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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 8115922 | Apparatus and method for adapting conventional cuvettes for use in a vertical light beam spectrophotometer The invention relates to an apparatus and method for adapting conventional spectrophotometer cuvettes for use in a vertical light beam spectrophotometer. ... | 02/14/2012 |
| 8077311 | Spectrophotometric system for simultaneous flow-through measurements of dissolved inorganic carbon, pH and COfugacity Provided is a flow-through CO2 system for simultaneously measuring surface seawater pH, carbon dioxide fugacity (fCO2), and total dissolved inorganic carbon (DIC). All measurements are based on spectrophotometric determinations of solution pH at multiple wavelengths... | 12/13/2011 |
| 8072596 | System and method for on-line analysis and sorting of milk coagulation properties A method for on-line channeling of milk based on predicted coagulation properties where the method comprises sampling raw milk from a milk line between a milking station and a collection point, performing spectral analysis of one or more of optical transmission, opt... | 12/06/2011 |
| 7982873 | Method and system for correcting spectrophotometer differences A method and system are provided to correct differences among multiple spectrophotometers. In one form, one spectrophotometer of a plurality that may be present in an image rendering system is treated as “primary”. Additional spectrophotometers are treated as ... | 07/19/2011 |
| 7948620 | Method and apparatus for performing spectroscopy downhole with a wellbore An analysis system, tool, and method for performing downhole fluid analysis, such as within a wellbore. The analysis system, tool, and method provide for a tool including a spectroscope for use in downhole fluid analysis which utilizes an adaptive optical element su... | 05/24/2011 |
| 7940388 | Spectrophotometer When the apparatus is energized or a validation check is performed, a deuterium lamp 10 is turned on, and an output value resulting from an A/D conversion of the detection signal for light with a wavelength of 235 nm is obtained. A data processor 22 co... | 05/10/2011 |
| 7839501 | Method, apparatus and system for measuring the transparency of film A method is disclosed for measuring four factors contributing to transparency of a colored film, namely, Haze, Scatter, Gloss and Bronze values by utilizing a diffuse sphere spectrophotometer. ... | 11/23/2010 |
| 7791722 | Spectrophotometer A spectrophotometer is provided capable of reducing the influence of the vibration as much as possible when a wavelength dispersion element is rotationally driven and capable of increasing the analysis accuracy. When a fluorescence signal is obtained from the fluore... | 09/07/2010 |
| 7728971 | Method and apparatus for performing spectroscopy downhole within a wellbore An analysis system, tool, and method for performing downhole fluid analysis, such as within a wellbore. The analysis system, tool, and method provide for a tool including a spectroscope for use in downhole fluid analysis which utilizes an adaptive optical element su... | 06/01/2010 |
| 7719680 | Spectroscope and method performing spectroscopy utilizing an adaptive optical element A spectroscope designed to utilize an adaptive optical element such as a micro mirror array (MMA) and two distinct light channels and detectors. The devices can provide for real-time and near real-time scaling and normalization of signals. ... | 05/18/2010 |
| 7573572 | Drift tube amplifier and method to amplify current A drift tube amplifier having an input and an output. The drift tube amplifier including a current-to-voltage converter for converting input current to a voltage, a band pass filter assembly for reducing unwanted noise within the voltage, a voltage controlled amplif... | 08/11/2009 |
| 7508506 | Method and apparatus for performing spectroscopy downhole within a wellbore An analysis system, tool, and method for performing downhole fluid analysis, such as within a wellbore. The analysis system, tool, and method provide for a tool including a spectroscope for use in downhole fluid analysis which utilizes an adaptive optical element su... | 03/24/2009 |
| 7489396 | Spectrophotometric camera A spectrophotometric camera and method for measuring spectral energy in different wavelength bands at a plurality of locations are disclosed. The spectrophotometric camera comprises: a light source for sequentially producing light in different wavelength bands; an i... | 02/10/2009 |
| 7456955 | Spectrophotometer with light emitting diode illuminator In one embodiment, the invention is spectrophotometer with a light emitting diode illuminator. In one embodiment, a spectrophotometer for characterizing a reflectance spectrum of a specimen includes an optical assembly for illuminating the specimen, where the optica... | 11/25/2008 |
| 7440098 | Spectroscope and method of performing spectroscopy utilizing a micro mirror array A spectroscope designed to utilize an adaptive optical element such as a micro mirror array (MMA) and two distinct light channels and detectors. The devices can provide for real-time and near real-time scaling and normalization of signals. ... | 10/21/2008 |
| 7437000 | Full spectrum color detecting pixel camera This invention comprises the means for the capture of full spectrum images in an electronic camera without the use of color primary filters to limit the spectral color gamut of the captured image. The fundamental principle of the invention is that each pixel of the ... | 10/14/2008 |
| 7436511 | Analyte filter method and apparatus The invention comprises a method and apparatus for enhancing the analysis of noninvasive spectra, resulting in improved analytical performance. More particularly, the invention comprises a method and apparatus for processing noninvasive spectra with an analyte filte... | 10/14/2008 |
| 7433056 | Scatterometry metrology using inelastic scattering A system for characterizing material properties in miniature semiconductor structures performs a scatterometry analysis on inelastically scattered light. The system can include a narrowband probe beam generator and a detector. A single wavelength probe beam from the... | 10/07/2008 |
| 7433552 | Obtaining analyte information Light, such as from an analyte-wavelength converter or other optical sensor, is propagated to a detector or transmission structure with an entry surface and with output positions such as in an exit surface. For example, the position of light output by such a detecto... | 10/07/2008 |
| 7417729 | Fluid verification system and method for infusions An apparatus and method are provided to verify the composition of a medical fluid in a fluid container. The verification is performed at a centralized location, where light is transmitted through the fluid and detected by a sensor that generates signals representati... | 08/26/2008 |
| 7403284 | Integrated optics based high-resolution spectrophotometer A spectrophotometer capable of high spectral resolution (e.g., in the GHz range) is presented. The spectrophotometer includes a container for holding a sample, an arrayed-waveguide grating coupled to the sample holder, and a detector array coupled to the arrayed-wav... | 07/22/2008 |
| 7399445 | Chemical sensor A sensor device is formed from a metal film having a plurality of openings, a sensor material positioned within each of the openings, a light source that emits light having a first wavelength, and a light detector that detects light emitted from the light source and... | 07/15/2008 |
| 7396509 | Instrument for detecting light emitted by the contents of a reaction receptacle An automated analyzer for performing multiple diagnostic assays simultaneously includes multiple stations, or modules, in which discrete aspects of the assay are performed on fluid samples contained in reaction receptacles. The analyzer includes stations for automat... | 07/08/2008 |
| 7390788 | Peptide pharmaceutical compositions The present invention relates to alkylglycoside-containing compositions and methods for increasing the stability, reducing the aggregation and immunogenicity, increasing the biological activity, and reducing or preventing fibrillar formation of a peptide, polypeptid... | 06/24/2008 |
| 7382455 | Spectrophotometric optical system of microplate reader and filter wheel thereof A spectrophotometric optical system of a microplate reader and a filter wheel thereof are disclosed. The filter wheel comprises a pivotable wheel body, at least one narrow-band filter with a relatively long central wavelength mounted to the wheel body, and at least ... | 06/03/2008 |
| 7368292 | Differential reflection spectroscopy system and method for detecting explosives and other target materials A system and method for identifying explosive or other target materials includes the steps of irradiating a first location and a second location spaced apart from the first location from a sample suspected of including explosives with ultraviolet, visible or infrare... | 05/06/2008 |
| 7365842 | Light scanning type confocal microscope A light scanning type confocal microscope includes a light source unit that projects an excitation light beam, a scanning optical system that scans the excitation light beam, an objective lens that applies the excitation light beam to a sample, a separation optical ... | 04/29/2008 |
| 7365843 | Spectral photometer and associated measuring head A spectral photometer intended for integration purposes includes a measurement head equipped with illumination arrangement including at least one light source for the illumination at an angle of incidence of 45° of a measured object and located in a measurement pla... | 04/29/2008 |
| 7359049 | Light source device and spectrophotometer with the light source device A light source device for a spectrophotometer includes a light source chamber, a light source retained in the light source chamber and having an electrode therein for generating light, an electrode support part connected to the electrode and extending outside the li... | 04/15/2008 |
| 7352460 | Directed color standard and method for using same The present invention discloses a method for establishing a directed color standard. Color reflectance data is measured from a fabric to construct an initial color standard. Because all fabrics have inherent quality fluctuations, a second series of color reflectance... | 04/01/2008 |
| 7341450 | Tooth shade scan system and method A tooth shade scan system is provided that identifies tooth shades for a patient's tooth. An electronic database of tooth shade information for a shade guide may be stored. The database may include shade information based on tooth regions (e.g., the incisal, central... | 03/11/2008 |
| 7342657 | Dual illumination angle goniometric spectrophotometer The present disclosure provides for a device, as well as a system and method associated therewith, for, among other things, providing: (i) up to five distinct measurement angles along with an illumination reference channel; (ii) a plurality of illumination sources t... | 03/11/2008 |
| 7339668 | Spectrometer for analysis of multiple samples A spectrometer (100) includes a light source (102) providing output light (106) to the bundled input ends (108) of multiple light pipes (110). The light pipes (110) branch into sets (118) between their input ends (... | 03/04/2008 |
| 7340127 | Full-band optical spectrum analyzer and method A method for optical spectrum analysis provides a tunable optical filter and scans a wavelength range of an optical signal that is larger than the free spectrum range of the tunable optical filter. The optical signal is filtered through the tunable optical filter. S... | 03/04/2008 |
| 7339674 | Apparatus and method for changing the color of a flow of fluid A color adjustment system for changing the color of fluid flowing from a source. The color adjustment system includes a main mixing pipe connected to storage vessels to continuously receive flows of colorants from the storage vessels. A fluid inspection cell is conn... | 03/04/2008 |
| 7336354 | Spectrophotometer A spectrophotometer having an optical system for directing a beam of substantially monochromatic excitation light to a liquid sample contained in a well (3) of a well plate for interaction with the sample for absorption or emission measurements to analyse the... | 02/26/2008 |
| 7330256 | Spectrophotometric system with reduced angle of incidence A system uses reflectance spectrophotometry to characterize a sample having any number of structures. The system uses toroidal mirrors that are shaped in such a way that the angle of reflectance off of the target is small. The small angle of reflectance may allow fo... | 02/12/2008 |
| 7327458 | Spectral sensitivity composing system An output current from each pixel sensor can be extracted at an arbitrary ratio by a current divider. An arithmetic control unit sets the dividing ratio in correspondence to a color matching function. The current components are added together by a summing amplifier ... | 02/05/2008 |
| 7321423 | Real-time goniospectrophotometer In accordance with embodiments of the present invention, a goniospectrophotometer is provided for quickly obtaining a goniospectrum using a goniospectrophotometer. In some embodiments, a parabolic reflector is used to optically transform the angular space of a sourc... | 01/22/2008 |
| 7321791 | Spectral imaging of deep tissue Apparatus and methods are provided for the imaging of structures in deep tissue within biological specimens, using spectral imaging to provide highly sensitive detection. By acquiring data that provides a plurality of images of the sample with different spectral wei... | 01/22/2008 |
