| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 436103000 | PHOSPHORUS CONTAINING | 19 |
| 20130095571 | THE METHOD FOR QUICK AND SIMULTANEOUS DETERMINATION OF 16 INORGANIC ANIONS AND ORGANIC ACIDS IN TOBACCO - The present invention discloses a method for quick and simultaneous determination of 16 inorganic anions and organic acids in tobacco by ion chromatography The retention behavior of inorganic anions and organic acids on the anion exchange column was investigated using potassium hydroxide produced by EGC-II KOH eluent autogenerator as eluent. The optimized gradient elution condition was obtained. The samples were prepared through extraction, filtration and dilution before analysis. The separation was performed on an anion exchange column. The time of the gradient elution program was 50 mins. Under the optimized conditions, the calibration of peak area for all the analytes were linear in the ranges of 10 | 04-18-2013 |
| 20110287551 | METAL SALT HYDROGEN SULFIDE SENSOR - A sensor made from a metal salt film, formed on a set of monitoring electrodes, by evaporation of a metal salt aqueous solution disposed on the electrodes, is used for detecting a weak acid. Low concentrations of the weak acid, such as ten ppm, are indicated as the conductivity of the film changes by several orders of magnitude, as a result of reaction of the weak acid with the metal salt, as the metal salt converts to a metal reaction product upon exposure to the weak acid. | 11-24-2011 |
| 20100120161 | METHOD OF ANALYZING INORGANIC PHOSPHORUS IN ORGANIC MATERIAL AND APPARATUS THEREFOR - A method for simply and rapidly analyzing inorganic phosphorus contained in an organic material and an apparatus for analyzing for carrying out the method of analyzing are provided. The method for analyzing inorganic phosphorus contained in an organic material includes the steps of pyrolyzing a sample composed of an organic material to gasify the sample, separating the pyrolyzed sample to fractions by gas chromatography, and detecting a fraction of a retention time corresponding to the inorganic phosphorus. The apparatus for analyzing inorganic phosphorus contained in an organic material includes gasification means for pyrolyzing a sample, and a gas chromatograph including a column for separating the pyrolyzed sample to fractions and a detector of a gas eluted from the column. | 05-13-2010 |
| 20100022017 | Inorganic phosphate assays - Binding of inorganic phosphate to a phosphate binding protein can result in changes to the stacking of appropriately positioned chromophores, thereby resulting in a detectable change. The invention provides a phosphate-binding protein that undergoes a conformational change from an initial conformation to a final conformation upon binding of phosphate, wherein the protein carries a first label and a second label, and wherein the first and second labels are arranged such that they exhibit molecular stacking that is perturbed on changing from one conformation to the other. Preferred labels are rhodamines. | 01-28-2010 |
| 20100173419 | METHOD AND DEVICE FOR DETERMINING THE PHOSPHORUS CONTENT OF AN AQUEOUS SAMPLE - Method for determining the phosphorus content of an aqueous sample, in particular drainage-water sample, wherein the sample is subjected to thermal-oxidative decomposition and the orthophosphate content of the decomposed sample is determined photometrically in an aqueous analysis solution, such that the thermal decomposition is carried out in a single step by catalyzer-free burning of the sample as batch-decomposition in a combustion oven, the resulting combustion gas is transferred out of the combustion oven in a carrier-gas stream and the combustion/carrier gas stream is cooled to obtain the aqueous analysis solution as a condensate therefrom. | 07-08-2010 |
| 20120270329 | FLUORIDE DISTILLATION APPARATUS AND QUANTIFYING METHOD OF SODIUM MONOFLUOROPHOSPHATE IN TOOTHPASTE USING SAME - The present invention relates to a fluoride distillation apparatus and a method for quantifying sodium monofluorophosphate among fluorides using the same, which increases the acid resistance of the hard tissues of the teeth and promotes remineralization of initial caries lesion. | 10-25-2012 |
| 436104000 | Organic (e.g., chemical warfare agents, insecticides, etc.) | 13 |
| 20130065319 | PHOTOCONDUCTIVE SENSOR MATERIALS FOR DETECTION OF EXPLOSIVE VAPOR - A photoconductive sensor compound for detecting explosives can have a structure I: | 03-14-2013 |
| 20080280370 | METHODS AND COMPOSITIONS FOR DETECTING GLYPHOSATE AND METABOLITES THEREOF - The present invention provides various methods and compositions which allow for determining the presence or amount of glyphosate, N-acetylglyphosate, N-acetyl AMPA or aminomethyl phosphoric acid (AMPA) and its various metabolites in a variety of test matrices. In one method, determining the presence or amount of N-acetylglyphosate and/or N-acetyl AMPA in a test sample comprises providing the test sample suspected of containing N-acetylglyphosate and/or N-acetyl AMPA; extracting the N-acetylglyphosate and/or N-acetyl AMPA from the test sample; and, detecting the N-acetylglyphosate and/or N-acetyl AMPA in the extract. In other methods, the presence or amount of at least one of glyphosate, N-acetylglyphosate, N-acetyl AMPA or aminomethyl phosphonic acid (AMPA) or a metabolite thereof in a test sample is determined. The method comprises providing the test sample suspected of containing at least one of glyphosate, N-acetylglyphosate, N-acetyl AMPA or AMPA or a metabolite thereof, extracting from the test sample at least one of the glyphosate, N-acetylglyphosate, N-acetyl AMPA or AMPA; and, detecting at least one of the glyphosate, the N-acetylglyphosate, the N-acetyl AMPA and the AMPA from the test sample; wherein detection of the glyphosate, N-acetylglyphosate, N-acetyl AMPA or AMPA occurs without derivatization of the glyphosate, the N-acetylglyphosate, N-acetyl AMPA or the AMPA. | 11-13-2008 |
| 20090011515 | Control of N-(Phosphonomethyl)Iminodiacetic Acid Conversion in Manufacture of Glyphosate - This invention relates to the preparation of N-(phosphonomethyl)glycine (“glyphosate”) from N-(phosphonomethyl)iminodiacetic acid (“PMIDA”), and more particularly to methods for control of the conversion of PMIDA, for the identification of reaction end points relating to PMIDA conversion and the preparation of glyphosate products having controlled PMIDA content. | 01-08-2009 |
| 20080261321 | Methods and Compositions for Detecting and Isolating Phosphorylated Molecules Using Hydrated Metal Oxides - The invention provides methods for detecting and isolating phosphomolecules using phosphoaffinity materials that comprise a hydrated metal oxide. In an embodiment, a method for detecting a phosphomolecule in a sample involves (a) contacting a sample with a phosphoaffinity material comprising a hydrated metal oxide, under conditions wherein a phosphomolecule is capable of binding to the phosphoaffinity material to form a phosphomolecule-phosphoaffinity material complex, and (b) detecting formation of a phosphomolecule-phosphoaffinity material complex, thereby detecting a phosphomolecule in the sample. In another embodiment, a method for isolating a phosphomolecule from a sample involves (a) contacting a sample with a phosphoaffinity material comprising a hydrated metal oxide, under conditions wherein a phosphomolecule is capable of binding to the phosphoaffinity material to form a phosphomolecule-phosphoaffinity material complex, wherein the hydrated metal oxide comprises yttrium, and (b) separating the phosphomolecule-phosphoaffinity material complex from the sample, thereby isolating the phosphomolecule from the sample. | 10-23-2008 |
| 20110059543 | METHODS FOR DETECTING OR MONITORING CANCER USING LPE AS A MARKER - A method of detecting a cancer, such as ovarian cancer, in a test subject including (a) determining the amount of a lysophosphatidyl ethanolamine in a sample of a bodily fluid taken from the test subject, and (b) comparing the amount of the lysophosphatidyl ethanolamine in the sample of the bodily fluid taken from the test subject to a range of amounts of the lysophosphatidyl ethanolamine found in samples of the bodily fluid taken from a group of normal subjects of the same species as the test subject and lacking the cancer, such as ovarian cancer, whereby a change in the amount of the lysophosphatidyl ethanolamine in the sample of the bodily fluid from the test subject indicates the presence of the cancer, such as ovarian cancer. | 03-10-2011 |
| 20110097810 | CONTROL OF N-(PHOSPHONOMETHYL)IMINODIACETIC ACID CONVERSION IN MANUFACTURE OF GLYPHOSATE - This invention relates to the preparation of N-(phosphonomethyl)glycine (“glyphosate”) from N-(phosphonomethyl)iminodiacetic acid (“PMIDA”), and more particularly to methods for control of the conversion of PMIDA, for the identification of reaction end points relating to PMIDA conversion and the preparation of glyphosate products having controlled PMIDA content. | 04-28-2011 |
| 20110053283 | Beverage Immersate with detection capability - Methods and systems described herein include beverage immersates and methods of their use. Systems include: at least one beverage immersate, wherein the at least one beverage immersate includes at least one sensor configured to detect at least one analyte in a fluid within a personal use beverage container; and at least one signal transmitter configured to transmit a signal responsive to the at least one beverage immersate. Methods include: detecting one or more analyte in fluid within a personal use beverage container with at least one sensor integral to at least one beverage immersate; and communicating data from the at least one beverage immersate to at least one device external to the beverage immersate. | 03-03-2011 |
| 20100285602 | ORGANOMETALLIC SENSOR DEVICE - The present invention relates to detectors for detecting fluorine-containing compounds and/or cyanide containing compounds, including hydrogen fluoride (HF) or HCN gas, hydrofluoric acid in solution, selected chemical warfare agents, selected industrial chemicals which may be hydrolysed to release HF or HCN gas, compounds containing a cyanide group, and compounds that can release HF or HCN. The detectors comprise i) an organometallic component containing at least one bis-substituted boryl group of the formula —B(R | 11-11-2010 |
| 20110065201 | NANOSTRUCTURE MATERIAL WITH METALLIC OXIDE AND METHOD FOR DETECTING PHOSPHORUS-CONTAINING COMPOUNDS - The invention provides a nanostructure material with metallic oxide including a product fabricated by the following steps: condensing silicon oxide or titanium oxide with a surfactant, obtaining a mesoporous silicon oxide or titanium oxide; mixing the mesoporous silicon oxide or titanium oxide with a metal or metallic compound and subjecting the mixture to a heterogeneous nucleation. According to another embodiment of the invention, the nanostructure material can also be fabricated by the following steps: subjecting silicon oxide or titanium oxide and a carbon black template to a calcination; mixing the results with a metal or metallic compound; and subjecting the mixture to a second calcinations. Further, in the invention, a method for detecting phosphorus-containing compounds employing the aforementioned nanostructure material is also provided. | 03-17-2011 |
| 20120122228 | Compositions And Methods For The Detection Of Chemical Warfare Agents - Compositions for detection of chemical warfare agents that comprise oximate anion reactive sites and fluorophore cores. Methods for detecting a chemical warfare agents that comprise providing a detector molecule comprising an oximate anion reactive site and a fluorophore core and detecting fluorescence from the detector molecule. Methods for enhancing the reactivity of an oximate nucleophile that comprise introducing an oxime into an aprotic solvent and deprotonating the oxime to form the oximate nucleophile with a base that creates noncoordinating anions. | 05-17-2012 |
| 20120178172 | FLUORESCENT POLYMERS OF 7-HYDROXYCOUMARIN COMPOUNDS, CHEMICAL SENSORS COMPRISING THEM, AND POLYMERIZABLE FLUORESCENT COMPOUND OF 7-HYDROXYCOUMARIN - Polymers and copolymers of polymerizable fluorescent compounds of 7-hydroxycoumarin such as Ethyl-2-methacrylate Umbelliferone-4-acetate are provided. In addition, a sensor comprising this polymer notably for detecting and/or assaying nitrated and organophosphorus compounds, explosives, and toxic compounds is provided. | 07-12-2012 |
| 20110275161 | METHOD OF DETECTING NERVE AGENTS USING NOVEL ASSAY AGENTS - The teachings provided herein are directed to compounds and methods for detecting nerve agents using rhodamine-derived detection compounds. A rhodamine-derived detection compound for nerve agents can include any rhodamine derivative that can bind to a nerve agent and produce a detectable signal for detection of the nerve agent. In some embodiments, the rhodamine-derived detection compound comprises rhodamine B-hydroxamate and the nerve agent can be detected in amounts as low as about 10 ppm. | 11-10-2011 |
| 20120288949 | DETECTION METHOD AND SENSOR BASED ON INTERPARTICLE DISTANCE - The present invention relates to a method for determining the presence or amount of a compound in a sample by interparticle distance-dependent sensing, comprising:
| 11-15-2012 |
