"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 |
| 7741525 | Blending processes and systems Processes and systems are provided for monitoring and blending a first stream and a second stream to produce a third stream of desired compositional characteristics. The processes and systems are found to be particularly useful for the blending of two or more hydroc... | 06/22/2010 |
| 7456328 | Blending processes and systems Processes and systems are provided for monitoring and blending a first stream and a second stream to produce a third stream of desired compositional characteristics. The processes and systems are found to be particularly useful for the blending of two or more hydroc... | 11/25/2008 |
| 7431821 | High purity olefinic naphthas for the production of ethylene and propylene The present invention relates to an olefinic naphtha and a process for producing lower olefinc from this naphtha. In the process of the present invention for producing lower olefins, preferably ethylene, at least a portion of a hydrocarbon asset is converted to synt... | 10/07/2008 |
| 7211765 | Shielding gas and arc-welding method The invention relates to a shielding gas for use in the arc welding of metallic work pieces. The invention further relates to a process for the arc welding of metallic work pieces using consumable electrodes, whereby a shielding gas stream is supplied to the work pi... | 05/01/2007 |
| 7137260 | Method and substance for refrigerated natural gas transport This invention relates to the storage under pressure in a container and subsequent transport of the filled pressurized container of particular natural gas or natural gas-like mixtures that contain methane or natural gas plus an additive, and which mixtures have been... | 11/21/2006 |
| 7033484 | Thermally stable blends of highly paraffinic distillate fuel component with conventional distillate fuel component A stable distillate fuel blend useful as a fuel or as a blending component of a fuel that is suitable for use in an internal combustion engine, said fuel blend prepared from at least one highly paraffinic distillate fuel component and at least one highly aromatic pe... | 04/25/2006 |
| 7025872 | Process for obtaining a feedstock that can be used in an etherification unit Process for obtaining a hydrocarbon fraction that can be used as a feedstock of an etherification unit and that contains a small amount of diene compounds, nitrogen-containing compounds and sulfur-containing compounds, starting from an initial hydrocarbon feedstock ... | 04/11/2006 |
| 6953870 | Self-propelled liquid fuel A composition and use of economical, high efficient burning and environmentally friendly self-propelled liquid fuel for domestic, commercial and industrial application is provided. The fuel could be self-contained for application in small and isolated locations. The... | 10/11/2005 |
| 6846402 | Thermally stable jet prepared from highly paraffinic distillate fuel component and conventional distillate fuel component A stable distillate fuel blend useful as a fuel or as a blending component of a fuel that is suitable for use in turbine engine, said fuel blend prepared from at least one highly paraffinic distillate fuel component having low to moderate branching and at least one ... | 01/25/2005 |
| 6776897 | Thermally stable blends of highly paraffinic distillate fuel component and conventional distillate fuel component A stable distillate fuel blend useful as a fuel or as a blending component of a fuel that is suitable for use in an internal combustion engine, said fuel blend prepared from at least one highly paraffinic distillate fuel component and at least one highly aromatic pe... | 08/17/2004 |
| 6495731 | Method and apparatus for regulating a stream of gaseous fuel A method of regulating the calorific power of a stream of gaseous fuel of the fossil-gas type, comprising a predominant fuel gas, denoted "A" and flowing in a pipe. This regulation is performed, at least partly, by controlled addition of at least one fuel... | 12/17/2002 |
| 6193874 | High combustion efficiency fuel gas A high combustion efficiency fuel gas obtained from a saturated gas produced by pumping petroleum gas to a light oil composed of butane, pentane, hexane, and octane.... | 02/27/2001 |
| 6187067 | Additivated gas for oxy-cutting and/or heating applications Additivated gas for oxy-cutting and/or heating applications, having a low cost of production and high cutting and heating velocities wherein the additivated gas is obtained by the additivation of propylene with a chemical product having the basic constitu... | 02/13/2001 |
| 6111154 | High energy density storage of methane in light hydrocarbon solutions Method for storing methane in light hydrocarbons at moderate temperatures and pressures such that the resulting solution has a high energy density. The method includes combining methane at a 50 to 80 mole percent concentration with a light hydrocarbon, su... | 08/29/2000 |
| 5948945 | Prevention of spontaneous decomposition of gaseous acetylene A process for vinylation of an organic acidic-hydrogen compound, which entails reacting an organic acidic-hydrogen compound with acetylene or an acetylene-containing gas under elevated pressure and at elevated temperature in the presence of a base, wherei... | 09/07/1999 |
| 5900515 | High energy density storage of methane in light hydrocarbon solutions Method for storing methane in light hydrocarbons at moderate temperatures and pressures such that the resulting solution has a high energy density. The method includes combining methane at a 50 to 80 mole percent concentration with a light hydrocarbon, su... | 05/04/1999 |
| 5766514 | Method of storing acetylene A method of storing and transporting acetylene comprises mixing acetylene gas and carbon dioxide gas and then reducing the temperature of the gas mixture thus obtained to obtain either a liquid-vapour or solid-vapour mixture and storing the liquid-vapour ... | 06/16/1998 |
| 5667728 | Blowing agent, expandable composition, and process for extruded thermoplastic foams An expandable thermoplastic composition is disclosed for extrusion foaming wherein the composition comprises a polyethylene resin and a blowing agent comprising ethane present in an amount of at least about 40 percent or more by weight based upon the tota... | 09/16/1997 |
| 5414168 | Absorption and cold separation process for recovering purified hydrogen from a catalytic dehydrogenation zone effluent Purified hydrogen is recovered from the effluent of a catalytic dehydrogenation zone using an integrated cold absorption process. The effluent, which contains olefinic hydrocarbons and hydrogen is compressed, cooled and contacted with a liquid absorbent. ... | 05/09/1995 |
| 5386055 | Depolymerization process A process for depolymerizing polymers by selective, partial oxidation at supercritical or near supercritical conditions for water and wherein supercritical water or water near supercritical conditions is used as a solvent and reforming agent, is used to p... | 01/31/1995 |
| 5049257 | Fluid for electrical discharge machining In a fluid for electrical discharge machining, a low viscosity mineral or synthetic oil is used as the base oil, to which is added ultrahigh-viscosity oil, the low viscosity oil raising the efficiency of chip removal from the workpiece-to-electrode gap ad... | 09/17/1991 |
| 4490152 | Ternary fuel having fairly constant acetylene content in the liquid and vapor phase A fuel mixture, which contains by volume 15 to 25% acetylene, 5 to 17% C3 hydrocarbon, preferably propylene, and the remainder ethylene. This ternary fuel having a fairly constant acetylene content, is suitable in applications pertaining to ass... | 12/25/1984 |
| 4426207 | Stable ternary cryogenic fuel having density in the gaseous state less than that of air A stable cryogenic fuel mixture containing 25 to 30% by volume of acetylene, 61 to 72% by volume of ethylene and 3 to 9% by volume of a C3 hydrocarbon preferably propylene. This fuel mixture having a density in the gaseous state, which is less ... | 01/17/1984 |
| 4351980 | Removal of olefin from aliphatic hydrocarbon by treatment with active solid Hydrocarbon, suitable for use as propellant, is contacted with a solid effective to remove odor-forming impurity therefrom. Hydrocarbons include isobutene-containing stream also containing minor proportions of unsaturated hydrocarbon, e.g. ethylene, propy... | 09/28/1982 |
| 4256654 | Conversion of hydrogen and carbon monoxide into C1 -C4 range hydrocarbons A process for conversion of hydrogen and carbon monoxide into hydrocarbons in the presence of an ebullient bed of catalyst comprising reduced iron oxide containing an amount of potassium equivalent to 2 to 10 pounds potassium carbonate per 1000 pounds iro... | 03/17/1981 |
| 4161495 | Method for stabilizing acetylene A method for stabilizing acetylene against explosive decomposition comprising mixing together with the acetylene a chemical free radical scavenging agent chosen from the group consisting of nitric oxide, hydrogen chloride, hydrogen bromine, hydrogen iodid... | 07/17/1979 |
| 3981692 | Combustible mixture for torches and burners A combustible mixture for torches and burners is formed essentially of at least 15% of a member of the group consisting of methylacetylene and/or propadiene diluted with up to 85% of a diluent which itself is formed of a mixture of at least one C3 | 09/21/1976 |
| 3956415 | Plural stage distillation with intermediate indirect heat exchange, of feed streams comprising ethylene and methane Substantially pure methane and ethylene are supplied economically from a transportable liquefied methane-ethylene-ethane mixture by a two-stage distillation at superatmospheric pressure wherein the refrigeration for the first stage reflux may be supplied ... | 05/11/1976 |