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| Number | Title | Issue Date |
| 8183739 | Electroactive polymer actuated devices Devices employing electroactive polymer actuators are disclosed. The devices include pumps, valves, cameras (where electroactive polymer actuators control either one or both of zoom and focus), vibrators (for inclusion in cell phones, game console controls, etc.) an... | 05/22/2012 |
| 8183302 | Visco-elastic polyurethane foam with castor oil The present invention relates to polyether polyol compositions containing renewable raw materials, a process for preparing visco-elastic polyurethane foams using such compositions, correspondingly prepared visco-elastic foam materials, and the use thereof. ... | 05/22/2012 |
| 8178603 | Flameproofed impact-modified polycarbonate compositions The present disclosure relates to an impact-modified polycarbonate composition which comprise a first graft polymer containing silicone/acrylate composite rubber as the graft base, wherein the content of silicone rubber is 65-95 wt. % (based on the graft base), a se... | 05/15/2012 |
| 8178591 | Carbon dioxide blown low density, flexible microcellular polyurethane elastomers Microcellular polyurethane flexible foams having densities no greater than 0.3 g/cc which are suitable for use as lightweight shoe sole components are produced with carbon dioxide in an amount such that the polyurethane-forming mixture has a free rise density of fro... | 05/15/2012 |
| 8173762 | Process for the preparation of polycarbonate A combined process for the preparation of polycarbonate from bisphenols and diaryl carbonates, the monophenol liberated being reacted again for the preparation of the diaryl carbonate and the alkali metal halide forming in the preparation of the diaryl carbonate bei... | 05/08/2012 |
| 8168110 | Method for producing a deep-drawn film part from a thermoplastic material Process for the production of an at least partly printed, metallized and/or otherwise coated thermoformed film part with at least the following process steps: a flat film piece which is at least partly printed, metallized and/or ot... | 05/01/2012 |
| 8164835 | Optical systems employing compliant electroactive materials The present invention provides optical systems, devices and methods which utilize one or more electroactive films to adjust an optical parameter of the optical device/system. ... | 04/24/2012 |
| 8163822 | Polycarbonate composition with improved melt-flowability The invention relates to a polycarbonate composition with improved melt-flowability together with good optical properties and together with good hydrolysis resistance. ... | 04/24/2012 |
| 8158745 | Polycarbonates having rearrangement structures, cyclic and linear oligomers and also flow behavior The present invention relates to compositions having improved rheological properties which are based on polycarbonate having rearrangement structures and cyclic and linear oligomers and also moldings and extrudates composed of these polycarbonate compositions. ... | 04/17/2012 |
| 8158099 | Process for producing chlorine from HCL A process is described for the production of chlorine by a catalysed gas-phase oxidation of hydrogen chloride with an oxygen-containing gas stream. ... | 04/17/2012 |
| 8153838 | Process for producing isocyanates An isocyanate is produced by: (a) reacting chlorine with carbon monoxide to form phosgene, (b) reacting the phosgene with an organic amine to form an isocyanate and hydrogen chloride, (c) separating the isocyanate and hydrogen ... | 04/10/2012 |
| 8134014 | Preparation of uretdione polyisocyanates The invention relates to the use of specific pyridines as catalysts for the dimerization of isocyanates (uretdione formation) and a process for preparing polyisocyanates having a high content of uretdione groups. ... | 03/13/2012 |
| 8133928 | Method for decanting preconditioned ion-exchange resin suspensions A process for the storage or transportation of pretreated, conditioned ion exchangers as catalysts for chemical reactions is disclosed. The preconditioned ion-exchange resin is kept as preconditioned ion-exchange resin suspension in a storage or transporting contain... | 03/13/2012 |
| 8133509 | Hydrogels based on aliphatic NCO prepolymers The invention concerns novel hydrogels, a process for the preparation of these hydrogels and would contact materials comprising these hydrogels. These polyurethane hydrogels are obtained by the reaction of aliphatic isocyanate prepolymers with polyols comprising ter... | 03/13/2012 |
| 8127437 | Method for fabricating electroactive polymer transducer Electroactive polymer transducers for sensory feedback applications are disclosed. ... | 03/06/2012 |
| 8119729 | Aqueous secondary polymer dispersions for the production of coatings The invention concerns aqueous secondary polymer dispersions based on special acrylate building blocks, a process for their production and their use as binders for the production of blister-free coatings. ... | 02/21/2012 |
| 8114931 | Aqueous adhesive dispersions An aqueous polymer dispersion that includes a) a polyurethane dispersion having an average particle size of 60 to 350 nm and b) an aqueous silicon dioxide dispersion having a particle diameter of the SiO2 particles of 20 to 400 nm. The dispersion is prepa... | 02/14/2012 |
| 8110649 | Polycarbonates comprising cyclic oligomers and having an improved flow behavior The invention relates to polycarbonates that comprise defect structures and cyclic oligomers and have improved properties. The invention also relates to molded articles and extrudates made from said polycarbonates. ... | 02/07/2012 |
| 8110621 | Castor oil-based polyol emulsions A polyol emulsion of castor oil and monoepoxides is combined with methylenediphenyl diisocyanate (MDI) and cement to produce a polymer cement. ... | 02/07/2012 |
| 8110073 | Process for the preparation of aromatic amines Aromatic amines are produced by catalytic hydrogenation of aromatic nitro compounds. The reaction mixture generated by this hydrogenation is then worked up by distillation in a manner which makes it possible to substantially free the amine of water with increased en... | 02/07/2012 |
| 8106144 | Process for producing polycarbonate A process is described for producing polycarbonate and utilizing at least some of the process waste water by concentrating the sodium chloride-containing waste water phases for the electrolysis using osmotic membrane distillation, if appropriate with simultaneous di... | 01/31/2012 |
| 8106140 | Process for preparing low-viscosity allophanates containing actinically curable groups The present invention relates to a process for preparing low-viscosity reaction products of polyisocyanates containing activated, ethylenically unsaturated groups which react, with polymerization, on exposure to actinic radiation. ... | 01/31/2012 |
| 8101673 | Silica-containing UV-crosslinkable hardcoat coatings comprising urethane acrylates The present invention relates to a UV-crosslinkable composition comprising a) unmodified, protonated silica nanoparticles; b) urethane acrylate; c) polar solvent; and d) UV initiator system, wherein the amount by weight of unmodified, protonated silica nanoparticles... | 01/24/2012 |
| 8101097 | Printable compositions containing silver nanoparticles, processes for producing electrically conductive coatings using the same, and coatings prepared thereby Printable compositions comprising: (a) 5 to 40 parts by weight of silver nanoparticles having a maximum effective diameter of 150 nm, as determined by laser correlation spectroscopy; (b) 50 to 99.5 parts by weight of water; (c) 0.01 to 15 parts by weight of a disper... | 01/24/2012 |
| 8097751 | Process for preparing polyisocyanates by the adiabatic phosgenation of primary amines A two-stage process for the preparation of organic isocyanates by reacting primary amines with phosgene in which: a) in a first stage, amine and phosgene are reacted in an adiabatically managed reaction, in which the temperature of reaction is restricted to values b... | 01/17/2012 |
| 8097691 | Preparation of polyisocyanates of the trimer type The invention relates to the use of heterocycles containing trivalent phosphorus as a ring member as catalysts for isocyanate modification and to a process for preparing polyisocyanates of the trimer type. ... | 01/17/2012 |
| 8097676 | Polycarbonate molding compositions An impact modified thermoplastic molding composition comprising aromatic polycarbonate and/or polyester carbonate and a rubber-modified graft polymer prepared by the bulk, solution or bulk-suspension polymerization process is disclosed. The composition that is chara... | 01/17/2012 |
| 8097675 | 2,2′-MDI-based isocyanate mixtures, polyisocyanate polyaddition products prepared therefrom, processes for making the same and methods for their use Isocyanate mixtures comprising: (a) NCO prepolymers having an NCO content of 1.5 to 18 wt. %; and (b) 1 to 40 wt. % of monomeric 2,2′-diisocyanatodiphenylmethane, based on the isocyanate mixture; wherein the isocyanate mixture has a total NCO content of from 2 to ... | 01/17/2012 |
| 8093176 | Process for the continuous production of catalysts Process for the continuous production of catalysts which are useful for the production of carbon nanotubes by decomposition of gaseous carbon compounds. ... | 01/10/2012 |
| 8092901 | Multi-layer weather-resistant, coloured panel A multilayer product characterized by its improved weatherability and mechanical properties is disclosed. The product contains a layer A containing a member selected from the group consisting of transparent thermoplastic material and a lacquer, the member containing... | 01/10/2012 |
| 8088880 | Nanoparticle-modified polyisocyanates The present invention relates to innovative, nanoparticle-modified polyisocyanates, a process for their preparation and to their use in coating compositions and adhesives. The process comprises the steps of 1) reacting A) polyisocyanates with B) alkoxysilanes, and s... | 01/03/2012 |
| 8084570 | Polycarbonate for making extruded films that are virtually free of surface defects Linear polycarbonate resin virtually free of surface defects that impair the suitability of the resin for demanding optical application is disclosed. Also disclosed is a process for the manufacture of the resin. The surface defects included in the resin are in the f... | 12/27/2011 |
| 8079752 | Process and mixing unit for the preparation of isocyanates by phosgenation of primary amines The invention relates to a mixer reactor of the rotor-stator type. This mixer reactor comprises a substantially rotationally symmetric housing which has a distributing chamber, a mixing chamber, a front plate that modifies the cross-section of the housing between th... | 12/20/2011 |
| 8072121 | Electroactive polymer transducers biased for optimal output Electroactive polymer transducers are disclosed. They are biased in a manner that provides for increased force and/or stroke output, thereby offering improved work potential and power output capacity. The biasing may offer additional or alternate functional advantag... | 12/06/2011 |
| 8071659 | Process for preparing low-viscosity allophanates containing actinically curable groups The present invention relates to a process for preparing low-viscosity reaction products of polyisocyanates containing activated groups which react, with polymerization, with ethylenically unsaturated compounds on exposure to actinic radiation. ... | 12/06/2011 |
| 8067522 | Low viscosity, alkoxysilane-functional prepolymers and a process for their preparation The present invention relates to a process for preparing alkoxysilane-functional prepolymers by reacting A) 1.0 equivalent of a polyol component have a number average molecular weight of 3000 g/mol to 20,000 g/mol and containing on... | 11/29/2011 |
| 8063241 | Process for the preparation of toluene-diisocyanate The present invention relates to a process for the preparation of toluene-diisocyanate. In this process, toluenediamine is reacted with phosgene to give crude toluene-diisocyanate, the crude toluene-diisocyanate is purified by distillation, the distillation residue ... | 11/22/2011 |
| 8063144 | Polyisocyanate mixtures, a process for their preparation and their use in coating compositions The present invention relates to polyacrylate-modified polyisocyanates which are i) prepared from aromatic, araliphatic, cycloaliphatic and/or aliphatic polyisocyanates having an NCO content of 5% to 25% by weight, an NCO functionality ≧2 and a viscosity measured ... | 11/22/2011 |
| 8063138 | Aqueous PU dispersions with improved adhesion A process for preparing polyester-polyurethane resin dispersions comprising: A) reacting i) one or more polyol components having a number average molecular weight of at least 300 daltons, at least 60% b... | 11/22/2011 |
| 8058861 | Miniature high-voltage power supplies The present invention provides a system comprising a high-voltage capacitive device and a power circuit electrically coupled to the capacitive device, wherein the power circuit is configured for stepping up a lower DC source voltage to a higher DC output voltage, wh... | 11/15/2011 |
