| Patent Number |
Title Of Patent |
Date Issued |
| 6916939 |
Process for the preparation of cyclic esters and method for purification of the same |
July 12, 2005 |
| The present invention provides a process for production of a cyclic ester by depolymerization of an aliphatic polyester. In the process, a mixture containing the aliphatic polyester and a specific polyalkylene glycol ether, which has a boiling point of 230-450.degree. C. and a molecular |
| 6891048 |
Glycolide production process, and glycolic acid composition |
May 10, 2005 |
| The invention provides a process for producing glycolide by depolymerization by heating of a glycolic acid oligomer in the presence or absence of a solvent, which process ensures stable depolymerization. The depolymerization reaction is carried out while the content of alkaline metal |
| 6846436 |
Semiconductive polyvinylidene fluoride resin composition |
January 25, 2005 |
| A semiconductive polyvinylidene fluoride resin composition comprising 100 parts by weight of a polyvinylidene fluoride resin, 0.03 to 10 parts by weight of at least one tetraalkylammonium salt selected from the group consisting of tetraalkylammonium sulfates and tetraalkylammonium sulfit |
| 6762229 |
Polyarylene sulfide resin composition |
July 13, 2004 |
| A poly(arylene sulfide) resin composition comprising a poly(arylene sulfide) and, as a modifier, an organic amide compound compounded in a proportion of 0.2 to 10 parts by weight per 100 parts by weight of the poly(arylene sulfide). |
| 6693204 |
Method for purification of cyclic ester |
February 17, 2004 |
| A method of refining a crystal of a crude cyclic ester comprises the steps of supplying the crude cyclic ester to a vertically extending cylindrical refiner (1) from an inlet (3) provided at a lower part of the refiner (1), agitating the crude cyclic ester by an agitator provided in the |
| 6686048 |
Composite carbonaceous heat insulator |
February 3, 2004 |
| A composite carbonaceous heat insulator which comprises a carbonaceous heat-insulating member having a bulk density of 0.1 to 0.4 g/cm.sup.3, a carbonaceous protecting layer having a bulk density of 0.3 to 2.0 g/cm.sup.3 and comprising a carbon fiber structure and a thermally decompo |
| 6673403 |
Gas-barrier, multi-layer hollow container |
January 6, 2004 |
| The invention relates a gas barrier multi-layer hollow container having a multi-layer wall structure that a thermoplastic resin layer is laminated on at least one side of a layer formed from polyglycolic acid containing at least 60 wt. % of a repeating unit represented by the following f |
| 6641878 |
Optical pickup device holding container |
November 4, 2003 |
| An optical pickup device-holding container, which is formed from a resin composition comprising a poly(arylene sulfide) (A) and an inorganic filler (B) and having a thermal conductivity of at least 1 W/mK; and an optical pickup device in which at least a light source, an objective lens a |
| 6610853 |
N-(phenylsulfonyl)picolinamide derivatives, process for producing the same, and herbicide |
August 26, 2003 |
| A herbicide containing as the active ingredient an N-(henylsulfonyl)picolinamide derivative represented by general formula (I) wherein X reprcsents a halogeno, a C.sub.1-4 alkyl, a C.sub.1-4 haloalkyl, a C.sub.1-4 alkoxy, a C.sub.1-4 haloalkoxy, a (C.sub.1-4 alkoxy)carbonyl, a [di(C. |
| 6610766 |
Polyvinylidene fluoride resin composition |
August 26, 2003 |
| The invention relates to polyvinylidene fluoride resin compositions comprising 100 parts by weight of a polyvinylidene fluoride resin, and 0.03 to 10 parts by weight of at least one compound selected from the group consisting of alkyl quaternary ammonium sulfates and alkyl quaternary |
| 6545081 |
Synthetic resin composition |
April 8, 2003 |
| A moderately conductive synthetic resin composition comprising a synthetic resin (A), a carbon precursor (B) and at least one conductive filler (C) selected from the group consisting of a non-fibrous conductive filler and a metallic fibrous material, both, having a volume resistivity low |
| 6545075 |
Thermoplastic resin composition |
April 8, 2003 |
| A thermoplastic resin composition improved in compatibility, molding or forming ability, melt-flow properties and mechanical properties, which comprises 100 parts by weight of a resin component containing 40 to 99 wt. % of a poly(arylene sulfide) (A) and 1 to 60 wt. % of polyamide-imide |
| 6469606 |
Coil component |
October 22, 2002 |
| A coil part which is obtained by sealing at least part of the periphery of a coil with a conductor wound on a bobbin with a high heat-conductive and magnetism-impermeable resin composition, and can efficiently guide out a magnetic flux generated to the outside and efficiently radiate hea |
| 6432516 |
Moistureproofing film and electroluminescent device |
August 13, 2002 |
| A moistureproof film composed of a transparent multi-layer film having a layer structure that thin metal or nonmetal oxide layers (C) are respectively arranged directly or through an adhesive layer (B) on both sides of a hygroscopic resin layer (A), and having a water vapor transmiss |
| 6416832 |
Packaging film or sheet |
July 9, 2002 |
| The invention provides a single-layer or multi-layer packaging film or sheet having at least one layer formed of a polyamide resin composition, wherein the layer formed of the polyamide resin composition is a layer (A) formed of a polyamide resin composition comprising a copolymer nylon |
| 6342557 |
Resin composition and molded or formed product |
January 29, 2002 |
| A resin composition comprising a synthetic resin and a powdered magnetic material, wherein (1) the powdered magnetic material is soft ferrite powder having a rate of permeability change by temperature ranging from -0.040 to 0.010%/.degree. C. in a temperature range of from 20.degree. C. |
| 6342282 |
Heat-shrinkable multi-layer film |
January 29, 2002 |
| The invention provides a heat-shrinkable multi-layer film comprising at least a thermoplastic resin layer as the outermost layer (A), a gas barrier resin layer as a core layer (B) and a sealing resin layer as the innermost layer (C), and optionally an adhesive layer between the indiv |
| 6338900 |
Soft magnetic composite material |
January 15, 2002 |
| A soft magnetic composite material obtained by dispersing a powdered magnetic material (A) composed of soft ferrite in a polymer (B), wherein the powdered magnetic material (A) is a powdered magnetic material of a random form obtained by grinding a sintered magnetic material, and the |
| 6271426 |
Process for the production of 2,6-dichloro-3,5-di(secondary or tertiary alkyl)toluene |
August 7, 2001 |
| This invention relates to an improved process for producing 2,6-dichloro-3,5-di(secondary or tertiary alkyl)toluene represented by the following formula (I). The process comprises chlorinating 3,5-di(secondary and tertiary alkyl)toluene represented by the following formula (II) by re |
| 6245437 |
Gas-barrier composite film |
June 12, 2001 |
| A composite gas barrier film having a layer structure comprises a thermoplastic resin film laminated on at least one side of a film formed from polyglycolic acid containing at least 60 wt. % of a repeating unit represented by the following formula (1): ##STR1##wherein the polyglycoli |
| 6238775 |
Transfer material-carrying member |
May 29, 2001 |
| The invention relates to a transfer material-carrying member formed from a resin composition comprising at least two resins selected from the group consisting of (A) a polyester resin containing a predominant repeating unit composed of ethylene terephthalate and having a reduced viscosit |
| 6183679 |
Production process for injection-molded product of polyglycolic acid |
February 6, 2001 |
| The invention provides an injection-molded product of polyglycolic acid obtainable by molding a thermoplastic resin material at an injection temperature ranging from the melting point, Tm of the polymer to 255.degree. C., wherein the thermoplastic resin material comprises polyglycoli |
| 6159416 |
Stretch blow molded container and production process thereof |
December 12, 2000 |
| The invention provides a stretch blow molded container formed from a thermoplastic resin material which comprises polyglycolic acid having(a) a repeating unit represented by the following formula (1): ##STR1## (b) a melt viscosity, .eta.* [as measured at a temperature of (the melting |
| 6130279 |
Resin composition |
October 10, 2000 |
| A resin composition comprising a poly(phenylene sulfide) resin and .alpha.-alumina, wherein the composition comprises (A) 15 to 45 wt. % of a poly(phenylene sulfide) resin having a melt viscosity of 5 to 100 Pa.multidot.s as measured at 310.degree. C. and a shear rate of 1200/sec, an |
| 6083535 |
Effervescent granular preparation for keeping cut flower freshness |
July 4, 2000 |
| An effervescent granular preparation for keeping cut flower freshness includes an azole-substituted cyclopentanol derivative represented by formula (I) (set forth below) and 2-bromo-2-nitro-1, 3-propanediol as effective components and to a process for producing the same. The efferves |
| 6046251 |
Injection-molded product of polyglycolic acid and production process thereof |
April 4, 2000 |
| An injection-molded product is obtained by injection molding a thermoplastic resin material. The thermoplastic resin material comprises a polyglycolic acid homopolymer or copolymer having a repeating unit represented by the following formula (1): ##STR1## in a proportion not lowe |
| 6001439 |
Stretch blow molded container and production process thereof |
December 14, 1999 |
| The invention provides a stretch blow molded container formed from a thermoplastic resin material which comprises polyglycolic acid having(a) a repeating unit represented by the following formula (1): ##STR1## (b) a melt viscosity, .eta.* [as measured at a temperature of (the melting |
| 5908917 |
Polyglycolic acid sheet and production process thereof |
June 1, 1999 |
| The invention provides a polyglycolic acid sheet obtainable by melt-extruding a thermoplastic resin material into a sheet in a temperature range of from the melting point, Tm of the polymer to 255.degree. C., wherein the thermoplastic resin material comprises polyglycolic acid having |
| 5897960 |
Laminate and production process thereof |
April 27, 1999 |
| A laminate having a laminated structure of at least two layers includes a gas barrier film (A) formed from a mixture containing at least one poly(meth)acrylic acid polymer selected from the group consisting of poly(meth)acrylic acid and partially neutralized products thereof and a sa |
| 5853639 |
Oriented polyglycolic acid film and production process thereof |
December 29, 1998 |
| The invention provides an oriented polyglycolic acid film formed from a thermoplastic resin material which comprises polyglycolic acid having a repeating unit represented by the following formula (1): ##STR1## and the following physical properties: (a) the melt viscosity, .rho.* [as |
| 5840830 |
Process for producing poly(arylene sulfide) |
November 24, 1998 |
| The invention provides a process for producing a poly(arylene sulfide) comprising a dehydration step of heating and dehydrating a mixture containing an organic amide solvent (a), an alkali metal sulfide and water to control a water content in the mixture and a subsequent polymerization |
| 5744576 |
Process for producing poly(phenylene sulfide) |
April 28, 1998 |
| In a process for producing poly(phenylene sulfide), in which an alkali metal sulfide is reacted with a dihalo-aromatic compound in an organic amide solvent, the reaction is conducted through the following Steps 1 and 2, thereby efficiently providing granular, high-molecular weight po |
| 5709951 |
Composite deposited film and production process thereof |
January 20, 1998 |
| A composite deposited film including (A) a polymeric film substrate; (B) a deposit of an inorganic material formed on at least one side of the polymeric film substrate (A); and (C) a water-resistant film laminated on the deposit (B) and formed from a mixture containing a polycarboxylic a |
| 5688586 |
Poly(ethylene oxalate), product formed of molded therefrom and production process of poly(ethyle |
November 18, 1997 |
| The invention provides poly(ethylene oxalate) containing recurring units represented by the following formula (1): ##STR1## in a proportion of at least 60 basal mol %, wherein (a) the solution viscosity (.eta..sub.inh) is at least 0.25 dl/g as measured at 30.degree. C. and a poly |
| 5683964 |
N-(substituted amino)imide derivatives, preparation process thereof, and herbicidal composition |
November 4, 1997 |
| An N-(substituted amino)imide derivative represented by the formula (I) is a novel compound which can be utilized as an effective ingredient of herbicidal compositions. ##STR1## wherein, R.sup.1 is hydrogen atom, C.sub.1 -C.sub.4 alkyl group, C.sub.7 -C.sub.9 aralkyl group, C.sub |
| 5650459 |
Poly (arylene sulfide) resin composition |
July 22, 1997 |
| A poly(arylene sulfide) resin composition comprising in admixture a poly(arylene sulfide) resin and at least one nickel compound selected from the group consisting of (a) nickel carbonates, (b) nickel hydroxide, (c) organic carboxylates of nickel and (d) nickel oxide is provided. Accordi |
| 5621026 |
Gas barrier film and production process thereof |
April 15, 1997 |
| Disclosed herein is a gas barrier film formed from a mixture containing (A) at least one poly(meth)acrylic acid polymer selected from the group consisting of poly(meth)acrylic acid and partially neutralized products of poly(meth)acrylic acid and (B) a saccharide in a weight ratio of 95:5 |
| 5612287 |
N-(substituted amino) pyrrole derivatives preparation process thereof, and herbicidal compositio |
March 18, 1997 |
| This invention is to provide an N-(substituted amino)pyrrole derivative represented by the formula (I): which is used as an effective ingredient of herbicidal compositions: ##STR1## wherein R.sup.2, R.sup.3, R.sup.4 and R.sup.5 is independently hydrogen atom halogen atom, C.sub.1 |
| 5605987 |
Production process of alkylene thioether-arylene thioether copolymer |
February 25, 1997 |
| Disclosed herein is a process for the production of an alkylene thioether-arylene thioether copolymer, which comprises copolymerizably reacting a compound having at least one alkali thiolate group and obtained by causing an alkali metal sulfide to act on a poly(arylene thioether) in |
| 5604178 |
N-(substituted amino)pyrrole derivatives, and herbicidal compositions |
February 18, 1997 |
| This invention is to provide an N-(substituted amino)pyrrole derivative represented by the formula (I): which is used as an effective ingredient of herbicidal compositions: ##STR1## wherein R.sup.2, R.sup.3, R.sup.4 and R.sup.5 is independently hydrogen atom, halogen atom, C.sub. |
| 5580542 |
Method of testing for nephritis |
December 3, 1996 |
| Disclosed is an acetyltransferase activity measuring agent which contains an arylamine derivative. As the arylamine derivative, sodium p-aminohippurate can be used preferably. Use of the acetyltransferase activity measuring agent of this invention permits a simple and safe diagnosis |
| 5574096 |
Gas barrier film and production process thereof |
November 12, 1996 |
| Disclosed herein is a gas barrier film formed from a mixture containing polyvinyl alcohol and a partially neutralized product of poly(meth)acrylic acid in a weight ratio of 95:5 to 10:90, and having an oxygen permeability constant of 1.25.times.10.sup.-3 ml(STP).multidot.cm/m.sup.2 . |
| 5560988 |
Gas barrier laminate and production process thereof |
October 1, 1996 |
| A gas barrier laminate having a laminated structure of at least two layers includes a gas barrier film (A) formed from a mixture containing polyvinyl alcohol and poly(meth)acrylic acid or a partially neutralized product thereof in a weight ratio ranging from 95:5 to 10:90, and having an |
| 5554723 |
Process for production of poly(arylene thioether) containing phthalic anhydride groups |
September 10, 1996 |
| A process for the production of a poly(arylene thioether) containing phthalic anhydride groups wherein a dihalogen-substituted aromatic compound is reacted with an alkali metal sulfide in a polar organic solvent containing water to produce the poly(arylene thioether) is disclosed. Th |
| 5552479 |
Gas barrier film and production process thereof |
September 3, 1996 |
| Disclosed herein is a gas barrier film formed from a mixture containing polyvinyl alcohol and poly(meth)acrylic acid at a weight ratio of 95:5 to 20:80, and having an oxygen permeability constant of 1.25.times.10.sup.-3 ml(STP).cm/m.sup.2.h.atm{Pa} or smaller as measured under conditions |
| 5504096 |
Biocidal compositions for industrial materials |
April 2, 1996 |
| Disclosed herein is a method for preventing deterioration of an industrial material by using an azole derivative represented by the following formula ##STR1## wherein X means a halogen atom or a C.sub.1 -C.sub.5 alkyl, haloalkyl, phenyl, cyano or nitro group, n stands for 0 or an int |
| 5498662 |
Gas barrier film and production process thereof |
March 12, 1996 |
| Disclosed herein is a gas barrier film formed from a mixture containing (A) at least one poly(meth)acrylic acid polymer selected from the group consisting of poly(meth)acrylic acid and partially neutralized products of poly(meth)acrylic acid and (B) a saccharide in a weight ratio of 95:5 |
| 5494821 |
Process for separating optically active 1-hydroxy-cyclopentane methanol derivatives using lipase |
February 27, 1996 |
| In the present invention, an optically active cis type 1,2-diol derivative of the following formula (I) is produced by reacting a cis type 1,2-diol derivative of the formula (I) with a carboxylic acid derivative of the formula (II) in the presence of a lipase: ##STR1## wherein R. |
| 5493063 |
Process for optical resolution of 1,2-diol derivatives |
February 20, 1996 |
| This invention provides a process for producing an optically active 1,2-diol derivative by optical resolution. The optically active 1,2-diol derivative of the formula (I) which is capable of utilizing as an intermediate of fungicidal optically-active azole derivatives can be produced |
| 5484876 |
Production process for aromatic thioether ketone/thioether sulfone copolymers |
January 16, 1996 |
| Disclosed herein are an aromatic thioether ketone/thioether sulfone random copolymer comprising phenylene thioether ketone recurring units (I) and phenylene thioether sulfone recurring units (II), (a) the compositional ratio (I:II) of the recurring units (I) to the recurring units (II) |
