Quotables
"The production of too many useful things results in too many useless people."
Karl Marx
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 |
| 8133958 | Methacrylate resin with excellent discoloration-resistance and transparency and method for preparing the same One aspect of the invention relates to a methacrylate resin prepared by suspension polymerization using a polyalkylacrylate-acrylic acid as a suspension stabilizer. The suspension stabilizer is used in an amount of about 0.05 to about 0.25 parts by weight per 100 pa... | 03/13/2012 |
| 8084556 | Method for preparing water-absorbing polymer particles by suspension polymerization In a process for producing water-absorbing polymeric particles by suspension polymerization, a monomer solution is metered into a stirred reactor via at least one feed line, the stirred reactor has a volume of at least 1 m3 and the at least one feed line ... | 12/27/2011 |
| 8034884 | Gaseous phase fluidized-bed reactor Gas-phase fluidized-bed reactor for polymerizing ethylenically unsaturated monomers, comprising a reactor chamber (1) in the form of a vertical tube, if desired a calming zone (2) following the upper section of the reactor chamber, a circulation gas li... | 10/11/2011 |
| 7999045 | Method for producing aqueous polymer dispersion A process for preparing an aqueous polymer dispersion using flush water. ... | 08/16/2011 |
| 7951880 | Compositions for breast implant filling and methods of use The methods and compositions disclosed herein describes a solution containing at least one block co-polymer that is a liquid at lower temperatures and transitions to a gel at higher temperatures. The compositions are useful, for example, as an alternative to saline ... | 05/31/2011 |
| 7928171 | Intraocular lens materials suitable for insertion through a small bore cartridge A polymer material useful for manufacturing an intraocular lens (IOL) suitable for insertion through an IOL inserter barrel having an inner diameter of less than 3 mm is provided. Specifically, acrylic-silicone hybrids having a tensile strength of approximately 100 ... | 04/19/2011 |
| 7838606 | Production process of copolymer for semiconductor lithography Efficient and reproducible production of a copolymer for lithography, which has stable quality, with little lot-to-lot variations, and is suited for film-forming and coating compositions. Radical polymerization of a monomer, which contains at least one ethylenic dou... | 11/23/2010 |
| 7812102 | Method and apparatus for discharging polymerization reactors A method and an apparatus of discharging polymer from a continuously operated gas phase reactor, wherein at least one monomer is polymerized in a bed containing active catalyst formed by catalyst and polymer particles suspended in a fluid, the bed defining a fluidiz... | 10/12/2010 |
| 7737230 | NMR method of determining and regulating the composition of polymer mixtures in polymerization Method of determining the composition of polymer mixtures comprising defined polymer components of differing mean molar masses Mn, which comprises the steps (a) recording of at least one 1H-NMR relaxation curv... | 06/15/2010 |
| 7655739 | Adhesive compositions comprising a polyfarnesene Adhesive composition comprises a polyfarnesene and a tackifier. The polyfarnesene can be a farnesene homopolymer derived from a farnesene (e.g., α-farnesene or β-farnesene) or a farnesene interpolymer derived from a farnesene and at least a vinyl monomer. In some ... | 02/02/2010 |
| 7501478 | Thermoprecipitating polymer containing enzyme specific ligands, process for the preparation thereof, and use thereof for the separation of enzymes The present invention provides novel thermoprecipitating polymers of formula 1 containing novel enzyme sensitive ligands of the formula 4, processes for the preparation thereof respectively, and to the use thereof for the separation of enzymes. In formula 1 R is hyd... | 03/10/2009 |
| 7442748 | Continuous polymerization reactor A process for the continuous polymerization of monomer, the process comprising (a) adding monomer and catalyst to an annulus within an annular reactor to form a polymerization medium within the annulus, where the annulus includes the space between an outer casing wa... | 10/28/2008 |
| 7429633 | Brush-form alternative copolymer and process for producing the same The invention is an alternating copolymer, and a method of producing the same, obtained by alternately copolymerizing a vinylbenzyl-terminated polyethylene oxide (or polydimethylsiloxane) and a (meth)acryloyl-terminated polydimethylsiloxane (or polyethylene oxide). | 09/30/2008 |
| 7399570 | Water-soluble negative photoresist polymer and composition containing the same Photoresist patterns are formed using a photoresist composition, which includes water, a negative photoresist polymer having a salt-type repeating unit, and a photoacid generator, so that a developing process can be performed not by using conventional TMAH solution ... | 07/15/2008 |
| 7393624 | Negative resists based on acid-catalyzed elimination of polar molecules The present invention provides polymers that are useful in negative resist compositions. Polymers of the present invention comprise (1) a first monomer having a polar functional group; (2) a second monomer; and optionally, (3) a third monomer that imparts at least o... | 07/01/2008 |
| 7384989 | Coating material, method for production and use thereof for production of adhesive, corrosion-resistant coatings A liquid coating material in the form of a water-in-oil dispersion which is curable with actinic radiation, is substantially or completely free from organic solvents and has a pH | 06/10/2008 |
| 7354693 | Polymer, resist protective coating material, and patterning process In an immersion lithography process, a pattern is formed by forming a photoresist layer on a wafer, forming a protective coating on the photoresist layer from an overlay material, exposing the layer structure to light in water, and developing. A water-insoluble, alk... | 04/08/2008 |
| 7342053 | Resin composition, adhesive film using the same and multilayer printed circuit board Producing a printed circuit board, by coating a resin composition comprising an aromatic cyanate compound having two or more cyanato groups in a molecule and a radical-polymerizable resin on a circuit substrate, photo-curing the resin composition, and thermally curi... | 03/11/2008 |
| 7339016 | Method for preparing water-absorbent polymer composite and accumulated material thereof Disclosed is a method for preparing a water-absorbent polymer composite comprising the steps of contacting a droplet containing a solvent and said polymerizable monomer before polymerization and/or under polymerization with first fibers fed through a first supply po... | 03/04/2008 |
| 7304097 | High modulus crosslinked polyethylene with reduced residual free radical concentration prepared below the melt The present invention provides an irradiated crosslinked polyethylene containing reduced free radicals, preferably containing substantially no residual free radical. Disclosed is a process of making irradiated crosslinked polyethylene by irradiating the polyethylene... | 12/04/2007 |
| 7300739 | Negative resists based on a acid-catalyzed elimination of polar molecules The present invention provides polymers that are useful in negative resist compositions. Polymers of the present invention comprise (1) a first monomer having a polar functional group; (2) a second monomer; and optionally, (3) a third monomer that imparts at least o... | 11/27/2007 |
| 7211642 | Thermosetting aromatic dielectric material A polymer comprises at least two types of monomer units selected from: (1) diethynyl benzene units, (2) triethynyl benzene units, and (3) ester units. After curing, the polymer may form a condensed polyaromatic dielectric having a dielectric constant of at most 2.0 ... | 05/01/2007 |
| 7211239 | Process for preparing a nanosized zeolitic material A process for preparing a zeolitic material, comprising (i) preparing a mixture comprising the at least one silicon containing precursor compound from which the zeolitic framework is formed, at least one pore forming agent, and at least one polymer whic... | 05/01/2007 |
| 7199277 | Pretreating a catalyst containing molecular sieve and active metal oxide This invention relates to processes for converting oxygenates to olefins that include a step of pretreating catalyst, which comprises molecular sieve and one or more active metal oxides of one or more metals, with a hydrocarbon composition to provide an integrated h... | 04/03/2007 |
| 7199071 | Catalyst component for polymerization of olefins, catalyst containing the component and use of the same The present invention relates to a catalyst component suitable for olefin (co)polymerization, which comprises an aluminoxane supported on magnesium halide and contains more than 5% by weight of aluminum. The catalyst component according to the present invention is o... | 04/03/2007 |
| 7166650 | High modulus crosslinked polyethylene with reduced residual free radical concentration prepared below the melt The present invention provides an irradiated crosslinked polyethylene containing reduced free radicals, preferably containing substantially no residual free radical. Disclosed is a process of making irradiated crosslinked polyethylene by irradiating the polyethylene... | 01/23/2007 |
| 7148280 | Polymer microspheres containing latent colorants and method of preparation The present invention relates to a polymer microsphere comprising at least one polymer and at least one bound latent colorant, wherein the microsphere is stabilized by at least one stabilizing polymer. The invention also includes a method of preparing polymer micros... | 12/12/2006 |
| 7138550 | Bridged carbocyclic compounds and methods of making and using same Disclosed herein is a fluorinated bridged carbocyclic compound that can be polymerized by itself or with at least one other ethylenically unsaturated monomer to provide a polymer. The polymer may be used, for example, within a sub-300 nm photoresist composition. Als... | 11/21/2006 |
| 7135544 | Living olefin polymerization processes Processes for the living polymerization of olefin monomers with terminal carbon-carbon double bonds are disclosed. The processes employ initiators that include a metal atom and a ligand having two group 15 atoms and a group 16 atom or three group 15 atoms. The ligan... | 11/14/2006 |
| 7132581 | Catalyst pretreatment with aldehyde in an oxygenate to olefins reaction system This invention concerns processes for converting oxygenates to olefins that include a step of pretreating catalyst used in the conversion reaction. A fresh or regenerated metalloaluminophosphate molecular sieve, which is low in carbon content, is pretreated with an ... | 11/07/2006 |
| 7119157 | Methods of preparing EP(D)M elastomer, of controlling yield thereof, and of recovering the same Disclosed herein is a method of preparing an EP(D)M elastomer, which includes pre-cooling a reactive solvent to −80 to −100° C.; and polymerizing ethylene, at least one higher α-olefin having 3 to 18 carbons, and selectively, at least one conjugated or non-con... | 10/10/2006 |
| 7091253 | Water-absorbent resin, hydropolymer, process for producing them, and uses of them The present invention provides a production process by which a water-absorbent resin of excellent quality can be obtained at a low cost by reasonable steps in aqueous solution polymerization. The process for producing a water-absorbent resin comprises the step of po... | 08/15/2006 |
| 7074481 | Adhesives for semiconductor applications efficient processes for producing such devices and the devices per se produced by the efficient processes Die attach adhesives and methods for their use, along with the devices that are obtained by the use of the methods. Using semiconductor chips as an example, the adhesives and the method for using them provides an interface between a chip (die) and the chip support. ... | 07/11/2006 |
| 7057083 | Catalyst pretreatment with C4-C7 olefins in an oxygenate to olefins reaction system This invention relates to processes for converting oxygenates to olefins that include a step of pretreating molecular sieve used in the conversion reaction with a C4–C7 olefin composition, which contains one or more C4–C7 | 06/06/2006 |
| 7045672 | Catalyst pretreatment with dimethyl ether in an oxygenate to olefins reaction system This invention relates to processes for converting oxygenates to olefins and olefins to polyolefins. The processes include a step of pretreating molecular sieve used in the conversion of oxygenate to olefin with a dimethyl ether composition. Fresh or regenerated mol... | 05/16/2006 |
| 7037485 | Steam methane reforming method A steam methane reforming method in which a feed stream is treated in a reactor containing a catalyst that is capable of promoting both hydrogenation and partial oxidation reactions. The reactor is either operated in a catalytic hydrogenation mode to convert olefins... | 05/02/2006 |
| 7022408 | Oriented acrylic hotmelts A pressure sensitive adhesive obtainable by free-radical polymerization, characterized in that at least 65% by weight of the adhesive is based on at least one acrylic monomer from the group of the compounds of the following general... | 04/04/2006 |
| 7022780 | Device for the continuous process for the production of controlled architecture materials The device of the present invention delivers reactants to a reaction zone in a plug flow reactor. The feedblock encircles the reaction zone. Reactants enter the feedblock through an inlet port leading to a manifold for the delivery of reactants into a plurality of f... | 04/04/2006 |
| 7011924 | Photoresist polymers and photoresist compositions comprising the same Photoresist polymers and photoresist compositions containing the same are disclosed that comprise a chain linking compound including an alcohol group and a boron compound represented by Formula 1 as a moiety. As a result, the photoresist polymer and the photoresist ... | 03/14/2006 |
| 7008897 | Metal compound, and catalyst component and catalyst for addition polymerization, and process for producing addition polymer A metal compound obtained by a process comprising the step of contacting, in a specific ratio, a compound represented by the formula BiL1r, a compound represented by the formula R1s-1TH, and a compound represented by the f... | 03/07/2006 |
