| Patent Number |
Title Of Patent |
Date Issued |
| 6310225 |
Processes for the preparation of steroid derivatives, intermediates therefor and processes for t |
October 30, 2001 |
| Steroid derivatives useful as intermediates for producing vitamin D derivates as well as processes for producing the steroid derivatives are provided. The steroid derivatives include halide compounds represented by the following formulae: ##STR1##wherein X, R.sup.1 and R.sup.2 are as |
| 6310116 |
Molded polymer article having a hydrophilic surface and process for producing the same |
October 30, 2001 |
| A molded polymer article comprises a main molded body having on the surface thereof a hydrophilic polymer layer, the article being obtained by polymerizing both a monomer having a hydrophilic group and coated on the surface of a hydrophilic mold, and a polymerizable composition consistin |
| 6304379 |
Rear projection screen |
October 16, 2001 |
| Moire fringes are effectively solved in rear projection screens including a combination of a Fresnel lens sheet and a lenticular lens sheet both having fine lens pitches. In a rear projection screen including a Fresnel lens sheet having a lens pitch of at most 0.12 mm and a lenticular le |
| 6303199 |
Coating agent for film, laminate and method for producing it |
October 16, 2001 |
| A water-soluble polyvinyl alcohol coating agent for a film contains from 3 to 19 mol % of .alpha.-olefin units, wherein each said .alpha.-olefin unit contains up to 4 carbon atoms. The polyvinyl alcohol coating agent can be coated on a polyolefin, a polyester or a polyamide substrate fil |
| 6303078 |
Antifouling structure having effect of preventing attachment of aquatic organisms thereto |
October 16, 2001 |
| A structure comprises, as the major component, a molded member of a thermoplastic resin composition or a fibrous material which may be a fiber of the thermoplastic resin composition, a yarn coated with the thermoplastic resin composition, a rope coated with the thermoplastic resin co |
| 6294602 |
Resin composition |
September 25, 2001 |
| A resin composition comprising (A) an ethylene-vinyl alcohol copolymer, (B) a polyamide resin, (C) an ethylene-unsaturated carboxylic acid random copolymer or its metal salt, and (D) a thermoplastic resin except the resins noted above, of which the solubility parameter (as calculated fro |
| 6294120 |
Purging agent and purging method |
September 25, 2001 |
| A purging agent which contains an ethylene-vinyl alcohol copolymer and which satisfies the conditions specified by the equations (1) and (2) below:where BT.sub.(120) is weight loss (%) on heating in nitrogen at 120.degree. C. for 24 hours, and BT.sub.(250) is weight loss (%) on heating i |
| 6292295 |
Rear projection screen incorporating a prism |
September 18, 2001 |
| A rear projection screen is used for a projection optical system where projected lights perpendicularly enter the screen from the rear face of the screen includes a Fresnel lens sheet incorporating a prism and a lenticular lens sheet that horizontally disperses lights emitted from the |
| 6288165 |
Resin composition comprising a saponified product of vinyl acetate polymer |
September 11, 2001 |
| A process for producing vinyl acetate polymers comprises, after polymerization of at least one monomer comprising vinyl acetate, adding a conjugated polyene having a boiling point of at least 20.degree. C. Saponified products of the vinyl acetate polymers obtained by this process can |
| 6282034 |
Optical device and Fresnel lens sheet |
August 28, 2001 |
| Provided is an optical device through which the angle of light passing and going out has little wavelength dependency and which is well applicable to Fresnel lenses with little coloration of light passing through it. The optical device has a diffraction grating formed on one surface and |
| 6274242 |
Liquid crystal polymer film, laminate, method of making them and multi-layered parts-mounted cir |
August 14, 2001 |
| A polymer film capable of forming an optically anisotropic melt phase is, after having been laminated on a base material capable of supporting the shape of the film during heat treatment, is heat-treated at a temperature of from the thermal deformation temperature Tdef of the film to a |
| 6265580 |
Method for producing pyridine derivatives |
July 24, 2001 |
| A pyridine alcohol derivative represented by General Formula III ##STR1##(where A represents a divalent organic group which may contain one to three oxygen atoms, nitrogen atoms and/or sulfur atoms, wherein A may form a 5-, 6-, 7-, or 8-membered ring together with two bonded carbon atoms |
| 6262208 |
Ocular lens material and process for producing the same |
July 17, 2001 |
| Ocular lens materials is made from copolymers prepared by polymerizing a monomer mixture containing:(A) an N-vinyllactam;(B) a fluorine-containing unsaturated monomer;(C) a hydrophilic (meth)acrylamide;(D) a crosslinking agent having at least 2 (meth)acryloyloxy groups; and(E) a dicarboxylic aci |
| 6259854 |
Lightguide |
July 10, 2001 |
| A lightguide which guides light from at least one side end plane and includes a plurality of approximately trapezoidal protrusions whose apex edge in the cross section perpendicular to the axis of a linear light source has a partially straight section. The approximately trapezoidal p |
| 6258927 |
Polyamide composition |
July 10, 2001 |
| A polyamide composition, comprising:(A) 100 parts by weight of a polyamide,(B) from 10 to 200 parts by weight of an aromatic ring-containing bromine compound, and(C) from 0.1 to 100 parts by weight of at least one flame-retardant synergist selected from metal salts of stannic acid and alkali |
| 6258464 |
Resin composition and multilayered structure comprising the same |
July 10, 2001 |
| A resin composition comprises a polyolefin (A), a saponified product (B) of an ethylene-vinyl ester copolymer having an ethylene content of from 10 to 70 mole % and a saponification degree of the vinyl ester component of not less than 80%, and an olefin-unsaturated dicarboxylic anhyd |
| 6252128 |
Porous sheet |
June 26, 2001 |
| A porous sheet suitable for use in first-aid sticking plasters, poultices, etc. as the substrate is described. The porous sheet comprises a thermoplastic polymer, and an arbitrary cross section of the porous sheet has a polymer packing of 30 to 90% and contains 2 to 100 polymer sections |
| 6245927 |
Process for the preparation of 2-chloro-5-chloromethyl-1,3-thiazole |
June 12, 2001 |
| According to the present invention, provided are(1) a process for the preparation of 2-chloro-5-chloromethyl-1,3-thiazole, by reacting 3- chloro-1-isothiocyanato-1-propene with a chlorinating agent,(2) a process for the preparation of 3-chloro-1-isocyanato-1-propene, by rearranging 3-chl |
| 6242087 |
Multilayer structure and process for producing the same |
June 5, 2001 |
| Disclosed are a multilayer structure produced through co-extrusion of a multilayer melt that comprises a layer of an ethylene-vinyl alcohol copolymer (EtOH) resin composition containing from 100 to 5000 ppm, in terms of boric acid (H.sub.3 BO.sub.3), of a boron compound, from 100 to |
| 6239295 |
Process for producing 3-methyltetrahydrofuran, and process for producing an intermediate thereof |
May 29, 2001 |
| A process for producing 3-methyltetrahydrofuran, and processes for producing 3-hydroxy-3-methyltetrahydrofuran and 3-methyldihydrofuran, which are intermediates thereof, are provided. |
| 6235063 |
Fiber treating composition |
May 22, 2001 |
| A composition for crosslinking fibers. The composition displays little foaming, is self-emulsifiable and has good emulsion stability. The composition comprises a compound represented by formula (I) below, and a nonionic surfactant, ##STR1##where R.sub.1, R.sub.2, R.sub.3 and R.sub.4 |
| 6232473 |
Process for producing 2-azabicyclo[2.2.1]hept-5-en-3-one |
May 15, 2001 |
| 2-Azabicyclo[2.2.1]hept-5-en-3-one is prepared by a process comprising:continuously mixing a substituted sulfonyl cyanide represented by formula (I):wherein R represents an alkyl group or a phenyl group or a substituted phenyl group, with cyclopentadiene; and then continuously adding the |
| 6229096 |
Nonwoven reinforcement for printed wiring base board and process for producing the same |
May 8, 2001 |
| There are disclosed a nonwoven reinforcement for a printed wiring base board which nonwoven reinforcement contains a wet system nonwoven fabric constituted of thermotropic cystalline polyester fiber having a melting point of 290.degree. C. or higher (component A) and a thermotropic c |
| 6228946 |
Block copolymer and polymer composition comprising the same |
May 8, 2001 |
| A block copolymer comprising, in a main chain thereof, a crystalline polymer block A obtained by hydrogenation of at least 80% of unsaturated bonds of a butadiene-based polymer block having a 1,2-bond content less than 20%, a polymer block B having a glass transition point of 20.degree. |
| 6222057 |
Process for the preparation of 2-chloro-5-chloromethyl-1,3-thiazole |
April 24, 2001 |
| According to the present invention, provided are(1) a process for the preparation of 2-chloro-5-chloromethyl-1,3-thiazole, by reacting 3-chloro-1-isothiocyanato-1-propene with a chlorinating agent,(2) a process for the preparation of 3-chloro-1-isocyanato-1-propene, by rearranging 3-chloro-1 |
| 6221952 |
Aqueous emulsion composition |
April 24, 2001 |
| An aqueous emulsion composition is provided that includes, as the dispersoid, a (co)polymer that contains at least one monomer unit selected from ethylenic unsaturated monomers and dienic monomers, and, as the dispersant, (A) a polyvinyl alcohol (co)polymer, and (B) a condensate of a |
| 6215936 |
Lightguide having trapezoidally-shaped main body with a level surface at an angle to a rear surf |
April 10, 2001 |
| A transparent lightguide (3) which guide light at least from one side end plane is characterized in that a large number of speckled, solid-line shaped or broken-line shaped protruding patterns whose cross-sectional width W (.mu.m) at a cross section perpendicular to the axis of a linear |
| 6200595 |
Medical adhesive |
March 13, 2001 |
| A medical adhesive which comprises a polyion complex film formed from a polycationic substance and a polyanionic substance. This medical adhesive provides a sufficient gel strength for adhesion of tissues, and it is superior in handling properties and safety for the living body. |
| 6197962 |
Method for producing 2-sulfonylpyridine derivatives and method for producing 2-{[(2-pyridyl)meth |
March 6, 2001 |
| 2-Sulfonylpyridine derivatives can be industrially produced efficiently by reacting a sulfonyl cyanide derivative with an .alpha., .beta.-unsaturated carbonyl compound and a 2-{[(2-pyridyl)methyl]thio}-1H-benzimidazole skeleton can be formed in one step in a good yield by reacting this t |
| 6197915 |
Thermoplastic polyurethanes, polyurethane elastic fibers therefrom, and method for producing the |
March 6, 2001 |
| The invention relates to thermoplastic polyurethanes obtainable by reacting a polyol composition (A) which consists essentially of a polyester-polyol (A-1) having a crystallization enthalpy of at most 70 J/g and a number-average molecular weight of from 1000 to 5000 and a polyether-p |
| 6191191 |
Polymerizable dental composition |
February 20, 2001 |
| A polymerizable composition for dental use, containing monomer (a) with a polymerizable olefinic unsaturated group, acylphosphine oxide (b), organic peroxide (c), tertiary amine (d) and aromatic sulfinic acid and/or a salt thereof (e). The polymerizable composition for dental use exerts |
| 6180835 |
Process for the preparation of cyclopropylacetylene derivatives |
January 30, 2001 |
| A cyclopropylacetylene derivative of the formula (V): ##STR1##is prepared by reacting a propynol derivative of the formula (I): ##STR2##with a propane derivative of the formula (VI): ##STR3##in the presence of a base in an amount of 2 or more equivalents relative to the propynol deri |
| 6171527 |
Process for producing resin molded article and mold used in the process |
January 9, 2001 |
| A molded resin article is prepared by introducing a thermoplastic resin having a temperature greater than a transfer starting temperature into the cavity of a mold, which is retained at a temperature less than the transfer starting temperature, and injection-molding the thermoplastic |
| 6168431 |
Method of polymerizing photo-polymerizable composition for dental use and dental light-curing ap |
January 2, 2001 |
| A method of polymerizing a photo-polymerizable dental composition with the use of a light-curing apparatus including a light source (1) for emitting a laser beam and an optical fiber (2) optically coupled with the light source (1) and having a light emitting element (5) opposite to the l |
| 6166117 |
Water-soluble film |
December 26, 2000 |
| A water-soluble film, comprising 100 parts by weight of (A) a sulfonic acid group modified polyvinyl alcohol and 0.05-20 parts by weight of (B) gallic acid, salts thereof or a C.sub.1-5 alkyl ester thereof. |
| 6162864 |
Polyvinyl alcohol |
December 19, 2000 |
| A polyvinyl alcohol is provided containing structural units of the following formula (I) at a molar fraction of 0.05-0.50 and the structural units of the following formula (II) at a molar fraction of 0.0001 to 0.50; ##STR1## wherein R.sup.1, R.sup.2, R.sub.3 and X are as desribed her |
| 6159928 |
Cis-configurational unsaturated ester, process for producing the same, and fragrance composition |
December 12, 2000 |
| The present invention provides a cis-configurational unsaturated ester represented by the formula (1) ##STR1## (where R is a methyl group or a phenyl group, and n is 1 or 2) and also provides a fragrance composition containing the cis-configurational unsaturated ester in an effec |
| 6159581 |
Leather-like sheet |
December 12, 2000 |
| Disclosed herein are a leather-like sheet which comprises a fibrous base material (A), a concealing layer (B), an easily dyeable layer (C) each on the fibrous base material (A) in this order, an image (D) formed on the easily dyeable layer (C) which image has resolution of at least 4 dot |
| 6156869 |
Method for producing polyamides |
December 5, 2000 |
| A method for producing polyamides, and to a method for producing primary polycondensates which are intermediates for polyamide production. More precisely, the invention relates to a method for producing primary polycondensates, which comprises a step of polycondensing a dicarboxylic |
| 6156840 |
Method for producing aqueous emulsion of polyurethane |
December 5, 2000 |
| Provided is a method for producing a polyurethane (PU) emulsion having good solvent resistance and water resistance and having good compatibility with other aqueous emulsions to give stable mixtures with them. The method comprises reacting (A) a PU prepolymer having an isocyanate group i |
| 6153765 |
Process for producing and method of crystallizing 2-azabicyclo(2.2.1)hept-5-en-3-one |
November 28, 2000 |
| A process for producing 2-azabicyclo[2.2.1]hept-5-en-3-one is provided by reacting a sulfonyl cyanide represented by the general formula R--SO.sub.2 CN (in which R represents an alkyl group or a phenyl group which may have a substituent), in the presence of water and in a hydrocarbon sol |
| 6143826 |
Polymer blend |
November 7, 2000 |
| A polymer blend comprising:(A) an acrylic resin;(B) a block copolymer consisting essentially of a polymer block of a polymerized aromatic vinyl compound and/or a polymer block of a polymerized methacrylate monoester and a polyolefin polymer block; and(C) a polymer miscible with the acrylic r |
| 6140418 |
Thermoplastic polymer composition |
October 31, 2000 |
| Described are a thermoplastic polymer composition comprising (A) a block copolymer formed of a polymer block composed mainly of an aromatic vinyl compound and another polymer block composed mainly of isobutylene; and (B) a crosslinked rubber of at least one rubber selected from natural r |
| 6139963 |
Polyvinyl alcohol hydrogel and process for producing the same |
October 31, 2000 |
| A polyvinyl alcohol hydrogel has a surface layer comprising a net-like structure formed by entanglement of fiber-like articles having a diameter of 0.1 to 50 .mu.m. This gel has a large surface area and high capability of adhering microorganisms and permeating liquid, thereby exhibiting |
| 6133471 |
Process for producing chromans |
October 17, 2000 |
| A process for producing chromans, comprising reacting a phenol, a formaldehyde and an alcohol in the presence of a secondary amine and an acid, to generate an alkoxymethylphenol compound with the ortho position to the phenolic hydroxyl group substituted with an alkoxymethyl group, and |
| 6133343 |
Resinous composition for dental use |
October 17, 2000 |
| A cured product of a resinous composition for dental use is neither stained nor discolored while used in the mouth for long periods of time. In addition, the cured product of the composition is not discolored with hot water, and its impact strength is high. The composition is easy to han |
| 6130341 |
Process for producing chromans |
October 10, 2000 |
| A process for producing chromans, comprising reacting a phenol, a formaldehyde and an alcohol in the presence of a secondary amine and an acid, to generate an alkoxymethylphenol compound with the ortho position to the phenolic hydroxyl group substituted with an alkoxymethyl group, and |
| 6127539 |
Cyclopentenecarboxamide derivative, method for preparing the same and bicycloamide derivative us |
October 3, 2000 |
| 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. |
| 6127027 |
Fabric for plant life |
October 3, 2000 |
| A fabric for plant life contains fibrous material which contains not less than 5% by weight of an organic polymer fiber having a fineness of not less than 30 deniers, a moisture-absorbent polymer; and a binder polymer, the moisture-absorbent polymer and the binder polymer being adhered t |
| 6124969 |
Rear projection type image display device |
September 26, 2000 |
| A rear projection type image display device includes a single projection lens, a Fresnel lens sheet, and a lenticular lens sheet 4 having black stripes in an area where when the light entered through the Fresnel lens sheet is transmitted, the outgoing light does not pass. When the angle |
