William F. Semple, a dentist, was awarded the first US Patent on chewing gum in 1869. His recipe contained powdered chalk.
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| Number | Title | Issue Date |
| 7416579 | Preparing nanosize platinum-titanium alloys Nanometer sized particles containing titanium and platinum are prepared by a sonochemical process. Compounds of the metals are dissolved, suspended, or diluted in a low vapor pressure liquid medium, preferably at a sub-ambient temperature. A reducing gas is bubbled ... | 08/26/2008 |
| 7416715 | Method and apparatus for the production of gaseous ammonia from a urea solution A safe, economical and predictable process for producing ammonia from a urea solution, preferably where only a small amount of ammonia is required, (i.e. for SCR denitrification for small boilers, flue gas conditioning to enhance precipitator efficiency and/or allev... | 08/26/2008 |
| 7381240 | Platinum particles with varying morphology Nanometer to micrometer sized particles containing platinum and having selected morphologies are prepared by a sonochemical process. A compound of platinum is dissolved, suspended, or diluted in a suitable liquid medium at a predetermined concentration and the liqui... | 06/03/2008 |
| 7297238 | Ultrasonic energy system and method including a ceramic horn An acoustic system for applying vibratory energy including a horn connected to an ultrasonic energy source. The horn defines an overall length and wavelength, and at least a leading section thereof is comprised of a ceramic material. The leading section has a length... | 11/20/2007 |
| 7288170 | Process for producing a ready-to-use electrolyte A process is intended to allow simple and particularly reliable electrolyte generation and conditioning from metal-containing used electrolytes and/or used process solutions and/or pulverulent metal wastes. For this purpose, waste products containing metal ions from... | 10/30/2007 |
| 7273595 | Method and apparatus for the production of gaseous ammonia from a urea solution A safe, economical and predictable process for producing ammonia from a urea solution, preferably where only a small amount of ammonia is required, (i.e. for SCR denitrification for small boilers, flue gas conditioning to enhance precipitator efficiency and/or allev... | 09/25/2007 |
| 7264787 | Cerium oxide powder Polycrystalline cerium oxide powder in the form of aggregates of primary particles with a specific surface of between 70 and 150 m2/g, an average primary particle diameter of between 5 and 20 nm and an average, projected aggregate diameter of between 20 a... | 09/04/2007 |
| 7208134 | Bioprocesses enhanced by magnetic nanoparticles One aspect of the present invention relates to magnetic nanoparticles colloidally stabilized in aqueous milieu by association with an organic phase. The organic phase may be either a fluorinated polymer or an organic hydrocarbon bilayer, wherein the two layers are c... | 04/24/2007 |
| 7175825 | Method of producing titania solution Titania is dissolved in a hydrogen peroxide solution to produce an amorphous titania gel, then the amorphous titania gel and a hydrogen peroxide solution are mixed together to produce an amorphous titania sol, and then an alkali solution is supplied to the solution ... | 02/13/2007 |
| 7147834 | Hydrothermal synthesis of perovskite nanotubes A low-temperature hydrothermal reaction is provided to generate crystalline perovskite nanotubes such as barium titanate (BaTiO3) and strontium titanate (SrTiO3) that have an outer diameter from about 1 nm to about 500 nm and a length from abou... | 12/12/2006 |
| 7132094 | Method of producing hollow alumina particle A method of producing hollow alumina particles in which the grain size of hollow alumina particles is controlled and in which a high formation ratio of hollow particles is obtained while suppressing the formation of solid particles. The method includes irradiating s... | 11/07/2006 |
| 7128825 | Method and composition for polishing a substrate Polishing compositions and methods for removing conductive materials from a substrate surface are provided. In one aspect, a composition includes an acid based electrolyte system, one or more chelating agents, one or more corrosion inhibitors, one or more inorganic ... | 10/31/2006 |
| 7128840 | Ultrasound enhanced process for extracting metal species in supercritical fluids Improved methods for the extraction or dissolution of metals, metalloids or their oxides, especially lanthanides, actinides, uranium or their oxides, into supercritical solvents containing an extractant are disclosed. The disclosed embodiments specifically include e... | 10/31/2006 |
| 7083764 | Method and apparatus for treating liquids A method and apparatus for treating fluids by transmitting ultrasonic energy into the fluids to produce high intensity cavitations in the fluids as the fluids pass through the apparatus. The fluids are retained in the apparatus for a sufficient period of time to des... | 08/01/2006 |
| 7067204 | Submerged plasma generator, method of generating plasma in liquid and method of decomposing toxic substance with plasma in liquid A method and apparatus for generating plasma in a liquid. The apparatus includes an ultrasonic wave generator for generating bubbles in the liquid, and an electromagnetic wave generator for continuously irradiating electromagnetic waves to the liquid from within the... | 06/27/2006 |
| 7048857 | Method and apparatus for metal removal 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... | 05/23/2006 |
| 7014773 | Demulsification of emulsions by socillatory mixing The invention includes a method for demulsification of water-in-oil emulsions, oil-in-water emulsions, and mixtures of water-in-oil and oil-in-water emulsions by oscillatory mixing of the emulsions. ... | 03/21/2006 |
| 6969953 | System and method for inductive coupling of an expanding thermal plasma A method is provided for generating plasma using a plasma generator system. The method includes the steps of introducing energy and a reactant to a plasma generation apparatus of the plasma generator system for generating plasma, and expanding and inductively coupli... | 11/29/2005 |
| 6913699 | Process for selectively removing functionalized organic compounds from a liquid medium The present invention is directed to a process and device for selectively removing at least one functionalized organic compound present in a liquid medium. More specifically the present invention is useful for removing functionalized organic compounds, that may accu... | 07/05/2005 |
| 6902313 | Micro chaotic mixer A micro mixer for use in a microdevice which utilizes time-varying force fields to induce bulk fluid and/or sample component motion leading to homogenization of sample components. Time-varying force fields employed includes at least one of a physical displacement fi... | 06/07/2005 |
| 6855301 | Synthesis method for producing carbon clusters and structured carbon clusters produced thereby The present invention includes carbon synthesis devices and systems. The invention also includes machines and instruments using those aspects of the invention. The present invention also includes methods of carbon synthesis. The present invention includes an array o... | 02/15/2005 |
| 6764860 | Ultrasonic force differentiation assay An ultrasonic energy source is used to provide a variable force for measuring the binding forces between molecular entities and for sensing the presence of an analyte in a test sample. The device includes a surface that has a first binding member attached thereto an... | 07/20/2004 |
| 6576205 | Method for reducing the crystallinity of nickel hydroxide powders A process for decreasing the crystallinity of nickel hydroxide by generating and supplying large numbers of heteronuclei into the nickel hydroxide producing reaction system. Nickel sulfate and sodium hydroxide are initially forcefully and intimately combi... | 06/10/2003 |
| 6368553 | Ultrasonic force differentiation assay An ultrasonic energy source is used to provide a variable force for measuring the binding forces between molecular entities and for sensing the presence of an analyte in a test sample. The device includes a surface that has a first binding member attached... | 04/09/2002 |
| 6270631 | Method for conditioning fluidised bed combustor ashes A process for hydrating CaO residues in fluidized bed combustor ashes that achieves a better level of hydration, which does not add significantly to the cost of the hydration process, which reduces the consumption of water in the hydration process, and wh... | 08/07/2001 |
| 6245207 | Cell separation device using ultrasound and electrophoresis A cell separation module for separating and collecting cells having a charge and cells having no charge comprises a holder and a throwaway cell separation chamber held by the holder. Ultrasound is introduced into the cell separation chamber so as to allow... | 06/12/2001 |
| 6179970 | Process for the preparation of fluoro compounds from the corresponding amines Compounds containing a primary amino group are converted into compounds containing a fluorine atom in place of the amino group by reaction of the amino compound with hydrogen fluoride and a nitrosating reagent under the influence of ultrasound or microwav... | 01/30/2001 |
| 6089147 | Process for pressing materials A process is disclosed for pressing a material selected from materials of vegetable and animal origin. The process includes the steps of mechanically compressing the material of vegetable or animal origin while simultaneously vibrating the material at an ... | 07/18/2000 |
| 6086821 | Ultrasonic force differentiation assay An ultrasonic energy source is used to provide a variable force for measuring the binding forces between molecular entities and for sensing the presence of an analyte in a test sample. The device includes a surface that has a first binding member attached... | 07/11/2000 |
| 6047246 | Computer-controlled ultrasonic cleaning system A computer-controlled ultrasonic cleaning system (10) that is designed to clean various articles ranging from integrated-circuit silicone wafers and hard disk platters to small mechanical components. The system (10) utilizes an electronic system which ope... | 04/04/2000 |
| 6004499 | Method of aligning fibrous components of composite materials using opposed oscillating reflectors Standing planar compression waves are used to control the spacing and alignment of previously randomly distributed and randomly oriented loose fibrous elements in a fluid medium. A relatively intense standing planar compression wave comprising the superpo... | 12/21/1999 |
| 5958523 | Coating and lubricant compositions containing polyfluorfullerenes and methods of use The invention relates coating and lubricating compositions comprising polyfluorfullerene and method for using same. The surface to be coated can also be the surface of granulated or powdery polymers. To make polyfluorfullerene a fullerene solution is mixe... | 09/28/1999 |
| 5951456 | Ultrasonic methods and apparatus for separating materials in a fluid mixture An efficient method of separating a first material from a second material in a fluid mixture is provided. The fluid mixture of interest is caused to flow through two different sonic wave fields. In one field, the sonic waves travel in a direction perpendi... | 09/14/1999 |
| 5888357 | Apparatus and method for producing ionic water and system and method for producing electrolytic ionic water The present invention provides an apparatus and a method for producing ionic water which are capable of producing ionic water containing a low concentration of electrolyte with high reproducibility. The present invention also provides an apparatus and a m... | 03/30/1999 |
| 5885424 | Method and apparatus for breaking hydrocarbon emulsions A method for breaking an emulsion comprising oil and water into oil and water phases comprising treating the emulsion with a chemical demulsifier and passing the mixture through a hollow chamber having a uniform cross-section and subjecting the mixture to... | 03/23/1999 |
| 5840241 | Method of aligning fibrous components of composite materials using standing planar compression waves Standing planar compression waves are used to control the spacing and alignment of previously randomly distributed and randomly oriented loose fibrous elements in a fluid medium. Standing planar compression waves are established within the medium by a mag... | 11/24/1998 |
| 5824214 | Method for hydrotreating and upgrading heavy crude oil during production Heavy crude oil containing at least 1% by weight water is hydrotreated and upgraded while being produced downhole in a production well. During production the heavy crude oil containing water is subjected to sonic energy at a low frequency of 400 Hz to 10 ... | 10/20/1998 |
| 5786309 | Processes for making polyfluorfullerene and compositions comprising same The invention relates to a process for making polyfluorofullerene as well as polyfluorofullerene itself made according to the process. In the process according to the invention, a fullerene solution is mixed with a polytetrafluoroethylene dispersion, and the r... | 07/28/1998 |
| 5717181 | Method of reducing concentration of high molecular weight component in mixture of components A method of reducing the concentration of, e.g., wax, in a liquid admixture with, e.g., crude oil, comprising subjecting the liquid to cavitation such that temperatures, pressures and shear forces are produced in the liquid sufficient to induce cracking o... | 02/10/1998 |
| 5696173 | Restructuring silicone rubber to produce fluid or grease The invention comprises processes for the production of useful fluid or grease from curable silicone compositions or silicone rubbers, preferably reclaimed or scrap silicone rubber. The processes involve the application of energy in such a manner that a u... | 12/09/1997 |