogen-containing resin, 0.01 to 10 parts by weight of a hydrotalcite, 0.01 to 10 parts by weight of a perchloric acid ion-containing hydrotalcite, and 0.01 to 5 parts by weight o...	10/12/1993
5151455	Flame retardant and flame retardant resin composition A flame retardant having excellent resistance to water and acid for a long period of time and comprising 100 parts by weight of magnesium hydroxide of which the surface is treated with a phosphoric ester of formula (I) ##STR1## wherein R represents a...	09/29/1992
5120783	Stabilized halogen-containing resin compositions A stabilized halogen-containing resin composition wherein (a) 0.01 to 10 weight parts of da hydrotalcite, (b) 0.01 to 5 weight parts of a zinc compound, (c) 0.01 to 5 weight parts of magnesium hydroxide, and (d) 0.01 to 5 weight parts of a ଲ-diketone compound and/...	06/09/1992
5106898	Stabilizer composition for use in halogen-containing resins A stabilizer composition for use in halogen-containing resins, comprising as an active ingredient a melt mixture containing a product of a hydrotalcite obtained by removing water of crystallization and a lubricant....	04/21/1992
5094781	Fire-retardant resin composition A fire retardant comprising 100 parts by weight of a metal hydroxide and 0.1 to 50 parts by weight of an acrylic fiber, and a fire-retardant resin composition comprising 20 to 80% by weight of a synthetic resin or rubber, 80 to 20% by weight of a metal hy...	03/10/1992
5047203	Purifier for nuclear reactor cooling water and method of purification A purifier for nuclear reactor cooling water, which contains, as an active ingredient, a titanium oxide-based solid solution of the formula (1) (Ti1-x Alx)O2 (1) wherein x is defined by 0	09/10/1991
5039509	Process for the production of magnesium oxide A process for the production of a magnesium oxide having high hydrolysis resistance and high fluidity, which comprises: (A) a step of reacting a water-soluble magnesium salt with an alkaline substance in such an amount that is not more than 0.95 equivalent wei...	08/13/1991
5034442	Flame retardant and flame retardant resin composition A flame retardant produced by surface-treating magnesium hydroxide with a dialcohol amine salt of an alcohol phosphate ester represented by formula (1) ##STR1## wherein R represents an alkyl, alkenyl group or aralkyl having 10 to 30 carbon atoms...	07/23/1991
4751261	Stabilized polyvinyl chloride resin composition Magnesium oxide is incorporated into a polyvinyl chloride resin composition comprising a polyvinyl chloride, a hydrotalcite, a ଲ-diketone compound and an organic acid salt of zinc or a polyvinyl chloride resin composition comprising a polyvinyl chlo...	06/14/1988

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Assignee: Kyowa Chemical Industry Co., Ltd.