Bizarre Patents
A simulation environment for the sport of boxing utilizing a robotic machine interface system which carries a person
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 5180677 | Lysing reagent for leukocyte differentiation method A lysing reagent is employed for stromatolysing the red cells in a blood sample and differentiating the leukocytes into subpopulations. The lysing reagent contains a dodecyltrimethylammonium halide and an aromatic second cationic agent which is either a b... | 01/19/1993 |
| 5124659 | Measurement of pH and specific ion concentration A microprocessor-controlled pH and ion concentration meter is disclosed with improved testing procedures. The meter can be tested for excessive internal bias current by measuring the potential (V1) when the meter is connected to a circuit a known voltage ... | 06/23/1992 |
| 5070023 | Aqueous ferrioxalate compositions useful as calibrants Aqueous acidic ferrioxalate compositions are disclosed for use as calibrants of pCO2 and of PO2 after photodecomposition. Compositions with high iron(III) to oxalate molar ratios (e.g., 5:1 to 100:1 with 0.3 to 15 millimolar oxalate) produce carbon dioxid... | 12/03/1991 |
| 5061631 | Method, apparatus and solution for calibration of partial pressure value Electrodes for the measurement of pCO2 and/or pO2 are calibrated with an exposed aliquot of a calibration liquid. A constituent such as a ferrioxalate salt in the calibration liquid is converted to the gas in a reproducible concentration by exposure of th... | 10/29/1991 |
| 5023187 | Method and device for accelerated treatment of thin sample on surface A thin sample on a surface such as a tissue specimen on a microscope slide is exposed to treatment liquid such as a stain, antibody of nucleic acid probe. The treatment is accelerated by exposing the treatment liquid on the surface to infrared radiation. ... | 06/11/1991 |
| 5002736 | Microscope slide and slide assembly Two rectangular slides having front and rear faces are held with front faces facing each other. Raised end portions on one or both front faces abut and space the front faces by a distance (e.g., 100 to 250 μm) conducive for reversible capillary action be... | 03/26/1991 |
| 4980538 | Heating and temperature-control device for biological sample containers A heating and temperature-control device for biological sample containers includes an assembly of lamps emitting infrared radiation within a wavelength of 1-5.5 micrometers and heating said containers by irradiation, and a sensor for infrared radiation of... | 12/25/1990 |
| 4975250 | Aligned slideholder and assembly A slideholder device contains a handle portion, a rigid thermoplastic body portion and a plurality of metal clip structures. Each clip structure is received within one of the recesses formed along the interior of a sidewall of the body portion. The body p... | 12/04/1990 |
| 4966670 | Electrochemical cell for measuring ionic activity in a solution and its method of use An electrochemical cell for measuring the activity of one or more ionic species such as pNa, pK, pCa, pNH4, pCl etc. consisting of two sensors selective to the actual ionic species, one of which is used as the reference electrode and the other ... | 10/30/1990 |
| 4960692 | Assay employing binding pair members on particles and on a filter or membrane An assay method and kit in which particles bearing a first reagent binding pair member (e.g., anti-digoxin antibody) react with a sample such that analyte binding pair member (e.g., digoxin) binds to the first reagent binding pair member. The reaction mix... | 10/02/1990 |
| 4920976 | Single-use devices for collecting and holding blood samples In a single-use device for collecting and holding blood samples, provision is made for an evacuated tube with a closure (stopper) that can be pierced by the tip of a needle, the other tip of which is intended to be inserted into a vein of a patient. Dispo... | 05/01/1990 |
| 4916061 | Gram staining method and kit The present invention provides Gram staining methods and kits in which conventional aqueous iodine-iodide solutions and separate decolorizer solutions are replaced by storage stable alcoholic solutions of iodine-iodide.... | 04/10/1990 |
| 4912417 | Measurement of pH and specific ion concentration A microprocessor-controlled pH and ion concentration meter is disclosed with improved calibration and testing procedures. For calibration (standardization), the meter stores number pairs (pXa, Ea), (pXb, Eb) whe... | 03/27/1990 |
| 4851331 | Method and kit for polynucleotide assay including primer-dependant DNA polymerase A probe polynucleotide binds to a target nucleotide sequence in the nucleic acid of a biological sample, and then is enzymatically extended in the 3'-direction with a mixture of nucleoside triphosphates including at least one nucleoside triphosphate that ... | 07/25/1989 |
| 4801431 | Slide pair holder and assembly A holder holding in fixed array: (a) a plurality of vertically-extending slides each having a vertically-extending face, (b) a plurality of vertically-extending cover members, each having a vertically-extending face, each face of a vertically-extending slide b... | 01/31/1989 |
| 4798706 | Device for holding horizontal array of liquid aliquots A device for holding a horizontal array of discrete aliquots of treating liquid having, (a) a horizontally-extending rigid base, (b) a horizontally-extending elastomeric member (or coating) on the horizontally-extending rigid base with a substantially planar ... | 01/17/1989 |
| 4795701 | Homogeneous polynucleotide displacement assay method kit and reagent complex An RNA signal strand is displaced from a probe strand by a target nucleotide sequence. Without separation, a digestion enzyme selective for displaced RNA, e.g., a polynucleotide phosphorylase, digests the displaced RNA to nucleoside phosphates including A... | 01/03/1989 |
| 4791067 | Agglutination immunoassay for hapten involving monoclonal antibody of IgA class reagent An assay method and kit for a hapten such as theophylline employs a first, latex reagent and a second, antibody reagent. By using a monoclonal antibody of the IgA class in the second reagent, interference by patient rheumatoid factor is prevented.... | 12/13/1988 |
| 4777020 | Sheetlike object such as microscope slide A sheetlike object with a planar front face, a linear lower edge, a thickness about 0.5-5 mm and a raised pattern on a portion of the front face about 50-500 micrometers forwardly of the front face. For example, a rectangular microscope slide 25 mm wide, ... | 10/11/1988 |
| 4777139 | Hematology control or calibrator with red cell components of enhanced stability Red cells are exposed to an unsaturated aldehyde such as acrolein (propenal) under conditions sufficient to increase the stability of the cells without impairing the ability of a lysing reagent to lyse the cells. After treatment, the treated cells are was... | 10/11/1988 |
| 4777141 | Instrument for measuring coagulation parameters and method of use An instrument for measuring coagulation parameters is provided in which plasma and at least one reagent are mixed by spinning in a cuvette with transparent windows and in which measurement is then made of scatter by the mixture of the energy of a light be... | 10/11/1988 |
| 4770762 | Electrode with sealing assembly and fill hole cover An assembly is shown over the top portion of the outer body 14 of a reference electrode or combination pH/reference electrode. An element 50 such as a turning ring covers the fill hole 16 through the outer body 14. In one position of the element 50, a sea... | 09/13/1988 |
| 4767699 | Diagnostic reagent, kit and method employing polynucleotide displacement, separation, enzymatic cleavage and adenosine phosphate detection A reagent complex is disclosed containing (1) a probe polynucleotide having a target binding region complementary to a target nucleotide sequence and (2) a signal strand polynucleotide bound by base pairing to a portion of the target binding region. The s... | 08/30/1988 |
| 4766064 | Displacement polynucleotide assay employing polyether and diagnostic kit A diagnostic reagent is disclosed containing a complex of a probe polynucleotide (P) bound via purine/pyrimidine hydrogen bonding to a labeled polynucleotide (L). The probe (P) contains a target binding region (TBR) capable of binding to a target nucleoti... | 08/23/1988 |
| 4766062 | Displacement polynucleotide assay method and polynucleotide complex reagent therefor A diagnostic reagent is disclosed containing a complex of a probe polynucleotide (P) bound via purine/pyrimidine hydrogen bonding to a labeled polynucleotide (L). The probe (P) contains a target binding region (TBR) capable of binding to a target nucleoti... | 08/23/1988 |
| 4762799 | Method and device for fluorescence determination of alkali metal cations The concentration of a selected alkali metal cation in an aqueous sample is determined using an aqueous fill solution containing a dissolved polymeric cationic material (e.g., copper--PEI) and a dissolved fluorescent anionic material (e.g., ANS) and, in c... | 08/09/1988 |
| 4741898 | Stabilized stain composition Formulations of a cationic dye component (e.g., Azure A-Azure B-Azure C mixtures), an anionic dye component (e.g., Eosin Y) and an alcohol solvent (e.g., methanol or methanol-glycerol mixtures) are stabilized by an amino acid or its acid addition salt (e.... | 05/03/1988 |
| 4735897 | Method and kit for detecting polyriboadenosine segments and messenger RNA RNA such as messenger RNA is digested to nucleotide phosphates including AMP or ADP. The ATP or a byproduct of the phosphorylation, e.g., pyruvate, is detected. Exemplary enzymes used (with appropriate co-reactants and co-factors) are: (1) polynucleotide ... | 04/05/1988 |
| 4731335 | Method for treating thin samples on a surface employing capillary flow Liquid is applied to a thin sample on a first surface (e.g., a specimen on a microscope slide) by maintaining a second surface parallel to the first to provide a gap therebetween and contacting an edge of the gap with a discrete aliquot of liquid. The liq... | 03/15/1988 |
| 4726683 | Coupling between entraining hub and multi-cuvette rotor for analytical apparatus A coupling arrangement between a hub and multi-cuvette rotor in analytical photometers, wherein the hub has a projection the section of which has a non-revolving profile and to such end comprises at least one rectilinear segment, the rotor designed for sa... | 02/23/1988 |
| 4725536 | Reagent polynucleotide complex with multiple target binding regions, and kit and methods Reagent complexes containing a probe polynucleotide with at least two target binding regions. A labeled polynucleotide is bound to at least a portion of each target binding region. In one method, sample nucleic acid displaces labeled polynucleotide from o... | 02/16/1988 |
| 4725537 | Assay, reagent and kit employing nucleic acid strand displacement and restriction endonuclease cleavage A target nucleotide sequence having a half-restriction site is determined in the nucleic acid of a biological sample. It is contacted with a reagent complex of: (i) a labeled probe polynucleotide containing a target binding region which is substantially c... | 02/16/1988 |
| 4722904 | Thermodynamically-stable aqueous perfluorocarbon microemulsion useful as blood gas control or calibrator The present invention relates to aqueous perfluorocarbon emulsions and particularly microemulsions, and to their use as blood gas controls and calibrators.... | 02/02/1988 |
| 4722606 | Analytical photometer, in particular multi-channel, applied to a centrifugal system adapted to perform practically simultaneous determination of the presence of different substances in a certain number of samples In an analytical photometer, in particular multi-channel, for the simultaneous analysis of a multiplicity of samples, the light source provided is a flash tube for producing light pulses in which a permanent preionization discharge is maintained and the l... | 02/02/1988 |
| 4721681 | Immunoassay in centrifugal field with complementary particles of differing specific gravities Competitive or inhibition assays are disclosed in which sample (e.g., containing target antigen), a reagent containing first particles (e.g., antibody-coated light particles) and a reagent containing second particles (e.g., antigen coated heavy particles)... | 01/26/1988 |
| 4720465 | Centrifugal kinetic agglutination assay A sample is mixed with a reagent containing stably suspended particles coated with a binding pair member complementary to or competitive with the target binding pair member. A centrifugal force applied during reaction is sufficient to change the concentra... | 01/19/1988 |
| 4698312 | Stabilizing blood cells with aromatic polyaldehyde for use in hematology controls and calibrators Blood cells such as erythrocytes of animal origin are treated with a solution containing water, an organic cosolvent (such as dimethylsulfoxide, alone or admixed with a polyol), an aromatic polyaldehyde (such as phthaldialdehyde) and optionally salts and ... | 10/06/1987 |
| 4643887 | Production of sulfur trioxide, sulfuric acid and oleum A feed gas mixture with SO2 partial pressure of at least about 0.5 atmosphere and an O2 :SO2 mole ratio of between about 0.7:1 and about 1:1 is passed in plug flow through a packed bed of conversion catalyst. The catalyst ... | 02/17/1987 |
| 4614813 | Process for the preparation of N-hydroxy organo imidate compounds This invention relates to a process for preparing N-hydroxyl organo imidate compounds by reacting an oxime compound with a halogenating agent and reacting the resulting 1-halosubstituted oxime compound with the alkali metal or alkaline earth metal salt of... | 09/30/1986 |
| 4608148 | Combination pH/reference electrode with improved temperature response A combination pH/reference electrode is provided with the two electrochemical references being symetrically thermally insulated from the sensing membrane and being thermally adjacent each other. The portion of the pH fill buffer in contact with the inner ... | 08/26/1986 |
