Abstract: An organic electroluminescent device having an organic hole injection transport layer and an organic luminescent layer formed between two conductive layers constituting electrodes, wherein the organic hole injection transfer layer contains a hydrazone compound of the following formula (I): ##STR1## wherein A is a monovalent or bivalent organic group containing at least one aromatic hydrocarbon ring or aromatic hetero ring which may have a substituent, each of R.sup.1, R.sup.2, R.sup.3, R.sup.4 and R.sup.5 is a hydrogen atom, or an alkyl, aralkyl, aromatic hydrocarbon or heterocyclic group which may have a substitutent, each of R.sup.6 and R.sup.7 is an alkyl, aralkyl, aryl, aromatic hydrocarbon or heterocyclic group which may have a substituent, l is an integer of 0 or 1, m is an integer of 0, 1 or 2, and n is an integer of 1 or 2, provided that A, R.sup.1 and the carbon atom to which R.sup.1 is bonded, or R.sup.6, R.sup.7 and the nitrogen atom to which R.sup.6 and R.sup.

Abstract: An electrophotographic photoreceptor comprising a photosensitive layer which contains one or more hydrazone compounds represented by the formula: ##STR1## wherein A represents a substituted or unsubstituted aryl or heterocyclic group; R.sup.1, R.sup.2 and R.sup.5 are the same or different from each other and independently represent a hydrogen atom, or a substituted or unsubstituted alkyl or aryl group; R.sup.3 and R.sup.4 are the same or different from each other and independently represent a hydrogen atom, a halogen atom, a nitro group, or a substituted or unsubstituted alkyl, alkoxy, aryl or aryloxy group; R.sup.6 represents a hydrogen atom, a halogen atom, or a substituted or unsubstituted alkyl or alkoxy group; R.sup.

Abstract: A process for the preparation of crystalline oxytitanium phthalocyanine showing a distinct diffraction in peak at a Bragg angle (2.theta..+-.0.2.degree.) of 27.3.degree. in the X-ray diffraction spectrum, which comprises mechanically pulverizing oxytitanium phthalocyanine, dispersing it in water to form a suspension, adding an organic solvent into the suspension and heating the suspension.

Abstract: A solid electrolytic capacitor is disclosed wherein use is made of an electrode produced by simultaneously forming an oxide film layer and a conductive polymer layer through electrolytic oxidation or other chemical treatments on a metal subjected to a surface roughening treatment, or forming a conductive polymer layer through plasma polymerization or other chemical treatments on a metal successively subjected to surface roughening and anodic oxidation treatments.

Abstract: A heater unit of an automotive air conditioner includes a partition wall which separates a heater body into first and second air mix chambers, a communication path for communicating with the first and second air mix chambers, a separation door for closing or establishing the communication path and also for fully blocking or unblocking an air induction path of a conditioned air to be discharged into rear discharge outlets, and an arched shape communication duct for communicating with the second air mix chamber and a connecting member which is employed with the heater body and connected to a rear duct introduced into a rear seat side of a vehicular cabin. An independent temperature control type air conditioner in which the temperatures of conditioned air flowing through the first and second air mix chambers are independently controlled, may be modified to function as a standard type air conditioner in which the temperatures of conditioned air flowing through second air mix chamber are commonly controlled.

Abstract: A photosensitive member for electrophotography having a photosensitive layer containing a hydrazone compound represented by the following general formula [I]: ##STR1## wherein R.sup.1 and R.sup.2 independently represent a hydrogen atom, an alkyl group, an alkoxy group or a halogen atom; R.sup.3 represents a halogen atom; m is 1 or 2; and n is 0, 1 or 2. The photosensitive member has not only extremely high sensitivity but also sufficiently low residual potential. It is also highly resistant to fatigue so that the repeated use provides it with little accumulation of residual potential and little variation of surface potential and sensitivity.

Abstract: An electrophotographic photoreceptor according to the present invention has a photosensitive layer comprising a bis-azo compound represented by the general formula (I): ##STR1## wherein K.sup.1 and K.sup.2 are independently a coupling ingredient residue with a hydroxy group which has a coupling activity;R.sup.1 is a hydrogen atom, a lower alkyl group, a lower alkoxy group or a halogen atom.

Abstract: An azo compound with the following general formula (I): ##STR1## wherein X is selected from the group consisting of hydrogen atom, lower alkyl group, lower alkoxy group, halogen atom and cyano group;Y is phenylene or naphthylene group;Z.sub.1 and Z.sub.2 are independently the divalent group represented by the following formula: ##STR2## wherein A is a divalent group derived from the aromatic hydrocarbon or heterocyclic compound including one or more nitrogen atoms in the ring; andn is 1 or 2,is disclosed. Such compounds are useful in forming a photosensitive layer of an electrophotographic photoreceptor.

Abstract: A dual layer photoreceptor for use in electrophotography, wherein a charge transport layer containing a hydrazone compound and a binder polymer is laminated on a charge generation layer containing a titanium phthalocyanine compound of the formula: ##STR1## wherein X represents hydrogen atom, lower alkyl group, lower alkoxy group, allyloxy group, nitro group, cyano group, hydroxy group, benzyloxy group or halogen atom, Y represents halogen atom, alkoxy group or oxygen atom, n represents an integer of 1 or 2 and m represents an integer of 0 to 4, and a binder polymer, formed on an electroconductive substrate.

Abstract: A print head with elongate electrical conductors and a fixing member containing hexagonal boron nitride, the elongate electrical conductors being embedded in or laminated on the fixing member and exposed at the tips. Electric signals are applied between the conductors and a printing medium to print thereon images corresponding to the electric signals.

Abstract: Disclosed is a crystalline oxytitanium phthalocyanine which shows intense diffraction peaks at Bragg angles (2.theta..+-.0.2.degree.) of 9.3.degree., 10.6.degree., 13.2.degree., 15.1.degree., 15.7.degree., 16.1.degree., 20.8.degree., 23.3.degree., 26.3.degree. and 27.1.degree. in the X-ray diffraction spectrum, the intensity of the diffraction peak at Bragg angle of 26.3.degree. being most strong and the intensity of the diffraction peaks at Bragg angles between 4.degree.-8.degree. being less than 5% of the intensity of the diffraction peak at Bragg angle of 26.3.degree.. Further, disclosed is a photoreceptor for use in electrophotography, comprising at least a charge carrier generation layer in which the oxytitanium phthalocyanine above is dispersed in a binder polymer and a charge carrier transport layer laminated thereon.

Abstract: There is herein, disclosed a dye laser including a container for a dye solution and a pumping energy source coupled thereto, said dye solution containing a perimidone dye formula (I): ##STR1## wherein R.sup.1 is a hydrogen atom, an alkyl group, a trifluoromethyl group, an alkoxycarbonyl group, an alkoxycarbonylalkyl group, an aralkyl group or a phenyl group; R.sup.2 is an optionally substituted alkoxycarbonyl group, a cyclohexyloxycarbonyl group, tetrahydrofurfuryloxycarbonyl group, an aryloxycarbonyl group, a benzyloxycarbonyl group, an acyl group, a cyano group or an optionally substituted carbamoyl group; R.sup.3 and R.sup.4 which may be the same or different are each a hydrogen atom, an alkyl group, an alkoxyalkyl group, an aralkyl group or an aryl group.

Abstract: An electrophotographic photoreceptor according to this invention has a photosensitive layer in which a photoconductive substance with the following general formula (I): ##STR1## wherein X is selected from the group consisting of hydrogen atom, lower alkyl group, lower alkoxy group, halogen atom and cyano group;Y is phenylene or naphthylene group;Z.sub.1 and Z.sub.2 are independently the divalent group represented by the following formula: ##STR2## wherein A is a divalent group derived from the aromatic hydrocarbon or heterocyclic compound including one or more nitrogen atoms in the ring; andn is 1 or 2, is incorporated.

Abstract: A data processing apparatus includes a CPU, a memory, and logic operation hardware. When a predetermined instruction code is identified, the logic operation hardware executes an arithmetic operation using data stored in the memory, while the CPU processes the same data. The logic operation hardware then writes the result of the arithmetic operation instead of the data processed by the CPU.

Abstract: For alleviating the problem in continuous casting of beam blanks that cracks are frequently formed at the fillet parts thereof not only is the mold cavity provided with a taper at its web part in the casting direction, but also the curvature 1/R of the curved fillet parts of the mold cavity are successively varied in accordance with the amount of free shrinkage of the solidified shell of the beam blank strand. Such variation in curvature is particularly significant in the casting of beam blanks having a web height that is close to 1 m.

Abstract: This invention relates to a guest-host type liquid crystal composition and a color liquid crystal display device in which said composition has been sealed. This invention provides a liquid crystal composition containing a specific anthraquinone dye as a pleochroic dye which, as the guest dye, has a degree of orderness of the alignment (order parameter) in the host liquid crystal in the range from 0.5 to 1, shows remarkable contrast between the colored state and the uncolored state, and is excellent in stability to light, heat, and the like. Further, this invention provides a color guest-host type liquid crystal display device in which said liquid crystal composition has been sealed.

Abstract: An electrophotographic plate comprising a photosensitive layer containing a hydrazone compound represented by the general formula: ##STR1## (where X, Y and Z represent independently hydrogen atom, a lower alkyl group, a lower alkoxy group, phenoxy group or an arylalkoxy group; R represents hydrogen atom, a lower alkyl group, allyl group, an aralkyl group or an optionally substituted phenyl group; m and l represent independently 1 or 2; and n represents 0 or 1).

Abstract: A liquid crystal composition containing at least one quinophthalone series dye represented by the formula ##STR1## wherein: X represents hydrogen, a chlorine atom or a bromine atom; and R represents --OR.sup.1 or --SR.sup.1, wherein R.sup.1 represents an alkyl group, a cycloalkyl group, an alkoxyalkyl group, a phenyl group, a p-hydroxyphenyl group, a p-cycloalkylphenyl group, a p-alkylphenyl group, a p-alkoxyphenyl group or an aralkyl group; ##STR2## wherein R.sup.2 and R.sup.3 each represents hydrogen, an alkyl group, a hydroxyalkyl group, an alkoxyalkyl group, a cycloalkyl group, a phenyl group, a p-alkylphenyl group, a p-hydroxyphenyl group, a p-alkoxyphenyl group or an aralkyl group; or a saturated heterocyclic ring.

Abstract: An apparatus for fluid treatment of a fiber product is provided in which an endless fiber product is circulated in a predetermined direction within a treatment bath in a treatment vessel, characterized in that said apparatus comprises a fiber product residence section composed of a horizontal outer tube communicating with the side of the lower portion of said treatment vessel and a perforated tube concentrically provided inside said outer tube, a high-speed revolving reel for running said fiber product provided outside said treatment bath in said treatment vessel and a tube for transferring said fiber product provided with a treatment fluid jet nozzle for high-speed transfer of said fiber product so provided outside said treatment vessel as to connect the rear portion of said reel in said treatment vessel to the tip of said horizontal outer tube.