| 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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| 06/21/1983 | CA1148416A1 Steam sterilization indicator |
| 06/14/1983 | US4388409 Colorimetric analysis |
| 06/14/1983 | US4387990 Chemical analysis slide frame assembly |
| 06/14/1983 | CA1147979A1 Sample pyrolysis oven |
| 06/01/1983 | EP0080411A1 A colour indicator for the determination of hypoacidity in the gastric mucosa, utilizing gastroscopy |
| 05/31/1983 | CA1147247A1 Test device resistant to cross contamination between reactant areas and process for making it |
| 05/24/1983 | US4385124 Reagent for the quantitative determination of water and its use therefor |
| 05/24/1983 | US4385114 Determination of hydrogen peroxide or peroxidase |
| 05/18/1983 | EP0078965A1 Method for preparing an analytical element preventing reagent migration |
| 05/17/1983 | US4384042 Method and test composition for determination of hydrogen peroxide |
| 05/11/1983 | EP0078544A1 Reagent and process for the detection of a critical water content in hydraulic fluids, especially brake fluids |
| 05/11/1983 | EP0078299A1 Method and device for determining the nitrogen content in ammonium nitrogen containing materials. |
| 05/10/1983 | US4383043 Magnesium assay with calmagite or eriochrome black T reagents |
| 05/10/1983 | US4382380 Plant watering indicator |
| 05/03/1983 | US4382122 Stabilizing phenolsulfonephthalein dyes in a colorimetric analysis with a weak acid |
| 05/03/1983 | US4382063 Sterile indicator device |
| 05/03/1983 | US4381921 Lattice structure containing many voids |
| 04/26/1983 | US4381408 Method and apparatus for extraction of airborne amine compounds |
| 04/26/1983 | CA1145486A1 System for the softening of water |
| 04/19/1983 | US4380587 Film badge for determining carbonyl compounds |
| 04/19/1983 | CA1144849A1 Sterilisation indicators |
| 04/18/1983 | EP0067171A4 Method and article for determining free acid concentration in oils. |
| 04/12/1983 | US4379848 Method of analyzing an aqueous liquid for hexacyanoferrates |
| 04/12/1983 | CA1144456A1 Indicator composition and test device containing amine oxide and method of use |
| 04/06/1983 | EP0075921A1 Reagent mixture for measuring magnesium |
| 04/05/1983 | US4378972 Titration agent and method for using same |
| 03/30/1983 | EP0075467A1 Method for analyzing total trace nitrogen |
| 03/30/1983 | EP0075246A1 Two-component titration substance |
| 03/29/1983 | CA1143636A1 Chemiluminescent analytical device |
| 03/23/1983 | EP0074477A2 Determination of nitrate in water |
| 03/17/1983 | WO1983000876A1 A method for increasing the sensitivity of assays |
| 03/15/1983 | CA1142841A1 Process and a reagent for the determination of ions and of polar and/or lipophilic substances in fluids |
| 03/03/1983 | WO1983000742A1 Disposable article with non-leachable saline water indicator |
| 03/02/1983 | EP0073056A2 Analysis test stripe and method of making it |
| 03/01/1983 | CA1142181A1 Fluorinated benzenesulfonate diacetylenes |
| 02/16/1983 | EP0071934A1 Method for preparing a color stable chromogenic analytical element |
| 02/15/1983 | CA1141275A1 Composition, test device and method for determining the ionic strength or specific gravity of a liquid sample |
| 02/09/1983 | EP0071169A2 Microporous article with open cells, having an inherent and latent property to change its structure |
| 02/08/1983 | US4372155 Methods of monitoring a combustion system |
| 02/08/1983 | CA1140775A1 Whole blood analysis by diffusion techniques |
| 01/18/1983 | CA1139646A1 Composition and test strip for colorimetric analysis of ascorbic acid |
| 01/11/1983 | US4368105 Electrolytic solution for Karl Fischer coulometric titration |
| 01/11/1983 | CA1139053A1 Disposable diaper type garment having wetness indicator |
| 01/05/1983 | EP0069037A1 Sterilization indicator |
| 01/05/1983 | EP0068438A2 Means and method for the detection of hydrogen peroxide |
| 01/05/1983 | EP0068379A1 Analytical control device and method for making it |
| 01/04/1983 | US4367072 Ligands assayed by host molecules including cyclophanes, crown ethers, crypstands and podands |
| 12/28/1982 | US4365969 Method for quantitative analysis of chemical composition of inorganic material |
| 12/28/1982 | CA1138529A1 Method and apparatus for measuring hydrogen peroxide concentration in a solution |
| 12/28/1982 | CA1138310A1 Composition, test device and method for determining the ionic strength or specific gravity of a liquid sample utilizing a strong polyelectrolyte |
| 12/22/1982 | EP0067545A2 Method and apparatus for monitoring combustion systems |
| 12/22/1982 | EP0067171A1 Method and article for determining free acid concentration in oils. |
| 12/21/1982 | CA1137863A1 Method and apparatus for the determination of sulphur content in sample analysis |
| 12/15/1982 | EP0067041A1 Process for measuring calcium |
| 12/14/1982 | CA1137397A1 Precursor indicator compositions |
| 12/14/1982 | CA1137333A1 Self-contained gaseous contaminant dosimeter |
| 12/08/1982 | EP0066166A1 Determination of monomer conversion by headspace analysis |
| 12/07/1982 | US4362064 Positive-displacement pipette |
| 11/30/1982 | US4361648 Polymeric mordant, tetraalkylbenzidine hydrochloride, enzyme, peroxidatively active material |
| 11/25/1982 | WO1982004128A1 Method and device for determining the nitrogen content in ammonium nitrogen containing materials |
| 11/17/1982 | EP0064710A1 Multilayer analytical element for the detection of an agent in a liquid sample |
| 11/16/1982 | US4358949 Argon purity tester |
| 11/16/1982 | CA1135606A1 Carbon monoxide monitoring system |
| 11/10/1982 | EP0064160A1 Combustion apparatus for elementary analysis |
| 11/09/1982 | US4358015 Pressure sensitive closure pouch with insertable sterilization indicator |
| 11/09/1982 | US4357945 Device for testing and rupturing amniotic membrane |
| 11/02/1982 | US4357363 Element, structure and method for the analysis or transport of liquids |
| 11/02/1982 | CA1134728A1 Reagent for the quantitative determination of water and its use in the determination of water |
| 11/02/1982 | CA1134645A1 Monitoring process and apparatus |
| 10/26/1982 | US4356149 Multi-layer chemical analytical materials |
| 10/26/1982 | US4356072 Acetylated or succinylated cytochrome c |
| 10/26/1982 | US4355998 Reagent for the quantitative determination of water and its use therefor |
| 10/26/1982 | CA1134248A1 Toxic-monitoring badge and method of use |
| 10/19/1982 | US4354854 Apparatus for colorimetrically measuring traces of gas |
| 10/19/1982 | US4354853 Karl Fischer reagent and its use |
| 10/19/1982 | CA1133813A1 Analytical elements with improved reagent stability |
| 10/12/1982 | US4353990 Monitoring and irreversibly displaying thermal energy input as function of time-temperature relationship |
| 10/12/1982 | US4353708 Contacting with solutions of acid and basic dyes to detect ionization |
| 10/12/1982 | CA1133423A1 Sodium amalgam monitor |
| 10/05/1982 | US4352781 Combustion system |
| 10/05/1982 | US4352779 Chemiluminescent sulfur detection apparatus and method |
| 10/05/1982 | US4352673 Method and device for determining the organic carbon content of a sample |
| 10/05/1982 | CA1133060A1 Method for the automatic electro-chemical determination of the end point of a titration |
| 10/05/1982 | CA1132889A1 Mercury contamination indicator and decontamination aid |
| 09/28/1982 | US4351801 Combustion apparatus for use in elementary analysis |
| 09/28/1982 | US4351744 Karl-Fischer Reagent |
| 09/22/1982 | EP0060723A1 Indicator for detecting ethylene oxide |
| 09/22/1982 | EP0060681A1 A combustible gas analyzer |
| 09/16/1982 | WO1982003127A1 Indicator |
| 09/14/1982 | US4349509 Oxygen indicator adapted for printing or coating and oxygen-indicating device |
| 09/14/1982 | US4349353 Frying oil evaluator method and composition |
| 09/14/1982 | US4349350 Process for the determination of uranium (VI) or dialkyl dithiophosphoric acid present in an organic solvent |
| 09/14/1982 | US4348888 Explosimeter |
| 09/07/1982 | US4348359 Device for determining various types of trace nitrogen |
| 09/07/1982 | US4348358 Colorimetric dosimeter |
| 09/07/1982 | CA1131114A1 Method and composition for direct determination of iron in blood serum |
| 09/07/1982 | CA1131111A1 Test device |
| 09/07/1982 | CA1131108A1 Use of substituted or condensed pyridines in a process for the detection or substances having a peroxidatic effect, a process of this kind and a diagnostic agent containing such pyridines |
| 09/07/1982 | CA1131097A1 Process and a reagent for the removal of turbidities |
| 09/07/1982 | CA1131046A1 Analysis reactor and its use for volumetric analysis of a sample of a substance in powder form |