Reward Candy Dispenser for Personal Computers
A personal computer peripheral, battery powered reward candy dispenser which immediately presents students with a single candy for each problem completed correctly.
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| Number | Title | Issue Date |
| 7329716 | Siloxane oligomers by phase transfer catalysis A process for forming a siloxane oligomer from a mixture comprising at least one alkoxysilane, at least one phase transfer catalyst having a specified structure, and water is described. ... | 02/12/2008 |
| 7323507 | Stable dispersion concentrate consisting of a copolymer of acryloyldimethyltauric acid and cyclic carboxamide and an oil, emulsifier, or oil/emulsifier phase for cosmetic, pharmaceutical and dermatological compositions, and methods for preparation thereof Dispersion concentrates are claimed which consist of: I) 10-80% by weight of a crosslinked copolymer obtained by polymerization of 1 to 50% by weight of a cyclic N-vinylcarboxamide and 49.99 to 98.99 by weight of acryloyldimethyltauric acid, II) 20-90%... | 01/29/2008 |
| 7317056 | Synthetic resin emulsion, easily water-swellable pressure-sensitive adhesive compositions containing the same and process for production of the emulsion There is provided a synthetic resin emulsion comprising polymer particles having a core/shell structure, wherein the shell comprises a copolymer of an unsaturated carboxylic acid and a hydrophilic comonomer, the core comprises a copolymer of a monomer mixture compri... | 01/08/2008 |
| 7301002 | Sulfonated polyphenylene polymers Improved sulfonated polyphenylene compositions, improved polymer electrolyte membranes and nanocomposites formed there from for use in fuel cells are described herein. The improved compositions, membranes and nanocomposites formed there from overcome limitations of ... | 11/27/2007 |
| 7250461 | Organic formulations of conductive polymers made with polymeric acid colloids for electronics applications, and methods for making such formulations Organic compositions of conductive polymers are provided. The compositions have at least one polymer selected from polypyrrole, polythiophene, or combinations and at least one colloid-forming polymeric acid dispersed in a liquid medium that is at least 60% by weight... | 07/31/2007 |
| 7214740 | Fluorinated ionomers with reduced amounts of carbonyl end groups The present invention is a fluoropolymer comprising a plurality of pendent groups terminating in —CF2SO3X, —CF2SO2F, or combinations thereof, where X is selected from a group consisting of H+ and a monovalen... | 05/08/2007 |
| 7211640 | Pressure sensitive emulsion adhesive for over-laminating films, manufacturing method thereof and use thereof The present invention relates to an emulsion type adhesive applicable for over-laminating films, the preparation and the use thereof. The emulsion type adhesive comprises: (a) 60 to 99.5 parts per hundred of monomers of one or more alkyl acrylates containing 4-12 ca... | 05/01/2007 |
| 7186790 | Sulfonated polyphenylene polymers Improved sulfonated polyphenylene compositions, improved polymer electrolyte membranes and nanocomposites formed there from for use in fuel cells are described herein. The improved compositions, membranes and nanocomposites formed there from overcome limitations of ... | 03/06/2007 |
| 7173085 | Salt sensitive aqueous emulsions This invention relates to aqueous emulsions comprising a water-dispersible copolymer which is non-dispersible in aqueous solutions containing 0.5% or more of an inorganic salt, comprising acidic ethylenically unsaturated monomers and ethylenically unsaturated monome... | 02/06/2007 |
| 7169846 | Process for improving water-whitening resistance of pressure sensitive adhesives Pressure sensitive adhesive compositions having enhanced resistance to water-whitening comprising an aqueous emulsion polymer are disclosed. The polymer comprises the polymerization reaction product of a polymerizable aqueous emulsion comprising: (i) at least one hy... | 01/30/2007 |
| 7163999 | Resin particle and method for preparation thereof A method for preparing a resin particle having a large surface area and a shape factor (SF-1) of 110 to 800, which comprises a step of applying a shear force to an aqueous dispersion having a viscosity of 300 to 100,000 mPa·s formed by adding a thickener to an aque... | 01/16/2007 |
| 7148937 | Display comprising blended mixture of different uniform domain sizes with the ratio of smallest to largest domain size no more than 1:2 The present invention relates to an electro-optical imaging layer, a display utilizing the imaging layer and a method for making the same comprising a binder having dispersed therein at least two electrically modulated material domains of different uniform sizes, wh... | 12/12/2006 |
| 7144944 | Coating composition for ink-jet recording medium and ink-jet recording medium The present invention relates to a coating composition for a recording medium useful in ink jet printing of photographic images to provide a high gloss finish. The coating composition for an ink jet recording medium comprises colloidal silica and a synthetic resin e... | 12/05/2006 |
| 7138160 | Water soluble retention agent The use, for the manufacture of paper coating colors, of a copolymer water-soluble in a neutral or alkaline medium as an agent for simultaneously adjusting the water retention of the coating colors and the Brookfield viscosity of the said coating colors; a water-ret... | 11/21/2006 |
| 7109265 | Autodepositable adhesive A method for bonding two substrates that includes applying an autodepositable adhesive to one of the substrates and then bonding the substrates together. This method is especially useful for bonding elastomers to metals. According to a first embodiment, the autodepo... | 09/19/2006 |
| 7094832 | Polymer particles and process for production thereof The present invention suggests thermoplastic polymer particles for molding, which can solve all at once the problem of fine powder caused by suspension polymerization process, the problem of reducing energy consumption when drying caused by emulsion polymerization p... | 08/22/2006 |
| 7049360 | Water-soluble or water-dispersible (co) polymers of hydroxyalkyl (meth) acrylates, a process for their preparation, and their use as coating agent, binder and/or film-forming excipient pharmaceutical dosage forms The present invention relates to water-soluble or water-dispersible copolymers obtainable by free-radical polymerization of a) 80 to 20% by weight of hydroxy-C1–C6-alkyl (meth)acrylate and, where appropriate... | 05/23/2006 |
| 7034068 | Aqueous dispersions of water-soluble polymers of N-vinyl carboxylic acid amides, method for the production and use thereof Aqueous dispersions of water-soluble polymers of N-vinylcarboxamides contain, based on 100 parts of water, (A) from 5 to 80 parts by weight of water-soluble polymer containing N-vinylformamide units and/or N-vinylacetamide units and having particle size... | 04/25/2006 |
| 7022811 | 3,4-Alkylenedioxythiophene compounds and polymers thereof A thiophene compound represented by formula (I): wherein A represents a C1-5-alkylene bridge substituted with at least one fluorine atom and/or at least one alkyl group substituted with a fluorine-containing-... | 04/04/2006 |
| 6962953 | Aqueous secondary dispersions The present invention relates to heat and storage stable vinyl polymer polyol secondary dispersions containing A) at least one vinyl polymer resin having functional groups selected from hydroxyl, carboxyl and/or sulfonic acid groups and dispersed in a w... | 11/08/2005 |
| 6927267 | High solids dispersion for wide temperature, pressure sensitive adhesive applications A pressure-sensitive adhesive polymer comprising a reaction product of a C1 to C20 alkyl (meth)acrylate, an ethylenically unsaturated carboxylic acid, a C2 to C8 hydroxyalkyl (meth)acrylate, a vinyl aromatic, optionally a ... | 08/09/2005 |
| 6858180 | Process for inhibiting scale This invention relates to a process for scale inhibition using random copolymers of acrylic acid and a monomer that is hydrophobic. ... | 02/22/2005 |
| 6852817 | Pigment dispersing resin and water-based pigment dispersion which contains the same This invention provides a pigment dispersing resin which is a copolymer of: (A) sulfonic group-containing polymerizable unsaturated monomer, (B) polyoxyalkylene chain-containing nonionic polymerizable unsaturated m... | 02/08/2005 |
| 6818697 | Coating composition An improved aqueous coating composition which includes a bimodal copolymer. Methods of using an aqueous coating composition which includes a bimodal copolymer. ... | 11/16/2004 |
| 6723778 | Butadiene polymer latex An aqueous composition that includes (A) a butadiene polymer latex that is prepared by an emulsion polymerization in the presence of a styrene sulfonate stabilizer and (B) a phenolic resin. A preferred aqueous butadiene polymer latex is one that is prepared by emuls... | 04/20/2004 |
| 6683129 | Salt sensitive aqueous emulsions This invention relates to aqueous emulsions comprising a water-dispersible copolymer which is non-dispersible in aqueous solutions containing 0.5% or more of an inorganic salt, comprising acidic ethylenically unsaturated monomers and ethylenically unsatur... | 01/27/2004 |
| 6656989 | Compositions comprising water soluble copolymer and cesium salt of a carboxylic acid Novel polymer compositions are disclosed, along with their use as well service fluids, for example as completion fluids, work-over fluids or drilling fluids, comprising water soluble copolymers having sulfonate groups and carboxylate groups, along with al... | 12/02/2003 |
| 6639011 | Polymerization process of sulphonic monomers A polymerization process in aqueous emulsion of: (I) one or more fluorinated monomers containing at least one ethylene unsaturation; (II) one or more fluorinated monomers, containing sulphonyl groups --SO2 F; said process comprising the ... | 10/28/2003 |
| 6602951 | Use of hydroperoxides as regulators in polymerizations The invention provides for the use of non-copolymerizable hydroperoxides of the formula R--O--O--H as regulators in the free-radically initiated polymerization of ethylenically unsaturated monomers, where R is H, a C1 -C18 -alkyl rad... | 08/05/2003 |
| 6506804 | Ethylenically unsaturated amine salts of sulfonic, phosphoric, and carboxylic acids Disclosed are ethylenically unsaturated amine salts of sulfonic, phosphoric and carboxylic acids. The salts are surface active agents which are useful in a variety of applications as primary and/or secondary surfactants. The salts are especially useful as... | 01/14/2003 |
| 6444747 | Water soluble copolymers A water soluble or water dispersible polymer composition is disclosed. The polymer has the repeat units characterized by the formula I: ##STR1## Wherein E is the repeat unit remaining after polymerization of an ethylenically unsaturated compound; preferab... | 09/03/2002 |
| 6429256 | Aqueous coating composition and a polyol for such a composition Aqueous coating composition, for example for use as a clear or pigmented top coat or a primer, comprising: a) a polyol or a mixture of polyols having at least two hydroxy groups per molecule and: i a content C of carboxylate- and/or carboxylic acid-functional ... | 08/06/2002 |
| 6414080 | Inverse emulsion polymer and production thereof Disclosed herein is an inverse emulsion polymer composition comprising a copolymer or copolymer salt of N,N,-dimethylacrylamide and 2-acrylamido-2-methylpropane sulfonic acid or acid salts thereof, having a Brookfield viscosity of less than 20,000 Cps at ... | 07/02/2002 |
| 6399702 | Butadiene polymer latex An aqueous composition that includes (A) a butadiene polymer latex that is prepared by an emulsion polymerization in the presence of a styrene sulfonate stabilizer and (B) a phenolic resin. A preferred aqueous butadiene polymer latex is one that is prepar... | 06/04/2002 |
| 6365647 | Process for preparing a polymeric latex A polymeric latex prepared by aqueous emulsion polymerization of a monomeric mixture comprising styrene and butadiene in the presence of a seed polymer prepared by aqueous emulsion polymerization of styrene and a salt of 2-acrylamido-2-methylpropanesulfon... | 04/02/2002 |
| 6359092 | Water-whitening resistant latex emulsion pressure sensitive adhesive and its production An aqueous, blush-retardant pressure sensitive adhesive (PSA) is made from an aqueous latex emulsion having an average particle size diameter of not substantially above about 100 nm and emulsified in the presence of an emulsifier consisting essentially of... | 03/19/2002 |
| 6348516 | Method for producing solution of polymers functionalized by acid groups by microwave radiation Process for using microwave irradiation to prepare solutions of polymers functionalized with acid groups The invention relates to a process for preparing aqueous, hydrous and anhydrous solutions of polymers functionalized with acid groups, which comprises... | 02/19/2002 |
| 6242540 | Process for the preparation of polymer particles Particles of a copolymer of a vinyl arene and a copolymerizable compound containing a polar moiety and a vinyl moiety containing water may be prepared by forming a mixture of monomers and small amounts of water and polymerizing under agitation to 20 to 70... | 06/05/2001 |
| 6214965 | Process for preparing an aqueous solution of sulfanilic acid modified melamine-formaldehyde resin and a cement composition The present invention relates to a process for preparing an aqueous solution of sulfonated melamine-formaldehyde resin, and a cement composition in which the solution and a setting retarder are added to a concrete, a mortar, a cement paste or the like. An... | 04/10/2001 |
| 6117960 | Water-soluble cross-linkable copolymers The invention concerns water-soluble cross-linkable copolymers having a molecular weight of ࣘ500000 and comprising a) between 20 and 95 wt. % sulphonic-acid- or sulphonate-group-containing monomer units; b) between 4 and 80 wt. % N-methylol- or N-alkoxy... | 09/12/2000 |