Famous Patents
In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
PatentStorm News
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 |
| 8013049 | Method for producing core-shell type highly liquid absorbent resin particles The present invention discloses a production method of core-shell type highly liquid absorbent resin particles comprising: (1) a first step in which a particle core portion is formed by suspension polymerizing an aqueous solution (e) containing (meth)acrylic acid, a... | 09/06/2011 |
| 8013050 | Waterborne multistage polymer dispersion The invention relates to a process for the manufacture of a waterborne multistage polymer dispersion that has ethylenically unsaturated functional groups for crosslinking. The process comprises the steps of; a. making an aqueous em... | 09/06/2011 |
| 7923503 | Aqueous pressure-sensitive adhesive composition and use thereof There provided a pressure-sensitive adhesive (PSA) composition constituting a PSA layer, which may exhibit a plurality of properties in a well-balanced manner, and a PSA sheet including the PSA layer. The composition is an aqueous PSA composition in which an acrylic... | 04/12/2011 |
| 7834079 | Water-soluble anionic polymer dispersion and method for producing the same Disclose is a water soluble anionic polymer dispersion containing a radical copolymer created in water salt which includes anionic monomer, non-ionic monomer, ionic dispersant and radical polymerization initiator, and anionic surfactant or non-ionic surfactant. Also... | 11/16/2010 |
| 7816441 | Dispersing assistant for emulsion and suspension polymerization The use of an addition polymer A composed in copolymerized form of 0.1% to 40% by weight of at least one C3 to C30 alkene, 40% to 99.9% by weight of at least one ethylenically unsaturated C3 to C6 monocarboxylic ac... | 10/19/2010 |
| 7754804 | Aqueous dispersions of hydrosoluble polymerisates of ethylenically unsaturated anionic monomers, method for the production and use thereof An aqueous dispersion of water-soluble polymers obtained by free radical polymerization of ethylenically unsaturated anionic monomers in an aqueous medium in the presence of a stabilizer, wherein the stabilizer comprises: (a) at least one water-soluble polymer selec... | 07/13/2010 |
| 7435773 | Resin composite and method for producing the same A resin composite having excellent tensile strength and a process for producing the composite are provided. The resin composite comprises a resin and aluminum hydroxide having an average primary-particle diameter of about 100 nm or smaller and has an index Y/X of 0.... | 10/14/2008 |
| 7435783 | Swollen multi-stage emulsion polymers with low dry bulk densities An aqueous polymer emulsion comprising water and swollen multi-stage polymer is provided. The swollen multi-stage polymer has low dry bulk density, as measured by centrifugation. To achieve the low dry bulk density, the polymer is highly swollen in such a way that i... | 10/14/2008 |
| 7411020 | Water-based release coating containing fluorochemical In one aspect, the invention provides a water-based release coating composition comprising a mixture of: A. from 0.1 to about 5 wt % of a fluoro(meth)acrylate (co)polymer or a fluorochemical urethane compound containing at least one fluorinated group having the form... | 08/12/2008 |
| 7375161 | Emulsion-type pressure sensitive adhesive and process for producing the same A process for producing an emulsion pressure-sensitive adhesive comprises (co)polymerizing a main monomer in the presence of a protective colloid, the protective colloid being an acrylic copolymer comprising (A-1) at least one hydrophilic monomer selected from the g... | 05/20/2008 |
| 7368486 | Dental materials with high abrasion resistance Dental materials with high abrasion resistance and their use for producing artificial teeth and/or their enamel or cutting areas are described. The materials primarily contain: | 05/06/2008 |
| 7351475 | Coating compositions suitable for use as a wood stain and/or toner Coating compositions are disclosed that include a film-forming resin, a radiation cure initiator, a colorant, and a diluent. These compositions are substantially free of radiation curable material. Also disclosed are substrates at least partially coated with such co... | 04/01/2008 |
| 7338534 | Oxidation dyeing composition for keratinous fibres based on amphiphilic polymers of at least an ethylenically unsaturated monomer with sulphonic group and comprising a hydrophobic part The invention concerns an oxidation dyeing composition for keratinous fibres, in particular for human keratinous fibres and more particularly hair, comprising, in a medium suited for dyeing, at least an oxidation dyeing agent, and also at least an amphiphilic polyme... | 03/04/2008 |
| 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 |
| 7329705 | Salt-sensitive binder compositions with N-alkyl acrylamide and fibrous articles incorporating same A salt sensitive polymeric binder for use in fibrous webs, where the binder contains a copolymer of carboxylic acid monomer units, acrylate monomer units, and N-alkyl acrylamide units. The copolymer is neutralized at least to the point where it is water soluble. The... | 02/12/2008 |
| 7323517 | Composition and process for enhancing controlled free radical polymerization The present invention relates to a composition and process for enhancing the controlled radical polymerization in the presence of nitroxyls and nitroxylethers by adding a chain transfer agent selected from the group consisting of mercaptanes, thioethers and disulfid... | 01/29/2008 |
| 7323510 | Method for the production of water-in-water polymer dispersions The invention relates to methods for manufacturing a water-in-water polymer dispersion containing polymer A and at least one polymer dispersant B, according to which monomers, which are dispersed in an aqueous phase containing water-soluble dispersant B, are subject... | 01/29/2008 |
| 7320831 | Salt-sensitive vinyl acetate binder compositions and fibrous article incorporating same A salt sensitive polymeric binder for use in fibrous webs, where the binder contains a copolymer incorporating the residue of vinyl acetate, a carboxylic acid, and a vinyl ester of a saturated aliphatic monocarboxylic acid having between 6 and 18 carbon atoms in the... | 01/22/2008 |
| 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 |
| 7303653 | Sizing agent and recording sheet having the same A sizing agent includes a vinyl copolymer having a repeating unit (i) having a quaternary amino group and a repeating unit (ii) derived from acrylic monomers having a hydrophilic polyoxyethylene, the ratio by mass, (i):(ii), of the repeating unit (i) to the repeatin... | 12/04/2007 |
| 7304124 | Process for stripping volatile substances from dispersion comprising polymer particles and process for producing toner A stripping process is provided which continuously strips volatile substances from a dispersion containing a polymer particles through stripping the volatile substances from a dispersion by blowing an inert gas into the dispersion to draw the volatile substances int... | 12/04/2007 |
| 7285590 | Aqueous dispersions containing multi-stage emulsion polymers Aqueous dispersions are disclosed, having a minimum film formation temperature no greater than about 50° C., that include a multi-stage emulsion polymer made by a process that includes a first polymerization stage, in which a first monomer mixture having a calculat... | 10/23/2007 |
| 7273895 | Process for reducing residual monomer concentration A process of preparing water soluble or water swellable polymer comprising the steps, (a) forming an aqueous mixture comprising, (i) a water soluble ethylenically unsaturated monomer or blend of monomer... | 09/25/2007 |
| 7270184 | Method of well treatment The invention provides a method of well treatment comprising introducing into the matrix surrounding a hydrocarbon well bore hole an emulsion the discontinuous phase of which comprises a non-polymerizable, water or oil miscible liquid carrier, a polymerizable monome... | 09/18/2007 |
| 7250448 | Anionic copolymers prepared in an inverse emulsion matrix and their use in preparing cellulosic fiber compositions A papermaking method and a composition which utilize, as a drainage aid, a water-soluble anionic copolymer prepared via a water-in-oil polymerization technique that, absent a cross-linking agent, is characterized by a Huggins' constant (k′) determined in 0.01M NaC... | 07/31/2007 |
| 7247489 | Ion-detecting microspheres and methods of use thereof This invention provides methods of using ion-detecting microspheres containing an ionphore and a chromoionphore in clinical laboratory instrumentation such as flow cytometry for sample analysis. In one embodiment, the microspheres are contacted with a flowing stream... | 07/24/2007 |
| 7247671 | Aqueous crosslinkable coating compositions based on vinyl fluoropolymer Aqueous crosslinkable coating composition suitable for anti-graffiti and heavy duty applications comprising: (A) an aqueous polymer emulsion comprising at least one vinyl fluoropolymer which comprises as a polymerized constituent monomer thereof (i) a fluoromonomer(... | 07/24/2007 |
| 7244784 | Aqueous nanoparticle dispersions New aqueous PNP dispersions are disclosed. A method of preparing an aqueous PNP dispersion from solvent-based PNPs having a diameter in the range of from 1 to 50 nanometers is disclosed. An associative thickener composition based on PNPs having an average of at leas... | 07/17/2007 |
| 7244781 | Composite compositions including polymeric nanoparticles and clay nanoparticles Composite compositions that include polymeric nanoparticles and clay nanoparticles, and a method for forming the compositions are provided. The polymeric nanoparticles of particular compositions have a mean diameter from 1 to 50 nm. Also provided are polymeric compo... | 07/17/2007 |
| 7241829 | Exfoliated polyolefin/clay nanocomposites using chain end functionalized polyolefin as the polymeric surfactant Polyolefin/clay nanocomposites with an exfoliated structure are prepared by a process which employs a specific chain end functionalized polyolefin that serves as the clay/polyolefin interfacial compatibilizer (or polymeric surfactant). The polyolefin contains a hydr... | 07/10/2007 |
| 7226959 | Water soluble energy curable stereo-crosslinkable ionomer compositions A homogenous, aqueous, energy curable, stereo cross linkable ionomer containing coating composition and a method of preparing same. ... | 06/05/2007 |
| 7217760 | Water-and-oil repellant composition with improved suitability for cold cure A fluoropolymer-based water-and-oil repellant composition which comprises a copolymer comprising units derived from (a) an ethylenic monomer having a perfluoroalkyl group, (b) an ethylenic monomer having a group comprising an aromatic ring and a halogen atom or halo... | 05/15/2007 |
| 7211122 | Polishing composition and rinse composition A polishing composition for reducing the haze level of the surface of silicon wafers contains hydroxyethyl cellulose, polyethylene oxide, an alkaline compound, water, and silicon dioxide. ... | 05/01/2007 |
| 7208121 | Plasticizer-free-ion-detective sensors A plasticizer-free ion detective sensor for detecting a target ion in a sample is provided. The sensor comprises a copolymer of methacrylate monomers with pendant alkyl groups of different length, and an ionophore for detecting the target ion. The copolymer matrix o... | 04/24/2007 |
| 7201876 | Ion-detecting sensors comprising plasticizer-free copolymers Ion-detecting sensors for detecting a target ion in a sample are provided. The sensor comprises a plasticizer-free copolymer comprised of polymerized units of methacrylate monomers having pendent alkyl groups of different length and a functionalized ionophore of sai... | 04/10/2007 |
| 7199178 | Low-solvent, OH-functional dispersions A process for preparing copolymer dispersions that includes subjecting A) one or more vinyl monomer mixtures containing a) OH-free (meth)acrylic esters and/or vinylaromatics, b) hydroxy-functional vinyl monomers and/or hydroxy-functional (meth)acrylic esters, c) ion... | 04/03/2007 |
| 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 |
| 7157526 | Aqueous primary dispersion, substantially or completely devoid of volatile organic substances, method for the production thereof and use of the same Aqueous primary dispersion, substantially or entirely free of volatile organic compounds, and comprising dispersed and/or emulsified, solid and/or liquid polymer particles and/or dispersed solid core/shell particles with a particle diameter≦500 nm, preparable by f... | 01/02/2007 |
| 7153900 | Structurally viscose clear lacquer slurry A pseudoplastic clearcoat slurry comprising solid and/or highly viscous particles which are dimensionally stable under storage and application conditions and at least one water soluble salt, preferably from 0.1 to 50 mmol per 1 000 g of water, which can be decompose... | 12/26/2006 |
| 7135135 | Superabsorbent water sensitive multilayer construction A multilayer construction that includes a first layer that includes water sensitive thermoplastic polymer and a second layer disposed on the first layer, the second layer including superabsorbent polymer. ... | 11/14/2006 |
