Patents Represented by Attorney, Agent or Law Firm Roche Diagnostics Corporation
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Patent number: 6787109Abstract: Analysis system for the analytical investigation of a sample, in particular of a body fluid. It consists of test elements brought into contact, for performing an analysis, with a sample to be investigated, and an evaluation apparatus with a test element support for positioning the test element in a measurement position, as well as a measurement and evaluation electronic device. The measurement and evaluation electronic device of the evaluation apparatus comprises a temperature correction device, in order to take into account the temperature prevailing in the measurement zone during the measurement for the determination of the result of the analysis. The temperature correction unit includes a temperature history imaging device for the currentless tracing of the temperature history before the time of measuring, without consuming electric energy before the time of measuring.Type: GrantFiled: June 29, 2001Date of Patent: September 7, 2004Assignee: Roche Diagnostics CorporationInventors: Hans-Peter Haar, George B. K. Meacham
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Patent number: 6783957Abstract: The method of polypeptide synthesis in eukaryotic or porkaryotic cell-free systems based on a modified verion of synthesis in the continuous flow or continuous exchange modes when, in addition to input into the reaction mixture of components maintaining the synthesis and removal from the reaction mixture of low molecular weight components inhibiting the synthesis, the concentration of at least one of the components selected from the group consisting of Mg2+, K+, NTP, polyamines or their combinations determining the productivity of the synthesis is continuously changed within the given range of concentrations, while the concentrations of the other components are maintained constant.Type: GrantFiled: January 21, 2003Date of Patent: August 31, 2004Assignees: Roche Diagnostics GmbH, Institute of Protein ResearchInventors: Sergey Vladimirovich Biryukov, Peter Nikolaevich Simonenko, Vladimir Anatolievich Shirokov, Alexander Sergeyevich Spirin
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Patent number: 6720417Abstract: A device for isolating nucleic acids which reduces the transfer of contaminants during nucleic acid isolation methods which is composed of two vessels which are linked by a closing element in which a material that binds nucleic acids is placed. The nucleic acid can for example be bound to the material by tipping the device.Type: GrantFiled: July 23, 1999Date of Patent: April 13, 2004Assignee: Roche Diagnostics GmbHInventor: Thomas Walter
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Patent number: 6716640Abstract: The invention concerns the stabilization and amplification of electrochemiluminescence signals in detection methods.Type: GrantFiled: May 11, 2001Date of Patent: April 6, 2004Assignee: Roche Diagnostics GmbHInventors: Gabriele Punzmann, Martin Egger, Hans-Peter Josel
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Patent number: 6682704Abstract: The invention concerns a magazine for storing test elements (1) with one or several test zones (3) which are attached adjacent to one another on a rectangular support, wherein the magazine has at least one pair of guide grooves (18a, b) located opposite to one another into which the test elements are inserted in such a way that they lie directly adjacent to one another and the edges of adjacent supports abut one another. A further subject matter of the invention is a system which comprises a slide (14, 31) in addition to the magazine according to the invention which is used to push a layer of test elements along the guide grooves towards the opposite end of the layer to remove test elements from the magazine.Type: GrantFiled: July 30, 2002Date of Patent: January 27, 2004Assignee: Roche Diagnostics CorporationInventors: Gunter Bottwein, Reinhard Bär, Hans List, Friedrich Heid
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Patent number: 6670173Abstract: A bioreaction module for biochemical reactions, in particular for cell-free polypeptide biosynthesis, having a housing (1) including a system chamber (12) and a supply chamber (10), wherein the system chamber (12) contains a producing system during the biochemical reaction and the supply chamber (10) contains a supply liquid during the biochemical reaction, and the system chamber (12) and the supply chamber (10) are separated by a semi-permeable membrane (7). The housing (1) comprises a system chamber element (5) and at least one supply chamber element (3) between which the semi-permeable membrane (7) is mounted in such a manner that the system chamber (12) is defined by the system chamber element (5) and the semi-permeable membrane (7) and the supply chamber (10) is defined by the supply chamber element (3) and the semi-permeable membrane (7).Type: GrantFiled: July 26, 2001Date of Patent: December 30, 2003Assignee: Roche Diagnostics GmbHInventors: Hans Schels, Horst Menzler, Ulrike Fischer
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Patent number: 6653456Abstract: A method of making a derivatized aminoglycoside includes reacting an aminoglycoside with at least 2 equivalents of a divalent metal ion in an aprotic solvent to complex two neighboring amino group and hydroxyl group pairs; reacting the non-complexed amino groups with a protecting reagent to provide protecting groups; removing the divalent metal ion to provide two unprotected amino groups; reacting one of the unprotected amino groups with a reactive substance containing an linker, a carrier, or a label; and removing the protecting groups. This method can be used to produce novel compounds and reagents.Type: GrantFiled: July 31, 2001Date of Patent: November 25, 2003Assignee: Roche Diagnostics CorporationInventors: Mitali Ghoshal, Salvatore J. Salamone
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Patent number: 6645732Abstract: The invention concerns a method for the determination of antigen-specific antibodies of the immunoglobulin G class in the presence of immunoglobulins of the M class in body fluids by incubation with at least two different receptors R1 and R2 and optionally additional receptors, an essential component of R2 being a binding partner in monomeric form, a reagent for determining an antigen-specific antibody of the immunoglobulin G class as well as the use of binding partners in monomeric form for the determination of an antigen-specific antibody of the immunoglobulin G class.Type: GrantFiled: November 8, 1999Date of Patent: November 11, 2003Assignee: Roche Diagnostics GmbHInventors: Elke Faatz, Urban Schmitt
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Patent number: 6635420Abstract: The invention concerns a method for the purification of a target substance from a biological sample by immobilizing the target substance on a solid phase by means of a high affinity binding pair and subsequently eluting it by adding a partner of the binding pair in a free form. In addition reagent kits for carrying out the method are disclosed.Type: GrantFiled: October 13, 2000Date of Patent: October 21, 2003Assignee: Roche Diagnostics GmbHInventors: Wolfgang Hosel, Helmut Lenz, Jochen Peter
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Patent number: 6552199Abstract: The subject matter of the invention are new xanthene derivatives of the formula I, wherein R1,R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, and X, Y, are as defined herein. The compounds according to the invention provide molecules that are—due to their spectral properties (absorption maxima in the range of approx. 650 nm and above as well as emission maxima above 670 nm)—very suitable for the use as dyes and in particular as fluorescence dyes. The compounds of the formula I according to the invention are used for the production of fluorescence conjugates, for their application in immunoassays, for DNA analytics, for in-vivo diagnostics or as a laser dye.Type: GrantFiled: May 11, 2000Date of Patent: April 22, 2003Assignee: Roche Diagnostics GmbHInventors: Ewald Daltrozzo, Alexander Reiss
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Patent number: 6537496Abstract: A flat-shaped functional overlay for at least one region of a flat-shaped flexible object which does not form a fold when the sandwich composed of the flexible object and overlay is bent towards the side on which the overlay is located is described. The overlay is composed of one or several flat-shaped overlays which are attached to the flexible object in such a way that a part of their surface can move freely relative to the surface of the object covered by this part in the direction of curvature produced when the object is bent. In addition diagnostic test strips are described which have such an overlay.Type: GrantFiled: October 22, 1999Date of Patent: March 25, 2003Assignee: Roche Diagnostics GmbHInventors: Wolfgang-Reinhold Knappe, Helmut Leininger, Ralf Steinbrueck, Franz Wittmann
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Patent number: 6534325Abstract: The present invention provides an immunoassay method for the highly sensitive detection of amphetamines, methamphetamines, and methylenedioxy designer amphetamines in urine samples. Commercially available reagents for the determination of amphetamines and methamphetamines are used with a calibrator comprising a known amount of a substance selected from the group consisting of methylenedioxy designer amphetamines.Type: GrantFiled: June 30, 2000Date of Patent: March 18, 2003Assignee: Roche Diagnostics CorporationInventors: Alan J. McNally, Huiru Zhao, Krystyna Goc-Szkutnicka
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Patent number: 6534017Abstract: The invention concerns a magazine for storing test elements (1) with one or several test zones (3) which are attached adjacent to one another on a rectangular support, wherein the magazine has at least one pair of guide grooves (18a, b) located opposite to one another into which the test elements are inserted in such a way that they lie directly adjacent to one another and the edges of adjacent supports abut one another. A further subject matter of the invention is a system which comprises a slide (14, 31) in addition to the magazine according to the invention which is used to push a layer of test elements along the guide grooves towards the opposite end of the layer to remove test elements from the magazine.Type: GrantFiled: May 26, 2000Date of Patent: March 18, 2003Assignee: Roche Diagnostics GmbHInventors: Gunter Bottwein, Reinhard Bär, Hans List, Friedrich Heid
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Patent number: 6524808Abstract: The present invention provides a method for the measurement of an analyte in biological samples whereby an uncompetitive inhibitor is coupled to a ligand and utilized in a homogeneous assay. The analyte can be a drug or drug derivative, hormone, polypeptide, or oligonucleotide. The present invention also provides novel compounds, assay reagents and packaged kits useful for performing such measurements.Type: GrantFiled: June 26, 2000Date of Patent: February 25, 2003Assignee: Roche Diagnostics CorporationInventors: Allan R. Dorn, Salvatore J. Salamone, Mitali Ghoshal, Eva Hoess, Erasmus Huber, Ronald C. Hawley, John W. Patterson
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Patent number: 6518058Abstract: The present invention provides a method for synthesis polypeptides in a cell-free system by which products of synthesis are branched in a low molecular weight fraction and a fraction which contains high molecular weight components with the target polypeptide, the main part of the low molecular weight fraction is removed via at least one part of the second porous barrier, the ratio of the volume of the fractions of feed solution and expendable components to the volume of the fraction containing the target polypeptide is chosen, modes of supply of the feed solution and expendable components of the fraction are realized.Type: GrantFiled: April 23, 2001Date of Patent: February 11, 2003Assignee: Roche Diagnostics GmbHInventors: Sergey Vladimirovich Biryukov, Peter Nikolayevich Simonenko, Vladimir Anatolievich Shirokov, Sergey Gennadievich Mayorov, Alexander Sergeyevich Spirin
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Patent number: 6489129Abstract: The invention concerns a method for the determination of antigen-specific antibodies of the immunoglobulin M class in the presence of immunoglobulins of the G class and/or rheumatoid factors in body fluids by incubation with at least two different receptors R1 and R2 and optionally additional receptors wherein an essential component of R2 is a binding partner in a polymeric form and interference by IgG antibodies of the same antigen specificity is reduced by binding partners in a monomeric form; a reagent for determining an antigen-specific antibody of the immunoglobulin M class, as well as the use of binding partners in a monomeric form to reduce interference by IgG antibodies in the determination of antigen-specific IgM antibodies.Type: GrantFiled: November 15, 1999Date of Patent: December 3, 2002Assignee: Roche Diagnostics GmbHInventors: Elke Faatz, Urban Schmitt, Beatus Ofenloch-Hahnle
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Patent number: 6475764Abstract: A polypeptide with the properties of collagenase class I from Clostridium histolyticum (CHC I) and the amino acid sequence SEQ ID NO:2 which is optionally N-terminally extended by one or several amino acids of the sequence SEQ ID NO:3 is advantageously suitable for the isolation of cells from mammalian tissue and human tissue.Type: GrantFiled: September 9, 1999Date of Patent: November 5, 2002Assignee: Roche Diagnostics GmbHInventors: Helmut Burtscher, Dorothee Ambrosius, Friederike Hesse
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Patent number: 6455001Abstract: A skeleton-free functional layer of high precision which contains a wetting agent of formula I, II and/or III R1—CO—N(R2)—CH2—COOMe (I) R1—CO—N(R2)—CH2—CH2—SO3Me (II) HO2C—CH2—CH2—CH(NH—COR1)—CO2Me (III) in which R1 is a long-chained aliphatic residue, R2 is an alkyl residue with 1 to 8 C atoms and Me represents hydrogen or a metal atom, a diagnostic test strip having this functional layer as well as processes for the production of these objects are described.Type: GrantFiled: October 22, 1999Date of Patent: September 24, 2002Assignee: Roche Diagnostics GmbHInventors: Wolfgang-Reinhold Knappe, Dan Mosoiu
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Patent number: D471280Type: GrantFiled: December 21, 2001Date of Patent: March 4, 2003Assignee: Roche Diagnostics CorporationInventor: Thomas Jaeck
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Patent number: D493536Type: GrantFiled: November 13, 2002Date of Patent: July 27, 2004Assignee: Roche Diagnostics CorporationInventors: Thomas Jaeck, Alexa Nagel, Bernd Eisenbarth, Maria van Gelder, Silke Vogt, James West, Craig Wightman