Abstract: A graphitic electrode material suitable for use in a non-aqueous solvent-type secondary battery is provided. The graphitic material is characterized by an average (002)-plane spacing d.sub.002 of 0.336-0.345 nm, a crystallite size along c-axis L.sub.c(002) of 15-60 nm, and a lattice strain .epsilon. of at most 2.0.times.10.sup.-2 nm.sup.-1 as measured by X-ray diffraction method. The graphitic material may suitably be formed through a process including the steps of: thermally polymerizing a condensed polycyclic aromatic compound in the presence of a Lewis acid catalyst to form a polymerizate, and heat-treating the polymerizate at 2100.degree.-2600.degree. C. under a reduced pressure or in an inert gas atmosphere. The graphitic electrode material exhibits large doping and dedoping capacities which provide only a small difference therebetween (i.e., irreversible capacity) and cause only a small decrease at the time of quick charging and discharging.

Abstract: In a process for producing trimethylsulfoxonium bromide by reacting dimethyl sulfoxide and methyl bromide, methyl bromide is added to a mixture of dimethyl sulfoxide and a stabilizing agent under atmospheric pressure intermittently or continuously so that the final molar ratio of methyl bromide to dimethyl sulfoxide becomes 0.40:1 to 0.70:1, with the temperature of dimethyl sulfoxide being maintained at a temperature of 50.degree. to 75.degree. C. This process can realize a reduction of reaction time, an improvement of yield and establishment of safety of producing operations.

Abstract: The disclosure describes dielectrics for a transfer sheet carrying member used in electrophotographic image forming apparatus, comprising 80 to 96 mass % of a vinylidene fluoride-based resin and 4 to 20 mass % of a methyl methacrylate-based resin.

Abstract: Disclosed herein is an infrared-blocking optical filter having optical properties that the transmittance to rays in a visible region is excellent while rays in a near infrared region, particularly, in a wavelength range longer than 1200 nm are cut off or attenuated with high efficiency. The infrared-blocking optical filter includes a transparent substrate and either of the following infrared-blocking film (A) and (B) provided on a surface of the transparent substrate. Film (A): an infrared-blocking film formed on a synthetic resin in which fine powder of metal oxide material composed of indium oxide and/or tin oxide is dispersed; and Film (B): an infrared-blocking film formed of a deposit of a metal oxide material composed of indium oxide and/or tin oxide. The infrared-blocking film may be formed on a transparent support member to constitute an infrared-blocking composite film which is provided on a surface of the transparent substrate to form an infrared-blocking optical filter.

Abstract: A 2-(unsubstituted or substituted) (benzyloxy or phenoxy)-4-substituted-6-(meta-substituted phenoxy)pyridine represented by the formula (I): ##STR1## wherein R represents C.sub.1 -C.sub.4 alkoxy or cyano; each X, which may be identical or different if n is greater than 1, represents a halogen, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkoxy, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 haloalkythio, C.sub.3 -C.sub.5 alkenyloxy, or C.sub.3 -C.sub.5 alkynyloxy;Y represents trifluoromethyl, difluoromethoxy, trifluoromethoxy, or trifluoromethylthio;m represents an integer of 0 or 1; andn represents an integer of 0 to 5, which is useful as a herbicide.

Abstract: Disclosed herein are a divided package of a medicinal adsorbent for internal use, comprising a divided package bag and an adsorbent for internal use which releases air ranging from 1.3 to 10 ml based on one gram of the adsorbent on heating from 10.degree. C. to 30.degree. C. and is packed therein, and having a volume expansion coefficient ranging from 0 to 0.064 ml/.degree.C..multidot.g (adsorbent for internal use) at a temperature of from 10.degree. to 30.degree. C., and a process for producing the same.

Abstract: The present invention provides a process for producing alkylcyclopentanone derivatives of formula (1) by reacting alkyl cyclopentanone derivatives of formula (2) and alkyl halides of formula (3) in an organic solvent in the presence of molecular sieves and an alkaline metal hydroxide: ##STR1## wherein R.sup.1 is C.sub.1 -C.sub.4 alkyl group; R.sup.2 is hydrogen atom or C.sub.1 -C.sub.5 alkyl group; R.sup.3 is C.sub.1 -C.sub.5 alkyl group; Y is halogen atom, C.sub.1 -C.sub.5 alkyl group, C.sub.1 -C.sub.5 haloalkyl group, phenyl group, cyano group or nitro group; n is an integer from 0 to 5; when n is 2 or greater, Y's may be identical or different; R.sup.3 in formula (3) is the same as R.sup.3 in formula (1); and a process for preparing alkylcyclopentanone derivatives of formula (5) by reacting cyclopentanone derivatives of formula (4) and alkyl halides of formula (6) in an organic solvent in the presence of molecular sieves and an alkaline metal hydroxide: ##STR2## wherein R.sup.1 is C.sub.1 -C.sub.

Abstract: Disclosed herein are plastic optical materials having properties that rays in a specific visible range are absorbed, being low in specific gravity and easy to conduct processing or machining, and having excellent glare-proofness. One of the plastic optical material comprises an acrylic polymer containing a specific phosphate group represented by the formula PO(OH).sub.n -- (n being 1 or 2) of 0.5-60%, and a metal ion component comprising a neodymium ion of 0.04-10 parts based on 100 parts of the acrylic polymer, and has properties that rays in a wavelength range about 580 nm are absorbed. Another plastic optical material comprises 100 parts of the same acrylic polymer, and 0.1-12 parts of a metal ion component composed of a manganese ion in a predominant amount and a neodymium ion, and has properties that rays in wavelength ranges of 400-500 nm and 555-605 nm are absorbed with high efficiency.This plastic optical material is particularly suitable for use in plastic lenses for sunglasses.

Abstract: A polyarylene sulfide resin composition having improved toughness and impact resistance is formed by 100 wt. parts of polyarylene sulfide and 0.5-50 wt. parts of a graft copolymer. The graft copolymer includes an olefin copolymer segment comprising .alpha.-olefin units and .alpha.,.beta.-unsaturated acid glycidyl ester units, and a grafting polymer segment comprising .alpha.,.beta.-unsaturated acid glycidyl ester units and chemically bonded to the olefin copolymer segment. The .alpha.-olefin is preferably ethylene. The .alpha.,.beta.-unsaturated acid glycidyl ester is preferably glycidyl acrylate or glycidyl methacrylate. The grafting polymer segment is preferably in the form of a copolymer of an .alpha.,.beta.-unsaturated acid glycidyl ester and a monoethylenically unsaturated monomer.

Abstract: A vinylidene fluoride resin fiber have a diameter of not less than 0.5 mm, and satisfy the formulae (1) and (2):Ra.gtoreq.0.5 (1)Rb.gtoreq.(Ra+Rc)/3.0 (2)wherein Rc represents a ratio of absorbance at 765 cm.sup.-1 of .alpha.-type crystal to that at 843 cm.sup.-1 of .beta.-type crystal at the center point of a fiber cross-section, Rb represents a ratio of absorbance at 765 cm.sup.-1 of .alpha.-type crystal to that at 843 cm.sup.-1 of .beta.-type crystal at the point of r/3 from the center point thereof, and Ra represents a ratio of absorbance at 765 cm.sup.-1 of .alpha.-type crystal to that at 843 cm.sup.-1 of .beta.-type crystal at the point of 2r/3 from the center point thereof, wherein r is a radius of the fiber cross-section.

Abstract: A spiral die for forming a laminate includes an outer die ring, an inner die ring inserted into the outer die ring with a fit clearance therebetween, a plurality (m, a positive integer greater than 1) of spiral grooves each having a gradually decreasing depth disposed between the outer and inner die rings, and distribution paths for distributively introducing melted resin streams of a plurality (n, a positive integer satisfying n<m) of resin species in a prescribed order into said plurality (m) of spiral grooves. The individual resin streams distributed to the spiral grooves proceed along the spiral grooves to gradually overflow the respective spiral grooves and overlie each other in a prescribed order before the individual resin streams form a uniform tubular stream in a die axial direction.

Abstract: Conjugates of the formula ##STR1## are prepared by reacting an estradiol derivative with a compound of the formula: ##STR2## in the presence of thionyl chloride or a metal hydride at -30.degree. to 150.degree. C. for 3 minutes to 48 hours and then recovering and purifying the product.

Abstract: A laminate resin film having two major surfaces is constituted by plural resin species. In the laminate, layers of the plural resin species are laminated obliquely to the two major surfaces in at least one section perpendicular to the two major surfaces, and each layer of the plural species of resins is exposed to the two major surfaces. The laminate resin film has equivalent properties in the thickness direction (such as gas-barrier property) as in a conventional laminated film but has properties in the planar extension direction which are remarkably affected by properties (such as low Young's modulus and heat-shrinkability) of a certain component resin layer.

Abstract: A 2-phenoxy-6-thienylmethyloxypyridine derivative represented by the formula (I): ##STR1## wherein R represents hydrogen, a halogen, cyano, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkylamino, or di (C.sub.1 -C.sub.4 alkyl) amino;each X, which may be identical or different if n is greater than 1, represents a halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, or C.sub.1 -C.sub.4 haloalkyl;each Y, which may be identical or different if m is greater than 1, represents a halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 haloalkoxy, or C.sub.1 -C.sub.4 haloalkylthio;m represents an integer of 0 to 5; andn represents an integer of 0 to 3, which is useful as a herbicide.

Abstract: A carbonaceous electrode having improved capacities for doping and dedoping of a cell active substance, such as lithium, and suitable for a non-aqueous solvent-type secondary battery, is constituted by a carbonaceous material having a specific microtexture. The carbonaceous material is characterized by it's ability to provide an electrochemically lithium-doped product showing a main resonance peak which is shifted by 80-200 ppm to a lower magnetic field side from a resonance line of LiCl as a reference substance when subjected to .sup.7 Li-NMR spectroscopy analysis.

Abstract: A transfer sheet for printing media of electrophotographic copying machines or printers comprises a polycarbonate-based resin or a composition containing not less than 75% by mass of a polycarbonate-based resin, and having characteristics that:the ratio of infrared absorbance at the wave number of 155 mm.sup.-1 to that at 160 mm.sup.-1 of said sheet is 0.3 to 0.6;the melt viscosity at the shear rate of 200/sec at 280.degree. C. of said sheet is not less than 2,000 Pa.multidot.s; andthe thickness of said sheet is 130 to 250 .mu.m.

Abstract: Disclosed herein is a plastic optical filter which has a combined optical function that it has an effect of effectively blocking or attenuating rays in the wavelength range of a near infrared region and excellent luminosity factor-compensating ability and is provided with an optical low-pass filtering function, and is low in specific gravity and hygroscopicity, free from devitrification with time and easy to conduct its processing or machining and polishing treatment.This plastic optical filter includes a filter base formed of a plastic material comprising a copolymer obtained by copolymerizing a monomer represented by the following formula I:PO(OH).sub.n R.sub.3-n Iwherein R means a polymerizable functional group represented by the following formula II:CH.sub.2 .dbd.CXCOO(C.sub.2 H.sub.4 O).sub.

Abstract: A herbicidal composition comprising a herbicidally effective amount of a 2-benzyloxypyrimidine derivative represented by the formula (I): ##STR1## wherein R.sup.1 and R.sup.2 are each independently H, a halogen, hydroxyl, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.3 -C.sub.5 alkenyl, C.sub.3 -C.sub.5 alkynyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 haloalkoxy, C.sub.3 -C.sub.5 alkenyloxy, C.sub.3 -C.sub.5 alkynyloxy, C.sub.1 -C.sub.4 alkylthio, or phenyl;n is an integer of 0 to 5; andeach X which may be identical or different if n is greater than 1, is a halogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 haloalkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.7 -C.sub.9 aralkyloxy, phenyl, hydroxymethyl, hydroxycarbonyl, C.sub.1 -C.sub.4 alkoxycarbonyl, or nitro, andan adjuvant.

Abstract: A carbonaceous electrode having improved capacities of doping and dedoping a cell active substance, such as lithium, and suitable for a non-aqueous solvent-type secondary battery, is constituted by a carbonaceous material having a specific microtexture. The carbonaceous material is characterized by having an average (002)-plane spacing of at least 0.365 nm according to an X-ray diffraction test, and by providing a residual carbonaceous substance showing an average (002) plane-spacing of at most 0.350 nm according to an X-ray diffraction test when the carbonaceous material is treated with an H.sub.2 O--N.sub.2 equi-molar gaseous mixture at 900.degree. C. up to a weight reduction of 60%.

Abstract: The disclosure describes a flame-resisting resin composition comprising:(A) 90 to 99.5% by weight of a polyarylene sulfide; and(B) 0.5 to 10% by weight of a graft copolymer composed of an olefinic copolymer (a) having 30 to 59% by weight (based on the weight of said graft copolymer) of an .alpha.-olefin repeating unit and a glycidyl ester residue repeating unit of an .alpha.,.beta.-unsaturated mono-carboxylic acid, and at least one of polymers (b) having the repeating unit represented by the following formula (I):said olefinic copolymer (a) being branched or crosslinked with at least one of the polymers (b), ##STR1## wherein R represents a hydrogen atom or a lower alkyl group having from 1 to about 6 carbon atoms, X represents a benzyl group, --COOCH.sub.3, --COOC.sub.2 H.sub.5, --COOC.sub.4 H.sub.9, --COOCH.sub.2 CH(C.sub.2 H.sub.5)C.sub.4 H.sub.9, --CN, a phenyl group or a maleimide group.