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Jujo Paper Co., Ltd. Patents
Assignee:
Jujo Paper Co., Ltd.
Address:
Tokyo, JP
No. of patents:
105
Patents:


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Patent Number Title Of Patent Date Issued
5434119 Transparent recording medium July 18, 1995
A transparent recording medium is disclosed which can directly record a fine, precise image. With the recording medium, a compact, fine image occupying a small storage space can be easily enlarged and confirmed by an enlarged projection. It is prepared by applying a coating liquid for
5393443 Hard-coating, heat-absorbing composition and heat-shielding substance February 28, 1995
A hard-coating, heat-absorbing composition which is capable of absorbing near-infrared rays from sunlight and a heat-shielding substance is disclosed. The composition comprises a silicone varnish for hard-coating comprising polysiloxane and, dissolved therein, diphenylthiourea and co
5391666 Light-responsive plate containing the metal salt of a phthalic acid derivative February 21, 1995
A shading and light-responsive plate or film is composed or a transparent polymer containing a novel phthalic acid derivative metal salt and further near infrared ray shading plate or film is composed of a transparent polymer containing the aforesaid phthalic acid derivative copper salt
5376237 Newsprint December 27, 1994
Multicolor printing on a high speed web-fed press with cold-set ink increases production efficiency over that of a press with dryers. For this purpose, newsprint is used because of its good oil absorptiveness, however, the printing quality is not satisfactory. A coating including nee
5369199 Light-responsive plate containing metal salt of a phthalic acid derivative November 29, 1994
A shading and light-responsive plate or film is composed of a transparent polymer containing a novel phthalic acid derivative metal salt and further a near infrared ray shading plate or film is composed of a transparent polymer containing the aforesaid phthalic acid derivative copper sal
5360657 Coated printing paper and process for producing the same November 1, 1994
A process is provided for producing a coated printing paper by first applying a pigment containing layer, superposing thereon a surface layer of a thermoplastic latex having a second-order transition of at least 80.degree. C. and an average particle size of smaller than 100 nm to pro
5354514 Near infrared absorbing composition and material and product containing same October 11, 1994
Near infrared absorbing composition and material comprising a specific thioamide compound and a copper compound and/or a lead compound. The composition and material of this invention provide an uniform absorption over a near IR-region without decreasing other properties.
5352650 Thermal recording sheet October 4, 1994
A thermal recording sheet provided with a thermal color developing layer containing colorless or pale colored basic chromogenic dye, a color developer of Formula (I) and at least one of o-xylylene-bis-(phenylether) and 4-(m-methylphenoxymethyl) bisphenyl as a sensitizer. ##STR1##
5322831 Thermal recording sheet June 21, 1994
A thermal recording sheet having a thermal color developing layer containing a color developer and a colorless or pale colored basic chromogenic dye, which further contains a stabilizer of Formula (I) and a sensitizer of Formula (II) or Formula (III), thereby obtaining a high sensiti
5279885 Ink-jet recording sheet January 18, 1994
This invention relates to a recording sheet for an ink jet printer comprising fibrous base material and a back-coating layer formed on the back surface of the base material, which characterized by that the base material contains a cationic polymer size (a), and the back-coating layer
5269743 Method of imparting increased foldability to fold lines in paperboard material for paper contain December 14, 1993
A strip of paperboard material having a thickness of 170 to 600 .mu.m and a multiplicity of fold lines formed widthwise thereof at a predetermined spacing and U-shaped in cross section is caused to travel as reeved around two prefolding rolls, 5 to 30 mm in diameter, from different direc
5251551 Calendering apparatus for paper making process October 12, 1993
A calendering apparatus in which a nip portion is formed by a chilled roll, a backing roll and an endless elastic belt arranged over the backing roll, wherein a paper sheet to be treated passes between the chilled roll and the endless elastic belt. Thus, a paper sheet having a remarkably
5236633 Plate and sheet comprising near infrared absorbing composition August 17, 1993
A plate or a sheet being capable of absorbing near IR-rays, which is prepared by heating both at least a raw material of a transparent polymer and a mixture of a thiourea compound and a copper compound. This invention provides superior optical materials for shielding sunlight thermic ray
5234797 Optical recording medium August 10, 1993
In an optical recording medium, a light absorbent can be incorporated into a color-developing layer without separately constituting a light absorbing layer by holding the light absorbent in a dispersed or dissolved state in a solvent soluble or heat fusible material. Thus, an optical rec
5215812 Coated printing paper June 1, 1993
A process is provided for producing a coated printing paper by first applying a pigment containing layer, superposing thereon a surface layer of a thermoplastic polymeric latex having a second-order transition temperature of at least 80.degree. C., and treating the surface layer with
5206209 Heat-sensitive recording sheet April 27, 1993
A heat-sensitive recording sheet of this invention comprises in a heat-sensitive color-developing layer both bis(4-hydroxyphenyl)butylacetate as an organic color-developing agent and a particular fluorane-leuco dye. This sheet provides an intense clear image less discoloration and su
5202450 Phthalic acid derivative metal salt and shading and light-responsive plate containing the metal April 13, 1993
A shading and light-responsive plate or film is composed of a transparent polymer containing a novel phthalic acid derivative metal salt and further a near infrared ray shading plate or film is composed of a transparent polymer containing the aforesaid phthalic acid derivative copper sal
5200947 Optical recording medium, optical recording method, and optical recording device used in method April 6, 1993
Features of the present invention are connected with an optical recording medium which comprises a substrate, a heat-sensitive color-developing layer containing a basic dye and an organic developer, and a light-absorbing layer containing a near infrared absorbent, the aforesaid layer
5180624 Ink jet recording paper January 19, 1993
This invention concerns an ink jet recording paper characterized by comprising a base layer that contains an internal size, and an ink-receptive layer that is made out of a material having good affinity for inks, wherein the ink-receptive layer is superposed on either one or both sid
5178990 Method of identifying output, main wavelength, etc., of light January 12, 1993
A method of identifying the output energy, main wavelength, position, pattern, etc., of light, which comprises irradiating a photosensitive coloring medium comprising a base material, a heat-sensitive coloring material, and a light absorptive material releasing heat sufficient for co
5178949 Color-former January 12, 1993
The present invention relates to a color-former having microcapsules which comprise an electron-donating colorless dye dispersed in a hydrophobic liquid. The present invention provides a color-former using both an electron-donating colorless dye and a hydrophobic liquid which previously
5176796 Avoiding pitch troubles using acylgerol lipase January 5, 1993
The method for avoiding pitch troubles includes the treatment with an acylglycerol lipase. The method of the present invention overcomes the pitch troubles in a process for the production of mechanical pulp and/or mechanical pulp-containing paper.
5165973 Ink jet recording sheet November 24, 1992
An ink jet recording sheet providing an image by the use of an aqueous ink containing a water-soluble dye comprises a substrate having thereon a specific ink receptive layer. This ink jet recording sheet has excellent properties under maintaining the paper-like figure and feeling of an
5146097 Method for measuring gloss profile September 8, 1992
This invention relates to a method for measuring a gloss profile of the surface of materials as paper, specifically coated paper, synthetic resin film, metals and the like.This method comprises the step of applying a spot of a monochromatic ultraviolet light to the surface of sample, mov
5120702 Heat-sensitive recording material June 9, 1992
A heat-sensitive recording material has a support and a color-developing layer which comprises as an organic color-developing agent 4-hydroxy-4'-n-propoxydiphenylsulfone and as a stabilizer a particular stabilizer.This heat-sensitive recording material is suitable for a high density-and
5118656 Heat-sensitive recording sheet June 2, 1992
A heat-sensitive recording sheet has on a support a color-developing layer which comprises a colorless or pale colored basic chromogenic dye and an organic color-developing agent, wherein the organic color-developing agent comprises both 4-hydroxy-4'-n-propoxydiphenylsulfone and a partic
5100711 Optical recording medium optical recording method, and optical recording device used in method March 31, 1992
Features of the present invention are connected with an optical recording medium which comprises a substrate, a heat-senstive color-developing layer containing a basic dye and an organic developer, and a light-absorbing layer containing a near infrared absorbent, the aforesaid layers bei
5096873 Thermosensitive recording sheet March 17, 1992
A thermosensitive recording sheet comprising a support and a thermosensitive color developer layer thereon containing a basic leuco dye and an organic color developer, said layer containing a bis-phenyl sulfone compound selected from bis-(3-phenyl-4-hydroxyphenyl)sulfone and bis-(2-m
5075146 Optical recording medium December 24, 1991
A novel optical recording medium is here disclosed in which an underlayer and a heat-sensitive color-developing layer are laminated in this order onto a base material, the underlayer containing a near infrared absorbent, the heat-sensitive color-developing layer containing a basic colorl
5066634 Heat-sensitive recording sheet November 19, 1991
A heat-sensitive recording sheet of this invention comprises in a heat-sensitive color-developing layer both 4-hydroxy-4'-n-propoxydiphenylsulfone as an organic color-developing agent and a particular fluorane-leuco dye. This sheet provides an intense, clear image, less discoloration
5061536 Optical recording medium October 29, 1991
The present invention is related to an optical recording medium comprising a substrate, a light-absorbing layer containing a near infrared absorbent and a heat-sensitive color-developing layer, these layers being superposed upon the substrate. The near infrared absorbent which is used in
5044140 Packaging machine September 3, 1991
A packaging machine for forming a web of packaging material into a vertical tube, filling contents into the tube, dividing the tube into lengths each corresponding to one container and forming each length into a baglike container. The machine comprises a filling device for filling a liqu
5013708 Pressure-sensitive recording sheet and coating material therefor May 7, 1991
A coating material for a pressure-sensitive recording sheet comprises both microcapsules A and microcapsules B, wherein the microcapsules A contains a solvent S.sub.1 which dissolves a colorless dye for a pressure-sensitive recording sheet, and the microcapsules B contains a dye-free sol
4977943 Waste paper de-inking process using multi-stage vertical column vapor-liquid mixer December 18, 1990
A waste paper de-inking system of this invention agitates and mixes waste paper dissolving slurry and treating gas by a multi-stage type vapor-liquid mixer before a floatator treating step, separates and finely pulverizes ink and sticky matters adhered to fiber in the waste paper dis
4971942 Heat-sensitive recording material November 20, 1990
A heat sensitive recording material having a support and a color-developing layer which comprises both as a colorless basic chromogenic dye at least one of a particular fluorane-type leuco dye and a particular divinyl compound, the heat-sensitive recording material of this invention havi
4918044 Thermosensitive recording sheet April 17, 1990
A thermosensitive recording sheet having a thermosensitive color developer layer containing a basic leuco dye and an organic color developer, said layer containing a compound of the formula ##STR1## as a sensitizer.
4911601 Device for moving and supporting a stack of folded cartons in carton automatic feeding device fo March 27, 1990
Apparatus for moving a stack of folded cartons from a first container to a second container in an automatic carton feeding apparatus and providing support for the stack of folded cartons to prevent individual ones of the folded cartons from tumbling out of the stack during such movement.
4910185 Heat-sensitive recording material March 20, 1990
A heat-sensitive recording material including a support and a color-developing layer comprising an electron doner, an electron acceptor and a fluorescence-dyestuff and/or pigment. The heat-sensitive recording material is superior in both readability in an irradiation of UV-ray and op
4909432 Paper container for liquid March 20, 1990
A paper container for containing liquid such as milk and juice is disclosed. The container is formed of a thick paper provided thereon with vertical and horizontal folding lines intersecting each other at right angles. The intersecting portions of the folding lines are such formed as
4889927 Production process of phenylglycosides December 26, 1989
This invention concerns a process for producing phenolic substances with beneficial biological activities in a high yield, which comprises: subjecting a glycose of which an OH group at the 1 position is substituted for a halogen atom and of which other groups are substituted for acyl
4869047 Method of filling gas and apparatus for filling gas September 26, 1989
A paper container filling a liquid content which comprises an upper air gap formed therein for sealing solely carbon dioxide or nitrogen gas and carbon dioxide. Thus, a recess is produced on the paper container by utilizing a small pressure reduction in the container generated as a r
4868151 Heat-sensitive recording material September 19, 1989
A heat-sensitive recording material has a support and a color-developing layer which comprises a particular sulfone as an organic color-developing agent and a particular fluorene-type leuco dyestuff as a colorless basic chromogenic dyestuff. This heat-sensitive recording material is supe
4867342 Automatic carton feeding device for a liquid filling machine September 19, 1989
An automatic carton feeding device for a liquid filling machine according to the present invention comprises a carton supply basket assembly divided into an upper and lower basket. The upper basket, which follows the lower basket connected to the liquid filling machine, is installed so a
4861749 Heat-sensitive recording material August 29, 1989
A heat-sensitive recording material comprises a support and a color-developing layer having a particular saturated higher fatty acid iron salt, a particular polyvalent phenolic derivative and a colorless leuco dyestuff.The heat-sensitive recording material of the present invention provid
4853363 Heat-sensitive recording material August 1, 1989
A heat-sensitive recording material has a substrate and a color-developing layer which comprises a near infrared-absorbing fluorantype leuco dye.This heat-sensitive recording material provides a superior optical readability in near infrared region.
4853362 Heat-sensitive recording sheet August 1, 1989
A heat-sensitive recording material has a support and a color-developing layer which comprises both as a colorless basic chromogenic dye at least one of a particular fluorane-type leuco dye and a particular divinyl compound and as a stabilizer a particular halogen-substituted zinc be
4853361 Heat- and light-sensitive recording material August 1, 1989
A heat- and light-sensitive recording material has a substrate and a color-forming layer which comprises a particular fluoran-type leuco dye.This heat- and light-sensitive recording material provides a clear image a superior contamination-resistance and an excellent readability in visible
4849396 Heat-sensitive recording material July 18, 1989
A heat-sensitive recording material including a support and a color-developing layer having both an electron donor and a metal double salt or higher fatty acid having 16-35 carbon atoms as an electron acceptor. The heat-sensitive recording material is superior is dispersibility, imag
4840011 Device for laterally cutting carton case in carton automatic feeding device for a liquid filling June 20, 1989
Apparatus provided with lateral cutters to effect lateral cuts at the upper and lower parts of a tape applied on to the flaps at both ends of a carton case. The cutters are installed on a mechanism for extending and retracting the cutters relative to the end face corners at both ends of
4835135 Color-developing sheet for pressure-sensitive recording sheets May 30, 1989
The color-developing sheet for pressure-sensitive recording sheet contains a color-developing agent comprising an inorganic solid acid in combination with a polyvalent metal salt of carboxylated terpenephenol resin and/or a reaction product of carboxylated terpenephenol resin, aromatic c
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