Abstract: The improved two types of crystal modification of 2-n-toluidino-3-methyl-6-di-n-butylaminofluoran, as well as the crystalline toluene adduct thereof have high solubility in inner-phase solvent(s). Recording materials that use those compounds as electron donating color formers exhibit particularly good performance in various characteristics such as whiteness of the background, its storage stability, color rendition, sensitivity for color formation and image storage stability.

Abstract: The improved .beta.-type crystal modification of 2-(3-methylanilino)-3-methyl-6-diethylaminofluoran has high solubility in inner-phase solvents. The compound is very useful as a color former for pressure-sensitive recording materials and thermal recording materials. Recording materials that use this compound as color former exhibit good performance in various characteristics such as whiteness of the background, its storage stability, color rendition, sensitivity for color formation and color fastness of image.

Abstract: An image forming apparatus includes an electric charge removing device for elastically coming in contact with a photoreceptor when there is no paper and for removing electric charges from the paper which is delivered, and a control device for starting to apply voltage to a transferring roller at a timing which is earlier by a predetermined time than a timing when the leading edge of the paper arrives at a transferring position and for releasing the application of the voltage to the transferring roller at a timing which is later by a predetermined time than a timing at which the trailing edge of the paper passes through the transferring position.

Abstract: ZnSSE mixed crystal semiconductors and ZnCdSe mixed crystal semiconductors are alternately laminated on a single crystal substrate composed of a III-V or II-VI compound to form a light emitting semiconductor device of a multilayer structure so that electrons and holes are efficiently confined therein. This increases the carrier recombination probability and emission efficiency. A device may be arranged where mixed crystal semiconductors of two types respectively having different component compositions of Zn.sub.1-x1 Cd.sub.x1 S.sub.y1 Se.sub.1-y1 and Zn.sub.1-x2 Cd.sub.x2 S.sub.y2 Se .sub.1-y2 are alternately laminated on a single crystal substrate composed of a III-V or II-VI compound such that the ratio of components of the mixed crystal semiconductors of two types satisfies the relationship that x.sub.1 is smaller than x.sub.2 and y.sub.1 is greater than y.sub.2. Alternately, a device may be arranged where a Zn.sub.1-x Cd.sub.x S.sub.y Se.sub.

Abstract: A MISFET includes a GaAs substrate, a gate insulating film of a II-VI group compound including Zn, Mg, S, and Se epitaxially grown on the GaAs substrate, and a gate electrode formed on the gate insulating film.

Abstract: A battery charging device for electric vehicles with a high-voltage battery, has a first connector to be connected with a high-voltage power source outside the vehicle, a second connector to be connected with a low-voltage power source outside the vehicle, a DC-DC converter for increasing the voltage of the low-voltage power source to a voltage corresponding to the high-voltage battery and a switch for changing-over the connectors are provided. In an emergency where the residual electric energy of the battery is less than required to run the required distance, the electric vehicle can easily be supplied with electric power from other vehicles such as a gasoline engine vehicle having a low-voltage power source and charge the battery by converting the supplied voltage by way of the DC-DC converter to a voltage corresponding to the voltage of the high-voltage battery.

Abstract: A transfer device for use in an image forming apparatus provided with a photosensitive drum on which a toner image is formed, the transfer device including a transfer member which is charged to transfer the toner image formed on the photosensitive drum to a copy sheet, a cleaner for cleaning toner depositing on the transfer member, and a power supply unit for applying a voltage to the cleaner to charge the transfer member, the cleaner being constructed so as to produce a potential difference between the cleaner and transfer member to attract the toner depositing on the transfer member. Accordingly, the transfer device of the invention is allowed to have a more simplified construction compared to existing transfer devices.

Abstract: The present invention provides a cyanine compound represented by the formula ##STR1## wherein R.sup.1 is a hydrogen atom or a lower alkyl group, R.sup.2 is an optionally substituted lower alkyl group, X and Y are the same or different and each represent a methylene group or an oxygen atom, Z is an acidic residue, and n is 2 or 3. This cyanine compound is suitable for use as a near infrared light-absorbing organic dye useful as an optical disc recording medium for semiconductor laser recording.

Abstract: The present invention provides an indolenine derivative represented by the formula ##STR1## wherein R.sup.1 is a hydrogen atom or a lower alkyl group, X and Y are the same or different and each represent a methylene group or an oxygen atom. This indolenine derivative is useful as an intermediate for synthesizing a cyanine compound suitable for use as an organic near infrared light-absorbing dye useful as an optical disc recording medium adapted for semiconductor laser recording.

Abstract: This invention relates to a cyanine compound represented by the formula (1) ##STR1## wherein: X is a lower alkoxy, Y is a lower alkyl or a lower alkoxy, R.sub.1 is a lower alkyl, or a lower alkyl substituted with at least one of C.sub.1 -C.sub.4 alkoxy, hydroxy, sulfo, carboxy, C.sub.1 -C.sub.4 alkyl amino, acetoxy, C.sub.1 -C.sub.4 alkoxy carbonyl, C.sub.1 -C.sub.4 sodium sulfonate, C.sub.1 -C.sub.4 sodium carboxylate, alkyl amino methyl, acetoxy methyl, and methoxyl carbonyl methyl, and Z.sup.- is an anion.

Abstract: A zinc selenide or zinc selenide-sulphide epitaxial crystal is grown at a growth temperature of about 180.degree.-320.degree. C. by organometallic chemical vapor deposition by using zinc alkyl and hydrogen selenide and/or hydrogen sulphide. An as-grown crystal presented an n conductivity type low resistivity and exhibited a narrow near-band gap emission peak. Besides a crystal of the same material as the epitaxial layer, crystals of group III-V, group IV, and so forth having the same or similar crystal structure as the epitaxial layer can be used as an underlayer for the growth.

Abstract: This invention relates to a novel antibiotic 76-11; process for the production thereof which comprises culturing an antibiotic 76-11 producing microorganism belonging to the genus Actinomadura to separate and collect the antibiotic; an anticoccidiosis agent comprising the antibiotic as an effective ingredient; and a growth accelerating and feed efficiency increasing agent for domestic animals and fowls comprising the antibiotic as an effective ingredient.