...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7339002 | Removable, water-whitening resistant pressure sensitive adhesives Removable, water-whitening resistant pressure sensitive adhesive (PSA) comprising a crosslinked aqueous emulsion polymer comprising (a) at least one hydrophobic monomer; (b) at least about 2 wt. % of at least one hydrophilic monomer; and (c) at least about 5 wt. % o... | 03/04/2008 |
| 7232793 | Water-based polymers for use as friction reducers in aqueous treatment fluids Provided are methods comprising providing an aqueous polymer dispersion comprising water, an anionic salt, a water-based friction reducing polymer, a polyol, an anionic surfactant, and a nonionic surfactant; mixing the aqueous polymer dispersion with additional wate... | 06/19/2007 |
| 7115682 | Removable, water-whitening resistant pressure sensitive adhesives Removable pressure sensitive adhesive compositions having enhanced resistance to water-whitening comprising a crosslinked aqueous emulsion polymer are disclosed. The crosslinked aqueous emulsion polymer comprises (a) at least one hydrophobic monomer; (b) greater tha... | 10/03/2006 |
| 7053146 | Compositions containing copolymers based on acryloyldimethyl aminoethylsulfonic acid and synergistic additives The invention relates to compositions comprising copolymers based on acryloyldimethyltaurine and also synergistic additives selected from anionic, cationic, nonionic, and betaine surfactants. The compositions exhibit a pronounced thermoassociative behavior and are o... | 05/30/2006 |
| 7026392 | Resin for pigment dispersion This invention relates to the use of a copolymer of polymerizable unsaturated monomer containing at least one kind of ionic functional group selected from the group consisting of quaternary ammonium salt group and sulfonic acid group, nonionic polymerizable unsatura... | 04/11/2006 |
| 7026384 | Process for the preparation of an aqueous dispersion of halogenated vinyl polymers involving a basic after-treatment The invention relates to a process for the preparation of an aqueous dispersion of halogenated vinyl polymers by polymerization, according to which, after polymerization, a basic agent is added in an amount such that the pH of the aqueous dispersion is less than app... | 04/11/2006 |
| 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 |
| 6870001 | Emulsifier mixture for emulsion polymerization An emulsifier mixture comprising an emulsifier I of the formula in which X is O, S, CH2, NH or NR7, one or two of the radicals R1 to R6 are a group S... | 03/22/2005 |
| 6827982 | Binder-enriched silicalite adhesion layer and apparatus for fabricating the same The adhesion of overlying layers to a silicalite-plus-binder dielectric layer is enhanced by forming a layer that includes the binder in a higher concentration. The overlying layer, e.g., silicon dioxide, silicon carbide or silicon nitride, adheres more tightly to t... | 12/07/2004 |
| 6787594 | Reduced formaldehyde nonwoven binders which contain polymerized units of N-methylolacrylamide The invention is the use of a glycolic acid adduct of sodium sulfite as the reducing agent in the redox couple for polymerization of vinyl acetate polymer based emulsions for nonwoven binders which contain formaldehyde, primarily from the self-crosslinking co-monome... | 09/07/2004 |
| 6489387 | Water whitening-resistant pressure-sensitive adhesives Acrylic emulsion PSA polymers which when cast as a film resist water whitening by hot or ambient temperature water are provided, and are formed by copolymerizing a monomer mixture comprising at least one alkyl acrylate ester of an alcohol containing at le... | 12/03/2002 |
| 6380302 | Surfactant composition for emulsion polymerization The present invention provides a surfactant composition for emulsion polymerization. The surfactant composition for emulsion polymerization comprises a compound (a) represented by the formula (I) and having a critical micelle concentration (CMC) in the ra... | 04/30/2002 |
| 6319980 | Method for preparing organic silicon compound emulsion An organic silicon compound emulsion for quickly imparting excellent water-repellent properties to the surfaces of porous inorganic base materials such as concrete, mortar, and masonry. The emulsion is prepared by the steps of emulsifying a mixture consis... | 11/20/2001 |
| 6147165 | Pressure-sensitive adhesives for marking films Inherently tacky, pressure-sensitive adhesive compositions useful in marking film applications are provided. The compositions comprise polymer particles prepared by emulsion polymerization of at least one monomer mixture. The monomer mixture comprises at ... | 11/14/2000 |
| 6133372 | Aqueous polymer dispersion, process for preparing the same and its use in leather production Aqueous polymer dispersions are produced by polymerizing monoethylenically unsaturated monomers bearing acid groups in an acid, partially or totally neutralized form, optionally with other monomers that can be copolymnerized therewith in the presence of h... | 10/17/2000 |
| 6036869 | Water continuous methyl acrylate emulsion polymers for improved flocculation of red mud in the Bayer process A method for improving the flocculation of suspended solids in a Bayer process liquor in a primary settler stage. The method includes the step of adding to a primary settler feed a composition including water-continuous polymer, said polymer being hydroly... | 03/14/2000 |
| 5620796 | Acrylic emulsion adhesive, method of production, and adhesive tape or sheet, and surfacer A method of producing an acrylic emulsion adhesive characterized in that a composition comprising 100 parts by weight of a monomeric mixture of alkyl (meth)acrylate, acrylic acid, methacrylic acid and N-vinylpyrrolidone, 0.5-2 parts by weight of a surfact... | 04/15/1997 |
| 5616645 | Gelled fluoride resin fine particle dispersion, method of production thereof, and preservation method for an alkaline inorganic hardened body utilizing the same The present invention relates to a gelled fluoride resin fine particle dispersion for use as a coating, to a method of production thereof, and to a method using this gelled fluoride resin fine dispersion to protect an alkaline inorganic hardened body. The... | 04/01/1997 |
| 5401801 | Aqueous silicone emulsion having utility as a mold release There is disclosed a novel silicone emulsion useful as a mold coating in aluminum die casting operations. The silicone emulsion of the invention comprises an aqueous dispersion of an organopolysiloxane of a particular general formula in combination with a... | 03/28/1995 |
| 5322886 | Production of polychloroprene latexes Polychloroprene latexes, well suited for the production of adhesives, are prepared by (co)polymerizing chloroprene, in aqueous emulsion, in the presence of a free-radical initiator and at least one emulsifying agent, said aqueous emulsion further comprisi... | 06/21/1994 |
| 5238992 | Microemulsion polymer blends A process for preparing solid polymer blends and composites of controlled porosity in microemulsions containing both hydrophilic and hydrophobic phases. The microemulsions are prepared with surfactant systems that may include a cosolvent as a part thereof... | 08/24/1993 |
| 5187217 | Process for the production of a plasticized polyvinyl butyral for gluing a base onto a glazing Process for the production of a plasticized polyvinyl butyral particularly used for gluing a base onto glazings. The polyvinyl butyral is obtained by the reaction of a butyric aldehyde with a polyvinyl alcohol, demonstrating a level of hydrolysis greater ... | 02/16/1993 |
| 5109063 | Vinyl acetate/ethylene/NMA copolymer emulsion for nonwoven binder applications A process for making an aqueous vinyl acetate/ethylene/N-methylolacrylamide copolymer emulsion comprising: (a) adding an initial charge containing all the vinyl acetate monomer to be polymerized and an effective amount of an emulsifying system consisting ... | 04/28/1992 |
| 4970251 | Viscous polymer solution A stable latex composition possessing a viscosity of less than about 50 cp. comprised of an ethylacrylate/methylacrylic acid/acrylic acid polymer and co-surfactant system comprising a nonylphenol polyethylene oxide ether sulfate and a propoxylated, ethoxy... | 11/13/1990 |
| 4929668 | Aqueous synthetic dispersions Aqueous synthetic dispersions based on copolymers of acryl polymers and/or vinyl polymers containing both hydroxylalkyl(meth)acrylate monomers and etherified N-alkylol(meth)acrylamide monomers. These dispersions are suitable as bonding agents for the prod... | 05/29/1990 |
| 4891398 | Fiber treatment composition A fiber treatment composition comprising an aqueous dispersion containing; (A) 100 parts by weight of a finely particulate epoxy group-containing organosilasesquioxane substantially represented by general unit formula (I): R1 SiO3/2 ... | 01/02/1990 |
| 4808648 | Enhanced oil recovery composition A stable latex composition possessing a viscosity of less than about 50 cp. comprised of an ethylacrylane/methylacrylic acid/acrylic acid polymer and a nonylphenol polyethylene oxide ether sulfate useful for increasing the viscosity of water that is injec... | 02/28/1989 |
| 4795772 | Enhanced oil recovery composition A stable latex composition possessing a viscosity of less than about 50 cp. comprised of an ethylacrylate/methylacrylic acid/ acrylic acid polymer and co-surfactant system comprising a nonylphenol polyethylene oxide ether sulfate and a propoxylated, ethox... | 01/03/1989 |
| 4785048 | Polyurea and polyurea-epoxy microcapsules An improved process for the production of microcapsules by the use of hydrogen transfer polymerization in the presence of a mixture of emulsifiers including either an aqueous solution of a sodium salt of naphthalene-sulfonic acid-formaldehyde condensate o... | 11/15/1988 |
| 4771098 | Process for preparing acrylic resin dispersions Acrylic resin dispersions are prepared by a monomer addition process in the presence of a free-radical initiator and an emulsifier, wherein a portion of the emulsifier is dissolved in the initial aqueous phase and the remaining portion in the added monome... | 09/13/1988 |
| 4753973 | Enhanced oil recovery composition A stable latex composition possessing a viscosity of less than about 50 cp. comprised of an ethylacrylate/methylacrylic acid/acrylic acid polymer and co-surfactant system comprising a nonylphenol polyethylene oxide ether sulfate and a propoxylated, ethoxy... | 06/28/1988 |
| 4657966 | Carboxylated latex A high solids latex of a functional monomer may be prepared by emulsion polymerization of the monomer charge to a specified overall conversion and then introducing an additional micelle forming surfactant or a unimodal seed latex and continuing the polyme... | 04/14/1987 |
| 4623695 | Acrylate hydrosols Low-viscosity acrylate hydrosols based on (meth)-acrylic acid esters and other monomers, such as styrene, methyl styrene, acrylonitrile, vinyl acetate and/or vinyl chloride, which are produced in the presence of a special mixed emulsifier of an alkyl phen... | 11/18/1986 |
| 4590238 | High-solid self-adhesive and process for the production thereof A high-solid self-adhesive having a solid content of 65 to 75% by weight and composed of an emulsion obtained by emulsion-copolymerizing a vinyl monomer mixture containing acrylate esters as the main ingredient and further at least one hydrophilic monomer... | 05/20/1986 |
| 4584341 | Emulsions of crosslinked polydiorganosiloxanes This invention is a method of producing a latex of crosslinked polydiorganosiloxane. The latex yields an elastomer upon removal of the water. The latex is prepared by homogenizing a mixture of hydroxyl endblocked polydiorganosiloxane, less than 75 millimo... | 04/22/1986 |
| 4568718 | Polydiorganosiloxane latex This invention is a method of producing an aqueous latex of crosslinked polydiorganosiloxane. The latex yields an elastomer upon removal of the water. The latex is prepared by homogenizing a mixture of hydroxyl endblocked polydiorganosiloxane; a silane of... | 02/04/1986 |
| 4567231 | Emulsions of reinforced polydiorganosiloxane latex This invention is a method of producing a latex of crosslinked polydiorganosiloxane reinforced with colloidal silica. The method allows the production of a latex having a relatively high amount of silica present in relation to the polymer because the wate... | 01/28/1986 |
| 4480119 | Unsymmetrical sulfosuccinate diesters Unsymmetrical sulfosuccinate diesters in which one carboxyl group of the sulfosuccinate is esterified with an alcohol, for instance, a C8 -C12 aliphatic monohydric alcohol such as octyl or dodecyl alcohol, or with an ethoxylated or p... | 10/30/1984 |
| 4424298 | Preparation of concentrated polyacrylate dispersions Emulsion copolymerization of acrylic or methacrylic acid esters with from 0.3 to 10% by weight of ,ଲ-monoolefinically unsaturated monocarboxylic acids and/or dicarboxylic acids and/or their amides, with or without up to 25% by weight of styre... | 01/03/1984 |
| 4401788 | Vinylidene chloride copolymer latex An emulsion polymerized vinylidene chloride copolymer latex having polymerized therein vinylidene chloride and one or more ethylenically unsaturated monomers copolymerizable therewith. The latex contains both an anionic and a nonionic surfactant. The late... | 08/30/1983 |