Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7670477 | Desulphurization process comprising a transformation step and a step for extracting sulphur-containing compounds A process and the use of a process for desulphurizing a hydrocarbon feed is described which comprises at least one of the following steps: A a step for selective hydrogenation of diolefins present in said initial hydrocarbon feed, ... | 03/02/2010 |
| 7431822 | Process for upgrading heavy oil using a reactor with a novel reactor separation system Applicants have developed a new residuum full hydroconversion slurry reactor system that allows the catalyst, unconverted oil, hydrogen, and converted oil to circulate in a continuous mixture throughout an entire reactor with no confinement of the mixture. The mixtu... | 10/07/2008 |
| 7431823 | Process for upgrading heavy oil using a highly active slurry catalyst composition The instant invention is directed to a new residuum full hydroconversion slurry reactor system that allows the catalyst, unconverted oil and converted oil to circulate in a continuous mixture throughout an entire reactor with no confinement of the mixture. The mixtu... | 10/07/2008 |
| 7431831 | Integrated in-line pretreatment and heavy oil upgrading process A new residuum full hydroconversion slurry reactor system has been developed that allows the catalyst, unconverted oil, products and hydrogen to circulate in a continuous mixture throughout an entire reactor with no confinement of the mixture. The mixture is partial... | 10/07/2008 |
| 7431828 | Process for desulphurization of a hydrocarbon stream with a reduced consumption of hydrogen A two-stage hydrotreating process is disclosed wherein a hydrocarbon stream is first desulphurized followed by a dehydrogenation step, which process comprises in combination contacting the feed and hydrogen over a hydrotreating catalyst at hydrotreating conditions, ... | 10/07/2008 |
| 7427349 | Fuels hydrocracking and distillate feed hydrofining in a single process The present invention relates to the field of hydroprocessing, and more particularly relates to a process directed to fuels hydrocracking and distillate feed hydrofining. This process has at least two stages. A relatively unconverted hydrofined product may be remove... | 09/23/2008 |
| 7419582 | Process for hydrocracking a hydrocarbon feedstock A hydrocracking process wherein the feedstock is hydrotreated and the liquid and gaseous effluent from the hydrotreater is directly introduced into the upper end of a hydrocracking vessel which provides a liquid seal to prevent the passage of the gaseous stream cont... | 09/02/2008 |
| 7270743 | Products produced form rapid thermal processing of heavy hydrocarbon feedstocks The present invention is directed to the upgrading of heavy hydrocarbon feedstock that utilizes a short residence pyrolytic reactor operating under conditions that cracks and chemically upgrades the feedstock. The process of the present invention provides for the pr... | 09/18/2007 |
| 7223898 | Isomerization process A process for the isomerization of a feedstream comprising C5–C6 hydrocarbons where the process involves charging hydrogen and a feedstream comprising at least normal C5–C6 hydrocarbons into an isomerization zone and c... | 05/29/2007 |
| 7144498 | Supercritical hydrocarbon conversion process Supercritical conversion of hydrocarbons boiling above 538° C. (1000° F.) with a solvating hydrocarbon at a weight ratio of solvating hydrocarbon to high-boiling hydrocarbons of at least 2:1 and at conditions above the critical temperature and pressure of the high... | 12/05/2006 |
| 7097760 | Hydrocarbon process for the production of ultra low sulfur diesel A catalytic hydrocracking process for the production of ultra low sulfur diesel wherein a hydrocarbonaceous feedstock is hydrocracked at elevated temperature and pressure to obtain conversion to diesel boiling range hydrocarbons. The resulting hydrocracking zone eff... | 08/29/2006 |
| 7081229 | Second stage cyclone dipleg termination device in FCC units A second stage cyclone dipleg termination device for cyclones that operate under conditions in which the pressure in the top of the cyclone dipleg is lower than the external pressure where fine particulate matter is collected and discharged. The second stage cyclone... | 07/25/2006 |
| 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 |
| 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 |
| 7022889 | Isomerization process using novel catalyst A process for the isomerization of a feedstream comprising C5–C6 hydrocarbons where the process involves charging hydrogen and a feedstream comprising at least normal C5–C6 hydrocarbons into an isomerization zone and c... | 04/04/2006 |
| 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 |
| 7015175 | High-activity 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 of... | 03/21/2006 |
| 7005057 | Hydrocracking process for the production of ultra low sulfur diesel A catalytic hydrocracking process for the production of ultra low sulfur diesel wherein a hydrocarbonaceous feedstock is hydrocracked at elevated temperature and pressure to obtain conversion to diesel boiling range hydrocarbons. The resulting hydrocracking zone eff... | 02/28/2006 |
| 6979396 | Combination reforming and isomerization process A reforming and isomerization process has been developed. A reforming feedstream is charged to a reforming zone containing a reforming catalyst and operating at reforming conditions to generate a reforming zone effluent. Hydrogen and an isomerization feedstream is c... | 12/27/2005 |
| 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 |
| 6919017 | Separation process and apparatus for removal of particulate material from flash zone gas oil A process and an apparatus for removing particulate material from a flash zone gas oil stream produced in a delayed coking unit. The process and apparatus of the invention employ cyclonic separation to remove particulate material from the flash zone gas oil stream. ... | 07/19/2005 |
| 6783661 | Process for producing oils with a high viscosity index A process for producing oils with high viscosity indices from oil distillates or effluents from a conversion unit comprises the following steps: a) catalytic hydrotreatment of the feed in the presence of hydrogen and a non zeolitic catalyst; b) fractio... | 08/31/2004 |
| 6702937 | Process for upgrading Fischer-Tropsch products using dewaxing and hydrofinishing A process for producing low pour point diesel and lubricating base oil products by bulk dewaxing a C5 plus Fischer-Tropsch syncrude, hydrofinishing the dewaxed intermediate, and recovering 120 degrees C. plus products having improved properties... | 03/09/2004 |
| 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 |
| 6623624 | Process for preparation of fuels and lubes in a single integrated hydrocracking system An integrated distillate hydrocracking process produces one or more fuel products and one or more lube products from a first reaction stage. Heavy fractions from the first stage, which are not recovered as lube products, are cracked to fuels in a second r... | 09/23/2003 |
| 6562230 | Synthesis of narrow lube cuts from Fischer-Tropsch products A process for preparing hydrocarbons in the lube base oil range, lube base oils and lube oil compositions from a fraction with an average molecular weight above a target molecular weight and a fraction with an average molecular weight below a target molec... | 05/13/2003 |
| 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 |
| 6482312 | Particulate solids cracking apparatus and process A catalytic cracking unit is disclosed which provides for separation and quenching of the effluent with a total kinetic residence time of from 0.1 to 0.6 seconds.... | 11/19/2002 |
| 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 |
| 6355159 | Dissolution and stabilization of thermally converted bitumen A heavy hydrocarbon is rendered pipelineable by hydroconverting the heavy hydrocarbon under conditions sufficient to obtain a product oil of lowered viscosity and an API gravity suitable for pipelining and thereafter adding a diluent modified hydrocarbon ... | 03/12/2002 |
| 6325918 | Raffinate hydroconversion process A process for producing a high VI/low volatility lubricating oil basestock and a lubricating oil basestock prepared by said process. The process comprises subjecting the raffinate from a solvent extraction step to a two step, single stage hydroconversion ... | 12/04/2001 |
| 6322692 | 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,... | 11/27/2001 |
| 6318468 | Recovery and reforming of crudes at the heads of multifunctional wells and oil mining system with flue gas stimulation The present invention is a process for thermal cracking and reforming of a liquid petroleum stream comprising the liquid petroleum fraction, wherein the liquid petroleum fraction is a substantial portion of the first liquid petroleum stream and has a dens... | 11/20/2001 |
| 6303022 | Method of gas stream purification having independent vapor and liquid refrigeration using a single refrigerant A process for recovering a hydrogen-rich gas and for increasing the recovery of liquid hydrocarbon products from a hydrocarbon conversion zone effluent by adsorption of the liquifiable products from a chilled gaseous stream with a chilled liquid stream is... | 10/16/2001 |
| 6197163 | Process for removing impurities from petroleum products The impurity content, e.g. propionitrile, in a fraction containing C5 or C6 tertiary olefins obtained by cracking hydrocarbons is reduced by distilling with an alkanol and removing the impurity as a higher boiling point fraction.... | 03/06/2001 |
| 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 |
| 6099719 | Hydroconversion process for making lubicating oil basestocks A process for producing a lubricating oil basestock having at least 90 wt. % saturates and a VI of at least 105 by solvent extracting a feedstock to produce a raffinate, solvent dewaxing the raffinate, selectively hydroconverting the solvent dewaxed raffi... | 08/08/2000 |
| 6096190 | Hydrocracking/hydrotreating process without intermediate product removal A refinery stream such as a VGO is hydrocracking in a hydrocracking reaction zone within an integrated hydroconversion process. Effluent from the hydrocracking reaction zone is combined with a second refinery stream, and the blended stream hydrotreated in... | 08/01/2000 |
| 6096192 | Producing pipelinable bitumen A bitumen is rendered pipelineable by partially hydroconverting the bitumen and then adding sufficient diluent to the partially hydroconverted bitumen to provide a mixture having an API gravity at 15° C. of at least 19° and a viscosity at 40° C. in the... | 08/01/2000 |
| 6008164 | Lubricant base oil having improved oxidative stability The instant invention is directed to a method for producing a lubricating base stock having a preselected oxidative stability comprising the steps of: (a) separating, into a plurality of fractions based on molecular shape, a hydroisomerized hydrocarbon wa... | 12/28/1999 |
