Patents
Sitemap › G01 - Measuring; Testing › G01N - Investigating or analysing materials by determining their chemical or physical properties › G01N 21 - Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light
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)
11/1989
11/29/1989EP0232265B1 Process and device for testing liquid medicaments
11/29/1989CN2048581U Non-normal incidence in situ temp. changing diffuse reflect infrared basin
11/29/1989CN1005929B Fluid flow tube for measuring light intensity absorption
11/28/1989US4884213 Method for quantitative analysis of analyte in liquid sample using analytical element
11/28/1989US4883972 Monitoring equipment for detection of emission
11/28/1989US4883963 Optical analysis method and apparatus having programmable rapid random wavelength access
11/28/1989US4883954 Method of measuring optical radiation energy reflected by a reflection area
11/28/1989US4883953 Spectroscopic method and apparatus for measuring sugar concentrations
11/28/1989US4883952 Optical birefringment parameter measuring sensor
11/28/1989US4883763 Sample processor card for centrifuge
11/23/1989EP0343143A2 Process and apparatus for measuring the lambda and/or the air/fuel ratio
11/23/1989EP0343037A1 Optical sensor of the passive optode kind, especially for use in spectro fluorimetry and Raman spectrometry
11/23/1989EP0343018A2 Spectroscopes
11/23/1989EP0342891A1 Fluorescent intracellular calcium indicators
11/23/1989EP0342881A1 Linewidth loss measurement
11/23/1989EP0342730A2 Device for determining the erythrocyte sedimentation rate of blood samples
11/23/1989EP0342647A2 Method for examining sheet-like objects
11/23/1989EP0342212A1 A magnetic particle inspection apparatus and system
11/23/1989DE3913481A1 Bewertung von vorgaengen durch isotopenanreicherung Review of operations by isotope enrichment
11/23/1989DE3822788C1 Photometer to analyse liquid media
11/21/1989US4882499 Fiber-optic detector for oils and solvents
11/21/1989US4882498 Pulsed-array video inspection lighting system
11/21/1989US4882493 Sample holders or reflectors for intact capsules and tablets and for liquid microcells for use in near-infrared reflectance spectrophotometers
11/21/1989US4882492 Non-invasive near infrared measurement of blood analyte concentrations
11/21/1989US4882288 Thin film of fluorescent material capable of binding with species; measuring change in fluroescence
11/21/1989US4881818 Differential imaging device
11/21/1989US4881812 Apparatus for determining base sequence
11/21/1989US4881811 Remote color measurement device
11/21/1989CA1263074A1 Mount for ammonia-sensitive test elements
11/21/1989CA1263073A1 Luminescent assay
11/16/1989WO1989011093A1 Substrate examining apparatus and method of operating same
11/16/1989WO1989011092A1 Interferometric gauge for measuring of concentration
11/16/1989WO1989011090A1 A method and a system for handling sample materials, e.g. in mixing plants, for central analysis of the samples
11/16/1989WO1989010972A1 Novel reagent and method for assaying hydrogen peroxide
11/16/1989DE3902609A1 Einrichtung zur automatischen photometrischen analyse kleinster probenmengen Device for automatic photometric analysis of very small sample volumes
11/16/1989DE3902565A1 Method for the equalisation of low-frequency signal fluctuations in flame photometry
11/16/1989DE3815539A1 Device for the automatic testing of hollow glassware, for example bottles, for damage in the region of the opening
11/16/1989DE3814898A1 Arrangement for the monitoring of needles
11/15/1989EP0342127A2 Method for determining the optical quality of flat glass or products from flat glass
11/15/1989EP0341928A1 Improvements relating to surface plasmon resonance sensors
11/15/1989EP0341927A1 Biological sensors
11/15/1989EP0341884A1 Novel reagent and method for assaying hydrogen peroxide
11/15/1989EP0341806A2 Apparatus for inspecting circuit boards with surface mounted components
11/15/1989EP0341685A2 Image processing apparatus and method for inspecting defects of enclosures of semiconductor devices
11/15/1989EP0341483A2 Device for measuring and processing spectra of proper fluorescence from surfaces of organic tissues
11/15/1989EP0341305A1 Modular fiber optic chemical sensor.
11/15/1989EP0341249A1 Developing system and a method of using the developing system for detection of carboxylic acids.
11/15/1989EP0341248A1 Method and apparatus for control of dry line on the wire of a fourdrinier paper machine.
11/15/1989EP0140502B1 Improvements relating to smoke detection apparatus
11/15/1989CN1037218A Method for detecting presence of contaminants in reusable plastic food or beverage container
11/15/1989CN1037217A Inspecting glass containers for line-over finish defects
11/15/1989CN1037215A Method used in measuring quickly the content of bilirubin by a test paper
11/15/1989CN1037214A Wavelength dispersion electrophoresis apparatus
11/14/1989US4881183 Method and apparatus for emission testing
11/14/1989US4881181 Process for the determination of controlled variables for the inking unit of printing presses
11/14/1989US4880752 Dielectric waveguide sensors and their use in immunoassays
11/14/1989US4880749 Barium sulfate in polymer
11/14/1989US4880748 Method for control of visbreaker severity
11/14/1989US4880732 Propidium iodide, fluorescent dyes
11/14/1989US4880304 Optical sensor for pulse oximeter
11/14/1989EP0187830A4 Electro-optical device and method for monitoring instantaneous singlet oxygen concentration produced during photoradiation using a cw excitation source.
11/14/1989CA1262862A1 Tetrapyrrole therapeutic agents
11/09/1989DE3912724A1 Device for discrete comparative transmission-spectroscopic measurements using a rotating cell
11/09/1989DE3814606A1 Method and device for detecting structures of a surface of a planar item (article)
11/08/1989EP0341096A2 A method of identifying individual objects or zones
11/08/1989EP0341095A2 Identifying the position of objects or zones
11/08/1989EP0341094A2 Identifying specific objects or zones
11/08/1989EP0341093A2 Identifying gemstones
11/08/1989EP0341092A2 A method of identifying specific objects or zones
11/08/1989EP0340915A2 Optical system for a multidetector array spectrograph
11/08/1989EP0340675A2 Time-resolved fluorimetric detection of lanthanide labeled nucleotides
11/08/1989EP0340577A2 Method and device for determining the refractive index of a substance
11/08/1989EP0340519A2 Pneumatic detector for NDIR analytical devices
11/08/1989EP0340437A2 Apparatus and method for measuring dark and bright reflectances of sheet material
11/08/1989EP0340279A1 Uv scanning system for centrifuge
11/08/1989EP0222905B1 A thermostated cuvette set
11/08/1989CN2047376U Appraising board for chrysanthemum ester pesticide
11/08/1989CN2047375U Drive testing device for driver after drinking
11/07/1989US4879471 Rapid-scanning infrared sensor
11/07/1989US4879097 Dispensing device and recording apparatus
11/07/1989US4879000 On paper
11/07/1989US4878971 Method of continuously assembling chemical analysis slides
11/07/1989US4878756 Method and apparatus for sensing color
11/07/1989US4878755 Process and device for measuring the optical properties of thin layers
11/07/1989US4878747 Aperture image beam splitter
11/07/1989US4878736 Control means and method for optical inspection system
11/02/1989WO1989010574A1 Resonance assisted domain and domain-wall spectroscopy
11/02/1989WO1989010566A1 Process for forming and using microdroplets
11/02/1989WO1989010562A1 Method and device for analyzing thrombocyte aggregation
11/02/1989WO1989010552A1 Apparatus for conducting a plurality of simultaneous measurements of electrochemiluminescent phenomena
11/02/1989WO1989010551A1 Method and apparatus for conducting electrochemiluminescence measurements
11/02/1989WO1989010550A1 A detector for fluorescence and absorption spectroscopy
11/02/1989WO1989010549A2 Radiation/microbe bioassay
11/02/1989EP0340184A2 Method and apparatus for determining the concentration of a substance which is bonded to particles in a flowing medium
11/02/1989EP0340018A2 Composition, apparatus and method for sensing ionic components
11/02/1989EP0339885A2 Method and device for nondestructive evaluation
11/02/1989EP0339850A2 Color test meter
11/02/1989EP0339769A1 Multi-well filter strip and composite assemblies
11/02/1989EP0339582A2 Fluorescence microscope system
11/02/1989EP0339277A1 Reaction vessel for performing sequential analytical assays
1 ... 1712 1713 1714 1715 1716 1717 1718 1719 1720 1721 1722 1723 1724 1725 1726 1727 1728 1729 1730 1731 1732 ... 1814