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Mitsubishi Paper Mills Limited Patents
Assignee:
Mitsubishi Paper Mills Limited
Address:
Tokyo, JP
No. of patents:
260
Patents:


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Patent Number Title Of Patent Date Issued
RE36303 Ink jet recording sheet September 14, 1999
The present invention provides an ink jet recording sheet which includes a support and an ink-receiving layer coated on at least one side of the support wherein the ink-receiving layer contains a coating composition containing a quaternary salt of dimethylamine.multidot.epichlorohydrin
8288313 Thermal recording material October 16, 2012
A thermal recording material comprises a support and a thermal recording layer formed thereon, the thermal recording layer containing an electron-donating dye precursor and an electron-receiving developer that causes said dye precursor to develop a color, wherein said thermal recordi
8283285 Scratch color-developable ink and invisible information printed sheet October 9, 2012
Disclosed are a scratch color-developable ink comprising an electron-donating colorless or light-color dye precursor, an electron-accepting color developer and a varnish, wherein a solid particle component contained therein has an average particle diameter of 0.3 to 25 .mu.m, a scrat
8252449 Separator for electrochemical element August 28, 2012
The present invention discloses a separator for an electrochemical element which comprises wet nonwoven fabric containing fibrillated cellulose, non-fibrillated fiber, and fibrillated heat-resistant fiber having all of a softening point, a melting point and a thermal decomposition te
8202406 Porous sheet, separator for electrochemical element, and method for manufacturing porous sheet June 19, 2012
A porous sheet which has good balance between electrolytic solution permeability and dry-up resistance, is superior in high-rate property, and is suitable for a separator for an electrochemical element, and a manufacturing method thereof are provided. The present invention relates to
8183175 Thermal recording material May 22, 2012
In a thermal recording material having an intermediate layer and a thermal recording layer that are laminated on a support in this order, the above intermediate layer contains a swellable starch and a pigment and is formed by applying onto the support a coating liquid containing the
8143533 Method for forming resist pattern, method for producing circuit board, and circuit board March 27, 2012
There are provided a method for forming a resist pattern for preparing a circuit board having a landless or small-land-width through-hole(s) to realize a high-density circuit board, a method for producing a circuit board, and a circuit board. A method for forming a resist pattern, co
8142842 Ink-jet recording method March 27, 2012
The present invention relates to a ink-jet recording method for printing with a glycol ink which contains 60 parts by weight or more of glycol ether based on 100 parts by weight of the ink, comprising printing by ejecting the glycol ink on an ink-jet recording material, wherein the i
8062994 Thermal recording material and process for the production thereof November 22, 2011
A thermal recording material having a thermally color-forming thermal recording layer and a protective layer which are formed on a substrate in this order, wherein the protective layer is a layer obtained by applying an aqueous coating liquid containing a polyvinyl alcohol, a crosslinkin
8012676 Process for preparing conductive material September 6, 2011
It is to provide a process for preparing a conductive material in which transparency and conductivity are both high, and storage stability is high, and further, in a process for preparing a conductive material utilizing ultra fine silver particles, to provide a process for preparing
7977260 Separator for an electric double layer capacitor July 12, 2011
The present invention provides a separator for an electric double layer capacitor comprising a porous sheet containing fibrillated heat-resistant fibers, polyester fibers having a fineness of 0.01 dtex to less than 0.10 dtex, and fibrillated cellulose, which is suitable for use as a sepa
7897012 Sheet containing fibrous or tubular moisture adsorbent metal oxide March 1, 2011
This invention is to provide a sheet product that is excellent in moisture absorption amount, moisture absorption speed and moisture release speed and is capable of keeping a powder from falling off and that can have a large content of a moisture adsorbent, and the sheet product of this
7763333 Ink jet recording medium July 27, 2010
This invention provides an ink jet recording medium, which is small in coverage and, at the same time, can simultaneously realize high gloss and ink absorption. The ink jet recording medium is produced by coating a lower layer comprising a water-absorptive pigment, a latex, and boric
7749620 Electromagnetic wave shield material and process for producing the same July 6, 2010
The present invention is to provide an electromagnetic wave shielding material which comprises a transparent substrate and a fine line pattern formed thereon, wherein the fine line pattern comprises a metal plating film using a physically developed metal silver as a catalytic nucleus and
7713599 Inkjet recording material May 11, 2010
The object of the present invention is to provide an ink jet recording material which has no cracks on the surface of the ink-receiving layer and possesses both the color developability and the absorbability of pigment inks. According to the present invention, there is provided an in
7700170 Ink-jet recording material and method for preparing the same April 20, 2010
There are disclosed an ink-jet recording material having at least two ink-receptive layers mainly containing fine particulate silica on a support, which comprises an ink-receptive layer positioned farthest from the support contains a water-soluble zirconium compound, and the ink-jet
7679004 Circuit board manufacturing method and circuit board March 16, 2010
As means for solving a problem of a positional shift of a land and a hole which is caused by an alignment in the formation of an etching resist layer and a plated resist layer in a method of manufacturing a circuit board, there are provided a method of manufacturing a circuit board i
7641764 Non-woven fabric for gypsum board and process for producing the same January 5, 2010
The object of the present invention is to provide a non-woven fabric comprising a glass fiber which has a strength, flexibility and water resistance, has less skin irritancy and a good surface decoration property, and a process for producing the same, more specifically, to provide a
7563494 Ink-jet recording material July 21, 2009
There is disclosed an ink-jet recording material which comprises a light transmitting support, at least one ink-receptive layer provided on one surface of the support and at least one back-coating layer provided on the opposite surface of the support, wherein at least one of the back
7441887 Ink-jet print system October 28, 2008
An object of the present invention is to provide an ink jet print system in which quality troubles (e.g. banding and ink overflow) caused by an unsuitable combination of ink and an ink jet recording medium in an ink jet recording apparatus in the case where the ink jet recording medium i
7416587 Heat regenerative deodorizing filter August 26, 2008
A thermally regenerative deodorizing filter, which comprises a deodorizing filter comprising a deodorant which is adaptable to a thermal regeneration and a honeycomb base material having a heat conductivity which carries the deodorant, and a heating element for regenerating the deodo
7405172 Non-woven fabric for separator of alkali cell and method for production thereof July 29, 2008
The present invention provides a non-woven fabric for an alkaline battery separator comprising semi-aromatic polyamide fibers comprising a dicarboxylic acid component, in which 60 mol % or more of the dicarboxylic acid component is an aromatic carboxylic acid component, and a diamine
7326440 Process for preparing an ink-jet recording material February 5, 2008
There is disclosed a sheet-state ink-jet recording material which comprises a water-resistant support and at least one ink-receptive layer provided on the support, wherein at least one of the ink-receptive layers contains inorganic fine particles having an average primary particle size
7299862 Total heat exchanging element November 27, 2007
When latent heat is transferred between the two airflows flowing along the respective sides of each partition member, not only a layer of moisture absorbent but also a layer of flame retardant lies in the direction of transfer of the moisture. Thus, even if the moisture is absorbed by th
7275879 Processing device of photo-sensitive material October 2, 2007
Disclosed is a processing device of a photo-sensitive material which comprises a conveying device for conveying a photo-sensitive material, a slot die for applying a processing liquid to the photo-sensitive material conveyed by the conveying device, a reservoir tank of the processing
7147901 Both-sided ink jet recording sheet December 12, 2006
The object of the present invention is to obtain a double-side ink jet recording sheet at least one side of which has gloss surface and in which scratches caused by rubbing of sheets hardly occur. According to the present invention, there is obtained a double-side ink jet recording s
6991330 Ink-jet recording material for proof January 31, 2006
Disclosed are an ink-jet recording material for proof including a water-resistant support and at least one ink-receptive layer containing inorganic fine particles and a hydrophilic binder provided on the support, wherein the water-resistant support has a center line average roughness
6969445 Ink jet recording paper November 29, 2005
The object of the present invention is to provide an ink jet recording paper of so-called plain paper type having no coating of pigment on the recording surface which is excellent in image density and color reproducibility of the recorded image and besides has a water resistance of t
6919110 Packaged product for ink-jet recording material, and recording method and recorded material usin July 19, 2005
There are disclosed a packaged product for an ink-jet recording material which has a protective sheet for protecting the surface of the outermost ink-receptive layer of the ink-jet recording material, wherein a protective paper sheet is used as the protective sheet in which a differe
6905798 Separator for electrochemical device and method for producing the same June 14, 2005
The present invention provide a separator for an electrochemical device which comprises a wet nonwoven fabric comprising one or more kinds of fibrillated organic fibers which are at least partially fibrillated into a fiber diameter of 1 .mu.m or less, and one or more kinds of unfibrillat
6899930 Recording material for ink-jet May 31, 2005
According to the present invention, in an ink-jet recording material in which at least two ink-receptive layers containing inorganic fine particles and a hydrophilic binder are provided on a support, an ink-jet recording material wherein an ink-receptive layer (A) nearer to the suppo
6869743 Method of processing light-sensitive material March 22, 2005
There is disclosed a method of processing a light-sensitive material which comprises exposing a light-sensitive material having at least one light-sensitive layer on a support, and subjecting to development by a dipping system or a coating system, and then, peeling at least the light
6866981 Light-sensitive composition March 15, 2005
There are disclosed a light-sensitive composition which comprises (A) at least one water-soluble polymer selected from a cationic water-soluble polymer having a phenyl group substituted by a vinyl group at a side chain of the polymer and a water-soluble polymer having a phenyl group
6838132 Recording sheet and method for preparation thereof January 4, 2005
The object of the present invention is to provide an ink jet recording sheet which can give an image having an appearance looking like a picture, especially, an oil painting with maintaining sufficient print density. According to the present invention, there is provided an ink jet record
6821585 Ink-jet recording material and ink for ink-jet recording November 23, 2004
There are disclosed an ink-jet recording material comprising a support, and an ink-receptive layer provided on the support, wherein the ink-jet recording material contains at least one compound selected from a carbohydrazide compound in which at least one nitrogen atom at 1-position
6820681 Heating regeneration type organic rotor member and method for producing the same November 23, 2004
The object of the present invention is to provide a heating regeneration type organic rotor member which comprises a honeycomb structural body capable of being continuously regenerated by heating upon rotational driving and remarkably improved in mechanical strength by using a fiber
6815679 Reversible thermal recording material and method of recording image on reversible thermal record November 9, 2004
A reversible thermal recording material permits recording having a clear contrast at a high sensitivity and erasing such images a number of times, at least 1,000 times, repetitively, and comprises a leuco dye, a reversible developer and a light-heat-converting dye, the light-heat-con
6777148 Organic photoconductive material and electrophotographic photoreceptor using the material August 17, 2004
Disclosed are a novel organic photoconductive material suitable as a charge-transporting material in a photosensitive layer of an electrophotographic photoreceptor or usable in various display devices, and an electrophotographic photoreceptor which uses the above organic photoconduct
6773771 Ink-jet recording sheet August 10, 2004
Disclosed is an ink-jet printing sheet which comprises a support and at least one ink-receptive layer provided on the support, wherein at least one of the ink-receptive layer contains silica fine particles having an average primary particle diameter of 20 nm or less and at least one
6746820 Light-sensitive composition and light-sensitive lithographic printing plate June 8, 2004
There are disclosed a light-sensitive composition which comprises a polymer comprising a carboxyl group and a polymerizable double bond at the side chain, an organic-borate salt, and a hindered amine compound or a protonic acid captor; and a lithographic printing plate which comprises an
6692886 Method for manufacturing a lithographic printing plate February 17, 2004
An object of the present invention is to provide a method for manufacturing an aluminum printing plate which is superior in fine line reproduction and has no occurrence of spot-like defect in the silver image part. According to the present invention, a method for manufacturing a lithogra
6677005 Ink-jet recording material January 13, 2004
There is disclosed an ink-jet recording material which comprises a support and a layer containing at least one of a polymer latex and a resin emulsion in combination with solid fine particles, and at least one layer containing fumed silica formed on the above-mentioned layer.
6670002 Ink jet recording sheet and method for producing it December 30, 2003
An ink jet recording sheet which comprises a support and an ink-receiving layer formed on at least one side of the support, said ink-receiving layer comprising a pigment, colloidal particles or a mixture thereof, and a binder resin, as the main components, wherein the ink-receiving layer
6666165 Curtain coating apparatus and curtain coating process December 23, 2003
A curtain coating apparatus for applying a coating solution to a continuously moving web, which comprises an air jet injector for injecting air in the upstream direction of a web, provided at a position upstream of a contact point of a curtain film with the web and a shielding member
6645685 Process for producing printed wiring board November 11, 2003
Disclosed is disclosed a process for producing a printed wiring board which comprises the steps of: a) exposing a wiring board having at least one photoconductive layer in which its chargeability is changed by light exposure on at least one surface of a conductive support which compri
6616991 Ink jet recording material for non-aqueous ink September 9, 2003
An ink jet recording material for a non-aqueous ink, comprising an ink-receiving layer provided on a support and a polymer soluble or swellable in a petroleum type high boiling solvent, wherein the polymer is a liquid rubber.
6613418 Ink-jet recording material and use of the same September 2, 2003
An ink-jet recording material for back lit use having a light transmitting support and an ink-receptive layer provided on the support, wherein the ink-receptive layer comprises a hydrophilic polymer and an inorganic pigment having an average particle diameter of 0.5 to 10 .mu.m, or it
6613416 Ink-jet recording material September 2, 2003
Disclosed is an ink-jet recording material comprising a polyolefin resin-coated paper support and at least one ink-receptive layer containing fumed silica provided on the support, wherein a surface of the support on which the ink-receptive layer is provided has been subjected to work int
6610389 Ink-jet recording material, and recording method of ink-jet recording and recorded material usin August 26, 2003
There are disclosed an ink-jet recording material which comprises a water resistant support, an ink-receptive layer containing inorganic fine particles having an average particle size of a primary particle of 3 to 30 nm on one surface of the support, and a back coating layer mainly c
6607269 Ink-jet recording material August 19, 2003
There is disclosed an ink-jet recording material including a water resistant support, and a porous ink-receptive layer containing inorganic fine particles having an average particle size of primary particles of 30 nm or less provided on the support, wherein the ink-jet recording material
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