U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Did You Know...

...that Robert Adler has the dubious distinction of being the Father of the Couch Potato? Back in 1955 Adler was employed by what was then Zenith Radio Corp., where he was charged to invent something that would allow viewers to turn down the TV volume without leaving their chairs. After a series of flops (such as a wired contraption that people tripped over), Adler hit on the idea of using sound waves. Thus the Remote Control was born...

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Assignee: Dainippon Ink and Chemicals, Inc.


Location: Tokyo, JP
No. of patents: 492

1                      
NumberTitleIssue Date
8171956Liquid supply method and apparatus
There is provided a liquid supply method in which, when preparing a solution that can be used as washing water and the like by supplying a minute amount of chemicals and the like to ultrapure water, the amount of supply solution that is supplied can be accurately de...
05/08/2012
8163820Process for producing aqueous pigment dispersions for ink-jet recording
A process is provided for producing aqueous pigment dispersions for ink-jet recording in which fine pigments are stably dispersed and such a state can be maintained for a long period of storing. Moreover, a process is provided for producing aqueous pigment dispersio...
04/24/2012
8159784Magnetic recording medium and production method thereof
The magnetic recording medium of the present invention has a pattern formed using a pattern-forming agent in a laminate of multiple layers including a base material and a magnetic recoding layer, wherein the pattern is recognized on the surface of the laminate oppos...
04/17/2012
8013049Method for producing core-shell type highly liquid absorbent resin particles
The present invention discloses a production method of core-shell type highly liquid absorbent resin particles comprising: (1) a first step in which a particle core portion is formed by suspension polymerizing an aqueous solution (e) containing (meth)acrylic acid, a...
09/06/2011
8003006Difluorobenzene derivative and nematic liquid crystal composition using the same
A nematic liquid crystal composition of the present invention includes one or at least two compounds represented by general formula (I) as a first component; and one or at least two compounds represented by general formula (II) as a second component, wherein a diele...
08/23/2011
7985822Epoxy resin composition,cured article thereof, semiconductor sealing material, novel phenol resin, novel epoxy resin,method for producing novel phenol resin, and method for producing novel epoxy resin
An epoxy resin composition including an epoxy resin and a curing agent as essential components, in which the curing agent comprises a phenol resin which has each structural moiety of a phenolic hydroxyl group-containing aromatic hydrocarbon group (P), an alkoxy grou...
07/26/2011
7960065Separator for fuel cell, method for producing the same, and fuel cell
The present invention provides a separator for a fuel cell comprising a resin and a conductive material as constituting components, and sulfonic acid groups imparted to at least one portion at the surface of gas channels by a treatment using a sulfuric acid-containi...
06/14/2011
7858159Photocurable composition for sealant, liquid crystal sealant, and liquid crystal panel
The photocurable composition for a sealant of the present invention includes a compound represented by general formula (1): A1-Y1—B1—Y2-A2  (1) (wherein A1 and A2 ...
12/28/2010
7852435Light-condensing film, liquid-crystal panel and backlight as well as manufacturing process for light-condensing film
A conventional liquid crystal display comprises a number of components, so that a manufacturing cost cannot be reduced. Furthermore, a large-area substrate has problems in shipping. According to this invention, a liquid-crystal panel is prepared by forming individua...
12/14/2010
7799911Phthalocyanine compound and method for producing the same, and coloring composition containing the phthalocyanine compound
To provide a phthalocyanine compound represented by the following general formula (1), which is halogen-free and has green hue, and also has resistance to an organic solvent and an acid: in the above general formula (1), M ...
09/21/2010
7771625Method for producing surface-treated silver-containing powder and silver paste using surface-treated silver-containing powder
A method for producing a surface-treated silver-containing powder comprises vacuum freeze drying a dispersion liquid, which is obtained by dispersing silver or silver compound particles (a) in a solvent together with a surfactant (b) of an alkylamine type or an alky...
08/10/2010
7749587Optical disk
An optical disk comprising a first substrate, a first reflective layer for reflecting laser beams for information reading formed on the first substrate, and a resin layer made of a cured film of an ultraviolet curable composition formed on the first reflective layer...
07/06/2010
7732114Modified nigrosine, its production method, and toner for developing electrostatic charge images using this modified nigrosine
Modified nigrosine which has satisfactory dispersibility in resin and which reduces the residual aniline amount is offered, and its production method is also offered. Moreover, toner for developing electrostatic charge images is offered, which uses modified nigrosin...
06/08/2010
7718741Epoxy resin composition and cured article thereof, novel epoxy resin and production method thereof, and novel phenol resin
The present invention relates to a composition containing as a main component, an epoxy resin which has a structure comprising a polyaryleneoxy structure such as polynaphthylene oxide as a main skeleton, (methyl)glycidyloxy group and aralkyl group being introduced o...
05/18/2010
7674866Method of producing polymer using iron complex as catalyst
The object of the present invention is to provide a method of producing a polymer wherein radical-polymerizable monomers can be polymerized in a quantitative manner in a relatively short time, and a polymer or a block copolymer having at its termini a functional gro...
03/09/2010
7670517Method of producing polyurethane foam sheet and laminated sheet using same
A method of producing a polyurethane foam sheet, and a laminated sheet that uses such a foam sheet, that can be applied to artificial leather, synthetic leather, and cushioning materials used in all manner of applications. A polyurethane foam sheet is produced by ap...
03/02/2010
7666955Methods for producing branched-polyether resin composition and acid pendant branched-polyether resin composition
A method for producing a branched-polyether resin composition of the present invention includes a first step of obtaining a reaction mixture including: (1-A) a branched-polyether resin (X) containing a hydroxyl gro...
02/23/2010
7662878Aqueous pigment dispersion and ink composition for inkjet recording
The present invention is to provide an orange ink composition for inkjet recording high in color saturation and gloss, while having long storage stability and jet stability, and also to provide an aqueous pigment dispersion mainly composing the ink composition. The ...
02/16/2010
7662442Trifluoronaphthalene derivative and liquid crystal composition containing the same
The present invention was realized in order to provide a liquid crystal composition which is negative in dielectric constant anisotropy and having a large absolute value and a display element, and also to provide a compound which is negative in dielectric constant a...
02/16/2010
7651630Difluorobenzene derivative and nematic liquid crystal composition using the same
A nematic liquid crystal composition of the present invention includes 10 to 80% by mass of either one or at least two compounds represented by general formula (I) as a first component; and 20 to 70% by mass of either one or at least two compounds represented by gen...
01/26/2010
7630116Ion conductor and electrochemical display device utilizing the same
An ion conductor has fine particles of an organic polymer including 20 to 80% by mass of ultra-fine particles of an inorganic compound, and an electrolytic solution impregnated into the fine particles of the organic polymer, wherein the fine particles of the organic...
12/08/2009
7612151Moisture-curable polyurethane hot-melt adhesive
A moisture-curable polyurethane hot-melt adhesive, which includes a urethane prepolymer obtained by a reaction between polyisocyanate and polyols, wherein the polyols contain: long-chain aliphatic polyester polyol (A) represented by a general formula (I); aliphatic ...
11/03/2009
7537882Anti-reflective coating composition and production method for pattern using the same
The object of the present invention is to provide an anti-reflective coating composition having excellent coating properties while maintaining performance as an anti-reflective film. An anti-reflective coating composition comprising at least the following components...
05/26/2009
7514569Benzimidazolone compound
A benzimidazolone compound represented by a general formula (1), (in the formula, each of R1, R2, R3 and R4 represents independently a hydrogen atom, an alkyl group having 1 to 5 ...
04/07/2009
7514507Comb-shaped epoxy resin and method for preparing comb-shaped epoxy resin
The present invention provides a comb-shaped epoxy resin represented by the following formula (1): in the formula (1), X1 and X2 represent a divalent group having a residue selected from xanthene resid...
04/07/2009
7514138Hydraulic transfer film and method for producing hydraulic transfer body using the same
An object of the present invention is to provide a hydraulic transfer film with a transfer layer capable of forming a cured resin layer on a hydraulic transfer body, to provide a hydraulic transfer film capable of forming a clear decorative layer on a curable resin ...
04/07/2009
7509271Color-designating server, color-designating receiving/ordering system, color-designating method, color-designating receiving/ordering method, and recording medium
Disclosed are a color-designating server which can display a screen for designating color at a user terminal, which can be connected to a network, a color-designating method, and a recording medium. A matchable color database stores data required for determining mat...
03/24/2009
7495058Water-base coating material
Disclosed is an aqueous coating agent comprising a water dispersion (C) prepared by dispersing resin particles containing a water-dispersible polyurethane resin (A) and at least one compound selected from a hydrophobic polyester polyol (B-1) and a hydrophobic polyet...
02/24/2009
7456247Phenolic resin formed from a difunctional phenol and a divinyl ether
A phenolic resin, which is the reaction product of a difunctional phenol compound and a divinyl ether having a cycloalkane structure, is provided. The phenolic resin is used to form a difunctional epoxy resin. The resulting epoxy resin features relatively increased ...
11/25/2008
7449223Polymerizable liquid crystal composition and optically anisotropic medium
A polymerizable liquid crystal composition includes a liquid crystal compound having a polymerizable group, wherein the composition includes from 0.1 to 6.0% by weight of a (meth)acrylic copolymer (H), which 1) has a side chain containing a fluorine gro...
11/11/2008
7431794Process for producing leather-like sheet
A process for producing a leather-like sheet, wherein a skin-like layer composed of a resin composition (C) is formed on top of a fibrous substrate (E), comprising; heating and melting a moisture-curable polyurethane hot-melt resin composition (C) which contains a h...
10/07/2008
7405026Liquid crystal composition
A nematic liquid crystal composition includes at least one of liquid crystal compounds containing a trans-4-trifluoromethoxycyclohexyl group in a backbone, in which the number of an intramolecular cyclohexane ring is 2 to 4; at least one of compounds in which Δε i...
07/29/2008
7371870Benzimidazolone compound
There are provided benzimidazolone compounds that provide a plurality of hues from a single structural formula, and are useful as pigments that offer superior dispersibility in binder resins, as well as benzimidazolone compounds that are useful as pigments, and show...
05/13/2008
7365147Epoxy resin composition, process for producing epoxy resin, novel epoxy resin, novel phenol resin
In the technical field where a difunctional epoxy resin having increased molecular weight is used to impart flexibility or improving dielectric properties, the present invention has remarkably improved moisture resistance and water resistance when used to produce a ...
04/29/2008
7344073Magnetic recording medium
The present invention discloses a magnetic recording medium comprised by sequentially layering a magnetic recording layer, intermediate layer and concealment layer on a non-magnetic substrate made from a thermoplastic resin, wherein the surface of the intermediate l...
03/18/2008
7326558Process for treating spirulina
The treatment of spirulina by a process which includes placing spirulina that has not been previously heat-sterilized, lactic acid bacteria and sugar in water, then culturing the lactic acid bacteria provides treated spirulina in which the distinctive taste and odor...
02/05/2008
7319028Process for producing sporangia of , control agent, and controlling method
The present invention provides a process for efficiently producing sporangia of Bacillus popilliae containing spores and parasporal bodies having controlling effects on Scarabaeidae insects, and a control agent and controlling method for Scarabaeida...
01/15/2008
7294670Aqueous polyurethane resin dispersion and aqueous adhesive
An aqueous urethane resin dispersion for bonding can be used in wet lamination and dry lamination and can be reactivated easily at a low temperature of about 50 to 70° C. after drying, and is also superior in coatability, adhesive strength, and heat resistance. The...
11/13/2007
7295425Molding for electrolytic capacitor anode element, molding with substratum, production methods therefor, and production method for electrolytic capacitor anode element
The present invention provides a molding having excellent workability and a production method therefore. In addition, the present invention provides a molding with which a capacitor element having excellent electric properties can be obtained, and which has excellen...
11/13/2007
7268171Water-based coating composition curable with actinic energy ray, coated metallic material with cured film of the composition, production process, and method of bonding coated metallic material
A radiation curable aqueous coating composition comprises an aqueous resin having a chemically bonded phosphate group and an ethylenic unsaturated double bond, and/or a phosphate compound having an ethylenic unsaturated double bond and an aqueous resin having an eth...
09/11/2007
1                      
 
Sign InRegister
Username  
Password   
forgot password?