Class 204/417 - Liquid ion-exchanger

Subclass of Class 204 - Chemistry: electrical and wave energy
Definition: Apparatus in which the ion-exchange medium is a liquid.
No. of patents: 27
Last issue date: 03/13/2007

Number	Title	Issue Date
7189315	Ion sensor and clinical analyzer using the same An ion sensor has a flow path through which a sample flows. An ion-exchange membrane is in contact with the sample in the sample flow path. An internal solution is provided on one side of the ion-exchange membrane. An internal electrode is provided so as to come in ...	03/13/2007
6991941	Light-controlled electrokinetic assembly of particles near surfaces A method and apparatus for the manipulation of colloidal particulates and biomolecules at the interface between an insulating electrode such as silicon oxide and an electrolyte solution. Light-controlled electrokinetic assembly of particles near surfaces relies on t...	01/31/2006
6875621	Magnetizable bead detector A ferromagnetic thin-film based magnetic field detection system used for detecting the presence of selected molecular species. A magnetic field sensor supported on a substrate has a binding molecule layer positioned on a side thereof capable of selectively binding t...	04/05/2005
6468811	Light-controlled electrokinetic assembly of particles near surfaces A method and apparatus for the manipulation of colloidal particulates and biomolecules at the interface between an insulating electrode such as silicon oxide and an electrolyte solution. Light-controlled electrokinetic assembly of particles near surfaces ...	10/22/2002
6403771	Method and means for site directed therapy The present invention relates to the field of site directed therapy. More specifically the invention relates to site directed radio therapy, and provides a method for production of radioconjugates and an apparatus for radioimmunotherapy. The method, conju...	06/11/2002
6398931	Combination ion-selective electrode with a replaceable sensing membrane An improved combination ion-selective electrode apparatus is provided that comprises an electrode body, a reference electrode, and an ion-sensing electrode. The reference electrode comprises a ion-permeable junction. A removable membrane cap contains a io...	06/04/2002
6391174	Ion exchange membrane for dissolved gas sensor An ion exchange membrane for use in sensors which measure dissolved gases. Disclosed is a method for using ion exchangers in gas permeable membranes to maintain optimal conditions in the electrolyte contained within the sensor. This can greatly extend the...	05/21/2002
6251691	Light-controlled electrokinetic assembly of particles near surfaces A method and apparatus for the manipulation of colloidal particles and biomolecules at the interface between an insulating electrode such as silicon oxide and an electrolyte solution. Light-controlled electrokinetic assembly of particles near surfaces rel...	06/26/2001
6127527	Apparatus for the therapeutic use of ²¹³ Bi The present invention relates to the field of site directed therapy. More specifically it relates to site directed radio therapy. It provides a method for production of radioimmuno conjugates and an apparatus for radioimmuno therapy. The method, conjugate...	10/03/2000
6055849	Gas detector and its adjusting method A metal oxide semiconductor gas sensor S is connected to a ladder resistance R, and the output voltage is subjected to logarithmic transformation at plural points on a waveform of temperature change by LnR=2-4 V R1/Vc+LnR1 ...	05/02/2000
5837454	Process for the manufacture of wholly microfabricated biosensors An efficient method for the microfabrication of electronic devices which have been adapted for the analyses of biologically significant analyte species is described. The techniques of the present invention allow for close control over the dimensional feat...	11/17/1998
5833824	Dorsal substrate guarded ISFET sensor An Ion-sensitive Field Effect Transistor (ISFET) sensor for sensing ion activity of a solution includes a substrate and an ISFET semiconductor die. The substrate has front surface exposed to the solution, a back surface opposite to the front surface and a...	11/10/1998
5517181	Hazardous fluid leak detector A device or system for monitoring for the presence of leaks from a hazardous fluid is disclosed which uses two electrodes immersed in deionized water. A gas is passed through an enclosed space in which a hazardous fluid is contained. Any fumes, vapors, et...	05/14/1996
5466575	Process for the manufacture of wholly microfabricated biosensors An efficient method for the microfabrication of electronic devices which have been adapted for the analyses of biologically significant analyte species is described. The techniques of the present invention allow for close control over the dimensional feat...	11/14/1995
5326451	Liquid electrode A dropping electrolyte electrode for use in electrochemical analysis of non-polar sample solutions, such as benzene or cyclohexane. The liquid electrode, preferably an aqueous salt solution immiscible in the sample solution, is introduced into the solutio...	07/05/1994
5282949	Glass pH electrodes A glass pH electrode which comprises a silver-silver bromide inner electrode and an electrode solution for the inner electrode which is a zwitterionic buffer solution....	02/01/1994
5215887	Glucose sensor measurement Disclosed is a method of measuring glucose concentration of a sample solution using a glucose sensor having an ion-sensitive field-effect transistor which can detect pH change in the sample solution provided with a glucose oxidase-immobilized film formed ...	06/01/1993
4822445	Apparatus for processing double face adhesive tape An apparatus for processing a double face adhesive tape so as to attach at least one member thereto, comprising a roll of the double face adhesive tape having release papers attached to both faces, a drawing out means of the double face adhesive tape from...	04/18/1989
4786396	Ion electrode and method of making it A liquid junction electrode 10 formed from a silicon body 14 and having a glass membrane 22 attached thereto. A reference electrode is constructed by forming the glass membrane 22 from porous glass having a preferable pore size in the range of 40 angstrom...	11/22/1988
4551222	Flow through system liquid membrane type electrode A flow through system liquid membrane type electrode used for measuring a specific ion concentration in a flowing liquid sample. A cylindrical membrane holding member which is flat at one side surface, holds a sheet-like liquid membrane, the liquid membra...	11/05/1985
4476007	Hemispherands and sodium-selective compositions and electrodes containing same Ion-selective compositions which comprise an ion carrier, a compound capable of solvating the ion carrier, and a supporting matrix are disclosed. The ion carriers of this invention are hemispherand compounds represented by the formula ##STR1## w...	10/09/1984
4314895	Method of making liquid membrane electrode An electrode assembly comprising an organic plastic sample flow-through tube, a portion of the wall of which comprises a membrane, the membrane comprising a matrix of an organic plastic material containing a non-volatile solvent-plasticizer and an ion exc...	02/09/1982
4236987	Electrode having membrane with ion selective properties There is provided a novel type of ion selective membrane comprising a non-ion selective carrier, and an ion selective active phase molecule having a hydrophilic segment and a lipophilic periphery. In the preferred embodiment said molecule is a siloxane mo...	12/02/1980
4224114	Method and apparatus for detecting zinc ion activity An electrode preferentially sensitive to the activity of zinc ions Zn+2 in solution. A liquid organic phase containing an appropriate liquid ion exchanger and solvent is combined with means for containing the liquid organic phase as an interfac...	09/23/1980
4182668	Ion selective electrode An electrode sensitive to ions in solution comprises an outer tubular body having an opening at its one end, an inner tubular body secured to the other end of the outer tubular body and having an opening at its one end, a tip member threadingly engaged to...	01/08/1980
4018660	Gas electrode An electrochemical cell for measuring the gas content in a solution, said electrochemical cell having a potentiometric ion sensitive electrode and a reference electrode, said electrodes being in electrochemical contact through an electrolyte solution, sai...	04/19/1977
3957607	Process for the preparation of lipide soluble complexes of cations, application of the process and use of the complexes New lipide soluble complexes of cations like metal ions and ammonium ions are prepared by reacting an uncharged complex forming substance with the corresponding ions. Preferred uncharged complex forming substances are also new. The new lipide soluble comp...	05/18/1976

PatentStorm

Bizarre Patents

PatentStorm News

Class 204/417 - Liquid ion-exchanger