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| Number | Title | Issue Date |
| 5167231 | Ultrasonic probe An ultrasonic probe including a piezoelectric substrate divided into a plurality of substrate sections aligned in one direction, a common electrode connected to one side of all the separated substrate sections, and plural individual electrodes being appli... | 12/01/1992 |
| 5015452 | Process for synthesis of uniform colloidal particles of rare earth oxides An improved process for the preparation of monodispersed spherical colloidal particles from rare earth salts is disclosed. These colloidal particles are obtained in this process by homogeneous precipitation techniques involving the forced hydrolysis of ra... | 05/14/1991 |
| 4980470 | 8-alkoxyquinolonecarboxylic acid and salts thereof Quinolonecarboxylic acid derivatives of the following formula: ##STR1## wherein R indicates a hydrogen atom or lower alkyl group, R1 indicates a lower alkyl group, R2 indicates a hydrogen atom, amino group or nitro group, X indi... | 12/25/1990 |
| 4940446 | Coupling structure for a rotating member and a shaft A rotating member such as a sprocket to be coupled with a shaft is formed with a fitting bore which extends on the center axis and opens at at least one of its axial end portions. The rotating member is arranged in and rotatably held by a case such that i... | 07/10/1990 |
| 4931065 | Aftertreatment of reactive dyeings on cellulose fibers Reactive dyeings on textile materials containing cellulose fibers are aftertreated with aqueous solutions of benzylated resins which are obtainable (a) by condensation of methylamine and epichlorohydrin or (b) by heating triethanolamine and/or triisopropanolam... | 06/05/1990 |
| 4925910 | Heat-stable copolycondensate molding materials Copolycondensate molding materials are obtainable by polycondensation of from 2 to 98 mol % of 2,2-di-(4'-hydroxyphenyl)-propane (A), from 2 to 98 mol % of 4,4'-dihydroxydiphenyl sulfone (B) and from 0 to 96 mol % of (C) ##STR1## where R1 and R... | 05/15/1990 |
| 4897967 | Apparatus for truing a grinding wheel An apparatus for truing the cylindrical outer peripheral grinding surface of a grinding wheel includes a truing head which is movable toward or away from the grinding wheel in a first direction which is parallel to the grinding surface and in a second dir... | 02/06/1990 |
| 4878312 | Method for culturing and cultivating fungi In a method for culturing and cultivating fungi according to the present invention, the woods with the small diameter are used as the host woods. Into these woods with the small diameter, the fungi are inoculated through a cellulose sheet. The inoculated ... | 11/07/1989 |
| 4874595 | Process for producing calcium-urea nitrate Calcium-urea nitrate [Ca(NO3)2.4CO(NH2)2 ] is produced by means of a process, according to which: a liquid composition is prepared, at a temperature not higher than 170° C., which contains urea and calcium nitrate, ... | 10/17/1989 |
| 4874939 | Method and apparatus for detecting position/variance of input light using linear and quadratic outputs An apparatus for detecting position/variance of input light is disclosed which includes a photoelectric conversion device receiving input light constituted of a first resistive layer formed of a first photoelectric conversion material and a second resisti... | 10/17/1989 |
| 4874937 | Digital sun sensor A digital sun sensor having an ND filter, a prism, an opaque layer formed on the prism and having a slit, a band-pass filter, and a linear array sensor. A sunbeam passes through ND filter, and is diffracted as it passes through the slit, and is refracted ... | 10/17/1989 |
| 4873010 | Spindle-like magnetic iron oxide particles and process for producing the same Disclosed herein are magnetic iron oxide particles comprising spindle-like magnetite or maghemite particles having an aspect ratio(major:minor) of less than 4:1 and containing 0.1 to 20 atomic % of Si to Fe, and a process for producing the same.... | 10/10/1989 |
| 4869848 | Flame-retardant composition and flame-retardant cable using same A flame-retardant composition is prepared by mixing 100 parts by weight of a rubber or plastics free from any halogen with about 50 to about 200 parts by weight of magnesium hydroxide having an average particle diameter of about 0.3 to about 2 μm and abo... | 09/26/1989 |
| 4869857 | Process for producing porous membranes Porous membranes are produced by dissolving a film-forming polymer in a good solvent for the polymer, forming a film of the resulting polymer solution, and forcibly contacting saturated steam or mist-containing steam with at least one surface of said film... | 09/26/1989 |
| 4867807 | Method for superplastic warm-die and pack forging of high-strength low-ductility material A high-strength low-ductility material is formed by a method which comprises treating a bulk or powder of the material thereby converting coarse grains thereof into hyperfine grains capable of manifesting superplasticity when the strain rate is higher tha... | 09/19/1989 |
| 4865684 | Process for producing a semiconductor laser mirror by ionic machining A semiconductor (10) is subject to ionic etching (14) through a mask, whereof one side determines the location of the mirror. This mask is constituted by a crystalline layer (12), whereof the side (16) is a crystallographic plane.... | 09/12/1989 |
| 4866745 | Ultrahigh speed X-ray CT scanner An X-ray CT scanner comprises a plurality of X-ray generators which are arranged radially on a circle concentric with an object for measurement and each consists of a cathode electrode, an anode electrode constituting a target and a grid between the catho... | 09/12/1989 |
| 4863987 | Deodorizing coating formulations and deodorizing sheets making use of same A deodorizing coating formulation is composed of a white or substantially colorless deodorizing agent, a binder resin and a liquid medium. The deodorizing agent may preferably be composed of 10-90 parts by weight of a zinc compound and 90-10 parts by weig... | 09/05/1989 |
| 4864325 | Printing device The present invention provides a printing device wherein a sublimable dyestuff contained in a dyestuff case is heated to sublime to form steam of the dyestuff into which gas is flowed in order to pressurize the dyestuff steam to form pressurized dyestuff ... | 09/05/1989 |
| 4862656 | Security posts A security post assembly consisting of a base tube to be sunk into the ground or other base and a post which fits into the mouth of the tube is lockable by a mortise lock mounted inside the post above ground level. The bolt of the lock protrudes outside t... | 09/05/1989 |
| 4861379 | Spherical fine particulate pigment and process for preparing the same A spherical fine particulate pigment in which pigment particles have a diameter of not more than 0.5 μ, and the surface thereof is treated by a surface active agent, is provided by reacting a water soluble dye and an insolubilizing agent therefor in a wa... | 08/29/1989 |
| 4862328 | Electric double layer capacitor A polarizable electrode for an electric double layer capacitor, composed of a continuously micro-porous structure of a fluorine-containing polymer resin with a fine carbon powder incorporated therein, wherein said structure includes a numerous fine nodes ... | 08/29/1989 |
| 4861722 | Coryneform bacteria carrying recombinant plasmids and their use in the fermentative production of L-lysine A genetic sequence coding for the production of a protein having the activity of diaminopimelic acid decarboxylase and having two Pst I cleavage sites in its DNA chain and a molecular weight of 2.9&#b1;0.05 Md, is incorporated into a vehicle capable of re... | 08/29/1989 |
| 4861023 | Leg muscle exercise device and method An exercise device for muscle conditioning of an individual in an upright position, which includes a frame having a first and second rail, a first and second pedal stem connected to said first and second rail, respectively; a pedal connected to an end por... | 08/29/1989 |
| 4862504 | Speech synthesis system of rule-synthesis type In order to generate a series of speech parameters from a series of phonemic symbols extracted from a series of input characters, parameters for given syllables or phonemes are read from corresponding parameter files according to the types of immediately ... | 08/29/1989 |
| 4859569 | Optical recording medium An optical recording medium comprising practically a naphthalocyanine dye represented by the following general formula (I): ##STR1## wherein M means a metal, metal oxide or metal halide, and --OR1, --OR2, --OR3 and --... | 08/22/1989 |
| 4858721 | Acoustic panel for sound insulating linings of gas ducts A sound insulating lining for a gas flow path, particularly the bypass flow ath in a jet engine, is made up of a succession of acoustic panels including a perforated skin bonded to a stiffening frame, and a cellular structure formed by a ribbed skin clampe... | 08/22/1989 |
| 4859520 | Monolithic substrate for an electronic power component and process for the production thereof The invention concerns a monolithic substrate for an electronic power component which is formed by a sintered stack of layers of dielectric material having an internal system of ducts for the circulation of a cooling fluid. The system is a closed system w... | 08/22/1989 |
| 4858228 | Communication system employing multi-conjunction architecture A communication system employing a multi-conjunction architecture has a supervising circuit for supervising whether or not a returning signal is received from a destination terminal device in response to a sending signal. When no returning signal is detec... | 08/15/1989 |
| 4857634 | Peptides useful in vaccination against enteroviruses A synthetic peptide, suitable for use in vaccination against or diagnosis of a disease caused by an enterovirus and especially by a poliovirus, is the peptide coded for by codons 286-290 in the RNA sequence coding for the structural capsid protein VP1 of ... | 08/15/1989 |
| 4857322 | Wood preservative Wood preservatives based on a copper compound and an aliphatic carboxylic acid and additionally containing a polyamine, and a method for preserving wood with these preservatives.... | 08/15/1989 |
| 4854121 | Combined cycle power plant capable of controlling water level in boiler drum of power plant A combined cycle power plant capable of controlling a water level of a boiler drum of the power plant generally comprises a gas turbine system, a system turbine system, and a waste heat recovery system which are thermally linked with a feed water supply l... | 08/08/1989 |
| 4855372 | Method of preparing pulverulent olefin-maleic anhydride copolymers A method for preparing pulverulent olefin-maleic anhydride copolymers from concentrated solutions of olefins and maleic anhydride in organic solvents, by radical polymerization in the presence of dispersants.... | 08/08/1989 |
| 4853299 | Silicon carbide sintered body and method of manufacturing the same A silicon carbide sintered body containing not less than 0.03% by weight of boron, a total of not more than 0.3% by weight of metallic element impurities including the boron, not more than 1.0% by weight of free carbon, a total of not more than 0.15% by w... | 08/01/1989 |
| 4853284 | Mechanical part A mechanical part brought into contact with a member selected from the group consisting of paper, rubber, plastics, resin, ceramics, and metal, comprises a substrate of an iron series metal and a surface layer formed on a surface of the substrate and cont... | 08/01/1989 |
| 4852828 | Device to brake the unfolding of a fin and guided missile fitted with a device of this type The device of the invention provides for the substantially constant unfolding of unfoldable fins on a guided missile without damaging the bearing structure or the fin itself. The device comprises a deformation part placed around a bearing neck that is joi... | 08/01/1989 |
| 4850091 | Method of replacing a machine part In a method of replacing a machine part (5a, 5b) of a machine installation whose essential interconnected machine parts are arranged on a common base plate (7) which is secured in the ground by individual supports (8), a purpose-built base plate (7b) is p... | 07/25/1989 |
| 4851107 | Process for the hydrogenation of heavy and residual oils A process for the hydrogenation of heavy oils, residual oils, waste oils, used oils, shell oils, and tar sand oils by hydrogenating a slurry of the oil at a partial hydrogen pressure of 50-300 bar, a temperature of 250°-500° C., a space velocity of 0.1-... | 07/25/1989 |
| 4852033 | Portable apparatus A portable apparatus includes a display device coupled to a housing by means of a hinge mechanism. The display device can be closed such that it is laid on the upper surface of the housing. The portable apparatus comprises a cable-protecting member. This ... | 07/25/1989 |
| 4848050 | Foundation for wooden buildings and construction method thereof A foundation for a wooden building and a method of constructing the foundation are disclosed, which foundation comprises (a) a concrete foundation footing supporting foundation walls thereon, which foundation walls support the outer walls and inner walls ... | 07/18/1989 |
