Patents Assigned to OJI Paper Co., Ltd.
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Patent number: 8066683Abstract: A disposable diaper is provided, including an absorber, a top sheet, a back sheet, and a skin contact sheet (SCS) disposed above the top sheet. The skin contact sheet is formed with a stool passing opening and a urine passing opening at a portion corresponding to a crotch part, and includes an SCS central region formed by extending a strip-shaped inter-opening region, which is sandwiched by the two openings and extends in the width direction, by half the length between the openings in the anterior direction and in the posterior direction; an SCS ventral region located at the ventral side from the SCS central region; and an SCS dorsal region located at the dorsal side from the SCS central region. A least the SCS central region has the stretching force in the width direction, and an inter-opening central region sandwiched by the two openings includes a non-stretchable region.Type: GrantFiled: October 10, 2006Date of Patent: November 29, 2011Assignees: Oji Nepia Co., Ltd., Oji Paper Co., Ltd.Inventors: Katsuhiko Sugiyama, Tomotsugu Miyoshi, Izumi Tashiro
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Patent number: 8043994Abstract: The present invention provides a thermal transfer receiving sheet obtained by sequentially forming a hollow particle-containing intermediate layer and an image receiving layer on one surface of a sheet-like support mainly comprising cellulose pulp, wherein the moisture content of the entire thermal transfer receiving sheet is from 2 to 8 mass % and the moisture permeability of the entire receiving sheet is 400 g/m2·day or less; and a production method thereof. The present invention further provides a thermal transfer receiving sheet obtained by sequentially forming a hollow particle-containing intermediate layer and an image receiving layer on one surface of a sheet-like support mainly comprising cellulose pulp and providing a backside layer on another surface of the support, wherein the backside layer mainly comprises an acryl-based resin having a glass transition point (Tg) of 45° C.Type: GrantFiled: July 7, 2010Date of Patent: October 25, 2011Assignee: Oji Paper Co., Ltd.Inventors: Toshikazu Onishi, Toru Nakai, Kazuyuki Tachibana, Kyoko Uchida, Yoshimasa Tanaka, Yoshihiro Shimizu, Hideaki Shinohara, Masato Kawamura, Chikara Tsukada
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Publication number: 20110207177Abstract: The present invention provides a pretreatment method which enables the promotion of the enzymatic glycosylation of lignocellulose under relatively mild conditions by using a tree bark as a raw material with less energy. Specifically the present invention provides a step for producing a sugar from a tree bark, which is characterized by having the following steps: an alkali treatment step of immersing the tree bark in an alkali compound solution; a refining treatment step of refining the alkali treated tree bark mechanically into fine pieces; and an enzymatic glycosylation step of glycosylating the refined tree bark with an enzyme. The present invention also provides a method of producing an ethanol.Type: ApplicationFiled: October 29, 2009Publication date: August 25, 2011Applicant: OJI PAPER CO., LTD.Inventors: Jun Sugiura, Atsushi Furujyo, Yaping Chao, Yuko Igarashi, Yuji Iwasaki, Masayuki Ichinomiya, Makoto Sakaino
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Patent number: 8003560Abstract: Disclosed is a heat-sensitive recording material comprising a support and a heat-sensitive recording layer formed on the support, the heat-sensitive recording layer containing dye precursor-containing composite particles and a developer, the dye precursor-containing composite particles being obtained by dissolving a solute containing a dye precursor in a solvent containing a polyvalent isocyanate compound-containing polymerization component, emulsifying and dispersing the obtained solution in an aqueous medium, and then performing a polymerization reaction of the polyvalent isocyanate compound-containing polymerization component in the presence of polyethyleneimine having a molecular weight of 200 to 1,500. Also disclosed is a method of producing such a heat-sensitive recording material.Type: GrantFiled: March 28, 2008Date of Patent: August 23, 2011Assignee: Oji Paper Co., Ltd.Inventors: Masatoshi Fujino, Haruo Omura, Kenji Muto
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Publication number: 20110177942Abstract: The present invention relates to a heat-sensitive recording material comprising one or more heat-sensitive recording layers, an intermediate layer and a protective layer that are formed on one side of a transparent support, and the present inventions provide a heat-sensitive recording material and a process for providing the heat-sensitive recording material, wherein the one or more heat-sensitive recording layers are formed from one or more heat-sensitive recording layer coating compositions that each contain a leuco dye and a developer, the intermediate layer is formed from an intermediate layer coating composition that contains a hydrazine-based compound and an oxazoline group-containing compound, and the protective layer is formed from a protective layer coating composition that contains a modified polyvinyl alcohol.Type: ApplicationFiled: October 2, 2009Publication date: July 21, 2011Applicant: OJI PAPER CO., LTD.Inventors: Toshiro Hada, Yoshihiko Yoneda
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Patent number: 7972991Abstract: Disclosed herein is a heat-sensitive recording material shows good barcode printability and provides printed images having an excellent milk resistance. The heat-sensitive recording material comprises a heat-sensitive recording layer contains 3,3?-diallyl-4,4?-dihydroxydiphenylsulfone and 1,2-di(methylphenoxy)ethane in a specific amount relative to the leuco dye, and contains a crosslinked diphenylsulfone-based compound in an specific ratio based on the total solid in the heat-sensitive recording layer.Type: GrantFiled: February 28, 2008Date of Patent: July 5, 2011Assignee: Oji Paper Co., Ltd.Inventors: Masaharu Nojima, Takashi Takemura
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Patent number: 7956007Abstract: A heat-sensitive recording material comprising a support and a heat-sensitive recording layer, the heat-sensitive recording layer comprising a colorless or pale-colored basic dye and a developer, the developer being 4-allyloxy-4?-hydroxydiphenylsulfone, and the heat-sensitive recording layer further comprising a compound represented by formula (I): wherein R1 is an unsubstituted aromatic group, or an aromatic group substituted with at least one member selected from the group consisting of a methyl group and a chlorine atom, and R2 is a divalent organic group.Type: GrantFiled: January 24, 2006Date of Patent: June 7, 2011Assignee: Oji Paper Co., Ltd.Inventors: Yoshimi Ishibashi, Yukie Mori
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Recording medium for water-based ink and method for determining ink absorbing characteristic thereof
Patent number: 7923081Abstract: A mat type recording medium for ink jet printing is provided which exhibits optimum printability no matter which of dye ink and pigment ink may be used in printing. The recording medium, which is for recording with use of water-based ink containing an ink colorant, comprises a paper base and an ink receptive layer formed on a surface of the paper base, the ink receptive layer comprising a porous layer containing an inorganic pigment and also containing a substance reactive with the ink colorant.Type: GrantFiled: August 30, 2006Date of Patent: April 12, 2011Assignees: Oji Paper Co., Ltd., Canon Kabushiki KaishaInventors: Satoshi Matsuura, Naho Ishida, Kenichi Yamaguchi, Hitoshi Nagashima, Sadayuki Sugama -
Patent number: 7897541Abstract: The present invention provides a heat-sensitive recording material comprising a support and a heat-sensitive recording layer, wherein the heat-sensitive recording layer contains a leuco dye and a color developer, the leuco dye is in a form of composite particles comprising the leuco dye and a hydrophobic resin, and the color developer comprises at least 4,4?-cyclohexylidenediphenol and 4,4?-bis(N-p-tolylsulfonylaminocarbonylamino)diphenylmethane.Type: GrantFiled: December 13, 2005Date of Patent: March 1, 2011Assignee: OJI Paper Co., Ltd.Inventors: Nobuyuki Iwasaki, Hisashi Tani, Masato Kawai, Masaharu Nojima
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Patent number: 7872085Abstract: The present invention relates to a biaxially oriented polypropylene film containing: a polypropylene resin as a main component thereof, having a weight average molecular weight of 100,000 or more and 500,000 or less, the weight average molecular weight being determined by gel permeation chromatography, wherein at least one surface of the biaxially oriented polypropylene film has a protrusion volume of 2.0×104 ?m3 or more and 3.0×104 ?m3 or less, the protrusion volume being determined in an area of 560 ?m×745 ?m using a super-depth surface profile measurement microscope by determining an average plane of the surface based on distances between plural points on the surface and an irradiation source of the super-depth surface profile measurement microscope and measuring a volume of protrusions projecting from the average plane.Type: GrantFiled: October 31, 2007Date of Patent: January 18, 2011Assignee: Oji Paper Co., Ltd.Inventors: Yoshinori Matsuo, Tadakazu Ishiwata, Fumio Jinno
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Patent number: 7846870Abstract: A heat-sensitive recording material comprising a substrate and a heat-sensitive recording layer, the heat-sensitive recording layer containing a leuco dye, a developer, and a copolymer resin emulsion, the copolymer resin emulsion comprising a copolymer resin, the copolymer resin (1) containing (i) (meth)acrylonitrile, and (ii) one or more vinyl monomers copolymerizable with (meth)acrylonitrile, and (2) having a solubility parameter of 12.0 or higher, above mentioned vinyl monomers (ii) include at least a carboxyl group-containing vinyl monomer, and said at least a carboxyl group-containing vinyl monomer is 1 to 10 mass % of the total mass of the copolymer resin.Type: GrantFiled: April 21, 2005Date of Patent: December 7, 2010Assignee: Oji Paper Co., Ltd.Inventors: Kazuo Watanabe, Keiichi Inubushi
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Patent number: 7842019Abstract: In an absorbent product such as a diaper comprising a back sheet, an absorber, and a skin contact sheet, the skin contact sheet is disposed on the absorber as the uppermost layer which comes in contact with the skin of the wearer and has openings which allow the passage of excretions. The absorber and the skin contact sheet are joined only at both ends of the absorbent product in the longitudinal directions.Type: GrantFiled: October 31, 2007Date of Patent: November 30, 2010Assignees: Oji Paper Co., Ltd., Japan Absorbent Technology InstituteInventors: Katsuhiko Sugiyama, Yoshiaki Takamatsu, Rie Kuwabara, Masaru Tsubata, Migaku Suzuki
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Publication number: 20100279034Abstract: The present invention provides a thermal transfer receiving sheet obtained by sequentially forming a hollow particle-containing intermediate layer and an image receiving layer on one surface of a sheet-like support mainly comprising cellulose pulp, wherein the moisture content of the entire thermal transfer receiving sheet is from 2 to 8 mass % and the moisture permeability of the entire receiving sheet is 400 g/m2·day or less; and a production method thereof. The present invention further provides a thermal transfer receiving sheet obtained by sequentially forming a hollow particle-containing intermediate layer and an image receiving layer on one surface of a sheet-like support mainly comprising cellulose pulp and providing a backside layer on another surface of the support, wherein the backside layer mainly comprises an acryl-based resin having a glass transition point (Tg) of 45° C.Type: ApplicationFiled: July 7, 2010Publication date: November 4, 2010Applicant: Oji Paper Co., Ltd.Inventors: Toshikazu Onishi, Toru Nakai, Kazuyuki Tachibana, Kyoko Uchida, Yoshimasa Tanaka, Yoshihiro Shimizu, Hideaki Shinohara, Masato Kawamura, Chikara Tsukada
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Patent number: 7795177Abstract: The present invention provides a thermal transfer receiving sheet obtained by sequentially forming a hollow particle-containing intermediate layer and an image receiving layer on one surface of a sheet-like support mainly comprising cellulose pulp, wherein the moisture content of the entire thermal transfer receiving sheet is from 2 to 8 mass % and the moisture permeability of the entire receiving sheet is 400 g/m2·day or less; and a production method thereof. The present invention further provides a thermal transfer receiving sheet obtained by sequentially forming a hollow particle-containing intermediate layer and an image receiving layer on one surface of a sheet-like support mainly comprising cellulose pulp and providing a backside layer on another surface of the support, wherein the backside layer mainly comprises an acryl-based resin having a glass transition point (Tg) of 45° C.Type: GrantFiled: July 7, 2005Date of Patent: September 14, 2010Assignee: Oji Paper Co., Ltd.Inventors: Toshikazu Onishi, Toru Nakai, Kazuyuki Tachibana, Kyoko Uchida, Yoshimasa Tanaka, Yoshihiro Shimizu, Hideaki Shinohara, Masato Kawamura, Chikara Tsukada
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Patent number: 7785310Abstract: A disposable diaper is provided, including an absorber, a top sheet arranged to cover the top surface of the absorber, a back sheet arranged to cover the bottom surface of the absorber, and a skin-contact sheet arranged over the top sheet. The top sheet is at least partially composed of a liquid-permeable material, the back sheet is composed of a liquid-impermeable material, and the skin-contact sheet is at least partially composed of a breathable waterproof sheet and is provided with a feces-passing opening capable of allowing feces to pass therethrough.Type: GrantFiled: October 10, 2006Date of Patent: August 31, 2010Assignees: Oji Nepia Co., Ltd., Oji Paper Co., Ltd.Inventors: Katsushi Sakano, Katsuhiko Sugiyama, Izumi Tashiro, Tomotsugu Miyoshi
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Thermal transfer receiving sheet, production method thereof and image forming method using the sheet
Patent number: 7745374Abstract: A thermal transfer receiving sheet comprising a sheet-like support having sequentially formed on at least one surface thereof a hollow particle-containing intermediate layer and an image receiving layer, wherein the hollow particles have an average particle diameter of 0.2 to 35 ?m and a hollow percentage by volume of 30 to 97% and the printing smoothness (Rp value) on the surface of the thermal transfer receiving sheet, as measured by using a Microtopograph under an applied pressure of 0.1 MPa 10 m-seconds after the initiation of pressure application, is 1.5 ?m or less. A production method of the thermal transfer receiving sheet is also provided.Type: GrantFiled: August 4, 2004Date of Patent: June 29, 2010Assignee: Oji Paper Co., Ltd.Inventors: Yoshimasa Tanaka, Masato Kawamura, Chikara Tsukada, Kyoko Uchida, Toshikazu Onishi, Toru Nakai, Kazuyuki Tachibana, Hideaki Shinohara -
Patent number: 7736551Abstract: A corrugated pattern forming sheet exhibiting excellent performance when being used as optical elements, such as an antireflector and a retardation plate is provided. A corrugated pattern forming sheet of the invention includes a resin layer, and a hard layer provided at least in a portion of an outer surface of the resin layer. The hard layer is made of a metal or a metallic compound. The hard layer has a wavelike corrugated pattern. The average pitch of the corrugated pattern is 1 ?m or less, and the average depth of the bottom of the corrugated pattern is 10% or more given an average pitch of 100%.Type: GrantFiled: May 8, 2007Date of Patent: June 15, 2010Assignee: Oji Paper Co., Ltd.Inventor: Toshiki Okayasu
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Patent number: 7717894Abstract: A liquid-absorbent sheet containing: a liquid-absorbent surface material mainly containing a pulp; a liquid-absorbent nonwoven fabric; a liquid-absorbent rear material mainly containing a pulp; and a super absorbent polymer; wherein the super absorbent polymer is disposed at least between the liquid-absorbent surface material and the liquid-absorbent nonwoven fabric as an A layer and between the liquid-absorbent nonwoven fabric and the liquid-absorbent rear material as a B layer, the super absorbent polymer being contained in a total amount of 200 to 400 g/m2, which is allocated in the A layer at 30 to 50% by mass, the liquid-absorbent nonwoven fabric layer at 0 to 40% by mass, and the B layer at 30 to 70% by mass, and the content ratio of the super absorbent polymer in the A layer is less than or equal to the content ratio of the super absorbent polymer in the B layer.Type: GrantFiled: October 11, 2006Date of Patent: May 18, 2010Assignees: Oji Paper Co., Ltd., Oji Kinocloth Co., Ltd.Inventors: Hideki Ikeda, Masaki Okada
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Patent number: 7709416Abstract: The present invention provides a heat-sensitive recording material that comprises a support, a heat-sensitive recording layer comprising a leuco dye and a developer, and a protective layer principally comprising a pigment and a binder. The support, the heat-sensitive recording layer, and the protective layer are provided in this order. The protective layer comprises: (1) a pigment of secondary particles with an average particle diameter of 30 to 900 nm formed by aggregation of amorphous silica primary particles with a particle diameter of 3 to 70 nm; or (2) a pigment of secondary particles with an average particle diameter of 30 to 900 nm formed by aggregation of amorphous silica primary particles with a particle diameter of 3 to 70 nm, and a binder comprising acetoacetyl modified polyvinyl alcohol with a saponification degree of 90 to 100 mol % and a polymerization degree of 1900 to 5000.Type: GrantFiled: November 1, 2005Date of Patent: May 4, 2010Assignee: OJI Paper Co., Ltd.Inventors: Takeshi Iida, Takeshi Shikano
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Publication number: 20100087317Abstract: Disclosed is a heat-sensitive recording material comprising a support and a heat-sensitive recording layer formed on the support, the heat-sensitive recording layer containing dye precursor-containing composite particles and a developer, the dye precursor-containing composite particles being obtained by dissolving a solute containing a dye precursor in a solvent containing a polyvalent isocyanate compound-containing polymerization component, emulsifying and dispersing the obtained solution in an aqueous medium, and then performing a polymerization reaction of the polyvalent isocyanate compound-containing polymerization component in the presence of polyethyleneimine having a molecular weight of 200 to 1,500. Also disclosed is a method of producing such a heat-sensitive recording material.Type: ApplicationFiled: March 28, 2008Publication date: April 8, 2010Applicant: OJI PAPER CO., LTD.Inventors: Masatoshi Fujino, Haruo Omura, Kenji Muto