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| Number | Title | Issue Date |
| 3977995 | Calibrating fluid for blood cell counting and hemoglobin determination A calibrating fluid for automated instruments for blood cell counting and hemoglobin determination comprising a sterile solution of oxyhemoglobin or other derivative products of hemoglobin and containing latex particles.... | 08/31/1976 |
| 3975343 | Solubilization of protein with ethanol-acetonitril-water solvent system A solvent system composed of ethanol-acetonitrile-water dissolved certain membrane proteins of biological origin. The solvent system was optically transparent to ultraviolet radiation from 200 to 400 nanometers (nm). This transparency permitted ascertainm... | 08/17/1976 |
| 3975156 | Method and material for detecting and quantitating fetal erythrocytes in adults By differential elution of hemoglobin from fetal and adult erythrocytes using a succinic acid/succinate or a malic acid/malate buffer, fetal erythrocytes in adult blood may be detected and quantitated.... | 08/17/1976 |
| 3973913 | Blood control standard A stable blood control standard and method is provided for the quality control of the measurement of blood pH and gases in the clinical laboratory. The blood control standard comprises a sealed receptacle containing specially treated red cells and a gaseo... | 08/10/1976 |
| 3964865 | Lyophilized human hemoglobin standard for colorimetric determination of total hemoglobin A preweighed vial of lyophilized methemoglobin (ferrihemoglobin) provides a simple, stable, reproducible standard for colorimetric determination of total hemoglobin concentration in whole blood by the cyanmethemoglobin method. Conversion of the standard a... | 06/22/1976 |
| 3962125 | Multi-purpose diluent for use in blood analysis by electronic instrumentation of the coulter type A multi-purpose blood diluent for use in electronic enumeration of red and white blood cells and the determination of hemoglobin concentration and other classic parameters, mean cell volume and other measurements of blood cells and particles or measuremen... | 06/08/1976 |
| 3960669 | Urine diagnostic test for fibrinolytic activity A test for maladies which cause deviations in the rate of production of fibrinolytic enzymes is carried out by adding controlled quantities of standardized thrombin and fibrinogen solutions to a urine specimen and noting the clotting time. Shortening of t... | 06/01/1976 |
| 3953359 | Determination of phosphorus A one step method for the spectrophotometric determination of phosphorus in the presence of protein using molybdic acid is disclosed. Protein precipitation is avoided by including a long chain amine ethylene oxide adduct in the sample reagent mixture bein... | 04/27/1976 |
| 3947378 | Adsorbed plasma The present invention relates to an improved process for the production of a deficient citrated plasma useful in the clinical laboratory as a control plasma for the testing of clotting function, and particularly, in patients who are on oral anticoagulant ... | 03/30/1976 |
