Bizarre Patents
Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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| Number | Title | Issue Date |
| 5981199 | Method for measuring antigen concentration This invention provides a method for measuring an antigen concentration in a sample, which comprises: preparing VH-domain polypeptide and VL-domain polypeptide of an antibody specific to the antigen; labeling one of the polypeptides with a reporter molecu... | 11/09/1999 |
| 5976857 | Cross-linked polypeptide fragments of ଲ-galactosidase Formation of an intramolecular cross-link in enzyme donor polypeptide fragments of ଲ-galactosidase, thereby forming a cyclic enzyme donor which is hindered from complementation with an enzyme acceptor fragment to form active of ଲ-galactosidase... | 11/02/1999 |
| 5976783 | Bis-maleimido cross-linking agents Formation of an intramolecular cross-link in enzyme donor polypeptide fragments of ଲ-galactosidase, thereby forming a cyclic enzyme donor which is hindered from complementation with an enzyme acceptor fragment to form active of ଲ-galactosidase... | 11/02/1999 |
| 5935861 | Diazonium ion assay reagents and methods for their use Diazonium ions which are useful as reagents for the assay of bilirubin content in a sample, such as a body fluid sample, are provided. In one preferred embodiment, 2-methyl-3-nitroaniline diazonium ion is provided, having the structure: ##STR1## ... | 08/10/1999 |
| 5919642 | Competitive binding assays having improved linearity Simplified calibration and improved dose-response linearity of the standard curve of competitive assays are obtained by adding a predetermined amount of unlabeled competitive binding compound (usually just the analyte itself) to a first reagent containing... | 07/06/1999 |
| 5886252 | Power supply monitor and control for medical instrument An instrument for determining a characteristic of a biological fluid or a control comprises a radiation-reflective surface, a first source for irradiating the surface, a first detector for detecting radiation reflected from the surface, and a mechanism fo... | 03/23/1999 |
| 5846702 | Reagent including an osmium-containing redox mediator A new group of Os(II) and Os(III) compounds useful as redox mediators in electrochemical biosensors. These compounds have 1) low oxidation potential, 2) fast reaction kinetics between the electroactive center of an enzyme and the compound, 3) slow oxidati... | 12/08/1998 |
| 5843682 | N-1-carboxyalkyl derivatives of LSD Novel derivatives of LSD having the formula ##STR1## wherein R1 is an alkyl, cycloalkyl or aryl group having 1 to 10 carbon atoms, preferably an alkyl group having 1 carbon atom; R2 is a bond or ##STR2## wherein R3 | 12/01/1998 |
| 5841023 | Magnet for medical instrument An instrument monitors the coangulation of coagulable fluid blood, blood fraction or a control by combining the coagulable fluid with particles which are affected by a magnetic field so that the particles become suspended relatively freely in the fluid. A... | 11/24/1998 |
| 5832921 | Analog heater control for medical instrument An instrument for determining a characteristic of a biological fluid or a control includes a heater and a heater control. The heater comprises a heater element, supported in heat conducting relationship to the biological fluid or control when the instrume... | 11/10/1998 |
| 5830741 | Composition for tissue dissociation containing collagenase I and II from clostridium histolyticum and a neutral protease An enzyme composition for dissociating tissues is disclosed. The composition comprises purified collagenase I and collagenase II from Clostridium histolyticum in a mass ratio of about 0.3 to 0.6 and a neutral protease such that the ratio of total FITC cas... | 11/03/1998 |
| 5820826 | Casing means for analytical test apparatus This application describes a casing for a diagnostic test strip. The casing contains two openings. One of the openings is defined by four sides, two of which, positioned opposite each other, terminate in a ridge. The ridge terminates short of the point wh... | 10/13/1998 |
| 5807752 | Assay using an unblocked solid phase with immobilized analyte binding partner The invention relates to a test system useful in carrying out diagnostic assays. One component of the test system is an unblocked solid phase test carrier with a three dimensional configuration, impregnated with a first binding partner for analyte of inte... | 09/15/1998 |
| 5804403 | Stable aqueous reagent containing NAD A stable aqueous NAD reagent useful in the measurement of analytes in biological fluids, particularly ethanol and lactate. For the determination of alcohol, the reagent contains alcohol dehydrogenase, pyrazole, NAD, SUTTOCIDE A and an aliphatic, zwitterio... | 09/08/1998 |
| 5795718 | Detection of complementary nucleotide sequences The invention relates to a method for detection of a specific nucleic acid sequence which comprises forming a reaction mixture by combining (1) a sample suspected of containing a nucleic acid; (2) a probe/enzyme donor polypeptide conjugate comprising (a) an enzyme ... | 08/18/1998 |
| 5792944 | Power supply monitor and control for medical instrument An instrument for determining a characteristic of a biological fluid or a control comprises a radiation-reflective surface, a first source for irradiating the surface, a first detector for detecting radiation reflected from the surface, and a mechanism fo... | 08/11/1998 |
| 5789664 | Fluid dose, flow and coagulation sensor for medical instrument An instrument and a method for determining a characteristic of a biological fluid or control comprise providing a radiation-reflective surface, a source for irradiating the surface, a detector for detecting radiation reflected from the surface, and a cuve... | 08/04/1998 |
| 5762770 | Electrochemical biosensor test strip An electrochemical biosensor test strip that has a minimum volume blood sample requirement of about 9 microliters. The test strip has working and counter electrodes that are substantially the same size and made of the same electrically conducting material... | 06/09/1998 |
| 5763196 | Assays using cross-linked polypeptide fragments of ଲ-galactosidase Formation of an intramolecular cross-link in enzyme donor polypeptide fragments of ଲ-galactosidase, thereby forming a cyclic enzyme donor which is hindered from complementation with an enzyme acceptor fragment to form active of ଲ-galactosidase... | 06/09/1998 |
| 5753485 | Purified mixture of collagenase I, collagenase II and two other proteases A purified enzyme mixture useful for isolating cells or cell clusters from tissue is disclosed. The mixture includes at least two collagenase enzymes, at least two other proteases, and additional non-protease components. The mixture is purified by removin... | 05/19/1998 |
| 5724066 | Method and apparatus for automatic control of instruments through video A system and method provide for distinguishing among characters of a character set. The characters are represented by a data stream of pixel information to a display port. A subset of the pixel information in the data stream contains sufficient informatio... | 03/03/1998 |
| 5719063 | Multiplex immunoassay system Disclosed is a method of assaying and apparatus for assaying, in assay apparatus, for an analyte in a sample by specifically binding the analyte to a binding molecule having a detectable tag to form a complex, the presence of which can be determined quant... | 02/17/1998 |
| 5710622 | Fluid dose, flow and coagulation sensor for medical instrument A method of immunizing the operation of an instrument which determines a characteristic of a biological fluid or a control against noise. The instrument includes a surface upon which a user deposits a sample of biological fluid or control the characterist... | 01/20/1998 |
| 5707820 | Reagent and assay methods including a phenazine-containing indicator A new reagent and methods for measuring the concentration of (or detecting the presence of) an analyte in a sample. The reagent includes a phenazine-containing compound and an enzyme. The phenazine-containing compound must be of sufficient type to form a ... | 01/13/1998 |
| 5686659 | Fluid dose flow and coagulation sensor for medical instrument A method of determining whether a sample or a control has been applied to an instrument for measuring coagulation of a fluid by optically detecting when the fluid that has been applied to the instrument has passed a first and a second points, determining ... | 11/11/1997 |
| 5652755 | Printer interface system Monitor (11) includes a microcontroller (51) programmed in a first mode of operation to drive various loads (59), (69) which operate to perform tests on patient samples. The results of the tests are sensed by sensors (61), (75) and digitally stored in sto... | 07/29/1997 |
| 5639631 | Stable reagent for ferric ion complex indicator systems The invention is a stable reagent used in assay systems that form a colored ferric ion complex, such as Prussian Blue. Such reagents are useful for the detection or measurement of an analyte from a fluid sample. Surprisingly, it has been found that the in... | 06/17/1997 |
| 5639668 | Optical apparatus for performing an immunoassay An optical system which may be a component of apparatus for assaying a fluid sample with radiation is capable of exciting fluorescence in fluorescent material and includes a totally internally reflecting, unitary elongated substrate transmissive to both t... | 06/17/1997 |
| 5627075 | Stable diagnostic reagent The inclusion of succinic acid or a salt thereof to stabilize compositions that include glucose oxidase and/or ferricyanide. Typically, the succinic acid or succinic acid salt is included in a diagnostic reagent utilized in test strips or test solutions u... | 05/06/1997 |
| 5606164 | Method and apparatus for biological fluid analyte concentration measurement using generalized distance outlier detection A method and apparatus for measuring the concentration of an analyte present in a biological fluid is disclosed. The method includes the steps of applying NIR radiation to calibration samples to produce calibration data, analyzing the calibration data to ... | 02/25/1997 |
| 5594906 | Zero power receive detector for serial data interface A serial data interface includes a receive data terminal, a received serial data out terminal and an operating power supply terminal. A zero-power receive detector for the serial data interface includes a source for furnishing operating power to the inter... | 01/14/1997 |
| 5589326 | Osmium-containing redox mediator A new group of Os(II) and Os(III) compounds useful as redox mediators in electrochemical biosensors. These compounds have 1) low oxidation potential, 2) fast reaction kinetics between the electroactive center of an enzyme and the compound, 3) slow oxidati... | 12/31/1996 |
| 5583006 | Stabilizing tetrazolium salts in a reagent A stable reagent for assaying an analyte from a fluid sample which includes an enzyme, a mediator, a tetrazolium salt and an oxidizing agent selected from the group consisting of sodium chlorate, 2,5-dimethylhexane-2,5-dihydroperoxide, benzoyl peroxide, t... | 12/10/1996 |
| 5543299 | Extender containing polymer compositions and uses thereof The invention relates to polymeric compositions useful in analyte determination. The compositions contain a polymer, a reagent system for analyte determination, and an extender. The last component alleviates tackiness in the composition, and thus reduces ... | 08/06/1996 |
| 5538870 | Method for preparing nucleic acids for analysis and kits useful therefor Methods useful in purifying nucleic acids from whole cell samples are described. This is accomplished by adding one or both of a non-phenyl group containing non-ionic detergent or a cross-linked, polycarboxylic acid. Kits which can be used in the methods ... | 07/23/1996 |
| 5526111 | Method and apparatus for calculating a coagulation characteristic of a sample of blood a blood fraction or a control A method for calculating a coagulation characteristic of a sample of blood, a blood fraction, or a control comprises generating an output signal indicative of coagulation of the sample, sampling the output signal at a sampling rate for a predetermined tim... | 06/11/1996 |
| 5525474 | Piperidine analogs and conjugates of procainamide and NAPA Novel derivatives of procainamide and N-acetylprocainamide (NAPA) are disclosed having the following formula: ##STR1## wherein: X=hydrogen or acetyl; n=1 to p where p=MW of Z/1000; Z=a poly(amino acid) or polysaccharide; and R3=a bond or ##STR2## ... | 06/11/1996 |
| 5522255 | Fluid dose, flow and coagulation sensor for medical instrument An instrument and a method for determining a coagulation characteristic of blood, a blood fraction or a control comprise a radiation-reflective surface, a first source for irradiating the surface, and a first detector for detecting radiation reflected fro... | 06/04/1996 |
| 5514560 | Substrates for ଲgalactosidase Galactopyranoside derivative compounds for use as substrates for hydrolysis by enzymes with ଲ-galactosidase activity are provided. The concentration of the reaction products can be measured by spectroscopy. The compounds find particular use in diagn... | 05/07/1996 |
| 5508171 | Assay method with enzyme electrode system A new electrochemical biosensor and method of its use. The electrochemical biosensor has a pair of electrodes consisting of a working electrode and a counter electrode made of the same electrically conducting materials. The counter electrode may be the sa... | 04/16/1996 |
