"The abolishment of pain in surgery is a chimera. It is absurd to go on seeking it...knife and pain are two words in surgery that must forever be associated in the consciousness of the patient."
Dr. Alfred Velpeau, French surgeon ; 1839
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| Number | Title | Issue Date |
| 7373260 | Sensor infrastructure A device for use in detecting an event in a structure includes a sensor encapsulation, the encapsulation containing a sensor, an actuator positioned substantially in-plane to the sensor within the housing and a printed circuit board in communication with at least on... | 05/13/2008 |
| 7238630 | Cushion having plural zones with discrete compressibility characteristics A seat cushion or other resilient structure includes a foam inner core combined with layers of varying density fiber batts to impart desirable comfort characteristics, support features and durability thereto. In one embodiment, the foam core is positioned between in... | 07/03/2007 |
| 7229944 | Fiber structures including catalysts and methods associated with the same Fiber structures that include a catalytic material are provided. The fiber structures (e.g., membranes) may be formed of interconnected carbon fibers. The catalytic material may be in the form of nanosize particles supported on the fibers. In one method of the inven... | 06/12/2007 |
| 7198771 | Polymeric and carbon compositions with metal nanoparticles The invention comprises a chemical composition with the structure shown below. The composition can be polymerized or pyrolyzed, forming transition metal nanoparticles homogeneously dispersed in a thermoset or carbon composition. The size of the nanoparticles can be ... | 04/03/2007 |
| 7160531 | Process for the continuous production of aligned carbon nanotubes Novel methods and apparati for continuous production of aligned carbon nanotubes are disclosed. In one aspect, the method comprises dispersion of a metal catalyst in a liquid hydrocarbon to form a feed solution, and volatilizing the feed solution in a reactor throug... | 01/09/2007 |
| 7150840 | Graphite fine carbon fiber, and production method and use thereof A graphitized fine carbon fiber comprising a hollow space extending along its center axis, and a plurality of graphene sheets, wherein the fiber has an end surface comprising a portion of discontinuity in which ends of graphene sheets are not bonded to one another a... | 12/19/2006 |
| 7122132 | Branched vapor-grown carbon fiber, electrically conductive transparent composition and use thereof A branched vapor-grown carbon fiber having an outer diameter of 0.5 μm or less and an aspect ratio of at least 10, the carbon fiber having a compressed specific resistance of 0.02 Ω·cm or less, each fiber filament having a hollow cylindrical structure, preferably... | 10/17/2006 |
| 6936565 | Modified carbide and oxycarbide containing catalysts and methods of making and using thereof Compositions including modified carbide-containing nanorods and/or modified oxycarbide-containing nanorods and/or modified carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous structures including modified oxyca... | 08/30/2005 |
| 6890504 | Polymeric and carbon compositions with metal nanoparticles The invention comprises a chemical composition with the structure shown below. The composition can be polymerized or pyrolyzed, forming transition metal nanoparticles homogeneously dispersed in a thermoset or carbon composition. The size of the nanoparticles can be ... | 05/10/2005 |
| 6884861 | Metal nanoparticle thermoset and carbon compositions from mixtures of metallocene-aromatic-acetylene compounds The present invention provides for a composition comprising: a composition formed by heating to a temperature of from about 300° C. and above a mixture of: an organometallic composition and an aromatic-acetylene c... | 04/26/2005 |
| 6841509 | Carbon nanocapsule supported catalysts A carbon nanocapsule supported catalysts. At least one kind of catalytic metal particle is deposited to a carbon nanocapsule, wherein the carbon nanocapsule has the following formula: F(−M)n, in which F is the carbon nanocapsule, M is the catalytic metal particle,... | 01/11/2005 |
| 6759004 | Process for forming microporous metal parts A metal injection-molding feedstock is heated and plasticized. Supercritical carbon dioxide is injected into the feedstock to form micropores when the pressure is reduced and a parts mold is filled. The micropores are retained when the green parts are debindered and... | 07/06/2004 |
| 6733737 | Rapid oxidation/stabilization technique for carbon foams, carbon fibers and C/C composites An enhanced method for the post processing, i.e. oxidation or stabilization, of carbon materials including, but not limited to, carbon foams, carbon fibers, dense carbon-carbon composites, carbon/ceramic and carbon/metal composites, which method requires relatively ... | 05/11/2004 |
| 6696384 | Method of making shaped activated carbon A new shaped activated carbon and the method of its manufacture are disclosed. The invention resides in the crosslinking of a polymeric cellulose, such as sodium carboxymethylcellulose (CMC), within the carbon bodies after they are shaped, employing the C... | 02/24/2004 |
| 6624108 | Vitrified carbon compositions Reticulated vitrified carbon compositions which contain particles of Cu, Sn, Zn, Pb, Ni, Fe, or alloys or mixtures thereof dispersed therein and reticulated vitreous carbon compositions wherein some or all of said metal or alloy particles have been conver... | 09/23/2003 |
| 6599856 | Formed activated carbon and process for producing the same A formed activated carbon has a Kiya crushing strength of 1 kg or more and a specific heat of 0.4 J/K.multidot.cc or more at 25° C.... | 07/29/2003 |
| 6589904 | Activated carbon and method for producing it The present invention provides an activated carbon produced by a process, which includes: activating a carbonaceous material, to obtain an activated carbonaceous material; and contacting the activated carbonaceous material with an acid. Another embodiment of t... | 07/08/2003 |
| 6573212 | Method of making shaped activated carbon A new shaped activated carbon and the method of its manufacture are disclosed. The invention resides in the crosslinking of a polymeric cellulose, such as sodium carboxymethylcellulose (CMC), within the carbon bodies after they are shaped, employing the C... | 06/03/2003 |
| 6514897 | Carbide and oxycarbide based compositions, rigid porous structures including the same, methods of making and using the same The present invention relates to compositions and rigid porous structures that contain nanorods having carbides and/or oxycarbides and methods of making and using such compositions and such rigid porous structures. The compositions and rigid porous struct... | 02/04/2003 |
| 6129901 | Controlled synthesis and metal-filling of aligned carbon nanotubes The present invention provides a powerful new method for producing, uniform sized and uniformly aligned nanotubes through catalytic pyrolysis of a hydrocarbon within the dense, uniform and parallel pores of alumina nano-templates. The catalyst, Co, Fe, Ni... | 10/10/2000 |
| 6099990 | Carbon electrode material for electrochemical cells and method of making same A method (50) of fabricating a microscopically dense amorphous carbon material for use as an electrode (20) in an electrochemical cell (10) includes the steps of mixing a lignin material with a matrix-enhancing salt, and subsequently heating (72) the mixt... | 08/08/2000 |
| 5985232 | Production of fullerenic nanostructures in flames A method for the production of fullerenic nanostructures is described in which unsaturated hydrocarbon fuel and oxygen are combusted in a burner chamber at a sub-atmospheric pressure, thereby establishing a flame. The condensibles of the flame are collect... | 11/16/1999 |
| 5965479 | Activated carbon and process for producing the same The present invention relates to an activated carbon comprising an activated carbon particle and titanium dioxide fine particles present at least on the surface thereof, which activated carbon contains substantially no carbon precursor on the surface ther... | 10/12/1999 |
| 5932186 | Organometallic containing mesophase pitches for spinning into pitch carbon fibers An improved process is disclosed for producing a unique metals-containing anisotropic pitch suitable for carbon fiber manufacture. Soluble, aromatic-organometallic compounds are added to a carbonaceous feedstock which is substantially free of mesophase pi... | 08/03/1999 |
| 5863601 | Process of producing graphite fiber A process of producing graphite fiber which includes the generation of the fiber by chemical vapor deposition using an organo metal compound which includes a metal catalyst and the use of a less reactive substance as a substrate to adhere carbon or metal ... | 01/26/1999 |
| 5618875 | High performance carbon filament structures Disclosed are novel high performance composite structures comprised of carbon filaments in a matrix selected from the group consisting of polymeric materials, carbon, ceramic materials, and metals. The carbon filaments have a relatively high surface area,... | 04/08/1997 |
| 5580658 | Copper-carbon composite material with graded function and method for manufacturing the same A function ally gradient composite material containing copper and carbon as main components and having a predetermined shape, in which the composition ratio of the copper to the carbon in the material continuously varies in at least one predetermined dire... | 12/03/1996 |
| 5462800 | Silicon carbide coated carbon composite material and method for making same A silicon carbide coated carbon matrix/carbon fiber composite material is provided. The carbon composite base material, coated with silicon carbide, comprises a siliconized layer and a non-siliconized layer. The siliconized layer comprises silicon carbide... | 10/31/1995 |
| 5413866 | High performance carbon filament structures High performance carbon filaments are provided which are characterized as having; (i) a surface area from about 50 m2 /g to 800 m2 /g, (ii) an electrical resistivity from about 0.3 μohm.m to 0.8 μohm.m, (iii) a crystallinity from a... | 05/09/1995 |
| 5316858 | Materials for thermoelectric and light-heat conversion The disclosure is directed to a method for converting between heat energy and electric energy which is characterized in that a carbon intercalation compound is employed as a thermoelectric material by utilizing a temperature difference in a direction perp... | 05/31/1994 |
| 5215689 | Method for production of high-performance C/C composites A C/C composite including a carbon matrix and carbon fibers and exhibiting a crystal structure of the carbon matrix differing between (a) the portion at and in the vicinity of the interface between the carbon fibers and the carbon matrix and (b) the other... | 06/01/1993 |
| 5202302 | Preparation of activated carbons by impregnation with a boron compound and a phosphorus compound A process is provided for preparing fibrous or film type activated carbon including the steps of carbonizing a cellulosic material and activating the resulting carbon, each stop occurring at a temperature between 200° C. and 1100° C. in an oxidation-sup... | 04/13/1993 |
| 5023230 | Oxide superconductors encased in pan-derived carbon matrix Disclosed is a method of preparing a superconductor wherein a precursor oxide mixture is dispersed in an appropriate polymer matrix and shaped into a predetermined form following which the matrix and oxide precursor are respectively carbonized and sintere... | 06/11/1991 |
| 5021107 | Process for joining or coating carbon-carbon composite components A process for joining or coating carbon-carbon composite components. For joining such components, surfaces of two components are prepared so that they match. An interlayer comprised of a material having a melting point in excess of 2500° F. is sandwiched... | 06/04/1991 |
| 4970123 | Isotropically reinforced net-shape microcomposites A novel isotropically reinforced microcomposite is described. An entirely fluid-phase method has been devised for producing the net-shape filamentary structures. The process depends for its success on the ability to generate in situ, within a shaped mold,... | 11/13/1990 |
| 4948574 | Method of manufacturing of pitch-base carbon fiber A method of manufacture of pitch-based carbon fiber by infusibilization of pitch fiber followed by carbonization, comprising doping the pitch fiber with at least 0.05 percent by weight of iodine, heating under an oxidizing atmosphere for infusibilization,... | 08/14/1990 |
| 4863708 | Process for producing carbon fibers and the carbon fibers produced by the process Disclosed herein is a process for producing pitch-based carbon fibers having the specific properties comparable to those of polyacrylonitrile(PAN)-based carbon fibers, wherein an optically isotropic pitch obtained by polymerizing naphthalene at a temperat... | 09/05/1989 |
| 4840762 | Process for preparation of high-performance grade carbon fibers A process for the preparation of high-performance grade carbon fibers, which comprises attaching a fine powder of at least one member selected from oxides and carbides of silicon, aluminum, titanium, and boron to a precursor fiber bundle of as spun pitch ... | 06/20/1989 |
| 4816289 | Process for production of a carbon filament A carbon filament comprising carbon layers and having a carbon structure in which the carbon layers are arranged substantially in the form of growth rings as viewed in cross-section, said carbon structure having an I1580 /I1360 ratio... | 03/28/1989 |
| 4770867 | Process for the production of carbon fibres which are vapor-deposited from methane The invention concerns a process for the production of vapor-deposited carbon fibres wherein a gaseous or vaporized hydrocarbon which is entrained by a carrier gas is pyrolyzed on a substrate in a flow reactor at a temperature of between 950° and 1300° ... | 09/13/1988 |