| Patent Number |
Title Of Patent |
Date Issued |
| 6699581 |
Biodegradable fibers and fabrics, and method for controlling their biodegradability |
March 2, 2004 |
| Biodegradable fibers of polylactic acid having a number-average molecular weight of from 50,000 to 150,000, have an interior portion having a higher alkali solubility than the exterior portion of the fiber. The fibers also have from 5 to 50 cracks/10 cm. The physical properties of these |
| 6699418 |
Method for producing biaxially stretched film made of ethylene-vinyl alcohol copolymer |
March 2, 2004 |
| A method for producing a biaxially stretched film is provided, in which the method comprises, stretching a film made mainly of an ethylene-vinyl alcohol copolymer having an ethylene content of 15 to 70 mol % and a saponification degree of 80 mol % or more under heating; cooling the film; |
| 6696609 |
Process for producing diamines |
February 24, 2004 |
| A process for producing diamines which comprises the steps of: (1) reacting a dialdehyde with ammonia and hydrogen in the presence of an alcohol and a hydrogenation catalyst to synthesize the corresponding diamine; (2) separating and recovering the alcohol by distilling the reaction mixt |
| 6686405 |
Process for producing ethylene-vinyl alcohol copolymer resin, process for producing pellets and |
February 3, 2004 |
| A process for producing an ethylene-vinyl alcohol copolymer resin, including feeding EVOH into an extruder, keeping the temperature of the melting resin in the extruder at 70 to 170.degree. C., adjusting the amount of water in the extruder so that the water content right after being |
| 6686011 |
Coinjection stretch-blow molded container |
February 3, 2004 |
| Multi-layered, coinjection stretch-blow molded containers are obtained by stretch-blow molding a preform prepared by coinjection molding a polyester resin and an EVOH resin blend in which one of the EVOH resins is dispersed as particles in an EVOH resin matrix. Containers prepared with t |
| 6683148 |
Method for producing ethylene-vinyl acetate copolymer and saponified product thereof |
January 27, 2004 |
| The present invention provides methods for producing an ethylene-vinyl acetate copolymer and a saponified product thereof, in which defective appearances at the time of molding (e.g. fish eye or coloring) can be inhibited while using a recovered solvent. In the present invention, a r |
| 6677464 |
Process for preparation of 7-oxabicyclo[2.2.1]hept-5-ene-2-carboxylic acid derivatives |
January 13, 2004 |
| The present invention provides a method of industrially advantageously producing 7-oxabicyclo[2.2.1]hept-5-ene-2-carboxylic acid derivatives under mild conditions in a high yield. The present invention relates to a production method of a 7-oxabicyclo[2.2.1]hept-5-ene-2-carboxylic acid |
| 6677017 |
Coinjection stretch blow molded container |
January 13, 2004 |
| Coinjection stretch blow molded containers containing thermoplastic polyester resin and an EVOH resin are obtained, which have greatly improved impact delamination resistance. The containers comprise a thermoplastic polyester layer (layer a) and an ethylene-vinyl alcohol copolymer la |
| 6667083 |
Multilayer injection blow molded container |
December 23, 2003 |
| A multilayer injection blow molded container of this invention, containing a layer of a specific ethylene-vinyl alcohol copolymer (A) and a layer of a resin composition (B) comprising a thermoplastic resin (b1) having a specific functional group and polypropylene (b2), is disclosed, havi |
| 6664300 |
Process for producing carotenoid emulsion |
December 16, 2003 |
| A process for producing a carotenoid emulsion which comprises heating a suspension of the carotenoid in a high boiling organic liquid, by passing the suspension through a conduit of 0.1 to 50 mm inside diameter heated to a temperature in the range of 120 to 700.degree. C. for a residence |
| 6653400 |
Method for producing saponified ethylene-vinyl acetate copolymer |
November 25, 2003 |
| This invention provides a method for producing a saponified ethylene-vinyl acetate copolymer in which visible imperfections (particularly fish eyes) of the saponified copolymer is inhibited. In this invention, a mixture solution is prepared by adding water to a methanol solution after |
| 6649328 |
Method for manufacture of molding die for Fresnel lens sheet |
November 18, 2003 |
| A method for the manufacture of a Fresnel lens sheet is disclosed. The Fresnel lens sheet have arranged thereon a multiplicity of sawtooth-like Fresnel lenses composed of a Fresnel lens surface demonstrating a convex lens function and a rise surface located between the adjacent Fresnel l |
| 6641619 |
Oil tone artificial leather sheet |
November 4, 2003 |
| An oil tone artificial leather sheet having a blend of an oily substance of viscosity 50-10,000 mPa.multidot.s at 30.degree. C. and a supporting polymer on part or all of a nap surface of a napped sheet comprising a non-woven fabric of microfine fibers and polyurethane existing in the |
| 6635772 |
Method for producing chroman-carboxylic acid |
October 21, 2003 |
| A method for producing a chroman-carboxylic acid is provided, which method includes reacting a dialkylphenol compound, a formaldehyde and an alcohol in the presence of a secondary amine and an acid to give an alkoxymethylated phenol compound (Step 1); reacting the obtained alkoxymeth |
| 6635709 |
Dispersion stabilizer for suspension polymerization of vinyl compound |
October 21, 2003 |
| A dispersion stabilizer for suspension polymerization of a vinyl compound containing a vinyl alcohol polymer (A) having a content of an ethylene unit of 0.5 to 10 mol %, a degree of saponification of 60 mol % or more and a degree of polymerization of 600 or more and a vinyl alcohol polym |
| 6635204 |
Process of making hollow fibers and treating fibers |
October 21, 2003 |
| The present invention provides a hollow fiber, which includes: at least one thermoplastic polymer with an equilibrium water content of 2% or less; wherein the number of hollow portions (.alpha..sub.1) and a hollow ratio (.alpha..sub.2) in said fiber satisfy the following equations:Othe |
| 6632878 |
Production process for polymers with hydroxyl groups and polymers obtained by the process |
October 14, 2003 |
| A hydroxyl group containing polymer is prepared by a process, comprising: contacting the polymer having a substituent with high temperature, high pressure water, thereby converting the substituent to hydroxyl groups. |
| 6630554 |
Process for polymerizing a methacrylic ester or an acrylic ester |
October 7, 2003 |
| (1) A methacrylic ester or an acrylic ester is anionically polymerized, using a polymerization initiator compound comprising an addition reaction product of a conjugated diene compound and an organic alkali metal compound, in the presence of a tertiary organoaluminum compound having in |
| 6624933 |
Front faceplate used in rear projection type screen, front-faceplate-equipped lenticular lens sh |
September 23, 2003 |
| A front faceplate used in a rear projection type screen is disclosed. The front faceplate have a diffusing layer in a region prescribed distances away from each of a light-entering surface and a light-exiting surface of the front faceplate. The light-entering surface of the front facepla |
| 6624331 |
Process for the preparation of benzyloxyacetaldehyde |
September 23, 2003 |
| A process for producing benzyloxyacetaldehyde which comprises oxidizing 2-benzyloxyethanol with hypochlorous acid in the presence of a nitroxy radical having the general formula (I) ##STR1##wherein R represents a hydrogen atom, an acyloxy group, an alkoxyl group or an aralkyloxy grou |
| 6618196 |
Rear-projection type screen |
September 9, 2003 |
| To provide a rear-projection type screen in which, without the need for a tape-attachment operation on the outer circumferential part of the lens sheets, the top of the Fresnel lens can be prevented from being pared by the abrasion caused by the vibration during transportation. A rea |
| 6616796 |
Metal laminate for a circuit board |
September 9, 2003 |
| A method of producing a metal laminate for a circuit board includes a first step of press-bonding a thermotropic liquid crystal polymer film 1 having a segment orientation ratio SOR within a range not smaller than 0.90 and smaller than 1.15 along the longitudinal direction of the film, t |
| 6613833 |
Method for producing aqueous ethylene-vinyl alcohol copolymer composition |
September 2, 2003 |
| A method for producing an aqueous ethylene-vinyl alcohol copolymer (EVOH) composition that ensures efficient removal of alcohol not worsening the environment in and around working areas, and which provides EVOH pellets of the aqueous composition, which can be produced stably and can be w |
| 6610774 |
Aqueous dispersion |
August 26, 2003 |
| The invention provides an aqueous dispersion which includes i) an aqueous dispersion (I) resulting from dispersion of a block copolymer (I) composed of at least one polymer block (A) containing olefin monomer units and at least one polymer block (B) containing 2 to 100 mole percent of un |
| 6610372 |
Method of curing a mixture comprising an ionizing radiation curing resin, and surface modifying |
August 26, 2003 |
| This invention aims to make it possible to obtain curing surfaces with different surface free energies, and to provide a method of curing an ionizing radiation curing resin composition which can be used as a coating material. Further, it aims to provide a surface modification method whic |
| 6609528 |
Method for producing saponified ethylene-vinyl acetate copolymer |
August 26, 2003 |
| A method for producing a saponified ethylene-vinyl acetate copolymer, which comprises washing chips of a saponified ethylene-vinyl acetate copolymer. In this method, the chips containing impurities and methanol are introduced into a washing column through an upper portion thereof; water |
| 6608121 |
Water-soluble resin composition and water-soluble film |
August 19, 2003 |
| A water-soluble resin composition is provided which comprises (i) 100 parts by weight of a polyvinyl alcohol polymer having a 1,2-glycol linkage content of at least 1.8 mole percent and a degree of hydrolysis of at least 90 mole percent, (ii) 1 to 50 parts by weight of a plasticizer and |
| 6599598 |
Oxygen absorptive resin composition |
July 29, 2003 |
| The oxygen resin composition of the present invention includes: a thermoplastic resin (a) having carbon-carbon double bonds; a gas barrier resin (b) having an oxygen transmission rate of 500 ml.multidot.20 .mu.m/m.sup.2.multidot.day.multidot.atm or less (20.degree. C. 65% RH); and a |
| 6596807 |
Process for producing vinyl alcohol polymer compositions |
July 22, 2003 |
| A vinyl alcohol polymer composition (II) is produced by a process of providing a reaction liquid comprising a solution containing a vinyl carboxylate polymer and, a first metal alkoxide (I) having at least one functional group and/or an oligomer (I) having at least one functional gro |
| 6589904 |
Activated carbon and method for producing it |
July 8, 2003 |
| The present invention provides an activated carbon produced by a process, which includes: activating a carbonaceous material, to obtain an activated carbonaceous material; and contacting the activated carbonaceous material with an acid.Another embodiment of the present invention provid |
| 6563637 |
Lenticular lens sheet, rear projection type screen, and method of manufacturing lenticular lens |
May 13, 2003 |
| A lenticular lens sheet that is bonded to a front faceplate and used in a rear projection type screen is disclosed. The lenticular lens sheet has a plurality of lenticular lenses arranged on one surface of a light-transmitting substrate, and projecting non-convergence parts arranged |
| 6559241 |
Process for producing a hydrogenated polymer |
May 6, 2003 |
| A hydrogenated polymer is prepared by a method comprising: hydrogenating a polymer having carbon--carbon double bonds and a hydroxy group and/or a functional group which is convertible into a hydroxy group or into a hydroxymethyl group in the presence of a catalyst of palladium on a b |
| 6558688 |
Ocular tissue regeneration inducer |
May 6, 2003 |
| The invention relates to an ocular tissue regeneration inducer which comprises, as an active ingredient, a hydrophilic polymer mainly composed of alkylene glycol units or vinyl monomeric units having a nondissociating hydrophilic group. The composition can induce the regeneration of ocul |
| 6555637 |
Anionic polymerization process, and process for producing a polymer by the anionic polymerizatio |
April 29, 2003 |
| In anionic polymerization using an anionic polymerization initiator, a tertiary organoaluminum compound (A) having in the molecule thereof a chemical structure represented by a general formula: Al--O--Ar wherein Ar represents an aromatic ring, and at least one Lewis base (B) selected fro |
| 6552848 |
Rear projection type screen and method of manufacturing same |
April 22, 2003 |
| A rear projection type screen is provided with a Fresnel lens and a lenticular lens, for use with a light valve having pixels. The rear projection type screen has such lens pitches that the secondary moire pitch PMM indicated by the following equation is 3 mm or less, taking the lens |
| 6552123 |
Thermoplastic polyvinyl alcohol fibers and method for producing them |
April 22, 2003 |
| Provided are melt-spun fibers comprising, as at least one component, a water-soluble polyvinyl alcohol, and a method for producing fibrous structures comprising the fibers. The thermoplastic polyvinyl alcohol fibers comprise, as at least one component, a water-soluble polyvinyl alcoh |
| 6541575 |
Process for producing an epoxidized polymer |
April 1, 2003 |
| According to the present invention, provided is an industrially advantageous process for producing an epoxidized polymer, with safety and efficiency, wherein the epoxidation of a polymer having an olefinic carbon-carbon double bond is effected under the presence of substantially no a |
| 6538064 |
Method for producing ethylene-vinyl alcohol copolymer resin composition |
March 25, 2003 |
| In the present invention, particles of an ethylene-vinyl alcohol copolymer (EVOH) are contacted with a solution containing a boron compound, whereby to obtain a substantially homogeneous distribution of the boron compound within the particles. For example, EVOH and the solution are conti |
| 6537660 |
Light-weight fiber excellent in dyeability |
March 25, 2003 |
| The present invention relates to a fiber, which includes: 2 to 95% by weight, based on the total weight of the fiber, of at least one block copolymer, which includes: at least one polymer block (A) that includes 50 to 100% by weight of olefinic monomer units, based on the total weight |
| 6514409 |
Hollow fiber membrane made of an ethylene-vinyl alcohol polymer |
February 4, 2003 |
| A hollow fiber membrane made of an ethylene-vinyl alcohol polymer, comprises a dense layer existing in the inner surface and a porous layer existing in the layer other than the dense layer, wherein the hollow fiber membrane has a porosity of 60 to 90%, an overall mass transfer coefficien |
| 6512068 |
Adhesive composition and method for producing it |
January 28, 2003 |
| Provided are a substantially transparent adhesive composition for hard tissue, and a method for producing it; the adhesive composition exhibits good adhesiveness to hard tissue, especially to both enamel and dentin, and has the advantage of improved bonding durability especially in water |
| 6508897 |
Porous fibrous structure and process for producing the same |
January 21, 2003 |
| A novel porous fibrous structure containing from 10 to 100% by weight of wet heat bonding fibers, having cellular cavities in the fibrous structure of the fibers, in which a plurality of indefinite cellular cavities are present independently or in a state of partially connected in the in |
| 6503588 |
Multilayered structure |
January 7, 2003 |
| The present invention provides a multilayered structure where an A layer made of an ethylene-vinyl alcohol copolymer resin (A) and a C layer made of a polypropylene resin (C) are laminated via a B layer made of an adhesive resin (B). The ethylene content of the ethylene-vinyl alcohol |
| 6500978 |
Process for producing cyclopropanecarbonitrile |
December 31, 2002 |
| A process for producing cyclopropanecarbonitrile involves reacting cyclopropanecarbaldoxime with acetic anhydride to obtain a mixture containing acetic acid and cyclopropanecarbonitrile. The acetic acid can be removed from the mixture through azeotropic distillation of acetic acid wi |
| 6500902 |
Fitting composition, body-worn tool produced using the same, and method for producing the same |
December 31, 2002 |
| A fitting composition capable of fitting a body-worn tool to be used in contact with skin, such as spectacles, a hearing aid, and an artificial limb, suitably to the body shape of individual wearer and thereby realizing the function of the body-worn tool in a steady state, as well as |
| 6500776 |
Blanket substrate and blanket |
December 31, 2002 |
| A blanket substrate comprising spun yarn of polyvinyl alcohol based fibers, in which the fibers have primary ridged streaks which are formed on their surfaces in the direction of the fiber axis with finer secondary ridged steaks formed in the primary ridged streaks, the fibers having a |
| 6495623 |
Aqueous emulsion and dispersant for suspension polymerization of vinyl compounds |
December 17, 2002 |
| A polyvinyl alcohol having at least 1.9 mol % of 1,2-glycol bonds is used as a dispersant for emulsion polymerization or a dispersant for suspension polymerization, and this ensures good polymerization stability even when its amount used is reduced. The aqueous emulsion comprising the po |
| 6486285 |
Water-swellable polymer gel and process for preparing the same |
November 26, 2002 |
| A water-swellable polymer gel prepared by reacting an ester of a carboxyl group-containing polysaccharide with a compound having at least two .alpha.-amino groups, which is derived from a natural amino acid, and a foamed article thereof. The water-swellable polymer gel can be used in the |
| 6485842 |
Resin composition comprising ethylene-vinyl alcohol copolymer with good interlayer adhesiveness |
November 26, 2002 |
| Disclosed are a resin composition comprising an ethylene-vinyl alcohol copolymer and a multi-layered structure comprising the resin composition. The resin composition comprises an ethylene-vinyl alcohol copolymer which contains from 500 to 2000 ppm, in terms of the metal, of an alkali me |
| 6482957 |
Cyclopentenecarboxamide derivative, method for preparing the same and bicycloamide derivative us |
November 19, 2002 |
| A cyclopentenecarboxamide derivative represented by the formula (I): ##STR1##and a method for preparing the cyclopentencarboxamide derivative. A bicycloamide derivative represented by the formula (II): ##STR2##and a method for preparing the bicycloamide derivative. |
