| Patents for G01N 21 - Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light (181,396) |
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| 12/05/1990 | EP0400972A2 Fluorescent degree of cure monitors |
| 12/05/1990 | EP0400881A2 A technique for object orientation detection using a feed-forward neural network |
| 12/05/1990 | EP0400777A2 Method of inspecting die for forming honeycomb structure |
| 12/05/1990 | EP0400639A2 System for enriching a probe substance for spectroscopic applications in flow-injection analysis |
| 12/05/1990 | EP0400513A2 Device for analysing mercury or hydride-generators by atomic absorption spectrometry |
| 12/05/1990 | EP0400512A2 Device for testing samples for mercury and/or hydride-generators |
| 12/05/1990 | EP0400386A2 Process for determining the recombination velocity of minority charges at the borders between semiconductors and other substances |
| 12/05/1990 | EP0400373A2 Method for the spatial determination of the diffusion length of minority charge carriers in a semiconductive crystal body with the aid of an electrolytic cell |
| 12/05/1990 | EP0400342A1 Method of infra red analysis |
| 12/05/1990 | EP0400044A1 Device and method capable of detecting small particles in a fluid |
| 12/05/1990 | EP0371054A4 Rotor for processing liquids using movable capillary tubes |
| 12/05/1990 | EP0341249A4 Developing system and a method of using the developing system for detection of carboxylic acids |
| 12/05/1990 | CN2066980U Measuring device for colour liquid |
| 12/05/1990 | CA2018191A1 Remote sensing gas analyzer |
| 12/04/1990 | US4975972 Method and apparatus for surface inspection |
| 12/04/1990 | US4975971 Method and apparatus for detecting significant difference of sheet material |
| 12/04/1990 | US4975582 Pressure-modulated infrared gas analyzer and method |
| 12/04/1990 | US4975581 Method of and apparatus for determining the similarity of a biological analyte from a model constructed from known biological fluids |
| 12/04/1990 | US4975568 Container inspecting apparatus with a light shielding member shaped to container profile |
| 12/04/1990 | US4975533 Method for the fluorescent labelling of sugars |
| 12/04/1990 | US4975249 Optical and capacitance type, phase transition, humidity-responsive devices |
| 12/04/1990 | US4975237 Dynamic light scattering apparatus |
| 12/04/1990 | US4974963 Portable and autonomous instrument for analyzing a gaseous composition by means of flame spectrophotometry |
| 12/04/1990 | US4974929 Fiber optical probe connector for physiologic measurement devices |
| 12/04/1990 | US4974552 Engine control system responsive to optical fuel composition sensor |
| 12/04/1990 | CA1277432C Semiconductor device fabrication including a non- destructive method for examining lithographically defined features |
| 12/04/1990 | CA1277154C Process for imaging geologic samples for optical analysis, and device used in said process |
| 12/04/1990 | CA1277110C Method for cooking control of lignocelluloses by ftir spectroscopy |
| 12/01/1990 | WO1990015322A1 Texture measuring method and texture control method and apparatus using the texture measuring method |
| 12/01/1990 | WO1990015321A2 Rotor and method for automatically processing liquids for laboratory and bioanalysis purposes |
| 12/01/1990 | WO1990015040A1 Chemiluminescent double-triggered 1,2-dioxetanes |
| 12/01/1990 | CA2053894A1 Rotor and method for automatically processing liquids for laboratory and bioanalysis purposes |
| 12/01/1990 | CA2017617A1 Fiber optic damage detection system |
| 11/30/1990 | CA2017031A1 Apparatus for the measurement of aerosols and dust or the like distributed in air |
| 11/30/1990 | CA2015893A1 Fluorescent degree of cure monitors |
| 11/29/1990 | WO1990014597A1 Area-modulated luminescence (aml) |
| 11/29/1990 | WO1990014589A1 High sensitivity fluorescent single particle and single molecule detection apparatus and method |
| 11/29/1990 | WO1990014588A1 Arrangement for control of cells suspended in fluid |
| 11/29/1990 | WO1990014414A1 Apparatus for detection of microorganisms |
| 11/28/1990 | EP0399945A2 Apparatus for the detection of contaminations, impurities and fibres in textile fibre materials |
| 11/28/1990 | EP0399562A2 Pattern area ratio measuring apparatus |
| 11/28/1990 | EP0399438A2 Method for the non-radioactive determination of nucleic acid synthesis in eucaryotic cells |
| 11/28/1990 | EP0399012A1 Method and apparatus for providing quality assurance and calibration assurance in a spectrophotometer |
| 11/28/1990 | EP0398963A1 Control means and method for optical inspection system |
| 11/28/1990 | EP0225474B1 Test strip identification |
| 11/28/1990 | EP0193590B1 Apparatus for sensing the condition of a document |
| 11/28/1990 | CN1047389A Method to prepare specimen for light spectrum analysis |
| 11/28/1990 | CN1010615B Colouring-permeating liquid for detecting flaw |
| 11/28/1990 | CN1010614B Analyzer for local molecular structure |
| 11/28/1990 | CN1010613B Comparative optical analytic method and laser optical analyser therefor |
| 11/27/1990 | WO1990014580A1 Pulsating infrared radiation source |
| 11/27/1990 | US4974261 Optical surface inspection method |
| 11/27/1990 | US4974219 Polarizing beam splitter using dielectric multilayers |
| 11/27/1990 | US4973853 Remote subsurface water temperature measuring apparatus with Brillouin scattering |
| 11/27/1990 | US4973844 Vehicular moisture sensor and mounting apparatus therefor |
| 11/27/1990 | US4973561 Method for non-segmented continuous flow analysis based on the interaction of radiation with a solid material situated in a flow-through cell |
| 11/27/1990 | US4973163 Method for measuring birefringence |
| 11/27/1990 | US4973160 SHG autocorrelator |
| 11/27/1990 | US4973159 Spectroscope apparatus and reaction apparatus using the same |
| 11/27/1990 | US4972935 Apparatus for fixing the position of test zones of a test strip and for reversing the latter |
| 11/27/1990 | CA1277005C Smoke detection apparatus |
| 11/27/1990 | CA1276863C Compositions useful for detecting the presence of oxygen, process forthe preparation of these compositions and oxygen detectors comprising them |
| 11/27/1990 | CA1276812C Optical method to study the stability of colloidal systems |
| 11/27/1990 | CA1276809C Producing signals responsive to a parameter of successive objects |
| 11/26/1990 | CA2056996A1 Arrangement for mounting a tube or member provided with a flange |
| 11/26/1990 | CA2017557A1 Apparatus and method for detecting and locating raman signals in an optical fibre |
| 11/22/1990 | EP0398781A2 Method and apparatus for low angle, high resolution surface inspection |
| 11/22/1990 | EP0398462A2 Procedure and equipment for optical spark-emission spectrometry |
| 11/22/1990 | EP0398444A1 Method and apparatus for testing and further processing eggs |
| 11/22/1990 | EP0398407A1 Device for measuring the refractive index of a fluid, in particular intended for measuring the density of that fluid or the concentration of a substance dissolved in that fluid |
| 11/22/1990 | EP0397833A1 Article inspections system for analyzing end and adjacent sides |
| 11/22/1990 | DE3915692A1 Fluorescence process measuring method - using switched laser, fluorescent light detection system with variable gain |
| 11/20/1990 | WO1990014581A1 Apparatus for emitting and receiving light |
| 11/20/1990 | US4972493 Method for inspection of surfaces |
| 11/20/1990 | US4972331 Phase modulated spectrophotometry |
| 11/20/1990 | US4972093 Inspection lighting system |
| 11/20/1990 | US4972092 Apparatus for determining the effective surface roughness of polished optical samples by measuring the integral scattered radiation |
| 11/20/1990 | US4972091 Method and apparatus for detecting the presence of flaws in a moving sheet of material |
| 11/20/1990 | US4971918 Kit with a detectable color signal for detection of blood, ur ine etc for drugs, glucose |
| 11/20/1990 | US4971447 Method for measuring concentration of chemical substances |
| 11/20/1990 | US4971441 Method and apparatus for determining the concentration of a substance which is bonded to particles in a flowing medium |
| 11/20/1990 | US4971438 Graphite tube furnace with specimen support for atomic absorption spectroscopy |
| 11/20/1990 | US4971437 Optical spectral analysis system and method |
| 11/20/1990 | US4971077 On-line tobacco evaluation system and method |
| 11/20/1990 | CA1276532C Method for the continuous measurement of the partial pressure of gases and vapors |
| 11/20/1990 | CA1276482C Method for assessing diamond quality |
| 11/19/1990 | WO1990014590A1 Devices for use in chemical test procedures |
| 11/18/1990 | WO1990014591A1 Method for simultaneous control of cleaning and hygiene and agent for use when carrying out the method |
| 11/18/1990 | CA2057008A1 Method for simultaneous control of cleaning and hygiene and agent for use when carrying out the method |
| 11/16/1990 | WO1990014633A1 Optical robotic canopy polishing system |
| 11/16/1990 | CA2033058A1 Optical robotic canopy polishing system |
| 11/15/1990 | WO1990013810A1 System of fluid inspection and/or identification |
| 11/15/1990 | WO1990013809A1 Methods and apparatus for the determination of chlorine |
| 11/15/1990 | WO1990013808A1 Reflection fluorimeter |
| 11/15/1990 | WO1990013663A1 Process for determining biological activities in a sample and a device for implementing it |
| 11/15/1990 | DE3915421A1 Periodic, alternating monochromatisation of polychromatic light beam - is used esp. for top illumination microscopy, and has dichroitical colour dividers, chopper and interference filters |
| 11/14/1990 | EP0397641A2 Method for quantitatively determining a chemical parameter of a sample |
| 11/14/1990 | EP0397568A2 Inspection method for a mixture of glass balls and fillings, especially used for improving the visibility of road markings at night |
| 11/14/1990 | EP0397496A1 A calibration cup for in vitro calibration of an oxygen saturation monitor and method of using same |
| 11/14/1990 | EP0397469A2 Background correction method for use in gas chromatography |