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Class Information
Number: 250/339.12
Name: Radiant energy > Invisible radiant energy responsive electric signalling > Infrared responsive > With selection of plural discrete wavelengths or bands > With radiation source > Using sample absorption for chemical composition analysis
Description: Subject matter wherein chemical constituents or properties of a sample are determined by detecting and analyzing infrared radiation that has interacted with the sample.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7442936 |
Infrared spectroscopy method for measuring the base number of overbased lubricants |
Oct. 28, 2008 |
| 7442935 |
Device for analyzing the composition of the contents of a container |
Oct. 28, 2008 |
| 7436500 |
Near infrared chemical imaging microscope |
Oct. 14, 2008 |
| 7433552 |
Obtaining analyte information |
Oct. 7, 2008 |
| 7414244 |
Mixing ration detecting apparatus, method of controlling mixing ration detecting apparatus, and fuel cell system incorporating mixing ratio detecting apparatus |
Aug. 19, 2008 |
| 7399968 |
Spectroscopic instruments and methods employing array detector and variable filtering |
Jul. 15, 2008 |
| 7354553 |
Method and apparatus for detecting the presence of elemental mercury in a gas sample |
Apr. 8, 2008 |
| 7339657 |
Low-cost on-line and in-line spectral sensors based on solid-state source and detectors combinations for monitoring lubricants and functional fluids |
Mar. 4, 2008 |
| 7335885 |
Ultra low power NDIR gas sensor fire detector |
Feb. 26, 2008 |
| 7326576 |
Raman spectroscopic monitoring of hemodialysis |
Feb. 5, 2008 |
| RE39977 |
Near infrared chemical imaging microscope |
Jan. 1, 2008 |
| 7312452 |
Mobile remote detection device and remote detection method for methane gas accumulations |
Dec. 25, 2007 |
| 7288768 |
Method for measuring the amount of an organic substance in a food product with infrared electromagnetic radiation |
Oct. 30, 2007 |
| 7276700 |
Method of analysing a pharmaceutical sample |
Oct. 2, 2007 |
| 7276701 |
Method of infrared-optically determining the concentration of at least one analyte in a liquid sample |
Oct. 2, 2007 |
| 7274456 |
Non-destructive single seed or several seeds NIR analyzer and method |
Sep. 25, 2007 |
| 7274457 |
Non-destructive derivation of weight of single seed or several seeds |
Sep. 25, 2007 |
| 7268861 |
Near infrared chemical imaging microscope |
Sep. 11, 2007 |
| 7260485 |
Method and systems for distinguishing between materials having similar spectra |
Aug. 21, 2007 |
| 7256875 |
Method for detection of pathogenic microorganisms |
Aug. 14, 2007 |
| 7255835 |
Single pass attenuated total reflection fourier transform infrared microscopy apparatus and method for identifying protein secondary structure, surface charge and binding affinity |
Aug. 14, 2007 |
| 7233001 |
Multi-channel infrared optical phase fraction meter |
Jun. 19, 2007 |
| 7230244 |
Method and apparatus for the detection of terahertz radiation absorption |
Jun. 12, 2007 |
| 7227147 |
Process for monitoring and controlling nitrating processes with the aid of an online spectrometer |
Jun. 5, 2007 |
| 7214939 |
Ultra low power NDIR carbon dioxide sensor fire detector |
May. 8, 2007 |
| 7197405 |
Interactive method of providing analysis of potency and purity of pharmaceutical compounds |
Mar. 27, 2007 |
| 7193213 |
Method for measurement of silanol group concentration and cell for measurement |
Mar. 20, 2007 |
| 7186979 |
Passive NDIR carbon dioxide sensor fire detector |
Mar. 6, 2007 |
| 7176460 |
Passive NDIR gas sensor fire detector |
Feb. 13, 2007 |
| 7173536 |
Substance detection and alarm using a spectrometer built into a steering wheel assembly |
Feb. 6, 2007 |
| 7161151 |
Plastic identifying method |
Jan. 9, 2007 |
| 7157713 |
Device and method for identifying plastic |
Jan. 2, 2007 |
| 7153391 |
Method in connection with the production of pulp, paper or paperboard |
Dec. 26, 2006 |
| 7145147 |
Apparatus and methods of determining chemical properties of a resin-based material using infrared absorbance |
Dec. 5, 2006 |
| 7122799 |
LED or laser enabled real-time PCR system and spectrophotometer |
Oct. 17, 2006 |
| 7102131 |
Device for photometric measurement of several samples |
Sep. 5, 2006 |
| 7091487 |
Non-dispersive ir measurement of gases using an optical filter |
Aug. 15, 2006 |
| 7067812 |
Multispectral selective reflective Lidar |
Jun. 27, 2006 |
| 7067811 |
NIR spectroscopy method for analyzing chemical process components |
Jun. 27, 2006 |
| 7068357 |
Near infrared chemical imaging microscope |
Jun. 27, 2006 |
| 7064329 |
Amplifier-enhanced optical analysis system and method |
Jun. 20, 2006 |
| 7038193 |
Method and device for separating different emission wavelengths in a scanning microscope |
May. 2, 2006 |
| 7030380 |
Apparatus for on-line monitoring quality/condition of fluids |
Apr. 18, 2006 |
| 7016026 |
Method and apparatus for a downhole refractometer and attenuated reflectance spectrometer |
Mar. 21, 2006 |
| 7012255 |
Method of measuring the concentration of hydroperoxides of alkylaromatic hydrocarbons |
Mar. 14, 2006 |
| 7009180 |
Pathlength-independent methods for optically determining material composition |
Mar. 7, 2006 |
| 6992293 |
Real-time infrared chemical imaging spectroscopic apparatus |
Jan. 31, 2006 |
| 6993444 |
Measuring method of component concentration in solution |
Jan. 31, 2006 |
| 6989277 |
Method for immunoassays based on infrared reflection absorption spectroscopy |
Jan. 24, 2006 |
| 6975891 |
Raman spectroscopic system with integrating cavity |
Dec. 13, 2005 |
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