"That the automobile has practically reached the limit of its development is suggested by the fact that during the past year no improvements of a radical nature have been introduced."
Scientific American ; Jan. 2 edition, 1909
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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 |
| 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 |
| 8127437 | Method for fabricating electroactive polymer transducer Electroactive polymer transducers for sensory feedback applications are disclosed. ... | 03/06/2012 |
| 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 |
| 8093783 | Electroactive polymer device The invention describes rolled electroactive polymer devices. The invention also describes employment of these devices in a wide array of applications and methods for their fabrication. A rolled electroactive polymer device converts between electrical and mechanical... | 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 |
| 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 |
| 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 |
| 8054566 | Optical lens displacement systems The present invention provides optical systems, devices and methods which utilize one or more electroactive polymer actuators to adjust an optical parameter of the optical device or system. ... | 11/08/2011 |
| 8042264 | Method of fabricating an electroactive polymer transducer The invention describes rolled electroactive polymer devices. The invention also describes employment of these devices in a wide array of applications and methods for their fabrication. A rolled electroactive polymer device converts between electrical and mechanical... | 10/25/2011 |
| 8029854 | Concrete repair process The present invention provides a process for repairing concrete involving filling one of a void, gap or seam in the concrete with a polyurethane sealant containing a silane terminated prepolymer (“STP”), and a catalyst, optionally, one or more of plasticizers, f... | 10/04/2011 |
| 7990022 | High-performance electroactive polymer transducers Transducers employing electroactive polymer films are disclosed. Such transducers include an open frame and at least two layers extending within the frame, where the layers form a concave shape. ... | 08/02/2011 |
| 7977501 | Polyether carbonate polyols made via double metal cyanide (DMC) catalysis The present invention relates to a polyether carbonate polyol made by copolymerizing a starter molecule with carbon dioxide, at a pressure ranging from about 10 psia to about 2,000 psia, and an alkylene oxide, at a temperature ranging from about 50° C. to about 190... | 07/12/2011 |
| 7977415 | Impact resistant, flame retardant thermoplastic molding composition A thermoplastic molding composition characterized by its flame retardance and impact strength is disclosed. The composition contains (A) linear aromatic (co)polycarbonate, (B) a graft (co)polymer having core-shell morphology, the shell containing polymerized alkyl(m... | 07/12/2011 |
| 7971850 | Electroactive polymer devices for controlling fluid flow The invention describes devices for controlling fluid flow, such as valves. The devices may include one or more electroactive polymer transducers with an electroactive polymer that deflects in response to an application of an electric field. The electroactive polyme... | 07/05/2011 |
| 7952261 | Electroactive polymer transducers for sensory feedback applications Electroactive polymer transducers for sensory feedback applications are disclosed. ... | 05/31/2011 |
| 7940476 | Optical lens displacement systems The present invention provides optical systems, devices and methods which utilize one or more electroactive polymer actuators to adjust an optical parameter of the optical device or system. ... | 05/10/2011 |
| 7923902 | High-performance electroactive polymer transducers Electroactive polymer constructions that convert electrical energy to mechanical energy and vice versa are disclosed. The subject transducers (actuators, generators, sensors or combinations thereof) share the requirement of a frame or fixture element used in preload... | 04/12/2011 |
| 7923064 | Electroactive polymer manufacturing Described herein are transducers and their fabrication. The transducers convert between mechanical and electrical energy. Some transducers of the present invention include a pre-strained polymer. The pre-strain improves the conversion between electrical and mechanic... | 04/12/2011 |
| 7921680 | Apparatus and process for treating an article to impart color and/or enhance the properties of that article A process and an apparatus for treating large articles to impart color or performance enhancing additives to the article in which a treatment system which includes: (i) a coloring solution and/or a solution containing at least one performance enhancing additive, (ii... | 04/12/2011 |
| 7921541 | Method for forming an electroactive polymer transducer The present invention provides electroactive polymers, transducers and devices that maintain pre-strain in one or more portions of an electroactive polymer. Electroactive polymers described herein may include a pre-strained portion and a stiffened portion configured... | 04/12/2011 |
| 7915789 | Electroactive polymer actuated lighting Devices employing electroactive polymer actuators are disclosed. Acrylic dielectric material based actuators are optionally provided in which architectures are presented that allow for improved power output as compared with other known acrylic dielectric material ba... | 03/29/2011 |
| 7911761 | Fault-tolerant materials and methods of fabricating the same The present invention provides compliant/stretchable electroactive materials and devices made from those materials which exhibit fault-tolerant properties, i.e., self-healing/clearing properties. The present invention also provides systems, which incorporate the sub... | 03/22/2011 |
| 7911115 | Monolithic electroactive polymers The present invention relates to polymers, transducers and devices that convert between electrical and mechanical energy. When a voltage is applied to electrodes contacting an electroactive polymer, the polymer deflects. This deflection may be used to do mechanical ... | 03/22/2011 |
| 7898159 | Compliant electroactive polymer transducers for sonic applications Described herein are compliant electroactive polymer transducers for use in acoustic applications. A compliant electroactive polymer transducer includes a compliant electroactive polymer at least two electrodes. For sound production, circuitry in electrical communic... | 03/01/2011 |
| 7893965 | Optical lens image stabilization systems The present invention provides optical systems, devices and methods which utilize one or more electroactive polymer actuators to stabilize the image produced by the device or system. ... | 02/22/2011 |
| 7893143 | Process for the preparation of self-extinguishing thermoplastic polyurethanes The present invention relates to a process for the preparation of self-extinguishing thermoplastic polyurethanes which optionally contain conventional additives and/or auxiliary substance. ... | 02/22/2011 |
| 7799889 | Polycarbonates with good wettability The present invention provides a polycarbonate resin produced by the continuous interfacial process characterized in that after alkaline hydrolysis with sodium hydroxide, the polycarbonate resin contains an amount of 0.01 to 150 ppm of carbamate compounds according ... | 09/21/2010 |
| 7790805 | Impact-modified blends A thermoplastic molding composition suitable for producing article having improved surface quality is disclosed. The composition includes A) at least one polymeric resin selected from the group consisting of polycarbonate, polyester carbonate, polyamide, polyalkylen... | 09/07/2010 |
| 7790804 | Process for stripping polymer polyols The invention provides a process for the purification of polymer polyols that ensures a reduction of acrylonitrile, styrene as well as the residual amounts of optionally used chain regulator, and of occurring recombination products of the initiator when azo initiato... | 09/07/2010 |
| 7772312 | Reinforced polyurethane-urea elastomers and their use The invention relates to reinforced polyurethane-urea elastomers with a specific urea content and a specific urethane content, to sheet polyurethane moldings with high surface energy and good lacquer adhesion produced therefrom, and to their use. ... | 08/10/2010 |
| 7754793 | Flame resistant polycarbonate composition A thermoplastic molding composition that releases upon burning a limited amount of smoke is disclosed. The composition includes 95 to 60 percent aromatic (co)polycarbonate, 5 to 40 percent bromine-substituted oligocarbonate, and 0.04 to 0.2 percent alkali or alkalin... | 07/13/2010 |
| 7750072 | Lowered exotherm thermoset compositions The present invention provides compositions such as a polymer grout, a molded plastic part, a void-filling plastic material, a concrete-anchoring material and a polymeric casting made from a thermosetting polymer chosen from vulcanized rubbers, polyoxybenzylmethylen... | 07/06/2010 |
| 7745659 | Process for the production of liquid, storage-stable organic isocyanates with a low colour index having carbodiimide- and/or uretone imine groups The invention relates to a process for the production of liquid, storage-stable isocyanate mixtures with a low color index having carbodiimide-(CD) and/or uretone imine (UI) groups, the isocyanate mixtures that can be obtained by this process and their use for the p... | 06/29/2010 |
| 7718730 | Two-component silylated polyurethane adhesive, sealant, and coating compositions A two-component adhesive, sealant, or coating composition containing (i) a first component containing a portion of an alkoxysilane-functional urethane and water; and (ii) a second component containing the remaining portion of the alkoxysilane-functional urethane and... | 05/18/2010 |
| 7678729 | Process for the preparation of polyether polyols The present invention provides a process for conditioning double metal cyanide (DMC) catalysts, which are employed in the preparation of polyether polyols based on starter compounds having active hydrogen atoms, the preparation of polyether polyols using the conditi... | 03/16/2010 |
| 7674855 | Polycarbonate molding compositions with improved melt flow and chemical resistance A thermoplastic molding composition having improved melt flow and chemical resistance is disclosed. The composition contains A) at least one member selected from the group consisting of aromatic polycarbonate and polyester carbonate, B) a graft polymer of at least o... | 03/09/2010 |
| 7619014 | Rigid polyurethane foams for insulation and process for producing same A rigid polyurethane foam having lose density without an increased k-factor can be produced by adding small amounts of butyl alcohol to a polyurethane composition containing an isocyanate, at least one polyol, a catalyst and a gaseous blowing agent. ... | 11/17/2009 |
| 7601762 | Polyvinylchloride/polyurethane hybrid foams with improved burn properties and reduced after-glow The present invention provides a rigid polyurethane foam comprising the reaction product, at an isocyanate index of from about 90 to about 400, of a polyisocyanate and a polyol component comprising, about 20 wt. % to about 80 wt. %, based on the weight of the polyol... | 10/13/2009 |
| 7601761 | Rigid polyurethane foams with increased heat performance The present invention provides a rigid polyurethane foam made from the reaction product, at an isocyanate index of from about 90 to about 400, of a polyisocyanate, and a polyol component containing about 20 to about 80 wt. %, based on the weight of the polyol compon... | 10/13/2009 |