...During the Civil War, the Confederacy established its own Patent Office which issued 266 patents, a third of which concerned implements of war.
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| Number | Title | Issue Date |
| 8012343 | Heavy feed HPC process using a mixture of catalysts The present invention pertains to a process for the hydroprocessing of heavy hydrocarbon feeds, preferably in an ebullating bed process, by contacting the feed with a mixture of two hydroprocessing catalysts meeting specified pore size distribution requirements. The... | 09/06/2011 |
| 7332071 | Process for improving aromatic and naphtheno-aromatic gas oil fractions Process for transforming a gas oil fraction that makes it possible to produce a fuel that has a quality according to stringent requirements in terms of sulfur content, aromatic compound content, cetane number, boiling point, T95, of 95% of the compounds and density,... | 02/19/2008 |
| 7332072 | Process to prepare a waxy raffinate A process to prepare a waxy raffinate product by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch derived feed, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-Tr... | 02/19/2008 |
| 7304195 | Process for increasing production of benzene from hydrocarbon mixture A process for increasing the production of benzene from a hydrocarbon mixture. A process for producing an aromatic hydrocarbon mixture and liquefied petroleum gas (LPG) from a hydrocarbon mixture, and a solvent extraction process for separating and recovering polar ... | 12/04/2007 |
| 7301063 | Process for increasing production of light olefin hydrocarbon from hydrocarbon feedstock A process for increasing the production of light olefin hydrocarbons from a hydrocarbon feedstock. A process for producing an aromatic hydrocarbon mixture and liquefied petroleum gas (LPG) from a hydrocarbon mixture, and a process for producing a hydrocarbon feedsto... | 11/27/2007 |
| 7288498 | Transition metal oxide-aluminosilicate purification media The invention, in its various embodiments, relates to a medium for purifying fluids, particularly consumable fluids like air and water, by removing organic materials from the fluids by contacting the fluids with a combination of extremely small diameter transition m... | 10/30/2007 |
| 7285206 | Process to prepare a lubricating base oil and a gas oil A process to prepare a lubricating base oil and a gas oil by (a) hydrocracking/hydroisomerizing a Fischer-Tropsch product, wherein weight ratio of compounds having at least 60 or more carbon atoms and compounds having at least 30 carbon atoms in the Fischer-T... | 10/23/2007 |
| 7282139 | Optimization of gas-to-liquids hydrocracker A method for optimal production of synthetic diesel and naphtha from a hydrocracker includes hydrocracking a synthetic heavy hydrocarbon feed comprising an α value so as to form a diesel and a naphtha; selecting a desired diesel-to-naphtha ratio; calculating, based... | 10/16/2007 |
| 7261806 | Process to prepare a base oil from slack-wax A process to prepare a base oil starting from a slack wax containing feedstock by (a) contacting the feedstock in the presence of hydrogen with a sulphided hydrodesulphurisation catalyst having nickel and tungsten on an acid amorphous silica-alumina carrier and (b) ... | 08/28/2007 |
| 7160839 | Catalyst for purifying nitrogen oxides A catalyst for purifying NOx is provided which efficiently decomposes and purify the NOx in an exhaust gas in an oxygen-excess atmosphere, excels in resistance to heat and in durability in a high temperature range under a high-temperature oxidizing atmosphere and in... | 01/09/2007 |
| 7157401 | Catalyst for the treatment of organic compounds A catalyst for the hydroprocessing of organic compounds, composed of an interstitial metal hydride having a reaction surface at which monatomic hydrogen is available. The activity of the catalyst is maximized by avoiding surface oxide formation. Transition metals an... | 01/02/2007 |
| 7147947 | Selective carbon monoxide oxidation catalyst, method of making the same and systems using the same A CO-selective catalyst comprises a catalytic material, wherein the catalytic material is selected from the group consisting of Pt, Pd, Rh, Ir, Os, Ru, Ta, Zr, Y, Ce, Ni, Cu, and oxides, alloys, compounds, and combinations comprising at least one of the foregoing; a... | 12/12/2006 |
| 7125817 | Combined cracking and selective hydrogen combustion for catalytic cracking A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one metal-based component comprised of one or more elements from Group 3 a... | 10/24/2006 |
| 7122493 | Combined cracking and selective hydrogen combustion for catalytic cracking A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises: (1) at least one solid acid component, (2) at least one metal-based compo... | 10/17/2006 |
| 7122492 | Combined cracking and selective hydrogen combustion for catalytic cracking A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one metal-based component comprised of one or more elements from Groups 1 ... | 10/17/2006 |
| 7041866 | Solid-acid isomerization catalyst and process A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component co... | 05/09/2006 |
| 6977322 | Isomerization catalyst and processes A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a tungstated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component ... | 12/20/2005 |
| 6736959 | Process for improving the pour point of feeds containing paraffins using a catalyst based on a bridged dioctahedral 2:1 phyllosilicate The invention concerns a process for improving the pour point of a feed comprising paraffins containing more than 10 carbon atoms, in which the feed to be treated is brought into contact with a catalyst. The catalyst comprises at least one dioctahedral 2:1 phyllosil... | 05/18/2004 |
| 6733657 | Hydrocracking catalyst having a unique silica-alumina substrate A hydrocarbon conversion catalyst contains at least one silica-alumina having the following characteristics: A content by weight of silica SiO2 of between 10 and 60% by weight; an Na content less than 300 ppm by weight; a total pore volume of between 0.5 ... | 05/11/2004 |
| 6682650 | Zeolite catalyst carrier and hydrogenation catalyst using same A catalyst support including a zeolite having an Al/Si atomic ratio of 0.01-0.1 and mesopores having a pore diameter in the range of 5-30 nm, and ultrafine particles composited to inside walls of the mesopores. The superfine particles are those of an oxid... | 01/27/2004 |
| 6635792 | Process for producing aromatic hydrocarbon compounds and liquefied petroleum gas from hydrocarbon feedstock Disclosed are a process for producing aromatic hydrocarbon compounds and liquefied petroleum gas (LPG) from a hydrocarbon feedstock having boiling points of 30-250° C. and a catalyst useful therefor. In the presence of said catalyst, aromatic components ... | 10/21/2003 |
| 6576120 | Catalytic dewaxing process The invention relates to a process for the catalytic dewaxing of a hydrocarbon feed containing waxy molecules by contacting the hydrocarbon feed under catalytic dewaxing conditions with a catalyst composition having metallosilicate crystallites, a binder ... | 06/10/2003 |
| 6537442 | Cogel containing oxidic compounds of tetravalent, trivalent, and divalent metallic elements The invention pertains to a cogel comprising oxidic compounds of one or more trivalent metallic elements selected from the group of aluminum, borium, gallium, chromium, iron, cobalt, manganese, vanadium, molybdenum, tungsten, indium, rhodium, scandium, or... | 03/25/2003 |
| 6251261 | Catalyst that comprises a clay and an element of group VB, and its use in hydrocraking of petroleum feedstocks that contain hydrocarbon The invention relates to a hydrocracking catalyst that comprises at least one oxide-type amorphous or poorly crystallized matrix, at least one element of group VB, preferably niobium, and at least one clay that is selected from the group that is formed by... | 06/26/2001 |
| 6171475 | Process for controlled degradation of hydrocarbon polymers A method for converting a polymer or oligomer derived from an ethylenically unsaturated monomer into alkanes or into a hydrocarbon fraction or a lower oligomer fraction by controlled hydrocracking, wherein the polymer or oligomer is exposed to a catalyst ... | 01/09/2001 |
| 6139719 | Long-reticulate-distance pillared dioctahedral phyllosilicate 2:1, catalyst and conversion process The invention relates to dioctahedral phyllosilicates 2:1 whose basal spacing is at least equal to 2.0×10-9 m and which in the interlayer space comprise pillars based on at least one of the compounds that is selected from the group that is for... | 10/31/2000 |
| 6132594 | Hydrocracking catalyst and hydrocracking method for hydrocarbon oils A hydrocracking catalyst for hydrocarbon oil, comprising a complex oxide with at least 2 different elements selected from Group 3b, Group 4a, Group 4b and Group 5b of the Periodic Table, zeolite having a solid Al-NMR spectrum wherein the ratio A/B of the ... | 10/17/2000 |
| 5989410 | Process for improving the pour point of paraffin feedstocks with a catalyst containing an IM-5 zeolite base The invention relates to a process for improving the pour point of a feedstock that comprises paraffins of more than 10 carbon atoms, in which the feedstock that is to be treated is brought into contact with a catalyst that comprises the IM-5 zeolite and ... | 11/23/1999 |
| 5958221 | Process for hydroconversion of waxy feeds using ZR-pillared clays Stable, zirconia-pillared clays of reduced gallery height, useful as supports for hydroconversion catalysts, are prepared by treating clays with a zirconium compound, a surfactant and water, and compositing the reduced gallery height clay with suitable me... | 09/28/1999 |
| 5951847 | Catalytic dehazing of lubricating base oils A process for catalytically dehazing lubricating base oils is disclosed, which comprises contacting the lubricating base oil in the presence of hydrogen with a catalyst comprising naturally occurring and/or synthetic ferrierite which ferrierite has been m... | 09/14/1999 |
| 5804058 | Catalytic dewaxing processes using alumina free coated catalyst A process is disclosed for the catalytic dewaxing of a hydrocarbon oil feed comprising waxy molecules, which process comprises: contacting a feed under catalytic dewaxing conditions with a catalyst composition comprising a molecular sieve containing crystallit... | 09/08/1998 |
| 5762902 | Catalyst comprising a faujasite type zeolite and a ton type zeolite and a process for the hydroconversion of hydrocarbon petroleum feeds The invention concerns a composition comprising at least one matrix, at least one faujasite type zeolite and at least one TON type zeolite. The TON type zeolite can be Nu-10, THETA-1, KZ-2, or ISI-1. The catalyst also contains at least one hydrogenating e... | 06/09/1998 |
| 5733439 | Hydrocarbon conversion processes using substituted fluoride smectite clays Hydrocarbon conversion processes, e.g., alkylation, are disclosed and claimed which use as the catalyst novel fluoride containing substituted smectite clays. The clay has the formula Ax (My M'4-y)(Si8-x Mt... | 03/31/1998 |
| 5693215 | Low-Aluminum boron beta zeolite A crystalline low-aluminum boron beta zeolite is used for dewaxing hydrocarbonaceous feeds.... | 12/02/1997 |
| 5672264 | Methods of using stable supergallery pillared clay compositions A class of highly stable supergallery pillared clay compositions that have a basal spacing up to 55 Å corresponding a gallery height of 35 Å for samples dried at room temperature and a basal spacing up to 45 Å corresponding a gallery height of 255 Å f... | 09/30/1997 |
| 5603821 | Low-aluminum boron beta zeolite A crystalline low-aluminum boron beta zeolite is prepared using a diquaternary ion as a template.... | 02/18/1997 |
| 5554274 | Manufacture of improved catalyst This invention relates the use of a catalyst composition having the structure of ZSM-5 and a matrix material, which has been manufactured by a new and useful method, for organic compound, e.g., hydrocarbon compound, conversion. The organic compound conver... | 09/10/1996 |
| 5449450 | Hydrocarbon conversion process using a crystalline microporous metallo-zinc phosphate composition Hydrocarbon conversion processes are described which use novel microporous compositions. These compositions have a three-dimensional microporous framework structure of ZnO2, PO2 and M'O2 tetrahedral units, and an intracrys... | 09/12/1995 |
| 5409597 | Hydrocarbon conversion process using a pillared clay containing fluorided pillars Hydrocarbon conversion processes are disclosed which are catalyzed by novel pillared clay compositions. The clay contains pillars which are at least partially fluorided. These pillars are metal fluoro hydroxy cations where the metal can be Al, Zr, Si/Al, ... | 04/25/1995 |
| 5393411 | Hydrocarbon conversion process using a fluorided beidellite clay Hydrocarbon conversion processes such as alkylation and hydrocracking are described which use as the catalyst a novel beidellite clay. The clay has the empirical formula Ax (Al4)(Si8-x Alx)(O20)(OH)4-... | 02/28/1995 |