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Assignee: Orient Chemical Industries, Ltd.


Location: Osaka, JP
No. of patents: 90

1      
NumberTitleIssue Date
8105431Subphthalocyanine derivative having phosphorus derivative as axially substituted group, method for manufacturing the same and optical film using the same
A novel subphthalocyanine derivative having a phosphorus derivative-substituted group as an axially substituted group which has an excellent solubility, a method for producing the same and an optical film containing the same, are provided without impairing excellent...
01/31/2012
7879520Toner for developing electrostatic image and image formation process using it
A toner for developing an electrostatic image comprises a binding resin for a toner and a charge control agent including an azo-type iron complex salt represented by the following chemical formula (1) (in the chemical formu...
02/01/2011
7875412Positive electrified charge control agent and positive electrified toner for developing electrostatic image
A positive electrified charge control agent comprising a silicon complex compound of an effective component represented by the following chemical formula (I) and/or chemical formula (II) (in the formula (I) and formula (II)...
01/25/2011
7829733Change control resin particles and toner for developing electrostatic images
Charge control resin particles comprising a mixture of at least a charge control agent and a resin, wherein a crystalline zinc 3,5-di-tert-butylsalicylate represented by General Formula below, and having major peaks of X-ray diffraction using the CuKα-characteristi...
11/09/2010
7744804Laser-transmissible composition and method of laser welding
A laser-transmissible composition comprises: a dynamic crosslinking polyolefin thermoplastic elastomer that has a melting point ranging from 160 to 210 degrees Centigrade in case of non-coloring, and dye salt exhib...
06/29/2010
7598010Triarylamine dimer derivative having amorphous phase
A triarylamine dimer derivative is represented by the following chemical formula [1] (in the chemical formula [1]: —Ar1, —Ar2, —Ar3 and —Ar4 are a...
10/06/2009
7582787Charge control agent, manufacturing process thereof, charge control resin particles and toner for developing electrostatic images
Charge control agent whose active ingredient is a zinc compound of an alkylsalicylic acid derivative, the compound being a zincified alkylsalicylic acid derivative which is an alkylphenol derivative having a carboxyl group introduced thereto; Toner for developing el...
09/01/2009
7479360Electric charge controlling agent, toner for developing electrostatic charge image containing the same, and method for forming image using the toner
The charge control agent comprises aggregate particles including an azo-type iron complex salt represented by the following chemical formula [VI] (in the chemical formula [VI], B+ is (H+)x(N...
01/20/2009
7462711U-oxo crosslinked dissimilar metal phthalocyanine compound and process for selectively producing the same
An object of the present invention is to provide a novel μ-oxo bridged heterometal phthalocyanine compound, and a production method such that the μ-oxo bridged heterometal phthalocyanine compound is obtained simply, selectively and with high yield. The μ-oxo brid...
12/09/2008
7413837Charge control agent and toner for electrostatic image development containing the same
A charge control agent comprises a monoazo metals-compound including a monoazo compound represented by the following formula [I]: and metals of a metallic element or a metalloid coordinating to the monoazo compound. A toner...
08/19/2008
7342062Monoazo metal complex compound containing composition and production method thereof
Monoazo metal complex compound containing composition, the incidence of skin sensitization in a skin sensitization potential test based on the maximization method of said composition being not more than 20% and method for producing said composition which comprises a...
03/11/2008
7326762Copolymer having reactive silicon-containing group and organic-inorganic hybrid polymeric material
Disclosed is a copolymer comprising a polyethylene segment which is a main chain; a reactive silicon-containing group which is a side group of the polyethylene segment; and a polycondensation segment bonded to the polyethylene segment, which is a part of the main ch...
02/05/2008
7232480Modified carbon black carbon black dispersion liquid and water base ink
There are provided a carbon black according to which long-term stable storage is possible, clogging is not prone to occurring, and the OD value is high and hence printing with a deep black color is possible, or a carbon black that can be used in a water-based ink th...
06/19/2007
7163772Organic electrophotographic photo-receptor
The present invention provides an organic electrophotographic photo-receptor having a conductive substrate and a photosensitive layer laid on the conductive substrate, wherein the photosensitive layer contains at least one μ-oxo bridged heterometal compound as a ch...
01/16/2007
7157542Copolymer having reactive silicon-containing group and organic-inorganic hybrid polymeric material
Disclosed is a copolymer comprising a polyethylene segment which is a main chain; a reactive silicon-containing group which is a side group of the polyethylene segment; and a polycondensation segment bonded to the polyethylene segment, which is a part of the main ch...
01/02/2007
7094513Charge control agent and toner for electrostatic image development
A charge control agent of the present invention comprises aggregate particles of an azo-type iron complex salt represented by the following chemical formula [I] in the chemical formula [I], R1—, R
08/22/2006
7087747μ-Oxo bridged heterometal compound and selective production method thereof
An object of the present invention is to provide a new μ-oxo bridged heterometal compound, which can make the photo-functional materials to have diversified properties, and a production method such that the μ-oxo bridged heterometal compound is obtained simply, se...
08/08/2006
6965001Organic-inorganic hybrid polymer materials with compositional gradient, and processes for preparing the same
According to the present invention, organic-inorganic hybrid polymer materials with compositional gradient, and processes for preparing the same are provided. In the organic-inorganic hybrid polymer materials with compositional gradient, formation of cracks, removal...
11/15/2005
6858069Black aqueous ink composition, ink jet recording process using the same, and recorded matter
To provide a black aqueous ink composition for excellent light and gas fastness, an ink set including the ink composition, and an ink jet recording process using the same, the black aqueous ink composition contains at least a trisazo dye represented by Chemical Form...
02/22/2005
6846350Red luminous ink composition
Disclosed is a red luminous ink composition comprising a europium complex represented by the formula: wherein R1 is a hydrogen atom or a substituent selected from the group consisting of an alkyl group havin...
01/25/2005
6818736Polymeric material, molded product and methods for their production
Disclosed is a polymeric material obtained by melt-kneading, using a kneading apparatus, a resin composition containing an organic polymer having no metal alkoxy group and a metal alkoxide compound. The organic-inorganic hybrid polymeric material, a polymeric materi...
11/16/2004
6811940Mixed substance of triphenylamine dimers
The present invention intends to provide a TPD derivative being excellent in electric properties as a compound due to its extremely less content of impurities (TPD analogues) as well as being excellent in film-forming property due to its low crystallinity. The TPD d...
11/02/2004
6762004Charge control agent and toner for developing electrostatic images
Charge control agent and toner for developing electrostatic images containing said charge control agent. The active ingredient of the charge control agent is a metal compound obtainable by reacting one or two or more molecules of a compound having a phenolic hydroxy...
07/13/2004
6756485Process for preparing a monoazo metal complex salt compound for charge control agent and toner for developing electrostatic images
Charge control agent comprising a metal complex salt compound of Formula (I) containing substantially no monoazo compound constituting the ligand thereof, toner containing the charge control agent, and process for manufacturing a metal complex salt compound of Formu...
06/29/2004
6743283Blue luminous ink composition
Disclosed is a blue luminous ink composition comprising a luminous compound represented by the formula: wherein R1 is a group selected from the group consisting of a hydrogen atom, an alkyl group having from 1...
06/01/2004
6632932Trisazo compound
The objective of the present invention is to provide a high-purity trisazo compound with excellent light resistance that is useful as a coloring matter for a black aqueous ink for ink jet recording and the like. Thus, the present invention provides a tris...
10/14/2003
6534231Charge control agent and toner for developing electrostatic images
Charge control agent and toner for developing electrostatic images containing said charge control agent. The active ingredient of the charge control agent is a metal compound obtainable by reacting one or two or more molecules of a compound having a pheno...
03/18/2003
6476098Organic-inorganic composite material and process for preparing the same
According to the present invention, there is provided an organic-inorganic composite material which shows high mechanical strength and high water resistance, requires low cost for preparation, and is preferred to be used as a high performance and a high f...
11/05/2002
6468342Aqueous pigment dispersion and process for producing the same
It is provided an aqueous pigment dispersion having improved dispersing stability in which carbon black shows appropriate initial dispersing property and long-term dispersing property to water, and carbon black particles are less susceptible to aggregatio...
10/22/2002
6395341Organic-inorganic hybrid polymer materials with compositional gradient, and processes for preparing the same
According to the present invention, organic-inorganic hybrid polymer materials with compositional gradient, and processes for preparing the same are provided. In the organic-inorganic hybrid polymer materials with compositional gradient, formation of crac...
05/28/2002
6242648Process for preparing triarylamine dimer
The present invention intends to provide a simple process for preparing triarylamine dimer without using any expensive chemicals, the process being able to achieve high reaction yield and being advantageous to be carried out on an industrial scale. The pr...
06/05/2001
6228796Organic-inorganic hybrid materials and processes for preparing the same
The present invention is made to provide an organic-inorganic hybrid material, a surface of which is supplied with a layer having photo-catalysis, without photo-degradation of the substrate. The present invention provides an organic-inorganic hybrid mater...
05/08/2001
6150518Process for preparing .chi.-form metal free phthalocyanine
A process for preparing .chi.-form metal free phthalocyanine comprising: dry milling amorphous-like ଱-form metal free phthalocyanine to form .chi.-form metal free phthalocyanine partially; and wet milling or dispersing with stirring the resulting po...
11/21/2000
6106985Layered-form electrophotographic photoreceptor
A layered-form electrophotographic photoreceptor which is composed of a conductive substrate, a charge generating layer (CGL) laid on the conductive substrate, and a charge transporting layer (CTL) laid on the CGL, wherein the CGL includes μ-oxo-aluminum...
08/22/2000
6103854Organic-inorganic hybrid polymer material and process for preparing the same
According to the present invention, the characteristics of an inorganic material are suitably supplied to an organic material, and the characteristics of an organic material are suitably supplied to an inorganic material. The organic-inorganic hybrid poly...
08/15/2000
6099632Aqueous pigment ink composition
Disclosed is an aqueous pigment ink composition comprising at least water and carbon black, wherein a surface oxygen content of said carbon black is not less than 0.07 in atom-numeral ratio based on carbon atom measured by an X-ray photoelectron spectrosc...
08/08/2000
6093514(μ)-oxo-aluminum/gallium phthalocyanine dimer
The present invention provides novel μ-Oxo-aluminum/gallium phthalocyanine dimer having a structure of the formula (A): ##STR1## The μ-oxo-aluminum/gallium phthalocyanine dimer, and the mixed crystals comprising the μ-oxo-aluminum/gallium phthaloc...
07/25/2000
5990332Metal compound of aromatic hydroxycarboxylic acid, charge control agent, toner, and powdery paint
Metal compound of formula [I] which is excellent in charge control or charge-enhancing property, and toner for developing electrostatic images and powdery paint for electrostatic painting incorporating thereof: ##STR1## wherein R1, R2...
11/23/1999
5981745μ-oxo-gallium phthalocyanine dimer having novel polymorph and electrophotographic photoreceptor prepared by using the same
The present invention provides μ-oxo-gallium phthalocyanine dimer having a novel polymorph. The μ-oxo-gallium phthalocyanine dimer may be applied as a charge generator for an organic photoconductive material, such as a photoreceptor of practical use and...
11/09/1999
5981130Positively-chargeable charge control agent and toner for developing electrostatic images
Positively-chargeable charge control agent and toner for developing electrostatic images that comprises a coloring agent, a resin for toners, and said positively-chargeable charge control agent. The positively-chargeable charge control agent comprises a m...
11/09/1999
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