Assignee: Nicca Chemical Co., Ltd.

Location: Fukui, JP
No. of patents: 29

Number	Title	Issue Date
7902291	Aqueous polyurethane resin composition and one-component adhesive agent and laminated body that use the same, and method for manufacturing aqueous polyurethane resin composition An aqueous polyurethane resin composition obtained by: obtaining a neutralized prepolymer having a terminal isocyanate group by reacting a polyisocyanate (A) and a polyfunctional compound (B) containing a polyester polyol (B1	03/08/2011
7189880	Process for producing 2,4′-dihydroxydiphenylsulfone A process for producing 2,4′-dihydroxydiphenylsulfone which comprises separating 4,4′-dihydroxydiphenylsulfone by crystallization from a mixture containing 4,4′-dihydroxydiphenylsulfone, 2,4′-dihydroxydiphenylsulfone, phenolsulfonic acid and phenol which is ...	03/13/2007
7022267	Flame retardant treating agents, flame retardant treating process and flame retardant treated fibers The flame retardant treating agent of the invention comprises a phosphorus-based compound represented by the following formula (4), for example. According to the invention, a polyester fiber woven fabric is immersed in ...	04/04/2006
7005089	Flame retardant treating agents, flame retardant treating process and flame retardant treated articles Flame retardant treating agents according to the invention comprise a phosphorus-based compound represented by the following formula (4): Flame retardant treated fibers can be obtained by immersion of polyester fiber wo...	02/28/2006
6852683	Detergent composition for petroleum refining apparatus The detergent composition for petroleum refining apparatus in accordance with the present invention is one used as being mixed with a petroleum solvent when the inside of a petroleum refining apparatus is washed with the petroleum solvent in a nonaqueous system, whe...	02/08/2005
6635606	Release agents for die casting The present invention provides a release agent for die casting, which exhibits a superior lubricating property, namely release property not only in a low-temperature die but also in a high-temperature die. A release agent for die casting is an aqueous emulsion...	10/21/2003
6579834	Aqueous release agents for low speed injection die casting This invention provides a release agent for low speed casting, which does not pollute working environment, has a superior running property and lubricating property and further shows a superior cleanability of a die. An aqueous release agent for a low speed inj...	06/17/2003
6395680	Composition of aromatic carboxylic acid compounds and thermosensitive recording material using the same A composition includes at least two aromatic carboxylic acid compounds selected from the group consisting of aromatic carboxylic acid compounds of formulas (I), (II) and (III) as specified in the specification. A thermosensitive recording material has a s...	05/28/2002
6329043	Ink-jet ink recording paper An ink-jet printing dye-fixing agent is provided which comprises a quaternary cationic polymer having the main chain represented by general formula (1): ##STR1## where R1, R2, R3, and R4 are independently an ali...	12/11/2001
6273102	Method of cleaning and maintaining petroleum refining plants A repairing method of a petroleum refining plant for efficiently conducting cleaning process of process equipment and pipings, unloading process of agglomerated catalyst, rinsing work of the process equipment and the pipings, thereby reducing plant shutdo...	08/14/2001
6140412	Waterproofing agent for ink jet printing paper A waterproofing agent for ink jet printing paper comprising an aqueous cationic polyurethane resin solution prepared by dispersing or dissolving in water one or more types of cationic polyurethane resins obtained by neutralizing with acid or quaternizing ...	10/31/2000
6046363	Method of making 4-hydroxy-4'-benzyloxydiphenyl sulfone The present invention provides a method of making 4-hydroxy-4'-benzyloxydiphenyl sulfone. The manufacturing method of the present invention is characterized in that an aqueous solvent containing an appropriate amount of a lower alcohol is used as a reacti...	04/04/2000
6046299	Ink-jet printing dye-fixing agent, and recording paper employing the same An ink-jet printing dye-fixing agent is provided which comprises a quaternary cationic polymer having the main chain represented by general formula (1): ##STR1## where R1, R2, R3, and R4 are independently a...	04/04/2000
6039766	Cleaning process for dry cleaning A process for dry cleaning using a cleaning composition for dry cleaning which includes 1 to 90% by weight of a surfactant containing fluorine and 10 to 99% by weight of a fluorohydrocarbon solvent and/or an auxiliary solubilizing agent, the surfactant co...	03/21/2000
5859122	Polycarbonate polyurethane resin composition A water-dispersable polycarbonate polyurethane resin composition obtained by creating an emulsified dispersion of a urethane prepolymer with isocyanate groups at the ends in water in the presence of an emulsifying agent if necessary, and then extending th...	01/12/1999
5803929	Ultraviolet absorber containing a benzotriazole compound An ultraviolet absorber comprising, as an effective component, a benzotriazole compound represented by the following general formula (I) ##STR1## wherein R represents hydrogen, methyl, ethyl or phenyl. The ultraviolet absorber undergoes minimal subli...	09/08/1998
5767318	Process for producing a high purity 2,4-dihydroxydiphenylsulfone A process for producing a high purity 2,4'-dihydroxydiphenylsulfone (2,4'-isomer) comprising separating 2,4'-isomer from 4,4'-dihydroxydiphenylsulfone (4,4'-isomer) by adding a hydroxide of an alkali metal in an amount which is the total of an amount by m...	06/16/1998
5653772	Method of fixing cellulose fibers dyed with a reactive dye A method of fixing cellulose fibers dyed with a reactive dye, which comprises a homopolymer containing a vinylamine structural unit, a copolymer containing from 5 to 90% by weight of a vinylamine structural unit and from 5 to 90% by weight of a diallylami...	08/05/1997
5614573	Flame retardants and flame retardant finishing method for polyester-based synthetic fiber materials Flame retardant compounds including at least one of a group of specified phosphoryl compounds which have a phenylene group in the molecule are applied to fiber materials composed of polyester-based synthetic fibers. Sufficiently long-lasting flame retarda...	03/25/1997
5597786	Lubricant for plastic working A lubricant for plastic working contains 0.01-40 wt % of an alkali metal salt of an alicyclic polyvalent carboxylic acid, 0.01-20 wt % of a water-soluble polymeric compound, and 0.01-40 wt % of a thermosetting resin powder with an average particle size of...	01/28/1997
5518581	Deinking agent for regeneration of waste paper A floatation method for the regeneration of waste paper employs as a deinking agent a reaction product of an alkylene oxide with a mixture of products obtained by the reaction of a natural oil or fat with an alkanolamine in a mole ratio of the natural oil...	05/21/1996
5516436	Agent for treating textile materials An agent for treating textile materials comprising at least one compound selected from the group consisting of compounds of the general formula (I) ##STR1## wherein X1 is hydrogen or a halogen, and R1 is hydrogen, a halogen or a...	05/14/1996
5431853	Modified silicone oil-in-water emulsion defoaming agent and defoaming method using it An emulsion type defoaming agent composition formed by emulsifying 5 to 35 weight parts of an organic fluid, 0.5 to 5 weight parts of a silicone oil, 0.5 to 5 weight parts of a hydrophobic silica and 1 to 40 weight parts of a modified silicone oil into wa...	07/11/1995
5399772	Method of producing A 2,4'-dihydroxydiphenylsulfone High purity 2,4'-dihydroxydiphenylsulfones useful as developers for thermal recording paper can be produced efficiently and with high selectivity by reacting one or more phenols and sulfuric acid in the presence as of at least one of phosphonic acid, phos...	03/21/1995
5378674	Heat-sensitive recording material A heat-sensitive recording material comprises a heat-sensitive color forming layer which is formed on a supporter and contains a colorless or light color leuco dyestuff as a color forming substance, a developer which develops color of the leuco dyestuff b...	01/03/1995
5362910	Germicidal and fungicidal agent and a germicidal and fungicidal method A germicidal and fungicidal agent can solve the problems of conventional germicidal and fungicidal agents comprising quaternary ammonium salts or amphoteric surface active agents that fungicidal activity is insufficient and metals such as parts of medical...	11/08/1994
5348930	Heat sensitive recording material A heat sensitive recording material comprises a heat sensitive color forming layer containing a color former of a colorless or light color leuco dyestuff, a developer which develops color by reaction with the color former upon heating and is a mixture of ...	09/20/1994
5118324	Method of printing cellulose fiber with reactive dye or direct dye using paste containing emulsion of hydrophobic compounds Disclosed is a method of printing a cellulose fiber material with a reactive dye or direct dye, which comprises printing the cellulose fiber material with a printing paste containing an emulsion formed by emulsifying a mixture comprising a hydrophobic sub...	06/02/1992
4933494	Process for purification of dihydroxydiphenylsulfone Colored dihydroxydiphenylsulfone obtained by a reaction between phenol and sulfuric acid is treated with activated carbon and a hydrotalcite compound in a mixed solvent comprising methanol and water at a weight ratio of from 10/90 to 60/40. According to t...	06/12/1990

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Assignee: Nicca Chemical Co., Ltd.