| Patents for G01N 31 - Investigating or analysing non-biological materials by the use of the chemical methods specified in the subgroups; Apparatus specially adapted for such methods (18,554) |
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| 10/21/1980 | CA1087968A1 Preparation and method of use of compounds and compositions effective for removal, conversion and detection of carbon monoxide |
| 10/16/1980 | WO1980002205A1 Device for measuring a certain amount of liquid |
| 10/15/1980 | EP0017414A1 Device for delivering measured quantities of reagent to an assay medium and method of assaying a liquid aqueous assay medium |
| 10/15/1980 | EP0017164A1 Method for determining catecholic compounds and their related compounds |
| 10/14/1980 | US4228129 Cleaning attachment to clean flask-shaped receivers of chemical analysis apparatus |
| 10/14/1980 | US4227976 Automatic titration of the ammonium bifluoride, sodium dichromate and phosphoric acid |
| 10/14/1980 | US4227973 Automatic analysis of alkali metals halides etc. by means of the use of ion-selective electrodes |
| 10/14/1980 | US4227888 Method for the quantitative determination of cyanide |
| 10/14/1980 | US4227887 Determination of total organic halides in water |
| 10/07/1980 | US4226600 Mercury contamination indicator and decontamination aid |
| 10/07/1980 | CA1087076A1 Method for the quantitative analysis of a1-c and a1-h- bonds in hydrocarbons |
| 10/01/1980 | EP0016578A1 Method and kit for the determination of biocide concentration in aqueous systems |
| 10/01/1980 | EP0016415A1 Method for measurement and regulation of the concentration of copper, formaldehyde and sodiumhydroxide in an electroless copper deposition bath and sampling apparatus for use in this method |
| 10/01/1980 | EP0016414A2 Circuit for an amperometric titration |
| 10/01/1980 | EP0016387A1 Diagnostic means for the determination of components of liquids |
| 09/30/1980 | US4225557 Packaged diagnostic test strip |
| 09/30/1980 | CA1086615A1 Stabilised urease |
| 09/23/1980 | CA1086197A1 Single sample method for determination of lipoprotein concentrations in blood |
| 09/23/1980 | CA1086196A1 Testing formulation |
| 09/16/1980 | US4223089 Colorimetric analysis |
| 09/16/1980 | US4222745 Potassium dichromate adsorbed on silica and a silicone rubber adhesive |
| 09/16/1980 | CA1085757A1 Method for continuously controlling the water content of alkylation catalysts |
| 09/09/1980 | US4221761 Device for the quantitative reduction of nitrogen dioxide in gas mixtures |
| 09/03/1980 | EP0014797A1 Liquid transport device, method of transporting a liquid, method of analyzing a liquid and test element for use in analysis of a liquid |
| 08/26/1980 | CA1084298A1 Gas monitoring method and apparatus therefor |
| 08/20/1980 | EP0014447A1 Sterilization pouch with insertable sterilization indicator |
| 08/20/1980 | EP0014374A1 Method of automatically determining by electrochemical means the end point of a titration |
| 08/19/1980 | US4218421 Disposable container for a continuous band of test strips |
| 08/19/1980 | CA1083936A1 Sterilization detection device and method |
| 08/19/1980 | CA1083935A1 Method and apparatus for the determination of the oxidative stability of polymers under shear conditions |
| 08/19/1980 | CA1083934A2 Chamber holder for an immobilized immunoadsorbent |
| 08/12/1980 | US4217108 Process for the quantitative determination of the carbon of organic compounds in water |
| 08/12/1980 | CA1083383A2 Analysis of a sample using a conversion means and specific gas detectors |
| 08/12/1980 | CA1083382A2 Analysis of a sample using a conversion means and specific gas detectors |
| 08/05/1980 | US4216245 Method of making printed reagent test devices |
| 08/05/1980 | US4215995 Test means and assay for determining the urea content of fluids |
| 07/29/1980 | US4215091 Calibrated precision tube with pressure transmitter |
| 07/29/1980 | CA1082594A1 Signalling the start of a chemical reaction by tagging substance |
| 07/29/1980 | CA1082577A1 Homogenous specific binding assay method and composition and device for use therein |
| 07/23/1980 | EP0013661A1 Method and apparatus for the quantitative determination of nitrogen |
| 07/23/1980 | EP0013528A1 Process for the determination of the concentration of free bases in industrial water and a measuring device used to carry out the process |
| 07/22/1980 | US4213763 Method and device for analyzing geological sediments and for determining their organic sulfur content |
| 07/22/1980 | US4213762 Determination of chromate ion in drilling mud filtrates |
| 07/22/1980 | CA1082311A1 Method to generate correlative data from various products of thermal degradation of biological specimens |
| 07/15/1980 | US4213044 Method and apparatus for determining oil mist in compressed air |
| 07/09/1980 | EP0013156A1 Particulate structure and element for analysis or transport of a liquid and method of making said element |
| 07/08/1980 | US4211748 Stack gas analyzer and thermal oxidation device therefor |
| 07/08/1980 | US4211532 Silver chromate in a protective colloid, nonionic surfactant, and a fubber |
| 07/08/1980 | CA1081121A2 Plasma membrane extract from corpus luteum in pregnancy test |
| 06/25/1980 | EP0012617A1 Method for calibrating analytical moisture measuring equipment |
| 06/25/1980 | EP0012221A1 Mercury contamination indicator and its use as an indicator and as a decontaminator |
| 06/24/1980 | CA1080096A1 Ph-indicator composition having controlled change of colour and ph on freezing, and a method for the preparation thereof |
| 06/17/1980 | US4208194 Ptfe, particulate absorbent |
| 06/17/1980 | US4208186 Process for monitoring time-temperature histories of perishables utilizing inactive form of diacetylene |
| 06/10/1980 | CA1079189A1 Immunoassay method utilizing magnetically attractable particles |
| 06/10/1980 | CA1079188A1 Pest control compositions |
| 06/10/1980 | CA1079165A1 Multiple signal thermoparticulating coating |
| 06/03/1980 | US4205956 Quantitative analysis |
| 06/03/1980 | CA1078712A1 Heterogenous specific binding assay method and means for use therein |
| 06/03/1980 | CA1078711A1 Diagnostic method, device and composition |
| 05/28/1980 | EP0011107A1 Method for the determination of an amino acid or an amino sulfonic acid |
| 05/27/1980 | US4205043 Hazardous atmosphere badge |
| 05/20/1980 | US4203725 Method and test kit for the on-site determination of the presence of contaminant material in lubricating oil |
| 05/20/1980 | CA1077741A1 Combustible gas-in-oil detector |
| 05/14/1980 | EP0010615A1 Method and reagent for determining ions, polar and/or lipophilic compounds in liquids |
| 05/13/1980 | US4203156 Titration apparatus with control means |
| 05/06/1980 | USRE30267 Multilayer analytical element |
| 05/06/1980 | US4201693 Stable schiff reagent |
| 05/06/1980 | US4201548 Method for determining volatile substances in an aqueous solution and apparatus therefor |
| 05/06/1980 | US4201080 Moisture indicator |
| 04/30/1980 | EP0010160A1 Plaquette for the dosimetry of reactive gases |
| 04/30/1980 | EP0010091A1 Determination of ldl cholesterol in body fluids |
| 04/29/1980 | US4200110 Fiber optic pH probe |
| 04/22/1980 | CA1076009A1 Reagent and method for determination of phosphorous |
| 04/16/1980 | EP0009511A1 Abnormal-condition detector for an electric apparatus |
| 04/15/1980 | CA1075572A1 Device for indicating the ph value of water in aquariums |
| 04/08/1980 | CA1074979A1 Detection and measurement of no2 and o3 |
| 04/01/1980 | US4196167 Drug detection device |
| 04/01/1980 | US4196056 Ion selective electrode analysis |
| 04/01/1980 | CA1074869A1 Programmed thermal degradation-mass spectrometry analysis method facilitating identification of a biological specimen |
| 03/25/1980 | US4195058 For monitoring shelf life; color response |
| 03/25/1980 | US4195057 For monitoring shelf life; color response, polydiacetylene as indicator |
| 03/25/1980 | US4195055 Vapor-phase moving-boundary indicator |
| 03/19/1980 | EP0008958A1 Fluorinated benzenesulfonate diacetylenes, a composition containing a polymer derived from these monomers; the application of such compounds in time-temperature history monitoring devices |
| 03/11/1980 | US4192849 For detecting traces of metals in foodstuffs |
| 03/11/1980 | CA1073327A1 Ethylene oxide indicator |
| 03/04/1980 | CA1072772A1 Analysis of a sample using a conversion means and specific gas detectors |
| 02/26/1980 | US4190628 Contains a plant lectin as a specific agglutinating agent |
| 02/26/1980 | US4190419 Device for detecting serum bilirubin |
| 02/19/1980 | CA1071911A1 Specimen test slide with hinged cover means |
| 02/12/1980 | US4188465 Stabilized urease composition |
| 02/12/1980 | CA1071513A1 Detector tube |
| 02/12/1980 | CA1071512A1 Test device and method for determining a component in a sample |
| 02/12/1980 | CA1071429A1 Method and apparatus for purification of aqueous zinc sulphate solution used in electrolytical production of zinc |
| 02/06/1980 | EP0007787A1 Method and reagent for the quantitative determination of hydrogen peroxide |
| 02/06/1980 | EP0007521A1 Method for determining the total oxygen demand of an aqueous dispersion containing oxidizable materials |
| 02/06/1980 | EP0007348A1 Identification of hazardous nature of unknown materials |
| 02/05/1980 | CA1071078A1 Automatic process titration system |
| 02/05/1980 | CA1071077A1 Method and means for identifying some petroleum caracteristics of geological sediments from small sample |
| 02/05/1980 | CA1070974A1 Method and apparatus for solute transfer |