| 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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| 06/16/1987 | EP0225561A2 Method for the photometric evaluation of coloured fields on test strips |
| 06/16/1987 | EP0225520A2 Test tube |
| 06/16/1987 | EP0225474A1 Test strip identification |
| 06/16/1987 | CA1222931A1 Reagent test device |
| 06/11/1987 | DE3543436A1 Method for measuring the acid capacity of running water, and appliance for implementing the method |
| 06/10/1987 | EP0224655A1 Method of determining the stoichiometric air quantitites of fuels |
| 06/09/1987 | US4671937 Multilayer analytical element |
| 06/09/1987 | US4671936 Ethylene oxide sterilization and aeration indicator |
| 06/04/1987 | WO1987003367A1 Photoactivatable leuco base time-temperature indicator |
| 06/02/1987 | US4670405 Calibration pattern of electrical response from multi-sensors |
| 06/02/1987 | US4670400 Determination of monomer conversion by headspace analysis |
| 06/02/1987 | CA1222438A1 Unified test means for ion determination |
| 05/27/1987 | EP0222976A2 Device for the determination and control of the concentration of substances in liquid mediums |
| 05/21/1987 | WO1987003092A1 Analytic apparatus and method |
| 05/20/1987 | CN86202402U Chemical titration analyzer |
| 05/19/1987 | US4666859 Rubeanic acid, metal cyanide |
| 05/19/1987 | US4666858 Adjusting ph; extracting; measuring spectrophotometrically |
| 05/19/1987 | US4666699 Stain-fixative composition for enteric parasites |
| 05/19/1987 | US4665741 Method of hair damage assessment |
| 05/19/1987 | CA1222074A1 Spectroscopic analysis of organometallic compound |
| 05/14/1987 | DE3539772A1 Analytical means containing a redox system and an oxidant, and a method for the manufacture thereof |
| 05/12/1987 | US4665038 Composition, method and test strip for examining urobilinogen |
| 05/12/1987 | US4664756 Dead-stop end-point |
| 05/07/1987 | WO1987002776A1 Hybridoma tumor cell lines and their monoclonal antibodies to thaumatin |
| 05/07/1987 | DE3538778A1 Method and appliance for determining the nitrogen content in a sample |
| 05/06/1987 | EP0220521A1 Colorimetric gas dosimeter |
| 05/05/1987 | US4663724 Method for the continuous determination of the concentration of a carbonate and a sulfite in a liquid |
| 05/05/1987 | US4663507 Inducing combustion |
| 04/28/1987 | US4661338 Applying indicator to stomach wall; noting coalor chagne |
| 04/28/1987 | US4661320 Change in photoabsorption in presence of hydrogen |
| 04/28/1987 | US4661211 Polymer, inorganic compound, and nitrogen, sulfur, or oxygen containing polymer |
| 04/23/1987 | WO1987002267A1 Blood serum test strip |
| 04/23/1987 | DE3536997A1 Process and device for determining the quantitative content of materials |
| 04/22/1987 | EP0118063B1 Reagent for the detection of peroxides |
| 04/14/1987 | US4657739 Integral element for biological reaction and process for the preparation thereof |
| 04/14/1987 | US4657737 Apparatus for determining the fuel-air ratio of Otto engines |
| 04/14/1987 | US4657736 Solubilized fluorescent decacyclene indicator in a curable silicone rubber carrier |
| 04/14/1987 | US4656843 In a cloth treating tank |
| 04/14/1987 | US4656832 Detector for particulate density and filter with detector for particulate density |
| 04/09/1987 | DE3612699C1 Device for determining the ammonium nitrogen content |
| 04/08/1987 | EP0217677A2 Apparatus for monitoring the carbon content of boiler flue ash |
| 04/08/1987 | EP0217403A2 Solid-phase analytical device and method for using same |
| 04/08/1987 | EP0110948B1 Method of analysing carbon and carbon compounds |
| 03/31/1987 | US4654309 Test method and article for estimating the concentration of free acid in liquid |
| 03/31/1987 | US4654165 Microingredient containing tracer |
| 03/31/1987 | CA1219797A1 Test strips |
| 03/31/1987 | CA1219795A1 Determination of alkali metals |
| 03/25/1987 | EP0215600A2 Improvements in or relating to watering indicators for plants |
| 03/25/1987 | EP0215332A2 Method for determinating diborane in air |
| 03/24/1987 | US4652530 Adsorption, complexing with ferric chloride and potassium ferricyanide |
| 03/17/1987 | US4650768 Aqueous samples, silver salts, shelf life |
| 03/11/1987 | EP0213278A2 Diffusion gas sampler |
| 03/11/1987 | CN86106168A Watering indicators for plants |
| 03/10/1987 | US4649124 Chromatography |
| 03/10/1987 | US4649123 Clinical determinations of serum potassium |
| 03/10/1987 | US4649121 Viability test device |
| 03/04/1987 | EP0212634A1 Test strips with a sample absorption capacity which can be specified |
| 03/04/1987 | EP0212603A2 Multizone analytical element having labeled reagent concentration zone |
| 03/04/1987 | EP0212601A2 Reagent test device containing hydrophobic barriers |
| 03/04/1987 | EP0212599A2 Multizone analytical element for immunoassays having detectable signal concentrating zone |
| 03/04/1987 | EP0212314A2 Capillary flow device |
| 03/04/1987 | CN85105297A Instrument for measuring ammonia concentration |
| 03/03/1987 | US4647542 Karl Fischer reagent and method for determining water by means of this reagent |
| 03/03/1987 | US4647430 Volume independent test device |
| 03/03/1987 | CA1218743A1 Process and device for the production of a test strip |
| 02/24/1987 | US4645760 Bactericides |
| 02/24/1987 | US4645746 Digestion process |
| 02/24/1987 | US4645745 Digestion process |
| 02/24/1987 | US4645744 Unified test means for ion determination |
| 02/24/1987 | CA1218288A1 Multiple profile reagent card |
| 02/24/1987 | CA1218287A1 Method and device for use in chemical reactions and analyses |
| 02/17/1987 | US4643980 Glutaraldehyde indicator |
| 02/17/1987 | US4643979 Etching; staining test sheet |
| 02/17/1987 | US4643978 Method for detecting phosphorus segregates in metallic material |
| 02/17/1987 | US4643122 Diffusion controlled security tags |
| 02/17/1987 | CA1218000A1 Reagent test device holder |
| 02/12/1987 | WO1987000744A1 A transdermal dosimeter |
| 02/10/1987 | US4642294 Process for evaluating the state of the surface of keratinous fibres and a composition for making use of this process |
| 02/04/1987 | EP0210845A2 Rock analyser |
| 01/27/1987 | US4639424 Medical diagnosis, complexing with crown ether and anionic dye |
| 01/21/1987 | EP0209032A2 Multilayer analytical element and method of making, using ultrasonic or laser energy |
| 01/21/1987 | EP0208952A1 Test strip |
| 01/20/1987 | US4638023 Process for the production of reagent films and reagent films produced thereby |
| 01/20/1987 | US4637978 Multizonal, spectrophotometry, colors/materials; spreading, porosity |
| 01/17/1987 | CN85101147A Method and apparatus for saccharide analysis |
| 01/14/1987 | CN85105500A Fast measurement of gold content in high-content gold sample |
| 01/07/1987 | EP0207360A2 Diagnostic test device |
| 01/07/1987 | EP0085678B1 Indicator |
| 12/30/1986 | US4633413 Digital dilution apparatus and method |
| 12/30/1986 | US4632572 Impurity compensation for colorific content analyzer |
| 12/30/1986 | EP0206905A2 On line test and analysis method and apparatus to obtain a material balance of a chemical reaction |
| 12/30/1986 | EP0206815A1 Method for detecting gaseous hydrides |
| 12/30/1986 | EP0206075A1 Volume independent test device |
| 12/30/1986 | EP0206017A2 Solution for the determination of water according to Karl-Fischer |
| 12/30/1986 | EP0205950A1 Integral multilayer analytical element for measurement of alkaline phosphatase activity |
| 12/23/1986 | US4631687 Method and apparatus for analysis employing multiple separation processes |
| 12/23/1986 | US4631255 Diazotization, couplers, dye formation, bacterial diagnosis |
| 12/17/1986 | EP0205078A1 Test strips and process for the production of test strips |
| 12/16/1986 | US4629335 Indicator tube combined with a temperature gauge |
| 12/16/1986 | CA1215308A1 Devices to indicate residual concentrations of ethylene oxide in sterilized materials |