Bizarre Patents
An enclosure for small animals which is wearable on the front or back of an animate being.
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 |
| 6362003 | Hematological reference control composition containing leukocyte analogs, methods of making, and uses thereof A method of quality control to diagnose the cause of a malfunction of an instrument. The method uses measurements of the physical property of a sample to diagnose the cause of a malfunction of an instrument. The spatial position of a control product sampl... | 03/26/2002 |
| 6159740 | Method and apparatus for screening obscured or partially obscured cells A method and apparatus for performing screening of obscured or partially obscured cells to enumerate one or more cell population subsets. For example, a whole blood sample or portion thereof is screened to provide the desired analysis of one or more white... | 12/12/2000 |
| 5871946 | Method for determining activity of enzymes in metabolically active whole cells An assay compound or a salt thereof for assaying the activity of an enzyme inside a metabolically active whole cell is disclosed. The assay compound includes a leaving group and an indicator group. The leaving group is selected from the group comprising a... | 02/16/1999 |
| 5861311 | Preserved, non-infectious control cells prepared by the modulation or modification of normal leukocytes The invention describes the preparation of preserved, non-infectious control cells. The control cells are prepared by modification, activation or otherwise changing selected normal leukocyte cells, tissue culture cells or zenogenic transplants in immunosu... | 01/19/1999 |
| 5849513 | Assay reagent An assay compound or a salt thereof for assaying the activity of an enzyme inside a metabolically active whole cell is disclosed. The assay compound includes a leaving group and an indicator group. The leaving group is selected from the group comprising a... | 12/15/1998 |
| 5834315 | Cyanide-free reagent and method for hemoglobin determination and leukocyte differentitation A reagent composition which does not contain cyanide ions and a method for measuring hemoglobin concentration in a blood sample. In addition, the reagent composition can be used to measure hemoglobin concentration and differentiate at least two subpopulat... | 11/10/1998 |
| 5798217 | Method of analyzing tumor cell DNA content through tumor cell enrichment The invention provides a method for enriching a sample in tumor cells and determining the DNA ploidy and proliferative index of the tumor cells present in the sample. The method uses a pan-leukocyte monoclonal antibody conjugated to a separable substrate ... | 08/25/1998 |
| 5786224 | Reagent and method for differential determination of leukocytes in blood A lytic reagent composition is provided which selectively stromatolyses red blood cells in a blood sample. In addition, a lytic reagent system is provided which enables the differentiation of at least three subpopulations of leukocytes. A method for using... | 07/28/1998 |
| 5783673 | Method of preferential labelling of a phycobiliprotein with an aminereactive dye for use in a multiple color assay and product for such use A method for preparing phycobiliprotein/amine-reactive dye conjugates is disclosed in which the conjugates so prepared overcome the energy transfer/fluorescent quenching dilemma encountered in the use of prior art conjugates. A phycobiliprotein, for examp... | 07/21/1998 |
| 5776706 | Polymeric particles having a biodegradable gelatin or aminodextran coating and processes for making same Gelatin and aminodextran coated polymer core particles useful in immunoassays and methods of making the same are disclosed. The preparation of aminodextrans having varying amounts of amine groups is also described, as is a method of crosslinking gelatin a... | 07/07/1998 |
| 5776720 | Assay reagent An assay compound or a salt thereof for assaying the activity of an enzyme inside a metabolically active whole cell is disclosed. The assay compound includes a leaving group and an indicator group. The leaving group is selected from the group comprising a... | 07/07/1998 |
| 5763204 | Preparation of preserved, non-infectious control cell for use in the identification of a disease through blood testing Preparation of non-infectious control cells from normal, non-infectious, non-disease altered blood by depletion or augmentation of one or more cell types found in normal blood to reflect a specific disease state. The control cells so produced are preserve... | 06/09/1998 |
| 5733719 | Method of making an assay compound An assay compound or a salt thereof for assaying the activity of an enzyme inside a metabolically active whole cell is disclosed. The assay compound includes a leaving group and an indicator group. The leaving group is selected from the group comprising a... | 03/31/1998 |
| 5707877 | Biodegradable gelatin-aminodextran particle coatings of and processes for making same The invention relates generally to colloidal particle having a core material and a gelatin/aminodextran coating with pendent functional groups attached thereto. Biological substances or molecules, especially monoclonal antibodies, may be attached to said ... | 01/13/1998 |
| 5698411 | Method for determining activity of enzymes in metabolically active whole cells A method for assaying the activity of an enzyme inside a metabolically active whole cell is disclosed. The assay compound includes a leaving group and an indicator group. The leaving group is selected from the group comprising amino acids, peptides, sacch... | 12/16/1997 |
| 5692220 | Decision support system and method for diagnosis consultation in laboratory hematopathology A system and method of diagnosis provides that data from a hematopathology analyzer, e.g., hematology analyzer and/or other blood testing instrument or test, is input and compared with patterns corresponding to specific patient conditions. The matched pat... | 11/25/1997 |
| 5686308 | Reagent and method for differential determination of leukocytes in blood A lytic reagent composition is provided which selectively stromatolyses red blood cells in a blood sample. In addition, a lytic reagent system is provided which enable the differentiation of at least two subpopulations of leukocytes. A method for using th... | 11/11/1997 |
| 5658741 | Anti-CD3 antibody-aminodextran conjugates for induction of T-cell activation and proliferation The invention describes the use of novel aminodextran compounds containing about 5-20% by weight amine groups to bind a plurality of monoclonal antibodies. The resulting antibody-aminodextran compounds may be used to induce the activation and proliferatio... | 08/19/1997 |
| 5653686 | Closed vial transfer method and system A method and transfer device for transferring fluids between closed vials. The transfer device includes a cylinder having a pair of opposing open tubes or tubular portions into which a pair of vials can be inserted to transfer fluid therebetween. The tube... | 08/05/1997 |
| 5646335 | Wickless temperature controlling apparatus and method for use with pore volume and surface area analyzers A wickless temperature controlling apparatus and method to analyze the characteristics of an adsorbent is provided. The apparatus provides a heat transfer between a cooling liquid and a sample vessel immersed in the cooling liquid and further provides a s... | 07/08/1997 |
| 5639620 | Polymeric particles having a biodegradable gelatin or aminodextran coating and process for making same Gelatin and aminodextran coated polymer core particles useful in immunoassays and methods of making the same are disclosed. The preparation of aminodextrans having varying amounts of amine groups is also described, as is a method of crosslinking gelatin a... | 06/17/1997 |
| 5639666 | Detection of reticulocytes A process for determining the reticulocyte population in blood samples, which process includes the use of coriphosphine O to stain reticulocytes and which process is particularly suitable for detection by flow cytometry techniques.... | 06/17/1997 |
| 5622855 | Preserved, non-infectious control cells prepared by the modulation or modification of cultured cells The invention describes the preparation of preserved, non-infectious control cells. The control cells are prepared by modification, activation or otherwise changing selected normal leukocyte cells, tissue culture cells or zenogenic transplants in immunosu... | 04/22/1997 |
| 5616501 | Reticulocyte analyzing method and apparatus utilizing light scatter techniques A reticulocyte analyzing method and apparatus in which a biological sample stream of ghosted red cells is passed into and through a point focused beam of light, such as laser light. A light detector structure is positioned with respect to the axis of the ... | 04/01/1997 |
| 5610712 | Laser diffraction particle sizing method using a monomode optical fiber A fiber optic spatial filter assembly for laser diffraction particle sizing apparatus utilizing a laser to generate a monochromatic light beam which is coupled to an optical fiber operating substantially in a monomode and creating a beam of light having a... | 03/11/1997 |
| 5607565 | Apparatus for measuring analytes in a fluid sample A method and apparatus provide a system for measuring a measurable component in a sample. A sample is introduced into a chamber. A permeable membrane to the measurable component allows the component to pass into a second chamber. In the second chamber the... | 03/04/1997 |
| 5603342 | Apparatus for cleaning a fluid sample probe A sample probe wash chamber for cleaning the exterior of a sample probe. The probe wash chamber includes an interior threaded passageway between a wash fluid inlet and outlet. The inlet tangentially opens into an annular chamber formed adjacent one end of... | 02/18/1997 |
| 5576185 | Method of positive or negative selection of a population or subpopulation of a sample utilizing particles and gravity sedimentation A separation procedure for separating a selected desired or undesired population from a biological sample utilizing relatively heavy, dense particles and gravity sedimentation. The particles have one or more reactants bound thereto which are specific to a... | 11/19/1996 |
| 5554505 | Method and apparatus for optically screening microscopic cells An optical screening method and apparatus for identifying both the morphology and selected characteristics or properties expressed by cells, such as cancer cells. The cells are combined with one or more different sets of microspheres, each set having a re... | 09/10/1996 |
| 5552086 | Immobilized metal colloids on dispersed polymer microspheres The invention describes stable colloidal polymeric particles of 0.2-5.0 microns size which are coated with a first aminodextran layer and a second metallic solid layer, The metal is coated by reduction of a metallic salt or complex by the aminodextran. Th... | 09/03/1996 |
| 5542305 | Liquid metering and transfer valve assembly particularly for flow cytometer A metering and transfer valve assembly particularly for use in particle analyzing apparatus for the study of particles in liquid suspension, the valve assembly having at least pair of inner and outer valve elements coaxially arranged in face to face frict... | 08/06/1996 |
| 5529933 | Suspension media for hematological composition and method for its use A hematology control product comprising leukocyte analogs and an aqueous solution of a plasma substance for use in a blood counting instrument is described. The instrument employs a lytic reagent system for the lysable red blood cells in the control produ... | 06/25/1996 |
| 5527713 | Anti-CD3 antibody-aminodextran conjugates for induction of T-cell activation and proliferation The invention describes the use of novel aminodextran compounds containing about 5-20% by weight amine groups to bind a plurality of monoclonal antibodies. The resulting antibody-aminodextran compounds may be used to induce the activation and proliferatio... | 06/18/1996 |
| 5512485 | Hematology control composition including leukocyte analogs; and methods for their preparation and use A hematology control product comprising leukocyte analogs is described. The analogs comprise red blood cells which simulate at least two physical properties of human leukocytes. A method for making leukocyte analogs from blood cells having desired physica... | 04/30/1996 |
| 5492833 | Reticulocyte analyzing method and apparatus utilizing light scatter techniques A reticulocyte analyzing method and apparatus in which a biological sample stream of ghosted red cells is passed into and through a point focused beam of light, such as laser light. A light detector structure is positioned with respect to the axis of the ... | 02/20/1996 |
| 5468616 | Method and apparatus for rapid mixing of small volumes for enhancing biological reactions A method and apparatus for accelerating at least one definitive biological reaction including increasing the accuracy of determinations made therefrom. The reaction involves selected viable biological cells which are prepared in a small sample volume and ... | 11/21/1995 |
| 5466609 | Biodegradable gelatin-aminodextran particle coatings of and processes for making same The invention relates generally to colloidal particle having a core material and a gelatin/aminodextran coating with pendent functional groups attached thereto. Biological substances or molecules, especially monoclonal antibodies, may be attached to said ... | 11/14/1995 |
| 5464752 | Automated analyzer for screening cells or formed bodies for enumeration of populations expressing selected characteristics A method and apparatus for automatically and rapidly, retrieving, counting and/or analyzing at least one selected white blood cell population and/or subset thereof of a whole blood sample or portion thereof. A volume of a biological sample containing the ... | 11/07/1995 |
| 5460055 | Sampling metering and transfer valve assembly and analyzing system employing same A multifunctional liquid sampling, metering and transfer valve assembly and the analytical system employing same. The valve assembly is capable of performing all liquid handling functions therewithin. The valve assembly comprises a pair of coaxially arran... | 10/24/1995 |
| 5456887 | Tube adapter The invention provides a tube adapter for use on a plurality of different types of tubes. The tube adapter includes a sleeve in which to receive smaller diameter tubes. The sleeve preferably includes a bar code reader slot to allow reading of bar codes on... | 10/10/1995 |
