U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 6368227

Method of swinging on a swing

A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 436/81 - Zn, Cd, Hg, Sc, Y, or Actinides, or Lanthanides


Subclass of Class 436 - Chemistry: analytical and immunological testing
Definition: Processes for the analysis of zinc, cadmium, mercury, scandium,
No. of patents: 160
Last issue date: 04/03/2012


1        
NumberTitleIssue Date
8148158Calix[4]arenes for the selective detection of Zn
Calix[4]arenes of Formula I are useful for selectively detecting Zn2+ ion. ...
04/03/2012
8124416Selective and sensitive detection of mercuric ion by novel dansyl-appended calix[4] arene molecules, via fluorescence quenching
In particular, Compounds of Formula I or Formula II, generally known as calix[4]arenes, may be prepared. The compounds may be used to test samples for the presence of Hg2+ by fluorescence quenching. The compounds may also be used to selectively detect Hg
02/28/2012
8119409Mercury ionic gas standard generator for a continuous emissions monitoring system
A mercury ionic gas standard generator for use in the continuous emissions monitoring of exhaust flue gas streams is disclosed. More specifically, the mercury ionic gas standard generator uses a reservoir being coated with an inert silicon-based coating for transpor...
02/21/2012
80580748-hydroxyquinoline acetamide compound, 8-hydroxy quinoline thioamide compound and use thereof
Disclosed are a novel 8-hydroxyquinoline acetamide compound, an 8-hydroxyquinoline thioamide and use thereof. More specifically, disclosed are a novel 8-hydroxyquinoline thioamide compound suitable for use as a selective chemodosimeter that shows considerably high d...
11/15/2011
8058075Molecular fluorescence sensor for highly sensitive and selective detection of mercury
A fluorescent sensor compound based on a perylene core is described and disclosed. The fluorescent sensor compound for detecting mercury can have a structure I: where A and A′ are linking groups, B and B′ are binding li...
11/15/2011
8034622Selective detection of Hg2+ by calix[4]arenes
Provided herein are compounds, methods of making the compounds and methods for the sensitive and selective detection of Hg2+ with the compounds, which are calix[4]arenes. In particular, compounds of Formula I, wherein the variables have the values describ...
10/11/2011
7939330Fluorescent probe
A fluorescent probe which specifically and efficiently traps nitrogen monoxide, zinc ion etc. to emit fluorescence is provided. A compound represented by the following general formula (I): [wherein R1 and ...
05/10/2011
7888126Filter for determination of mercury in exhaust gases
An apparatus, process, coating, and filter for the accurate measurement of total mercury concentration in flue gas. In one aspect, the concentrations of both elemental and oxidized mercury are preserved by the apparatus for analysis. Accordingly, embodiments of the ...
02/15/2011
7727767Method for quantitative analysis of metal element contained in resin material
Disclosed is a method for the quantitative analysis of a metal element contained in a resin material, which permits quantitatively analyzing the harmful substance such as lead contained in a resin material, comprising decomposing the resin material within a containe...
06/01/2010
7491545Excitation ratiometric fluoroscent biosensor for zinc ion at picomolar levels
A highly selective and sensitive of a carbonic anhydrase-based method for measurement of zinc ion by an excitation ratiometric format based on resonance energy transfer: i.e., where the zinc ion level is transduced as the ratio of fluorescence intensities excited at...
02/17/2009
7491544Chiral piperidine and quinucledine ligands
Zn(II) is selectively detected in a sample by contacting the sample with a tripodal ligand with a piperidine or quinuclidine scaffold, one of which acts as a zinc sensor, in which the rigidity of the ligand scaffold is increased. The rigidity of the ligand scaffold ...
02/17/2009
7422907Process for measuring mercury concentration within hydrocarbons
A process for measuring the mercury concentration within a hydrocarbon is provided that enables the mercury concentration to be measured simply and quickly, and with good reliability and good reproducibility. A process for measuring the mercury concentration within ...
09/09/2008
7399639Sensors, and methods of making and using the same
The present invention is directed, in part, to sensors for detecting metal ions, and methods of making and using the same. ...
07/15/2008
7384789Divalent metal ion sensors and binders
Diamino polyacetate benzene compounds are used as a selective fluorescence probe, sensor, or binders for divalent metal ions. The compounds provide for uses as divalent metal ion sensors in diagnostic applications and binders for environmental and medical treatments...
06/10/2008
7368289Filter for determination of mercury in exhaust gases
An apparatus, process, coating, and filter for the accurate measurement of total mercury concentration in flue gas. In a preferred aspect, the concentrations of both elemental and oxidized mercury are preserved by the apparatus for analysis. Accordingly, embodiments...
05/06/2008
7354553Method and apparatus for detecting the presence of elemental mercury in a gas sample
An improved elemental mercury analyzer utilizes a fluorescence assembly in combination with a fluorescence quenching reduction mechanism to detect the concentration of elemental mercury within an emission gas sample, via fluorescence of the mercury within the gas sa...
04/08/2008
7344895Production and use of in situ-modified nanoparticles
A process for synthesizing nanoparticles, in particular metal salt nanoparticles. To the synthesis mixture is added a modifying reagent which binds, by means of a first functional group, to the nanoparticle surface and which carries a second functional group for bin...
03/18/2008
7332344Luminescence assays
A method of detecting an analyte is described in which an up-converting luminescent species that is excited by absorption of long wavelength light is provided as a donor of energy to an acceptor species that can be bound to, or generated in proximity to, the lumines...
02/19/2008
7297547Analysis of metals in acidic solutions
In one embodiment, a method of neutralizing the matrix of an acidic solution including at least one metal using a weak anion exchange resin is provided. The method includes the acts of: activating the weak anion exchange resin with a weakly acidic metal complexing r...
11/20/2007
7285419Analysis of mercury containing samples
Methods of analyzing mercury containing samples for inorganic and organomercurial complexes are disclosed. The methods are highly sensitive and are especially suited to samples containing significant amounts of organic matter. Kits and devices for mercury analysis a...
10/23/2007
7267994Element-coded affinity tags
The present invention provides compositions and methods for detecting, analyzing, and identifying biomolecules. More particularly, the invention provides Element Coded Affinity Tags comprising a metal chelate and a metal ion and methods of using the tags to detect, ...
09/11/2007
7256049Devices and methods for separating phospholipids from biological samples
Device and methods for the removal of phospholipids from biological samples are disclosed and described. Removal of phospholipids may be desirable for the analysis of the phospholipids themselves, or to prevent the phospholipids from conflicting with and effectively...
08/14/2007
7247489Ion-detecting microspheres and methods of use thereof
This invention provides methods of using ion-detecting microspheres containing an ionphore and a chromoionphore in clinical laboratory instrumentation such as flow cytometry for sample analysis. In one embodiment, the microspheres are contacted with a flowing stream...
07/24/2007
7229842Metal chelate containing compositions for use in chemiluminescent assays
Compositions are disclosed comprising (a) a metal chelate wherein the metal is selected from the group consisting of europium, terbium, dysprosium, samarium osmium and ruthenium in at least a hexacoordinated state and (b) a compound having a double bond substituted ...
06/12/2007
7226563Ion-detecting sensors comprising plasticizer-free copolymers
Plasticizer-free ion-detecting sensors for detecting a target ion in a sample are provided. The sensor comprises a plasticizer-free copolymer comprised of polymerized units of methacrylate monomers and a polymerizable ion exchanger, wherein the methacrylated monomer...
06/05/2007
7220383Method and instrument for automated analysis of fluid-based processing systems
An analytical apparatus to monitor fluid systems has at least one extraction module having a raw-sample reservoir connected by input fluid conduit to individual ones of said fluid systems, to extract raw samples for analysis from said fluid systems, one or more modi...
05/22/2007
7214545Element-coded affinity tags
The present invention provides compositions and methods for detecting, analyzing, and identifying biomolecules. More particularly, the invention provides Element Coded Affinity Tags comprising a metal chelate and a metal ion and methods of using the tags to detect, ...
05/08/2007
7214539Scintillation proximity test
The invention concerns scintillation proximity assays performed in multiwell plates where a charge coupled device is used to image the wells. Conventional phosphors emit blue light (350–450 nm) which is absorbed by yellow or brown assay components. This problem is...
05/08/2007
7208121Plasticizer-free-ion-detective sensors
A plasticizer-free ion detective sensor for detecting a target ion in a sample is provided. The sensor comprises a copolymer of methacrylate monomers with pendant alkyl groups of different length, and an ionophore for detecting the target ion. The copolymer matrix o...
04/24/2007
7201876Ion-detecting sensors comprising plasticizer-free copolymers
Ion-detecting sensors for detecting a target ion in a sample are provided. The sensor comprises a plasticizer-free copolymer comprised of polymerized units of methacrylate monomers having pendent alkyl groups of different length and a functionalized ionophore of sai...
04/10/2007
7202093Method for labeling phosphorylated peptides, method for selectively adsorbing phosphorylated peptides, complex compounds used in the methods, process for producing the complex compounds, and raw material compounds for the complex compounds
Provided are a method for easily detecting phosphorylated peptides, namely, proteins, in samples derived from living organisms or the like, a method for selectively adsorbing the phosphorylated peptides, and compounds that are highly coordinated to the phosphorylate...
04/10/2007
7160732Fluorescein-based metal sensors, and methods of making and using the same
The present invention is directed, in part, to fluorescein-based ligands for detection of metal ions, and methods of making and using the same. ...
01/09/2007
7144736Method and apparatus for continuous fractional analysis of metallic mercury and water-soluble mercury in a gas
A method and an apparatus which continuously separate and measure mercury in an exhaust gas in accordance with each chemical conformation and display a measurement result in real time. According to the method and the apparatus, water-soluble mercury in a gas is abso...
12/05/2006
7094608Method for measuring lanthanide content dissolved in uranium oxide
The present invention relates to a method for measuring the content of Lanthanides dissolved in uranium oxide, wherein the Lanthanides content in the nuclear fuel pellet is measured using the thermo gravimetric analysis which measures the weight variation caused by ...
08/22/2006
7081365Scintillation proximity test
The invention concerns scintillation proximity assays performed in multiwell plates where a charge coupled device is used to image the wells. Conventional phosphors emit blue light (350–450 nm) which is absorbed by yellow or brown assay components. This problem is...
07/25/2006
7060503Detection of Analytes in aqueous environments
The invention relates to indicator molecules for detecting the presence or concentration of an analyte in a medium, such as a liquid, and to methods for achieving such detection. More particularly, the invention relates to copolymer macromolecules containing relativ...
06/13/2006
7056471Ternary and quarternary nanocrystals, processes for their production and uses thereof
The present invention relates to nanocrystals consisting of a homogeneous ternary or quaternary alloy having the composition M11-xM2xA and M11-xM2xAyB1-y, respectively, a process for its production, a...
06/06/2006
7048888Automatic cover system for proximate analyzers and the like
An apparatus is provided to automatically cover and uncover crucibles according to a predetermined procedure in a proximate analyzer. A series of crucibles mounted in a first carousel is heated in a furnace. A second carousel mounted above the first carousel holds c...
05/23/2006
7045934Method for jet formation and the apparatus for the same
The method of and the apparatus for the formation of a high-speed fluid or slurry jets of a desired geometry are invented. According to the present invention a fluid or slurry jet is formed by the expelling of a compressed fluid via a slot formed by two attached pla...
05/16/2006
7037725Method and system for creating a mercury halide standard for use in testing a mercury analyzer system
A method and system are provided for creating a mercury halide standard, and for using that standard to test a mercury analyzer system. Gaseous elemental mercury of a known concentration from a gas cylinder and a halogen donor are fed to a reaction chamber where the...
05/02/2006
1        
 
Sign InRegister
Username  
Password   
forgot password?