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| Number | Title | Issue Date |
| 4532354 | Method for purifying N,N-dimethylaminopropylamine The present invention relates to a method for purifying N,N-dimethylaminopropylamine containing 1,3-diaminopropane as an impurity. Dimethylaminopropionitrile is formed by adding dimethylamine to acrylonitrile, and is then converted by subsequent hydrogena... | 07/30/1985 |
| 4484803 | Objective lens for regenerating a video disc This invention relates to an objective lens for regenerating a video disc or the like. A semiconductor laser is used as a light source to directly drive an objective lens for carrying out tracking, and thus the lens must be small and light-weight, but the... | 11/27/1984 |
| 4474579 | Process for improving the combustion of diesel engine fuels In order to improve the combustion of diesel engine fuels, mixtures of neutral salts of carboxylic acids and metals of Atomic Nos. 57 to 71 and free carboxylic acids are added thereto.... | 10/02/1984 |
| 4474578 | Coal/diesel fuel suspensions containing wax-like polymers The present invention relates to the stabilization of a carbonaceous combustible solid-diesel fuel suspension by inclusion therein of wax-like polymers in an amount of at least 0.2% by weight of the stabilized suspension. The polymers preferred are homopo... | 10/02/1984 |
| 4474442 | Film transport method and apparatus An automatic film winding mechanism and method generates a series of pulses for each unit movement amount of the film, computes the speed of the film advancing movement, compares the speed to a stored look-up table for determining the precise point at whi... | 10/02/1984 |
| 4473628 | Toner for developing of electrostatic latent image A toner for developing an electrostatic latent image comprising a resin prepared by emulsion polymerization of a first polymer to yield a first emulsion, emulsion polymerization of a second polymer to yield a second emulsion, mixing said first and second ... | 09/25/1984 |
| 4473028 | Developing device A developing device for use in an electrophotographic copying machine or electrostatic recording apparatus includes a stirring blade for mixing the developer. The driven shaft driving the stirring blade is intermittently revolved in a reverse direction to... | 09/25/1984 |
| 4472724 | Electrostatic image reproducing apparatus An electrostatic recording apparatus comprising an ion modulator, a driving circuit for transforming a first image signal into a second image signal and for applying said second image signal to the ion modulator, a member for forming electrostatic latent ... | 09/18/1984 |
| 4472573 | Nitrosourea derivative and process for preparing same A nitrosourea compound of the formula: ##STR1## wherein R1 is lower alkyl and R2 is lower alkyl or lower alkoxy-lower alkyl, which may be prepared by nitrosation of a compound of the formula: ##STR2## wherein R1 | 09/18/1984 |
| 4472526 | Process for producing ethanol and n-propanol from methanol and synthesis gas The present invention relates to a process for producing ethanol and n-propanol by reacting methanol with carbon monoxide and hydrogen at elevated pressure and temperature. A system consisting of a cobalt compound, a ruthenium compound, an iodide, and an ... | 09/18/1984 |
| 4471234 | Switch circuit A circuit for indicating the current or existing composite operating states of a plurality of switches switchable between open and closed states, and all normally disposed in a first of those states, includes a resistance of predetermined value for and co... | 09/11/1984 |
| 4470782 | Apparatus for producing orthotics An apparatus for producing custom orthotics includes a boundary wall encompassing a substrate pad and an overlying elastic skin to form an expandable interior chamber into which high density molding material is injected. A matrix of axially movable drive ... | 09/11/1984 |
| 4470738 | Lifter in a rolling device This invention relates to a novel lifter construction for rolling filled cans. It is designed to allow a lifter plate to effect relative rotation with respect to a lifter body to be forcibly driven in order to introduce the merits of the free rotation sys... | 09/11/1984 |
| 4469429 | Electrophotographic reproducing machine An electrophotographic reproducing machine in which the bias voltage applied to the sleeve is set at such a level as to substantially nullify the developing current which is produced as a result of induction of charge in the developer in accordance with t... | 09/04/1984 |
| 4469390 | Crimped connector The invention is directed to an arrangement for simply and inexpensively attaching semirigid coaxial cable to suitable connectors in which the connector is provided with a sleeve having either internal fluting or cross threads. The effective internal diam... | 09/04/1984 |
| 4467333 | Copying apparatus A copying machine comprising an image signal generating unit including a solid image pickup element for converting an optical image into an electric signal; an ion generating source; and an electrostatic image forming unit including an ion control electro... | 08/21/1984 |
| 4467248 | Variable electronic flash light equipment A variable illumination flash apparatus includes a main capacitor in parallel with a flash lamp and power source for normally supporting triggered discharge illumination of the lamp. A plurality of secondary circuits each containing a series-connected sil... | 08/21/1984 |
| 4467025 | Photosensitive compositions A photosensitive composition containing an o-naphthoquinonediazido compound of Formula I ##STR1## wherein X is an oxy or amino group, Y is a cyano or nitro group, and n is an integer of 2 to 5, and an organic dye capable of changing its color wh... | 08/21/1984 |
| 4466604 | Elevator type paper feeding apparatus The apparatus includes a vertically movable paper tray that descends to its lowered condition when a copier door is opened for resupply of copy sheets, a switch for detecting the fully raised sheet feeding condition of the tray, and a photosensor for dete... | 08/21/1984 |
| 4464562 | Electric curling-iron with spiral polygonal hair engaging edges An electric curling iron for producing a spiral curl giving the impression of a stream-like natural and soft wave is constructed in the form of a scissors having one blade comprising an electrically heated rod and the other blade comprising a clamp cooper... | 08/07/1984 |
| 4464279 | Magnetic recording medium Magnetic recording medium having a non-magnetic support carrying a magnetic layer, the layer comprising a ferromagnetic powder, a binder, and a Nitrogen containing compound, which is able to complex with Iron ions wherein the stability constant of the Nit... | 08/07/1984 |
| 4464041 | Developing apparatus In the developing apparatus for producing an electrostatic latent image on a charge retaining member such as a drum, a rotating member for producing a shifting magnetic field is used to transport magnetic toner from a toner source to a developing area on ... | 08/07/1984 |
| 4463094 | Fermentation production of L-threonine An improved method for the fermentative production of L-threonine in a high yield, which comprises cultivating a methionine metabolism-antagonist resistant mutant of Serratia marcescens having L-threonine productivity in a broth to form and accumulate L-t... | 07/31/1984 |
| 4462982 | Microcapsules and method of preparing same Ethylcellulose microcapsules, wherein a polymer material which shows at least 1.2 times increase in weight by immersing it in water at 37° C. is incorporated into the ethylcellulose coating walls and/or the core material thereof, are disclosed. Said ethy... | 07/31/1984 |
| 4462682 | Electrostatic recording apparatus In electrostatic recording apparatus recording head such as an optical fiber tube (OFT) is closely spaced from the image forming member, such as a drum covered with a photosensitive substance. The electrostatic latent image is generally formed with the us... | 07/31/1984 |
| 4461559 | Exposure ascertaining device for cameras An exposure ascertaining device for cameras in which the movement of a movable member adapted to be moved when the film is exposed is ascertained on the basis of an output from a photoelectric element disposed in a position where said photoelectric elemen... | 07/24/1984 |
| 4460596 | Thienyloxazolylacetic acid derivatives and process for preparing A compound of the formula ##STR1## wherein Ring A is phenyl or halogenophenyl and R1 is hydrogen or lower alkyl, or a pharmaceutically acceptable salt thereof and processes for preparing the same are disclosed. Said compound is useful as a... | 07/17/1984 |
| 4460143 | Vial suspender A vial suspender comprising a planar base plate and a suspending portion including a suspending strip and a suspending ring and joined to the center of the base plate by a hinge portion. The suspending portion is foldable at another hinge portion and is a... | 07/17/1984 |
| 4458997 | Single lens reflex camera equipped with mirror elevation detector and sequence control A single lens reflex camera is provided with a photocell so positioned in the camera as to receive thereon light incident through the lens and reflected onto the photocell by the mirror. During each photographing operation, the mirror is pivotally elevate... | 07/10/1984 |
| 4456380 | Test system for identifying bacteria A test system for identifying bacteria comprising a plate accommodating portion for placing therein a transparent culture plate having a plurality of cells, a light source assembly for applying a light to a specimen in each of the cells of the culture pla... | 06/26/1984 |
| 4456372 | Copying machine equipped with a document detecting member A copying machine is equipped with a transparent document glass table under which a document detecting member is arranged to travel a certain path relative to a document on said document glass table, for detecting either or both the copy density and the s... | 06/26/1984 |
| 4456363 | Paper feeding arrangement for copying apparatus In an electrophotographic copying apparatus in which the photosensitive drum and associated image forming, developing and cleaning devices are all supported in a subframe movable into and out of a main frame which carries the copy plate and associated opt... | 06/26/1984 |
| 4455395 | Process for the production of unsaturated hydro-carbons In a process for the production of unsaturated hydrocarbons comprising catalytic conversion of a feed gas comprising carbon oxides and hydrogen, the improvement which comprises carrying out said conversion at a temperature of 250° to 350° C. and under a... | 06/19/1984 |
| 4455372 | Method for fermentative production of L-proline A method for the fermentative production of L-proline which comprises cultivating a L-proline-producing mutant of a microorganism belonging to the genus Serratia in a broth to produce and accumulate L-proline therein and collecting accumulated L-proline. ... | 06/19/1984 |
| 4454781 | Turnover apparatus A turnover apparatus for use in the secondary working stage of a press line is disclosed. The apparatus includes a bed that rotatably supports a main shaft, a pair of links the base of each of which is rotatably connected to each end of the main shaft, an... | 06/19/1984 |
| 4453816 | Method and means for controlling the aperture blades of a camera through pulse motors The invention is directed to an improved method and apparatus for controlling the aperture blades of a camera in which the aperture stop-down position is controlled by the number of pulses applied to pulse motors. In the present case, the unit-pulse numbe... | 06/12/1984 |
| 4453410 | Method and apparatus for locating material defects in hollow bodies An ultrasonic probe is positioned within a hollow body such as a pipe for detecting possible flaws in the body wall. The probe is designed for rotational and longitudinal movement in said pipe and includes an ultrasonic transmitter/receiver mounted eccent... | 06/12/1984 |
| 4452912 | Process for producing a supported catalyst for the polymerization of .alpha . The invention relates to a process for producing a magnesium-containing supported catalyst for the polymerization and copolymerization of -olefins. The magnesium is bound via oxygen to a porous metal oxide; e.g. silicon dioxide and/or aluminum oxid... | 06/05/1984 |
| 4451558 | Silver halide color photographic light-sensitive material A silver halide color photographic light-sensitive material containing a phenol cyan coupler having an ureido group in the 2-position dispersed in a phthalic ester.... | 05/29/1984 |
| 4450221 | Encapsulated lyophilic magnetic particle and resin toner A magnetic toner comprising nuclear particles comprising lyophilic magnetic particles and a resin having a low softening point is disclosed. Each of the nuclear particles is surrounded by a resin wall.... | 05/22/1984 |
