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 |
| 8080188 | Manufacturing apparatus and manufacturing method for solid particle The apparatus for manufacturing solid particles at a nano level includes a chamber for isolation from an external space, a monoaxial rotary disk disposed in the chamber, a receiving surface at one end of the rotary disk, a material supply mechanism for supplying the... | 12/20/2011 |
| 7931835 | Heater control for cotton candy spinner head Within a cotton candy machine a delay-on-break delay timer is used to delay the de-energization of the spinner-head motor for a predetermined period of time after the heater elements are turned off. Thus, while the heater elements are cooling down, the motor and spi... | 04/26/2011 |
| 7758778 | Methods for preparing biodegradable microparticle formulations containing pharmaceutically active agents This invention is directed to an apparatus and method for producing microparticles comprising pharmacologically active agents and biodegradable polymers. The apparatus includes a spinning disk containing a reservoir in the center thereof and a flat inclined surface.... | 07/20/2010 |
| 7374797 | Continuous combined pigmented wax compounding and bichromal sphere fabrication process A system and method for the continuous fabrication of bichromal spheres by introducing continuous streams of differently colored, pigmented polymer melts to substantially opposite sides of a plurality of spinning disks. The system comprises a first and second extrud... | 05/20/2008 |
| 7351385 | System for enabling landfill disposal of kitchen waste oil/grease An apparatus for conversion of kitchen waste grease to a landfill-acceptable solid includes a grease collection cartridge. A mixing baffle within the cartridge has a package with a reactant to convert grease and oil, and water into soap. The apparatus has means for ... | 04/01/2008 |
| 7344368 | Device for the production of a granulate Disclosed is a device for the production of a granulate whereby a perforated rotating outer tube with a supply device for the dripping material arranged on the inside thereof is disposed on a rocker whereby the drive motor for the drum is disposed as a counterweight... | 03/18/2008 |
| 7341682 | Manufacture of polysaccharide beads The present invention is a process of manufacture of one or more polysaccharide beads, comprising generating an aerosol of an aqueous polysaccharide solution, cooling the droplets of said aerosol in air to initiate gelling thereof and collecting droplets as gelled b... | 03/11/2008 |
| 7314557 | Method and device for forming mineral wool A device for internal centrifugation of mineral fibers including a centrifuge equipped with a peripheral band perforated with orifices distributed in a plurality of annular zones arranged on top of each other, assuming that the centrifuge is in centrifugation positi... | 01/01/2008 |
| 7291694 | Method and device for producing crystallizable plastic material A method for manufacturing a crystallizable plastic material is disclosed. The process includes the step of melting an amorphous plastic material, pelletizing the material, crystallizing it and then post condensing the plastic material with the proviso that the plas... | 11/06/2007 |
| 7291200 | Monodisperse spherical metal particles and manufacturing method therefor It is an object of the present invention to provide spherical metal particles having excellent monodispersity. The present invention relates to a method of manufacturing monodisperse spherical metal particles characterized by passing liquid metal through a porous me... | 11/06/2007 |
| 7273570 | Method of forming polymer particles The present invention is a method of manufacturing polymer particles. The method includes providing an oil in water emulsion, wherein the oil phase comprises a volatile solvent and at least one water insoluble polymer. The volatile solvent has a solubility of not mo... | 09/25/2007 |
| 7261529 | Apparatus for preparing biodegradable microparticle formulations containing pharmaceutically active agents This invention is directed to an apparatus and method for producing microparticles comprising pharmacologically active agents and biodegradable polymers. The apparatus includes a spinning disk containing a reservoir in the center thereof and a flat inclined surface.... | 08/28/2007 |
| 7252699 | Method for patterning metal using nanoparticle containing precursors Continuous, conducting metal patterns can be formed from metal nanoparticle containing films by exposure to radiation (FIG. 1). The metal patterns can be one, two, or three dimensional and have high resolution resulting in feature sizes in the order... | 08/07/2007 |
| 7250486 | Method and apparatus for crystallizing polymer particles The present invention is a process and apparatus for conserving loss of heat while forming and crystallizing polymer particles in a liquid. The cooling liquid quenches the polymer during particle molding to facilitate shaping. The cooling liquid cools the polymer pa... | 07/31/2007 |
| 7247202 | Process for the conversion of a fluid phase substrate by dynamic heterogeneous contact with a solid agent A process for the conversion of a substantially fluid phase substrate by heterogeneous contact of the substrate or a fragment or derivative thereof with a substantially solid phase agent wherein the solid phase agent is comprised as a surface of a support element or... | 07/24/2007 |
| 7244377 | Acoustic enhancement of particle fabrication by spinning A method and apparatus for the improved formation of beads or particles. The apparatus comprises a spinning disk including a vibration inducing material. Said vibration inducing material excites the liquid material as it proceeds towards the outer perimeter of said ... | 07/17/2007 |
| 7232533 | Bichromal element spinner The bichromal element spinner apparatus provides the forming of substantially spherical bichromal elements from pigmented molten, but hardenable material compounds which are delivered centrally to a spinning webbed disk through opposite ends of hollow shaft that als... | 06/19/2007 |
| 7175684 | Prilling method A prilling method comprising the steps of: providing a molten first component, mixing at least a second component with the molten first component, reacting the components to form a shear-thinnable mixture; and prilling the shear-thinnable mixture wherein the prillin... | 02/13/2007 |
| 7153114 | Granulation apparatus Apparatus for the granulation of a predetermined substance provided in fluid, semi-fluid and similar state, comprising a prilling tower. ... | 12/26/2006 |
| 7148128 | Electronically addressable microencapsulated ink and display thereof We describe a system of electronically active inks which may include electronically addressable contrast media, conductors, insulators, resistors, semiconductive materials, magnetic materials, spin materials, piezoelectric materials, optoelectronic, thermoelectric o... | 12/12/2006 |
| 7137802 | Apparatus for processing thermoplastic synthetic plastic material An apparatus for processing thermoplastic synthetic plastic material to be recycled comprises a first receptacle (1) and a second receptacle (2) for the material to be processed. Within both receptacles (1, 2) tools (21) for mixing and he... | 11/21/2006 |
| 7131597 | Atomization technique for producing fine particles This disclosure relates to a novel process for atomizing a liquid material or a mixture of liquid materials. More specifically, this disclosure advances the art by utilizing the inertial forces created in an elevated acceleration environment to further miniaturize a... | 11/07/2006 |
| 7126081 | Radial pulsed arc discharge gun for synthesizing nanopowders A system and method for synthesizing nanopowder which provides for precursor material ablation from two opposing electrodes that are spaced apart within a gaseous atmosphere, where a plasma is created by a high power pulsed electrical discharge between the electrode... | 10/24/2006 |
| 7118638 | Nonwoven fabric, hygroscopic member, method and apparatus for producing nonwoven fabric and organic electroluminescence display An organic electroluminescence display includes a transparent glass substrate, an ITO anode layer, a positive hole transition layer, an RGB luminescence layer, an electron transition layer and a metallic cathode layer. Highly pressurized N2 gas is sealed ... | 10/10/2006 |
| 7115235 | Rotating surface of revolution reactor with temperature control mechanisms A reactor including a rotatable disc (3) having first (5, 19) and second (20, 30) surfaces. Reactant (15) is supplied to the first surface (5, 19) by way of a feed (4), the disc (3) is rotated at high speed, and the r... | 10/03/2006 |
| 7109968 | Non-spherical cavity electrophoretic displays and methods and materials for making the same Disclosed herein are novel electrophoretic displays and materials useful in fabricating such displays. In particular, novel encapsulated displays are disclosed. Particles encapsulated therein are dispersed within a suspending, or electrophoretic, fluid. This fluid m... | 09/19/2006 |
| 7097806 | Rapid surface cooling of solder droplets by flash evaporation A mist of liquid coolant is introduced into the path of atomized, molten, solder droplets. The mist and other conditions within the chamber are engineered to enable the liquid coolant droplets in the mist to contract the surfaces of molten solder droplets and be fla... | 08/29/2006 |
| 7094169 | Rotary cutter assembly A rotary cutter assembly (11) includes a rotary cutter (74) rotated by a motor (76) through a drive including pulleys (250, 264) and a belt (326) inside of a combination guard and belt tensioner assembly (260). The rotary cu... | 08/22/2006 |
| 7091136 | Method of forming semiconductor compound film for fabrication of electronic device and film produced by same A process of forming a compound film includes formulating a nano-powder material with a controlled overall composition and including particles of one solid solution. The nano-powder material is deposited on a substrate to form a layer on the substrate, and the layer... | 08/15/2006 |
| 7074353 | Methods of manufacturing particles A method of manufacturing particles, especially nanoparticles, by way of precipitation from solution on a rotating surface (1) of a rotating surface reactor is disclosed. Nanoparticles with a tight size distribution may be manufactured in bulk and without the proble... | 07/11/2006 |
| 7060354 | Dental floss having low density and method of making same A dental floss comprising a porous PTFE fiber having a density of less than about 0.7 g/cc. The inventive floss is abrasion resistant, grippable and has a soft feel to the hands and a rough feel in the mouth. The floss is made by an extrusion process with non-contac... | 06/13/2006 |
| 7057599 | Microstructures with assisting optical lenses A microstructure to interact with electromagnetic waves by changing optical aspect in selected areas in response to an external signal, the microstructure comprising: a plurality of responsive elements, each responsive element capable of presenting at least two diff... | 06/06/2006 |
| 7046423 | Separation of encapsulated particles from empty shells Methods and systems for separating encapsulated particles from empty shells. One method involves providing a mixture including at least one dipolar particle encapsulated in a shell and at least one shell which does not encapsulate a dipolar particle. The mixture is ... | 05/16/2006 |
| 7038833 | Encapsulated bichromal balls Disclosed is an encapsulant oil and associated method for producing encapsulated bichromal balls or particles. In this regard, bichromal balls are encapsulated within a mixture of low viscosity polysiloxane oil and a bifunctional component material. The bifunctional... | 05/02/2006 |
| 7037642 | Removing compounds from blood products with porous particles immobilized in a matrix Methods and devices are provided for reducing the concentration of low molecular weight compounds in a biological composition containing cells while substantially maintaining a desired biological activity of the biological composition. The device comprises highly po... | 05/02/2006 |
| 7033416 | Low temperature synthesis of metallic nanoparticles A new low temperature method of reducing metallic salts, both inorganic and organic to metallic nanoparticles has been discovered. The reduction reaction is carried out in low boiling point monoalkylethers of ethylene glycol and mixtures of this solvent with alkane ... | 04/25/2006 |
| 7033537 | Process for producing continuous alumina fiber blanket A process for producing a continuous alumina fiber blanket by heat treating an alumina fiber precursor formed from a spinning solution containing an aluminum compound, by using a specific high-temperature furnace capable of high-temperature heat treatment. According... | 04/25/2006 |
| 7022155 | Plasma arc reactor for the production of fine powders A plasma arc reactor and process for producing a powder from a solid feed material, for example aluminium, is provided. The reactor comprises: (a) a first electrode (5), (b) a second electrode (10) which is adapted to be spaced apart from the first ele... | 04/04/2006 |
| 7002728 | Electrophoretic particles, and processes for the production thereof Copper chromite particles can advantageously be used as black particles in electrophoretic media and displays. Preferably, the copper chromite particles are coated with a silica coating and a polymer coating. ... | 02/21/2006 |
| 6979663 | Method and apparatus for the production of enrobed catalyst pastilles The present development relates to a process for enrobing active catalytic materials with a protective coating to form pastilles, and to an apparatus for making the pastilles. The process comprises mixing an active catalyst powder with a hydrocarbon material in a lo... | 12/27/2005 |