Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 8177981 | Ion exchange regeneration method An improved process for regenerating ion exchange resin, includes a regeneration step of displacing captured ions from the resin to regenerate its ion-capture functionality, followed by one or more fluid-employing post-regeneration steps such as a fluid displacement... | 05/15/2012 |
| 8168067 | Process for incorporating a dry treatment product into a liquid waste A process for treating and disposing a liquid waste, which is solidified prior to disposal, includes steps of adding to said liquid waste a dry treatment product generally comprising approximately 25% to 75% bentonite clay and respectively 75% to 25% of a liquid-sor... | 05/01/2012 |
| 7879245 | Process for treating industrial effluent water with activtated media In a process for treating effluent water, a stream of effluent water is fed to a porous ceramic media filled reactor. Organic and inorganic impurities are absorbed and/or oxidized from the effluent water into the media and/or off-gases. The remainder of the effluent... | 02/01/2011 |
| 7850854 | Method for perchlorate removal and destruction A method and apparatus for adsorbing perchlorate in a fluid and successively destroying it. Perchlorate in the fluid is removed by adsorption on an adsorbent in a column. The adsorbent is then regenerated by desorbing perchlorate, and the perchlorate in the regenera... | 12/14/2010 |
| 7722772 | Ion exchange apparatus and method of controlling the same The present invention realizes an ion exchange apparatus capable of enhancing the reliability of regeneration operation. Further, the present invention realizes an ion exchange apparatus capable of simplifying the construction of a salt water supply device. The ion ... | 05/25/2010 |
| 7713420 | Ion exchange resin tower and detection method of lifetime of resin therein An ion exchange resin tower including a tank, a supply line, an output line, and a plurality of sampling tubes is provided. The supply line guides a liquid into the tank, such that an ion exchange occurs between the liquid and the ion exchange resin in the tank. The... | 05/11/2010 |
| 7632412 | Method for chemistry control in cooling systems A method for controlling a cooling water tower comprising: providing a cooling tower system, which includes a recirculated evaporative cooling water stream, a source of make-up water, an evaporative cooling unit, a heat exchanger, a bleed off line, and a bleed-off v... | 12/15/2009 |
| 7601264 | Method for treatment of plating solutions Embodiments herein provide waste abatement apparatuses and methods for treating waste solutions derived from depleted or used plating solutions, such as from an electroless deposition process or an electrochemical plating process. The waste abatement systems and pro... | 10/13/2009 |
| 7556738 | Method for determining the duration of a brine/slow rinse cycle for a water conditioner An apparatus and method for determining the end of a service step and the duration of a brine/slow rinse step in a water conditioner having a bed of ion-exchange material. A sensor probe and a reference probe are positioned in the bed of ion-exchange material vertic... | 07/07/2009 |
| 7393380 | Method of guaranteeing at least one characteristic of a fluid used for producing food products A method for guaranteeing at least one characteristic of a fluid used for producing food products. This method utilizes a system for piping and delivering the fluid, combined with means for producing the products, in order to use the fluid for producing the products... | 07/01/2008 |
| 7393969 | Particular calixarenes method for production and use thereof The present invention relates to calix[4]arenes which effectively bind alkali metal ions (Na+, K+) and transport them over phase boundaries, their preparation and use. ... | 07/01/2008 |
| 7390412 | Method of managing the valves of a simulated moving bed separation system A method of managing the valves of a simulated moving bed separation system comprising at least one column of adsorbent beds split into several zones delimited by injection and draw-off points, allowing finer monitoring of a determined concentration profile. The met... | 06/24/2008 |
| 7358296 | Aqueous dispersions of fluoropolymers Fluorine-containing emulsifiers can be removed from fluoropolymer dispersions by adding to the dispersion a non ionic emulsifier, removing the fluorine-containing emulsifier by contact with an anion exchanger and separating the dispersion from the anion exchanger. T... | 04/15/2008 |
| 7357871 | Method for evaluating cation-exchange resin and method for controlling water treatment system using the same A method for a cation-exchange resin wherein a strongly acidic cation-exchange resin is contacted with an aqueous eluting solution and the polystyrenesulfonic acid being eluted from this resin is measured, which comprises setting a plurality of molecular weight rang... | 04/15/2008 |
| 7354511 | Hydraulic unit for industrial trucks A hydraulic unit for industrial trucks, comprising a motor pump unit which is directly attached to a tank, a reflux filter which has an elongate filter casing for a filtering element adapted to be introduced into the tank through an opening, a hose coupling, and an ... | 04/08/2008 |
| 7341667 | Process for reduction of inorganic contaminants from waste streams The invention relates to the use of used alumina to reduce the level of inorganic contaminants, such as mercury and arsenic, from waste fluid streams. The invention further provides a process for reducing the level of mercury or arsenic in fluid streams by contactin... | 03/11/2008 |
| 7335308 | Method for treatment of liquids, in particular, for purification of contaminated water The invention relates to a method and an installation for treating liquids, especially for purifying contaminated water. Said method consists of the following steps: the raw water is pre-purified by adding a foam-forming reaction agent; the pre-purified water underg... | 02/26/2008 |
| 7335307 | Method for removing contaminants from water using ruthenium based contaminant sorbents and oxidizers Ruthenium compounds, either alone or in combination with other remediating compounds, can be used to oxidize, remove and sequester contaminants in water and soil or sediments. ... | 02/26/2008 |
| 7329338 | Conductivity sensor for an ion exchange water softener A water treatment system includes a tank that contains a particle bed for removing minerals from water flowing through the tank. The regeneration of the particle bed is conducted in response to measuring its conductivity. A probe is provided for that measuring. That... | 02/12/2008 |
| 7329354 | Purification of organic solvent fluids A chemical distribution system having improved organic solvent fluid purity and consistency includes a vessel containing ion-exchange media positioned within a fluid flow pathway such that the organic solvent fluid passes through the ion-exchange media, thereby effe... | 02/12/2008 |
| 7326348 | Method for removal and destruction of ammonia from an aqueous medium Methods and apparatuses are provided for the removal and destruction of ammonia from an aqueous medium. The methods and apparatuses include the removal of ammonia from an aqueous medium by contact with either natural or synthetic zeolite. The spent zeolite is regene... | 02/05/2008 |
| 7314568 | Water conditioning system A multi-stage water conditioning system is structured for conditioning a flow of influent water passing through the conditioning system by removing one or more cations including sodium, iron, barium, and or ammonia from the influent water, while also possibly adding... | 01/01/2008 |
| 7309436 | Process for removing perchlorate ions from water streams Methods and systems for removing perchiorate from water are disclosed which involve the use of a plurality of vessels containing an ion exchange resin having affinity for perchiorate ions, and in which perchiorate-contaminated water is passed over the resin in some ... | 12/18/2007 |
| 7291565 | Method and system for treating a substrate with a high pressure fluid using fluorosilicic acid A method and system is described for treating a substrate with a high pressure fluid, such as carbon dioxide in a supercritical state. A process chemistry is introduced to the high pressure fluid for treating the substrate surface. The process chemistry comprises fl... | 11/06/2007 |
| 7288184 | Process for mitigating acids in a system for separating aromatic hydrocarbons from a hydrocarbon feedstream Disclosed is a process for removing acids in a system in which aromatic hydrocarbons are separated from a mixture with aliphatic hydrocarbons. The aromatic hydrocarbons are extracted from the mixture using an extracting solvent. The aromatic hydrocarbons are strippe... | 10/30/2007 |
| 7282156 | Apparatus & method for cleaning cooling tower recirculating water An apparatus and method for removing water and debris from a cooling tower basin, discarding debris and returning clean water to the basin. ... | 10/16/2007 |
| 7276160 | Method and apparatus for metal removal by ion exchange The present invention provides a method for selectively removing metal ions of interest from a solution (12), such as the wastewater from a chemical mechanical polishing process. The method comprises contacting a solution (12) containing solid particle... | 10/02/2007 |
| 7273558 | Method and device for reducing scale formation and/or corrosion in systems which conduct liquids The invention relates to a method and a device for reducing scale formation and/or corrosion in systems which conduct liquids or are in contact with liquids. According to the invention, this is achieved without reducing the quantity of hardness constituents containe... | 09/25/2007 |
| 7273555 | Process for continuous ion exchange A process for continuous countercurrent ion exchange comprises piping a contaminated feed stream into a closed loop ion exchange contactor. The contactor is an ion exchange bed that has three or more reaction segments. The segments are comprised of at least an adsor... | 09/25/2007 |
| 7270941 | Method of passivating of low dielectric materials in wafer processing A method of passivating silicon-oxide based low-k materials using a supercritical carbon dioxide passivating solution comprising a silylating agent is disclosed. The silylating agent is preferably an organosilicon compound comprising organo-groups with five carbon a... | 09/18/2007 |
| 7267898 | Freeze prevention of a fuel cell power plant A fuel cell power plant comprises a water circulation passage (5) which circulates the cooling water in a fuel cell stack (4). Sodium hydroxide which lowers the melting point of water is mixed with water in the water circulation passage (5) to p... | 09/11/2007 |
| 7264837 | Resin deacidification of citrus juice and high acid maintenance The deacidification of citrus juice with ion exchange resin is described. Maintaining a high acid condition of the juice is achieved by passing the juice through regenerated resin that is preconditioned with an aqueous food-grade acid, preferably citric acid. Additi... | 09/04/2007 |
| 7251939 | General method for disposal of produced water A method and apparatus useful for disposing of the high volumes of produced water associated with coal bed methane natural gas wells. The method taught is to create steam from the produced water and vent the steam into the atmosphere. The apparatus taught utilizes a... | 08/07/2007 |
| 7247242 | Arsenic removal from water Methods for removing arsenic from water by addition of inexpensive and commonly available magnesium oxide, magnesium hydroxide, calcium oxide, or calcium hydroxide to the water. The hydroxide has a strong chemical affinity for arsenic and rapidly adsorbs arsenic, ev... | 07/24/2007 |
| 7244359 | Inorganic ion sorbent method A process and medium for decontamination of water containing anionic species including arsenic and chromium, wherein compounds comprising divalent and trivalent metal oxides and sulfides are used to form surface complexes with contaminants under pH conditions within... | 07/17/2007 |
| 7238735 | Process for producing aqueous dispersion of purified polytetrafluoroethylene A process for producing an aqueous dispersion of purified polytetrafluoroethylene (PTFE), comprising passing a crude aqueous dispersion of PTFE comprising from 10 to 50 mass % of PTFE fine particles having an average particle diameter of from 0.1 to 0.5 μm, from 0.... | 07/03/2007 |
| 7238288 | Method for absorbing an ion from a fluid A method for absorbing an ion from a fluid by using dispersing an organic acid into an anion surfactant solution, mixing in a divalent-metal containing compound and a trivalent-metal containing compound and calcining the resulting solid layered double hydroxide prod... | 07/03/2007 |
| 7235180 | Sulfate-selective anion exchange resins for use in combination with TRSS resins in feed water treatment An improved system of resins comprising a combination of a sulfate-specific strongly basic anion exchange resin and a heterogenous hybrid thermally regenerable salt sorbent (TRSS) resin is provided. The anion exchange resin contains triethylamine and/or tributylamin... | 06/26/2007 |
| 7192526 | Method of optimizing the operation of a xylene separation unit using simulated countercurrent Method of optimizing the operation of a unit intended for separation of the components of a feed (xylenes) by simulated countercurrent in hybrid operating mode. The method allows to minimize the solvent ratio and to maximize the capacity of the separation uni... | 03/20/2007 |
| 7182856 | Stormwater treatment train A system is provided for treating runoff water in which there is a separator and a filter for cleaning the water. A reservoir is provided to hold large quantities of water during prolonged rainstorms. The output of the reservoir is fed to the filter. The rate of flo... | 02/27/2007 |
