...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 5955463 | Quinazoline thymidylate synthase inhibitors The invention relates to quinazoline derivatives or pharceutically-acceptable salts thereof, which possess anti-tumor activity; to processes for their manufacture; and to pharmaceutical compositions containing them. The invention provides a quinazoline of... | 09/21/1999 |
| 5888549 | Coffee and process for the production thereof Roasted coffee with an increased chlorogenic acid content of more than 2.8% by weight or instant coffee powder with an increased chlorogenic acid content of more than 8.5% by weight have a better compatibility. The increased chlorogenic acid content is ac... | 03/30/1999 |
| 5665246 | Catalyzed hypochlorite decomposition process A process wherein a particulate catalyst, which is disposed in at least two serially connected beds, is contacted by a hypochlorite containing liquid to decompose the hypochlorite and evolve oxygen is improved by arranging that the liquid flows in a direc... | 09/09/1997 |
| 5663975 | Multi-beam semiconductor laser with separated contacts characterized by semiconductor mixed crystal and active layer This semiconductor laser includes resistors as heating means through insulation films for generating pre-heat of substantially the same calorie as oscillation heat generated when the laser resonator are driven. When the light emitting regions as the light... | 09/02/1997 |
| 5662881 | Apparatus and method for the production of active magnesium hydroxide Coarse light burned magnesia is comminuted in the wet state with a wet-pulverizer and hydrated in the presence of an alkaline aqueous medium at an elevated temperature of not less than 70° C., the resultant pulverizate is classified into fine and coarse ... | 09/02/1997 |
| 5656337 | Method of forming a dielectric layer A deposition rate of a dielectric material is varied with the electrical polarity of an underlying layer to obtain excellent deposition and planarization characteristics. A conductive layer and the underlying dielectric are surface-treated to have differe... | 08/12/1997 |
| 5654266 | Composition for tissues to sustain viability and biological functions in surgery and storage A composition composing ketone bodies and/or precursors thereof and an aqueous phosphate-buffered balanced salt solution with citrate, HPO4-2 and Ca2+ in a defined concentration ratio, and methods, including a mechanism an... | 08/05/1997 |
| 5652741 | Data storage apparatus having data and parity media There is provided a disk array apparatus designed to realize high-speed recovery processing in occurrence of an error while preventing a reduction in total storage capacity due to the use of parity disks. A disk with a high access frequency is set in a gr... | 07/29/1997 |
| 5648245 | Method for constructing an oligonucleotide concatamer library by rolling circle replication An in vitro method for constructing an oligonucleotide concatamer library is revealed. The method has four steps. The first step involves the generation of a primer-bridged circular template oligonucleotide. In the second step, the primer-bridged circular... | 07/15/1997 |
| 5641671 | Production of active Pseudomonas glumae lipase in homologous or heterologous hosts The production of an active Pseudomonas glumae lipase isolated from P. glumae PG1 (CBS 322.89) and other lipases suitable for application in detergent systems is described in homologous, but particularly in heterologous hosts, e.g. Bacillus subtilis. For ... | 06/24/1997 |
| 5642101 | Control apparatus for use in a dwelling A controller that operates using two different processors is provided. Each processor performs certain predetermined functions. A control processor is responsible for switching AC power distribution and control, while a message processors is responsible f... | 06/24/1997 |
| 5637963 | Electrodeless lamp having a narrow gap between a sealed tube and the arc chamber so as to form a consistent cold spot An electrodeless high intensity discharge lamp has a light transmissive ceramic arc tube for containing a discharge sustaining medium and a hollow tube member. An excitation coil for causing an arc discharge is situated about the arc tube. The ceramic arc... | 06/10/1997 |
| 5632357 | Combined stairs and person hoist A combined stairway and hoist so constructed that it can be adapted in many fields of use, especially for handicapped people in buildings and public transportation. The stairway together with the platform can be raised and lowered by means of parallel sta... | 05/27/1997 |
| 5633872 | Interactive radio A network hub switching center routes communications from and to a plurality of RTUs. CTSs transmit data to the RTUs dispersed over a predetermined CTS geographic area and the RTUs present multiplexed digital data which is synchronously related to the CTS... | 05/27/1997 |
| 5633152 | Method of controlling viral growth The present invention relates to a method of specifically inhibiting the growth of a virus, particularly an animal virus, in a permissive host cell comprising introducing into the host cell a virus-related gene encoding a product capable of interacting wi... | 05/27/1997 |
| 5634029 | Apparatus for interchanging floppy diskette drive assignments A floppy diskette drive assignment interchanging apparatus for interchanging the drive letter assignments in a computer system is disclosed. The floppy diskette drives have a drive data cable that includes a number of data lines. The interchanging apparat... | 05/27/1997 |
| 5630399 | Fuel injection system with employing vane type fuel pump A fuel injection system includes a vane-type fuel pump. The fuel pump has a first bypass passage with a first pressure relief valve for relieving pressurized fuel from a discharge passage downstream of a check valve to the discharge passage upstream of th... | 05/20/1997 |
| 5628944 | Method and apparatus for molding two-color polyurethane parts by RIM Provided is a method of making a multi-property polyurethane part by RIM having a surface layer and an interior layer. The surface layer and the interior layer have different properties. The pressure in the cavity of the mold is reduced and a surface form... | 05/13/1997 |
| 5624816 | Transmembrane glycoprotein ASGP-2: nucleotide sequences and recombinant production of proteins The present invention relates, in general, to a glycoprotein that is a member of the epidermal growth factor superfamily ASGP-2. In particular, the present invention relates to a DNA segment encoding the glycoprotein; to a recombinant DNA molecule contain... | 04/29/1997 |
| 5620527 | Cleansing and disinfecting method A cleansing and disinfecting composition comprising an alkaline per-salt and a positively charged phase-transfer agent. The composition preferably also contains a surfactant. The alkaline per-salt is an alkaline water-soluble salt having hydrogen peroxide... | 04/15/1997 |
| 5617481 | Address reading apparatus and address printing apparatus using mail address position mark This invention is a mail address reading apparatus including a circuit for detecting image data of a mail, a circuit for detecting marks indicating the position of an address area from the image data, and a circuit for specifying the address area of the i... | 04/01/1997 |
| 5612367 | Method of enhancing bioavailability of pharmaceutical agents The invention provides a pharmaceutical composition comprising a particular physical form of N-[4-[5-(cyclopentyloxycarbonyl)amino-1-methylindol-3-yl-methyl]-3-methoxy benzoyl]-2-methylbenzenesulphonamide and polyvinylpyrrolidone. It also provides met... | 03/18/1997 |
| 5610268 | Dendritic macromolecule and the preparation thereof The invention relates to a dendritic macromolecule comprising a core and branches emanating from the core wherein the branches are based on vinyl cyanide and/or fumaryl dinatrile units. The invention also relates to processes for preparing these dendritic... | 03/11/1997 |
| 5599664 | Method for characterizing polymer molecules or the like A method for observing and determining the size of individual particles and for determining the weight distribution of a sample containing particles of varying size, which involves placing a deformable or nondeformable particle in a medium, subjecting the... | 02/04/1997 |
| 5598701 | Frangible connection for a thrust reverser for a ducted fan gas turbine A ducted fan gas turbine engine is provided with a thrust reverser which comprises doors which deflect the fan exchaust efflux. Each door is pivotably attached at its downstream end to a common support member by a frangible coupling. In the event of an un... | 02/04/1997 |
| 5600472 | Distortion generating circuit A distortion generating circuit of the present invention comprises a linear attenuator which has an input impedance substantially coincident with an impedance of a transmission path of input signal and an output impedance substantially coincident with an ... | 02/04/1997 |
| 5598270 | Sensor device and position determination process and their use for the control of an insertion robot The sensor device includes a planar code carrier on one object, and on another object, a scanning device for an angle of view for determining a viewing direction lying therein, and also a computing circuit. A photodetector detects an illumination density ... | 01/28/1997 |
| 5598055 | Deflection device for use in a color cathode-ray tube A deflection device for use in a color cathode-ray tube, which has a pair of horizontal deflection coils for generating a pincushion-shaped horizontal deflection magnetic field, a pair of vertical deflection coils for generating a barrel-shaped vertical d... | 01/28/1997 |
| 5597998 | Recording medium using reversible recording material and method of processing record to recording medium A data storing medium comprising a substrate, a first display portion, provided on the substrate, for displaying predetermined data, the first display portion having a first recording material storing data by first recording energy and erasing stored data... | 01/28/1997 |
| 5597801 | Biocidal proteins Biocidal proteins capable of isolation from seeds have been characterized. The proteins have an amino acid sequence containing the common cysteine/glycine domain of Chitin-binding Plant Proteins but show substantially better activity against pathogenic fu... | 01/28/1997 |
| 5597570 | Protein recognized by antibodies raised against native P28 of schistosoma mansoni The present invention relates to the development of a vaccine against schistosomiasis. It relates to a protein which includes the epitopes of the p28 protein, a poxvirus containing a gene coding for the said protein, a cell incorporating a vector for the ... | 01/28/1997 |
| 5597763 | Method for manufacturing a semiconductor wiring structure including a self-aligned contact hole In a highly integrated semiconductor wiring structure having a plurality of wiring layers and a self-aligned contact hole formed therebetween, the wiring layer is formed such that a portion where a contact hole will be formed is formed to a first wiring w... | 01/28/1997 |
| 5595693 | Method for automatically setting injection molding speed condition in injection molding machine A reference pressure of melted material injected to a mold cavity of a mold is set as a function of injection passing time from a start of an injecting process or a function of a distance of movement of an injection plunger, and the movement of the plunge... | 01/21/1997 |
| 5595833 | Solid oxide fuel cell stack A solid oxide fuel cell stack comprises a plurality of first modules and a plurality of second modules stacked alternately. Each first module comprises a first distribution member which defines internal passages for the supply of a first reactant to the f... | 01/21/1997 |
| 5596102 | Biocides Compounds having a 5 membered, nitrogen containing ring with a thione group adjacent to a nitrogen atom substituted with an OR group have antimicrobial properties. Metal complexes or salts of these compounds also have antimicrobial properties. The compoun... | 01/21/1997 |
| 5594884 | Cache memory system having a plurality of ports An instruction cache and a data cache are formed with a 2-port structure, the first port of the instruction cache is exclusively used for readout of the contiguous instruction, and the second port thereof is exclusively used for readout of the branched in... | 01/14/1997 |
| 5594695 | Sense amplifier control circuit of semiconductor memory device The present invention relates to a semiconductor memory device having a sense amplifier operated by a given control signal and a sense amplifier driver. A comparator compares the amplified sense amplifier driver with a reference voltage. A comparison outp... | 01/14/1997 |
| 5591675 | Interconnecting method for semiconductor device An interconnecting method for a semiconductor device is disclosed in which a conductive layer containing aluminum is formed on a lower structure formed on a substrate. An insulating layer is formed on the conductive layer. A photoresist pattern for defini... | 01/07/1997 |
| 5590926 | Structure for attachment of weather strip A structure for use in attaching weather stripping to the body along the side of a roof of a vehicle body, and is especially useful around a door opening thereof. A molding that extends along the side of a roof for covering an outside surface of the weath... | 01/07/1997 |
| 5591620 | Methods of detecting and isolating a ripening form of a polypeptide having rhamnogalacturonase activity The invention relates to isolation of an Aspergillus gene encoding rhamnogalacturonase (RG-ase) and the construction of recombinant Aspergillus strains with overexpression of RG-ase. These strains can be used for the commercial production of RG-ase. RG-as... | 01/07/1997 |