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| Number | Title | Issue Date |
| 6036995 | Method for removal of surface layers of metallic coatings A method for removing surface layers of a metal coating is disclosed. The method comprises applying an aluminum containing slurry to the surface of the metal coating, melting and diffusing the aluminum to form an aluminide layer within the surface of the ... | 03/14/2000 |
| 6025093 | Lithium ion cell The invention relates to a lithium ion cell, comprising a positive electrode which contains a chalkogen compound, containing lithium, of a transition metal, a non-aqueous electrolyte and a negative electrode which is separator-isolated and contains carbon... | 02/15/2000 |
| 6015292 | Dental reamers and process for manufacturing same Dental reamers are manufactured from a cylindrical metallic blank (e.g., made of a nickel-titanium alloy) that is moved at a feed speed VA past a rotary grinding wheel whose disk, of variable diameter, determines a linear speed VL at... | 01/18/2000 |
| 6013470 | Family of mammalian potassium channels, their cloning and their use especially for the screening of drugs The present invention relates to the cloning of a member of a new potassium channel named TWIK-1. More specifically, it relates to an isolated and purified nucleic acid molecule coding for a protein constituting a potassium channel exhibiting the properti... | 01/11/2000 |
| 5985454 | Anti-fouling coating for turbomachinery Multilayered coatings comprising a sacrificial primer layer, a non-sacrificial second layer, and a polymer topcoat are disclosed.... | 11/16/1999 |
| 5984483 | Dual state mirror assembly A dual state mirror assembly for use with motor vehicles includes a housing having an open front for receiving an outer substrate to form an enclosure. The outer substrate has a surface coated with a thin metal film to act as a beam splitter. An inner sub... | 11/16/1999 |
| 5981280 | Method and constructs for inhibiting protein expression in bacteria A method of inhibiting the translation of bacterial mRNA is disclosed, which method comprises overexpressing in a bacterium an mRNA which contains a sequence which is complementary to the anti-downstream box region of the 16S rRNA. RNA and DNA constructs ... | 11/09/1999 |
| 5975899 | Dental reamer The present invention relates to a dental reamer (2) which tapers right down to its tip (1), of the type including helical slits which, on their sides, have cutting lips for boring out dental canals, in which the characteristics of the cutting conditions ... | 11/02/1999 |
| 5976892 | Method and apparatus for counting cells and microorganisms, particularly in food and biological fluids A method for counting cells and microorganisms in a fluid medium, particularly in food and biological fluids, by labelling with a colored or fluorescent label which selectively labels the microorganisms and cells to be detected, and counting the labelled ... | 11/02/1999 |
| 5974303 | Locking mechanism for battery housings A battery housing for an electrical device, such as a portable telephone, has a locking mechanism that locks the battery housing in place onto the housing of the portable device. The locking mechanism has a locking finger that is inserted into an opening ... | 10/26/1999 |
| 5968734 | Nucleic acid corresponding to a gene of chromosome 22 involved in recurrent chromosomal translocations associated with the development of cancerous tumors, and nucleic acids of fusion resulting from said translocations Translocations of chromosome 22 are associated with various cancers. Hybrid DNA sequences, having a portion of the Ews gene of chromosome 22 and a portion of either the Hum-Fli-1 gene of chromosome 11, the Erg gene of chromosome 21, or the Atf-1 gene of c... | 10/19/1999 |
| 5955174 | Composite of pleated and nonwoven webs A web or film is electrostatically charged by sequentially subjecting the web or film to a series of electric fields such that adjacent electric fields have substantially opposite polarities. Both a method and apparatus are disclosed for charging the web ... | 09/21/1999 |
| 5938854 | Method and apparatus for cleaning surfaces with a glow discharge plasma at one atmosphere of pressure The surface of a workpiece is cleaned by generating a steady-state one atmosphere glow discharge plasma above the surface of the workpiece. The use of one atmosphere, uniform glow discharge plasmas generated by a low frequency RF ion trapping mechanisms i... | 08/17/1999 |
| 5932479 | Genetic engineering of plant chloroplasts Methods for the transformation of etioplasts and of chloroplasts are disclosed. One method comprises incubating isolated etioplasts with a chelating agent to bind metal ions on which chloroplast nucleases are dependent and incubating the resultant nucleas... | 08/03/1999 |
| 5928456 | Method for irreversibly transferring a diffraction grating, transfer film and device therefor The present invention relates to a procedure for irreversibly transferring a diffraction grating, such as a stamped hologram, onto a substrate, such as a document or a product to be secured, which procedure consists of preparing a transfer film consisting... | 07/27/1999 |
| 5922130 | Spray booth for applying coatings to substrate A spray booth includes an outer enclosure in which the temperature and humidity of a fluid (such as air) is not controlled and a fluid handling unit within this enclosure, which circulates and controls the temperature and humidity of a smaller volume of t... | 07/13/1999 |
| 5922409 | Method for forming a coating substantially free of deleterious refractory elements on a nickel- and chromium-based superalloy The oxidation and corrosion resistance of a nickel-base alloy are enhanced by a process which includes first enriching the surface of an alloy substrate with platinum, as by electrolytic deposition, and then simultaneously diffusing aluminum and silicon f... | 07/13/1999 |
| 5919588 | Cathode additive for alkaline primary cells The invention relates to alkaline primary cells comprising a zinc gel as the anode material, an aqueous alkaline electrolyte, a separator and a cathode material containing manganese dioxide, wherein the cathode material comprises 0.1-5% by weight of alkal... | 07/06/1999 |
| 5909986 | Boring head with simultaneous clamping The boring head has a fine movement mechanism for the tool support and a counterweight mounted in the tool body. In order to compensate for imbalance during the adjustment of the cutting tool, the counterweight is moved automatically in the opposite direc... | 06/08/1999 |
| 5910368 | Nonwoven hydrophilic based on polylactides The invention relates to a nonwoven based on thermoplastic filaments, wherein all the filaments of which it is composed are completely manufactured from a polymer or from a blend of polymers derived from lactic acid, said nonwoven being permanently hydrop... | 06/08/1999 |
| 5902078 | Boring head with imbalance compensation In the tool body (2), a tool support (4) for a cutting-plate holder (6) is mounted capable of fine radial movements. To compensate for imbalance, a balancing device (30) is provided which has at least two weight bodies (20, 21) movable in opposite circumf... | 05/11/1999 |
| 5897318 | Sleeve for a rotary dental instrument The sleeve has a cylindrical metal tube with a plastic core. The metal tube has one or more grooves on the inner surface of the tube that run along at least a portion of the length of the tube. The plastic core fills the annular space between the metal tu... | 04/27/1999 |
| 5876663 | Sterilization of liquids using plasma glow discharge A method and apparatus are disclosed for sterilization of liquids using a steady-stage glow discharge apparatus, at one atmosphere.... | 03/02/1999 |
| 5873719 | Dental reamer A dental reamer having one or more cutting sections and one or more spiral grooves. The dental reamer has at least one cutting edge having a cutting point, characterized in that a tangent to the cutting point tends to superimpose itself on a tangent to a ... | 02/23/1999 |
| 5871632 | Controlled and regulated conveying of flowable media with a gas evolution cell and a flow multiplier Process and apparatus for conveying flowing substances with the aid of an electrochemical gas evolution cell whose cell current generates primarily a gas volume flow which secondarily causes the volume flow of a decomposer liquid into a catalytic decompos... | 02/16/1999 |
| 5871836 | Composite pleated fibrous structures containing split film fibers A novel pleated fibrous structure is disclosed, which fibrous structure comprises a layer of a pleated split fiber film. The layer of split fiber film may be electrostatically charged. The pleated split fiber film may be part of a composite fibrous struct... | 02/16/1999 |
| 5858061 | Process for the recovery of metals from used nickel/metal hydride storage batteries In the recycling of used nickel/metal hydride storage batteries, the battery scrap is dissolved in sulphuric acid after mechanical separation of the coarse constituents by magnetic and air separation. A solvent extraction is performed with the digestion s... | 01/12/1999 |
| 5857811 | Connection between a cutter holder and a tool carrier of an internal-turning head For the purpose of rigid connection of the cutter holder (9) to the tool carrier (5), the tool carrier (5) has a driving key (11) on its end side, which driving key is inserted into a corresponding transverse groove (13). The driving key (11) has a specif... | 01/12/1999 |
| 5845855 | Mechanical grinding apparatus A mechanical grinding apparatus of the present invention, which includes a rotor supported by a rotary shaft and having a plurality of grooves defined on the outer peripheral surface thereof and a liner inserted to the outside of the rotor so as to form a... | 12/08/1998 |
| 5843990 | Pyran-chromenone compounds, their synthesis and anti-HIV activity The invention relates to pyran-chromenone compounds, their synthesis and anti-HIV activity. Methods of synthesis are disclosed; the compounds have activity against reverse transcriptase. Biological compositions containing the compounds and method of treat... | 12/01/1998 |
| 5816808 | Instrument for periodontic treatment and related method The invention relates to an instrument for periodontal treatment, consisting of a connection piece (4) and of a blade (1), wherein said blade (1) has an abrasive part exhibiting two sectors (10, 11) distributed along the blade, and each situated on opposi... | 10/06/1998 |
| 5807387 | Optical designation device especially for microsurgical operations Optical designating device, especially for use in microsurgery, comprising a tool-carrier stage (2) integral with the optical instrument (1), supporting at least one light source (4, 5) for emitting a light beam (6, 7), said light source (4, 5) being offs... | 09/15/1998 |
| 5808776 | Process for realization of an optically variable image Method for the production of an optically variable image including an animated element used as the model for the reproduction of a security element, by insolation of a light-sensitive material through two coherent light beams. The image is broken down int... | 09/15/1998 |
| 5800947 | Gastight, sealed alkaline storage battery in the form of a button cell A Ni/Cd or Ni/hydride storage battery of the button cell type has a positive electrode tablet based on a nickel hydroxide powder having an active mass comprised of spherical particles with a high pycnometric density (d>3.5 g/cm3). In contrast t... | 09/01/1998 |
| 5797883 | Medical device for removal or injection of biological material by remote control A device for sampling biological materials having a tube having a front segment and rear segment, wherein the outer diameter of the front segment is smaller than the outer diameter of the rear segment. The inner diameter of the front segment is smaller th... | 08/25/1998 |
| 5797747 | Method for using endodontic instrument fitted on a vibrating hand-piece The invention relates to an endodontic instrument which can be fitted on a vibratory handpiece (1) for the treatment of a tooth canal or the retreatment thereof, wherein it is made up of a rigid proximal portion constituting the sleeve which allows it to ... | 08/25/1998 |
| 5795659 | Aluminide-silicide coatings coated products An improved aluminide coating especially for heat resistant superalloy substrates. Slurry coating compositions of eutectic metal alloy powders and of non-eutectic metal powders. A process for coating the substrates and the coated metal parts. The coatings... | 08/18/1998 |
| 5786108 | Electrochemical cell A prismatic electrochemical cell includes electrode plate blocks in which the stacked positive and negative electrode plates are separated by separators and are connected by current conductors to the corresponding terminal posts by crimping current conduc... | 07/28/1998 |
| 5766567 | Method for desulphurising a gaseous mixture containing H2 S and SO.sub . A single-stage low temperature catalytic process for desulphurisation of a gas which contains a mixture of H2 S and SO2 which process includes feeding the gas to be treated at a temperature below the dew point of sulphur to a Claus c... | 06/16/1998 |
| 5766798 | Prismatic galvanic cell having a current topping lug A prismatic galvanic cell having a large number of electrode pairs separated by separators is provided with electrode plates having current tapping lugs which extend from upper or lateral edges of the plates, and which include flexible tongues extending a... | 06/16/1998 |
