Quotables
"Man will not fly for 50 years."
Wilbur Wright ; 1901
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 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 |
| 7241375 | Heavy hydrocarbon composition with utility as a heavy lubricant base stock A heavy hydrocarbon composition with utility as a heavy hydrocarbon base stock comprising at least 95 wt % paraffin molecules, of which at least 90 wt % are isoparaffin, containing hydrocarbon molecules having consecutive numbers of carbon atoms, is a liquid at 100Â... | 07/10/2007 |
| 7238214 | Fuel composition This invention relates to a diesel fuel composition having enhanced lubricity, said composition comprising a major amount of a diesel fuel as base fuel blended with a minor amount of a nitrogen rich fraction characterised in that the nitrogen rich fraction is derive... | 07/03/2007 |
| 7201838 | Oxygenate treatment of dewaxing catalyst for greater yield of dewaxed product Fischer-Tropsch hydrocarbon synthesis using a cobalt catalyst is used to produce waxy fuel and lubricant oil hydrocarbons from synthesis gas derived from natural gas. The waxy hydrocarbons are hydrodewaxed, with reduced conversion to lower boiling hydrocarbons, by c... | 04/10/2007 |
| 7132042 | Production of fuels and lube oils from fischer-tropsch wax Dewaxed fuel and lubricant base stocks are made by (a) producing a synthesis gas from natural gas, (b) reacting the H2 and CO in the gas in the presence of a cobalt Fischer-Tropsch catalyst, at reaction conditions effective to synthesize a waxy hydrocarbo... | 11/07/2006 |
| 7074320 | Preparing a high viscosity index, low branch index dewaxed oil An integrated process for preparing a lubricating oil base stock includes an isomerization step followed by a solvent dewaxing step. A waxy feed is isomerized to an intermediate pore point, which is at least 6° C. above a target pour point, over a select molecular ... | 07/11/2006 |
| 7018525 | Processes for producing lubricant base oils with optimized branching This invention relates to processes of producing lubricant base oils comprising paraffinic hydrocarbon components that have optimized branching. The lubricant base oils comprising paraffinic hydrocarbon components with optimized branching have low amounts of branchi... | 03/28/2006 |
| 6974535 | Hydroconversion process for making lubricating oil basestockes A process for producing a lubricating oil basestock having at least 90 wt. % saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone in a two step hydroconversion zone followed by a hydrofinishing zone, and a lubr... | 12/13/2005 |
| 6962651 | Method for producing a plurality of lubricant base oils from paraffinic feedstock A method for producing lubricant base oils is provided comprising the steps of: (a) hydroisomerizing a feedstock over a medium pore size molecular sieve catalyst under hydroisomerization conditions to produce an isomerized product having a pour point of greater than... | 11/08/2005 |
| 6940092 | Electrically conducting organic compound and electronic device An electrically conducting organic compound comprising a condensed polycyclic aromatic compound containing from 8 to 14 condensed rings and being solubilized in a solvent by the introduction of a functional group into any condensed ring of the compound. The electric... | 09/06/2005 |
| 6663768 | Preparing a HGH viscosity index, low branch index dewaxed An integrated process for preparing a lubricating oil base stock includes an isomerization step followed by a solvent dewaxing step. A waxy feed is isomerized to an intermediate pore point, which is at least 6° C. above a target pour point, over a select... | 12/16/2003 |
| 6524469 | Heavy oil upgrading process An improved heavy oil conversion process is disclosed in which the heavy oil feed is first thermally cracked using visbreaking or hydrovisbreaking technology to produce a product that is lower in molecular weight and boiling point than the feed. The produ... | 02/25/2003 |
| 6416655 | Selective extraction using mixed solvent system A method for concentrating the amount of alkylated mono-aromatics in a lubricating oil feedstock useful as a feedstock for sulfonation. The method comprises extracting a feedstock rich in aromatics with a solvent selected from NMP, phenol and furfural, sa... | 07/09/2002 |
| 6383366 | Wax hydroisomerization process Waxy feeds are treated under hydroisomerization conditions to produce good yields of an isomerate product of high VI by using a silica-alumina based catalyst in which the silica-alumina has a pore volume less of 0.99 ml/gm (H2 O), an alumina co... | 05/07/2002 |
| 6315891 | Production of lubricant base oils A process for producing a waxy product comprises hydrotreating a feedstock comprising a Fischer-Tropsch wax and a petroleum-based waxy distillate, to produce a range of hydrogenated products, and recovering a waxy product from the range of hydrogenated pr... | 11/13/2001 |
| 6287454 | Catalytic dewaxing process for producing lubricating oils Lubricant oils of low pour point and improved oxidation stability are produced by catalytically dewaxing a lube feedstock over a zeolite dewaxing catalyst such as ZSM-5 in the hydrogen or decationized form. The use of these catalysts enables products of e... | 09/11/2001 |
| 6274032 | Method of and means for upgrading hydrocarbons containing metals and asphaltenes A hydrocarbon source feed is upgraded using a solvent deasphalting (SDA) unit employing a solvent having a critical temperature Tc by initially separating from a first hydrocarbon input stream fractions with an atmospheric equivalent boiling te... | 08/14/2001 |
| 6231749 | Production of high viscosity index lubricants Petroleum wax feeds are converted to high viscosity index lubricants by a two-step hydrocracking-hydroisomerization process in which the wax feed which exhibits branchingis initially subjected to hydrocracking under mild conditions with a conversion to no... | 05/15/2001 |
| 6190532 | Production of high viscosity index lubricants Petroleum waxes are converted to high viscosity index lubricants by a hydroisomerization process in which the wax feed is subjected to hydroisomerization over a low acidity molecular sieve isomerization catalyst (the molecular sieve being preferably a zeo... | 02/20/2001 |
| 6171473 | Integrated residue thermal cracking and partial oxidation process A residue from petroleum refining is thermally cracked to convert the residue to useful cracked products and to generate fuel gas. The residue is cracked by contact with hot synthesis gas produced by the gasification on the tar/pitch residue remaining aft... | 01/09/2001 |
| 6171471 | Heavy oil upgrading process (LAW813) The present invention is a slurry-type process for upgrading heavy oils to FCC and S/C feeds under temperature and pressure conditions similar to MSHP, but employing catalysts in concentrations small enough (e.g., | 01/09/2001 |
| 6165348 | Process for the production of an internal combustion engine fuel base by hydrotreatment and extraction, and the product produced therefrom The invention concerns a petroleum product and a process for the production of a petroleum product which can form part of a blend for an internal combustion engine fuel, the process comprising a) hydrotreating a hydrocarbon feedstock at a partial pressure of h... | 12/26/2000 |
| 6124514 | Process for generating pure benzene from reformed gasoline A process is disclosed for generating pure aromatic compounds from a reformed gasoline which contains aromatic compounds, olefins, diolefin, and triolefins, which comprises the steps of: (a) selectively hydrogenating the olefins, diolefins and triolefins in th... | 09/26/2000 |
| 6110358 | Process for manufacturing improved process oils using extraction of hydrotreated distillates A method for producing a process oil in which a naphthenic rich distillate is processed through a single hydrotreating stage, the hydrotreated distillate is then solvent extracted to yield a process oil which passes IP-346 and AMES screening test.... | 08/29/2000 |
| 6103101 | Process for producing lube base oils of high viscosity index and diesel oil of high cetaned number A process is described for the hydroisomerization/hydrocracking of paraffinic streams to yield lube oils of viscosity index of at least 105 and pour point -6° C. or less, whereby a paraffinic feed which is enriched in iso-paraffins is submitted to hydrog... | 08/15/2000 |
| 6096189 | Hydroconversion process for making lubricating oil basestocks A process for producing a lubricating oil basestock having at least 90 wt. % saturates and a VI of at least 105 by selectively hydroconverting a raffinate from a solvent extraction zone in a two step hydroconversion zone followed by a hydrofinishing zone.... | 08/01/2000 |
| 6090270 | Integrated pyrolysis gasoline treatment process An integrated process for treating pyrolysis gasolines by depentanizing the pyrolysis gasoline in a first distillation column reactor which also subjects the C5 fraction to selective hydrogenation of acetylenes and diolefins. The bottoms or C | 07/18/2000 |
| 6017441 | Multi-step catalytic process for conversion of a heavy hydrocarbon fraction A process for converting a heavy hydrocarbon fraction comprises treating the hydrocarbon feed in a hydroconversion section in the presence of hydrogen, the section comprising at least one three-phase reactor containing at least one ebullated bed hydroconv... | 01/25/2000 |
| 5980730 | Process for converting a heavy hydrocarbon fraction using an ebullated bed hydrodemetallization catalyst A process for converting a heavy hydrocarbon fraction comprises treating the hydrocarbon feed in a hydroconversion section in the presence of hydrogen, the section comprising at least one three-phase reactor containing at least one ebullated bed hydroconv... | 11/09/1999 |
| 5976351 | Wax hydroisomerization process employing a boron-free catalyst This invention discloses a process for producing a high Viscosity Index lubricant having a VI of at least 125 from a waxy hydrocarbon feed having a wax content of at least 40 wt %. The process comprises catalytically dewaxing waxy paraffins present in the... | 11/02/1999 |
| 5976361 | Method of and means for upgrading hydrocarbons containing metals and asphaltenes A hydrocarbon source feed is upgraded using a solvent deasphalting (SDA) unit employing a solvent having a critical temperature Tc by initially separating from a first hydrocarbon input stream fractions with an atmospheric equivalent boiling te... | 11/02/1999 |
| 5932090 | Process for the conversion of heavy crude oils and distillation residues to distillates The process for the conversion of heavy crude oils or distillation residues to distillates comprises the following steps: mixing the heavy crude oil or distillation residue with a suitable hydrogenation catalyst and sending the mixture obtained to a hydrotreat... | 08/03/1999 |
| 5925234 | Process for the production of an internal combustion engine fuel base by hydrotreatment and extraction, and the product therefrom The invention concerns a petroleum product and a process for the production of a petroleum product which can form part of a blend for an internal combustion engine fuel, the process comprising a) hydrotreating a hydrocarbon feedstock at a partial pressure of h... | 07/20/1999 |
| 5919355 | Method of and apparatus for processing heavy hydrocarbons A fractioning solvent deasphalting plant applies a solvent whose critical temperature is Tc to a hydrocarbon feed containing asphaltenes and atmospheric distillate having fractions that boil above about Tc -50° F. such that said fee... | 07/06/1999 |
| 5911874 | Raffinate hydroconversion process A process for upgrading a wax-containing feedstock to produce a wax and a high VI/low volatility lubricating oil basestock. The process comprises subjecting the raffinate from a solvent extraction step to a two step, single stage hydroconversion process w... | 06/15/1999 |
| 5885438 | Wax hydroisomerization process This invention discloses a process for producing a high Viscosity Index lubricant having a VI of at least 125 from a waxy hydrocarbon feed having a wax content of at least 40 wt %. The process comprises catalytically dewaxing waxy paraffins present in the... | 03/23/1999 |
| 5770047 | Process for producing reformulated gasoline by reducing sulfur, nitrogen and olefin A process for upgrading a nitrogen and sulfur rich heavy naphtha feedstock includes the steps of providing a naphtha feedstock having an initial nitrogen content, an initial sulfur content and an initial octane number; contacting the naphtha feedstock wit... | 06/23/1998 |
| 5685972 | Production of benzene, toluene, and xylene (BTX) from FCC naphtha Cracked naphtha feeds such as FCC naphtha and coker naphtha are upgraded to produce chemical grade BTX (benzene, toluene, xylene with ethylbenzene) while co-producing a low sulfur gasoline of relatively high octane number. The cracked, sulfur-containing n... | 11/11/1997 |
| 5552033 | Integrated process for increasing C6 to C8 aromatics content in reformate prepared from C9+ aromatics-containing feed An integrated process for increasing C6 to C8 aromatics content in reformate prepared from C9+ aromatics-containing feed comprises: 1) pretreating a raw naphtha feedstream containing C9+ aroma... | 09/03/1996 |
| 5464526 | Hydrocracking process in which the buildup of polynuclear aromatics is controlled The buildup of heavy polynuclear aromatic compounds in a hydrocracking system is controlled by contacting at least a portion of the recycle oil to the hydrocracker with a porous solid that has been treated with an acid. The porous solid serves as a suppor... | 11/07/1995 |
