Celebrity Inventors
Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.
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| Number | Title | Issue Date |
| 8147732 | Highly microporous polymers and methods for producing and using the same The present invention provides microporous polymers and methods for producing and using the same. In particular, microporous polymers of the present invention are highly porous as indicated by a Gurley air permeability flow rate of about 4 seconds or less per mL of ... | 04/03/2012 |
| 8075818 | Method of producing a microporous polyolefin membrane A method for producing a microporous polyolefin membrane formed by fine fibrils, the membrane comprising (A) a polyolefin having a weight-average molecular weight of 5×105 or more or (B) a composition containing Component (A), connected to each other, an... | 12/13/2011 |
| 7968023 | Method for the production of polyurethane block foam The invention relates to a process and a device for the production of polyurethane clock foam, in which the reaction mixture, after flowing through a mixer, flows freely from an outflow opening and then flows through an accumulation chamber, in which a static pressu... | 06/28/2011 |
| 7919025 | Membrane structure and method of making A membrane structure is provided. The membrane structure includes a first layer having a plurality of pores; and a second layer disposed on the first layer. The second layer has a plurality of unconnected pores. At least a portion of the plurality of unconnected por... | 04/05/2011 |
| 7887723 | Site-selectively modified micro-and nanostructures and the methods of their fabrication It is an object of the present invention to provide a method which can easily and selectively modify specific sites on indentations or protrusions of indentation/protrusion structures fabricated by nano-imprinting. Pressing a mold having indentation/protrusion struc... | 02/15/2011 |
| 7828998 | Material having a controlled microstructure, core-shell macrostructure, and method for its fabrication Disclosed is a method for making a material having a controlled microstructure, the method including providing particles of a ceramic mineral material, the particles having a metal oxide dopant therein. The particles of the ceramic mineral material are consolidated ... | 11/09/2010 |
| 7815825 | Microporous polyolefin membrane, and method of producing the same The present invention provides a microporous polyolefin membrane of high permeability and novel structure, and also provides a method of producing the same, wherein its average pore size is gradually decreases from at least one membrane surface towards its center. T... | 10/19/2010 |
| 7790076 | Foam insulating liners and methods for manufacturing the same A foam insulating liner includes a liner frame comprising a first side, a second side and a perimeter disposed about an injected foam insulating core. The method of its manufacture includes the steps of placing a first side of an insulating liner frame in a first ha... | 09/07/2010 |
| 7754118 | Polishing pad containing embedded liquid microelements and method of manufacturing the same A polishing pad is provided. The polishing pad includes a polishing layer composed of a polymeric matrix and liquid microelements embedded in the polymeric matrix. Open pores defined by the embedded liquid microelements are distributed across a surface of the polish... | 07/13/2010 |
| 7718102 | Froth and method of producing froth Foam for making pads and belts with controlled, reproducible microcellular structure and method of making such foam in a fast and efficient manner. Under constant pressure and temperature, a prepolymer is mixed with the nucleation surfactant in a tank in the presenc... | 05/18/2010 |
| 7632439 | Poly(ethylene chlorotrifluoroethylene) membranes Porous polymeric membranes including HALAR® (poly(ethylene chlorotrifluoroethylene)) and related compounds and the methods of production thereof which avoid the use of toxic solvents. Preferred solvents, coating agents and pore forming agents are citric acid ethyl ... | 12/15/2009 |
| 7540984 | Proton-conducting membrane and the use thereof The present invention relates to a novel proton-conducting polymer membrane based on polyazoles which can, because of its excellent chemical and thermal properties, be used in a variety of ways and is particularly useful as polymer electrolyte membrane (PEM) to prod... | 06/02/2009 |
| 7517482 | Method for producing polymeric membranes with high-recovery rate A method for preparing polymeric membranes is disclosed, which has the following steps: (a) forming a casting solution by dissolving cellulose triacetate (CTA) and polyether-sulfone (PES) in a solvent mixture containing n-methyl pyrroridone (NMP) and hydrogen chlori... | 04/14/2009 |
| 7479243 | Microporous polyolefin membrane, and method of producing the same The present invention provides a microporous polyolefin membrane of high permeability and novel structure, and also provides a method of producing the same, wherein its average pore size is gradually decreases from at least one membrane surface towards its center. T... | 01/20/2009 |
| 7429343 | Process for producing polyolefin membrane with integrally asymmetrical structure Process for producing an integrally asymmetrical hydrophobic polyolefinic membrane with a sponge-like, open-pored, microporous support structure and a separation layer with a denser structure, using a thermally induced liquid-liquid phase separation process. A solut... | 09/30/2008 |
| 7422686 | Cellulose hydrate ultrafiltration membranes and method for their production There is disclosed a process for the production of cellulose hydrate ultrafiltration membranes having improved filtration performance and the ultrafiltration membranes produced by the process. ... | 09/09/2008 |
| 7410065 | Membrane for the separation of material mixtures and method for production thereof The invention relates to a membrane for the separation of material mixtures by the principle of vapor permeation or pervaporation, in particular for the dewatering of organic solvents, comprising at least one support layer and at least one material-selective separat... | 08/12/2008 |
| 7407609 | Membranes and their manufacture Membranes comprising an aromatic ether ketone polymer (e.g. polyetherketone) in sheet or hollow fibre form are made by preparing at least a 12 wt % solution of the polymer in a solvent which is chemically inert to the polymer (e.g. concentrated sulphuric acid); form... | 08/05/2008 |
| 7393878 | Method for curing high internal phase emulsions The present invention is directed to a method for reducing monomer loss during curing of a high internal phase emulsion. The method has the steps of: forming a water-in-oil emulsion, curing the monomer component in the emulsion in a saturated steam environment, and ... | 07/01/2008 |
| 7384552 | Proton-conducting membrane and the use thereof The present invention relates to a novel proton-conducting polymer membrane based on polyazoles which can, because of its excellent chemical and thermal properties, be used in a variety of ways and is particularly useful as polymer electrolyte membrane (PEM) to prod... | 06/10/2008 |
| 7368124 | Method of preparation of bioabsorbable porous reinforced tissue implants and implants thereof A biocompatible tissue implant is disclosed. The tissue implant may be bioabsorbable, and is made from a biocompatible polymeric foam. The tissue implant also includes a biocompatible reinforcement member. The polymeric foam and the reinforcement member are soluble ... | 05/06/2008 |
| 7364659 | Preparation of asymmetric polyethylene hollow fiber membrane A porous polyethylene hollow fiber membrane having a pore-size gradient across the inner and outer surfaces thereof is prepared by introducing, during the cooling step of a melt-spun polyethylene hollow fiber, a nitrogen flow and a solvent having a boiling point in ... | 04/29/2008 |
| 7361312 | Nozzle tip for pipetting apparatus In an improvement of a nozzle tip for a pipetting apparatus which is adapted to be removably attached to a nozzle base of the pipetting apparatus, the nozzle tip includes a head portion having an opening adapted to fit onto the nozzle base, a cylindrical portion ext... | 04/22/2008 |
| 7354392 | Structurally optimized hollow fiber membranes An elongated hollow microporous fiber comprises an inner wall surface defining an interior fiber lumen, an outer wall surface, and a microporous fiber wall therebetween, the fiber wall having one or more continuous, cohesive, elongated filaments embedded in the fibe... | 04/08/2008 |
| 7354480 | Stent mandrel fixture and system for reducing coating defects A stent mandrel fixture for supporting a stent during the application of a coating substance is provided. ... | 04/08/2008 |
| 7351338 | Porous membrane of vinylidene fluoride resin and process for producing the same There is provided a porous membrane of vinylidene fluoride resin which has pores of appropriate size and distribution and also excellent mechanical strength represented by tensile strength and elongation at break and is useful as a microfiltration membrane or a sepa... | 04/01/2008 |
| 7344750 | Electrophoretic display device An electrophoretic display device includes a display layer comprised of a binder having a multiplicity of individual cavities therein that contain a display medium, and conductive substrates, at least one of the conductive substrates being transparent, wherein the d... | 03/18/2008 |
| 7338980 | Method and apparatus for mixing a high-viscosity material into a gas A piston pump has a piston and cylinder. A gas is supplied into the cylinder during and/or after a suction stroke of the piston pump, and a high-viscosity material is supplied into the cylinder after the suction stroke. A discharge stroke of the piston pump is effec... | 03/04/2008 |
| 7335265 | Apparatus and method for coating stents An apparatus for coating implantable medical devices, such as stents, is disclosed. A method of coating stents using the apparatus is also disclosed. The apparatus includes a barrier or barriers for isolating an area of the stent on which a composition for coating a... | 02/26/2008 |
| 7335337 | Ergonomic pipette tip and adapters An ergonomically designed pipette tip that can be securely mounted to a barrel of a pipetter yet is designed to substantially reduce the axial force necessary to install and eject the pipette tip from the pipetter. The ergonomic pipette tip includes molded-in expans... | 02/26/2008 |
| 7328733 | Inner tube compositions having improved heat resistance characteristics Halogenated isobutylene-co-alkylstyrene polymer, preferably halogenated isobutylene-co-methylstyrene polymer, even more preferably brominated isobutylene-co-paramethylstyrene polymer (BIMS), blends thereof, and blends with a second rubber, show improved heat resista... | 02/12/2008 |
| 7326747 | Internal wetting agent for use in manufacture of polymeric films and fabrics for disposable absorbent articles An improved internal wetting agent is provided for blending with polymeric material, with the formation of apertured films and/or polymeric fibrous webs contemplated. Films and/or nonwoven fabrics of this nature are suited for use in disposable absorbent articles, p... | 02/05/2008 |
| 7323209 | Apparatus and method for coating stents An apparatus and method is provided for forming coatings on stents. The apparatus includes a temperature adjusting element that can increase or decrease the temperature of the stent. The apparatus can support a stent during the application of a coating composition t... | 01/29/2008 |
| 7311754 | Molecular decomposition processes for the synthesis of nanosize metallic powders A method for synthesizing nanosize metallic powders can include providing a metallic precursor. The metallic precursor can include a metal alloy formed having a fugitive constituent and a target metal. The fugitive constituent and target metal are chosen such that t... | 12/25/2007 |
| 7309458 | Multi-sided immersion formation of composite structures and method Sample preparation device and method for desalting and concentrating samples prior to further analysis such as by MALDI TOF and/or electro-spray ionization (ESI) mass spectrometry. The device in accordance with an embodiment of the present invention contains a three... | 12/18/2007 |
| 7306754 | Membrane and the use thereof The invention relates to a membrane that consists of a polymer or a polymer mixture. The aim of the invention is to produce membranes, especially planar membranes or hollow fiber membranes that have an as high a separation efficiency as possible while simultaneously... | 12/11/2007 |
| 7303609 | Manufacture of polyimide-hollow fibres A process for the manufacture of a polyimide hollow fibre comprising: (i) providing a dope solution comprising one or more polyimides dissolved in a solvent comprising 60-100 wt % N-methylpyrollidone and 0-40 wt % ethanol, (ii) providing a bore fluid, (iii) generati... | 12/04/2007 |
| 7300022 | Modified membranes A porous polymeric membrane formed from a blend of a polymeric membrane forming material, such as polyvinylidene fluoride or polysulfone and a polymeric reactivity modifying agent adapted to modify the surface active properties of the porous polymeric membrane. The ... | 11/27/2007 |
| 7290668 | Bicomponent fiber wick A bicomponent fiber wick is provided for use in processing an analyte fluid. The bicomponent fiber wick comprises a self-sustaining, fluid transmissive body comprising a plurality of bundled, crimped, bicomponent fibers bonded to each other at spaced apart contact p... | 11/06/2007 |
| 7291003 | Micromachined spinneret A micromachined spinneret is disclosed which has one or more orifices through which a fiber-forming material can be extruded to form a fiber. Each orifice is surrounded by a concentric annular orifice which allows the fiber to be temporarily or permanently coated wi... | 11/06/2007 |
