Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 8158838 | Diadehyde compound, preparation method thereof, and synthetic method of carotenoids using the same The novel C dialdehyde compound which can be efficiently utilized in the synthesis of carotenoid compounds based on the sulfone chemistry, the preparation method of the same, and the expeditious and practical synthetic processes for lycopene and β-carotene by the u... | 04/17/2012 |
| 7888542 | Process for producing a saturated hydrocarbon component The invention relates to a process for producing high-quality saturated base oil or a base oil component based on hydrocarbons. The process of the invention comprises two main steps, the oligomerization and deoxygenation. A biological starting material containing un... | 02/15/2011 |
| 7501546 | Process for producing a branched hydrocarbon component The invention relates to a process for producing high-quality hydrocarbon base oil of biological origin. The process of the invention comprises alcohol condensation, hydrodeoxygenation, and isomerization steps. Alcohols, preferably fatty alcohols of biological origi... | 03/10/2009 |
| 7411106 | Molecular sieve compositions, catalyst thereof, their making and use in conversion processes The invention relates to a catalyst composition, a method of making the same and its use in the conversion of a feedstock, preferably an oxygenated feedstock, into one or more olefin(s), preferably ethylene and/or propylene The catalyst composition comprises a molec... | 08/12/2008 |
| 7402718 | Conversion process The invention relates to a conversion process for making olefin(s) using a molecular sieve catalyst composition. More specifically, the invention is directed to a process for converting a feedstock comprising an oxygenate in the presence of a molecular sieve catalys... | 07/22/2008 |
| 7378562 | Process for removal of alkynes and/or dienes from an olefin stream The present invention is a process for removing alkynes and/or dienes from an olefin product stream withdrawn from an oxygenate-to-olefins reactor. The process comprises hydrogenating a first olefin stream that has alkynes and/or dienes in the presence of excess hyd... | 05/27/2008 |
| 7378563 | Molecular sieve compositions, catalysts thereof, their making and use in conversion processes The invention relates to a conversion process of a feedstock, preferably an oxygenated feedstock, into one or more olefin(s), preferably ethylene and/or propylene, in the presence of a molecular sieve catalyst composition that includes a molecular sieve and a Group ... | 05/27/2008 |
| 7368621 | Method for producing 1-octene from crack-C The invention relates to a process for preparing 1-octene from a C4 fraction from a cracker by telomerization of the 1,3-butadiene present in the C4 fraction from a cracker by means of methanol in the presence of a catalyst, hydrogenation of th... | 05/06/2008 |
| 7358410 | Processes for forming polypropylene from an oxygenate-contaminated monomer feedstock The present invention provides various processes for producing polypropylene from an oxygenate-contaminated propylene-containing feedstock, preferably derived from an oxygenate to olefin reaction system. In one embodiment, the process includes providing a propylene-... | 04/15/2008 |
| 7355086 | Method for stabilizing catalyst activity during MTO unit operation A method for maintaining the activity of silicoaluminophosphate (SAPO) molecular sieve catalyst particles during oxygenate to olefin conversion reactions. After regeneration of SAPO catalyst particles, the regenerated particles are mixed with particles having coke o... | 04/08/2008 |
| 7329787 | Process for transforming hydrocarbons into a fraction having an improved octane number and a fraction with a high cetane index A process is described for transforming an initial hydrocarbon feed containing 4 to 15 carbon atoms, limits included, into a hydrocarbon fraction having an improved octane number and a hydrocarbon fraction with a high cetane number. ... | 02/12/2008 |
| 7329788 | Process for producing gasoline components Process for producing gasoline components. The process comprises feeding a fresh olefinic hydrocarbon feedstock to a reaction zone, in which its structure is first isomerized. The isomerized hydrocarbon is drawn out of the first reaction zone and conducted to a seco... | 02/12/2008 |
| 7317133 | Process for enhanced olefin production The present invention relates to a process for the production of light weight olefins comprising olefins having from 2 to 3 carbon atoms per molecule from an oxygenate feedstock. The process comprises passing the oxygenate feedstock to an oxygenate conversion zone c... | 01/08/2008 |
| 7309806 | Maintaining molecular sieve catalytic activity under water vapor conditions The invention is directed to methods for protecting metalloaluminophosphate molecular sieves, particularly silicoaluminophosphate (SAPO) molecular sieves, from loss of catalytic activity due to contact with a gas containing water. The methods of the invention provid... | 12/18/2007 |
| 7238844 | Olefin oligomerization This invention is to a method of oligomerizing an olefin feed stream. The olefin feed stream contains at least one C2 to C12 olefin to obtain an olefin feed stream and has less than 1,000 ppm by weight oxygenated hydrocarbon. The olefin is olig... | 07/03/2007 |
| 7230151 | Two catalyst process for making olefin This invention is to a process of making olefin, particularly ethylene and propylene, from an oxygenate feed. The invention uses two or more zeolite catalysts. Examples of zeolite catalysts include a first catalyst containing of ZSM-5, and a second catalyst containi... | 06/12/2007 |
| 7183450 | Olefin oligomerization This invention is to a method of oligomerizing an olefin feed stream. The olefin feed stream contains at least one C2 to C12 olefin to obtain an olefin feed stream and has from about 1,000 ppm to about 10 percent by weight oxygenated hydrocarbo... | 02/27/2007 |
| 7166756 | Method for hydrocarbon isomerization The present invention is directed at a process to isomerize C10+ hydrocarbon feedstreams by contacting a C10+ hydrocarbon feedstream with a steamed catalyst. ... | 01/23/2007 |
| 7161051 | Integration of a methanol synthesis system with a methanol to olefin reaction system Disclosed is a process for producing light olefins in an integrated methanol synthesis/MTO reaction system. The integrated system implements a shared separation system for separating oxygenate components from the respective methanol synthesis system and MTO reaction... | 01/09/2007 |
| 7151198 | Integration of a methanol synthesis system with a methanol to olefin reaction system Disclosed is a process for producing light olefins in an integrated methanol synthesis/MTO reaction system. The integrated system implements a shared separation system for separating oxygenate components from the respective methanol synthesis system and MTO reaction... | 12/19/2006 |
| 7145049 | Oligomerization process Alkenes, such as normal butenes in a mixed C4 stream are oligomerized, preferably to dimers, which are dimerized in a distillation column reactor over ZSM-57 zeolite catalyst at high conversions and high selectivity to octenes. Prior to oligomerization th... | 12/05/2006 |
| 7067597 | Process of making polypropylene from intermediate grade propylene This invention concerns using an intermediate grade propylene stream as feed to a polypropylene forming reaction system. The intermediate grade propylene stream is preferably recovered form the olefin product of an oxygenate to olefins reaction process, and low in d... | 06/27/2006 |
| 7011809 | Attrition resistant gamma-alumina catalyst support A γ-alumina catalyst support having improved attrition resistance produced by a method comprising the steps of treating a particulate γ-alumina material with an acidic aqueous solution comprising water and nitric acid and then, prior to adding any catalytic materi... | 03/14/2006 |
| 6936742 | Production of diisobutene from tertiary butyl alcohol A process for the production of diisobutene is disclosed wherein tertiary butyl alcohol is dehydrated to isobutene in a distillation column reactor containing an acid cation exchange resin catalyst in the form of catalytic distillation structure. The isobutene react... | 08/30/2005 |
| 6884914 | Olefin oligomerization This invention is to a method of oligomerizing an olefin feed stream. The olefin feed stream contains at least one C2 to C12 olefin to obtain an olefin feed stream and has less than 1,000 ppm by weight oxygenated hydrocarbon. The olefin is olig... | 04/26/2005 |
| 6875899 | Production of higher olefins A method of making a higher olefin product from a C4+ fraction separated from the hydrocarbon product produced by an oxygenate to olefin reaction unit. The C4+ fraction primarily contains butenes which may be directed to a... | 04/05/2005 |
| 6864398 | Conversion of syngas to distillate fuels An integrated process for producing high value products, including for example distillate fuel, from syngas is disclosed. The integrated process of the present invention produces high value products from a Fischer Tropsch with minimal production of low value product... | 03/08/2005 |
| 6852897 | Process for the preparation of lower olefins A process for the preparation of lower olefins which comprises the step (A) of separating in a high-pressure state a mixed fluid (I) containing dimethyl ether (DME) and methanol at a specified ratio into a gas component (II) and a liquid component (III), separating ... | 02/08/2005 |
| 6844476 | Process to control conversion of C4+ and heavier stream to lighter products in oxygenate conversion reactions A method for converting heavy olefins present in a product stream exiting a first reaction zone into light olefins and carbonaceous deposits on a catalyst without separation of the heavy olefins from the product stream exiting the first reaction zone. The method com... | 01/18/2005 |
| 6770791 | Production of olefin dimers and oligomers Disclosed is an olefin containing stream from an oxygenate to olefin process, and a process for making olefin dimer and oligomer product from the olefin containing stream using a nickel based oligomerization catalyst. The dimer/oligomer product is optionally convert... | 08/03/2004 |
| 6768034 | Catalytic production of olefins at high methanol partial pressures Disclosed is a catalytic method for operating an oxygenate to olefins conversion reaction to provide a substantial quantity of prime olefin in the product. The product is provided by operating within desired parameters of weight hourly space velocity and oxygenate p... | 07/27/2004 |
| 6740790 | Making an olefin product from an oxygenate Disclosed is a method for making olefin product from an oxygenate-containing feedstock. In the method, a silicoaluminophosphate molecular sieve catalyst is contacted with the oxygenate-containing feedstock in a reactor at an average catalyst feedstock exposure index... | 05/25/2004 |
| 6660812 | Production of olefin derivatives Disclosed is a system of making an olefin derivative from a dilute olefin feed. Dilute olefin is sent to an olefin reaction unit to form an olefin derivative product. The olefin derivative product is recovered from the reaction unit while a vent stream is... | 12/09/2003 |
| 6632972 | Process for the selective preparation of DIB from an i-butene-containing C4 stream The invention relates to a process for preparing diisobutylene (DIB) from an i-butene-containing C4 raffinate I, in which the C4 stream is passed through a first hydroisomerization reactor (A) and a fractionation column (B) and is th... | 10/14/2003 |
| 6605206 | Process for increasing the yield of lubricating base oil from a Fischer-Tropsch plant A process for increasing the yield of C10 plus hydrocarbon products from a Fischer-Tropsch plant which comprises the steps of (a) separating a Fischer-Tropsch product into a wax fraction and a condensate fraction; (b) dewaxing the wax fraction ... | 08/12/2003 |
| 6531639 | Catalytic production of olefins at high methanol partial pressures Disclosed is a catalytic method for operating an oxygenate to olefins conversion reaction to provide a substantial quantity of prime olefin in the product. The product is provided by operating within desired parameters of weight hourly space velocity and ... | 03/11/2003 |
| 6518473 | Dimerizing olefins to make lube base stocks Lube base stock compositions, and methods for preparing the compositions, are disclosed. The methods involve subjecting a predominantly C5-11 olefin-containing feedstock to dimerization conditions, preferably using nickel ZSM-5 as the dimerizat... | 02/11/2003 |
| 6455747 | Method for converting oxygenates to olefins The present invention provides a method for converting a feed containing oxygenates to olefins and comprises the following steps: providing a feed including an oxygenate; contacting the feed in a reactor apparatus with a catalyst including a molecular sie... | 09/24/2002 |
| 6362386 | Method and device for obtaining isobutenes from conjugated hydrocarbons A process for isolating isobutene from a hydrocarbon mixture by a) combining the C4 -hydrocarbon mixture with a primary C3 - or C4 -alkanol; b) reacting the isobutene in the C4 -hydrocarbon mixture with the primary C... | 03/26/2002 |
| 6156947 | Process for the production of butene-1 from a mixture of C4 olefins A simplified process for jointly producing butene-1 and ether in a catalytic distillation column which comprises an upper catalytic zone for etherification and a lower catalytic zone for isomerization of C4 plus olefins and conversion of butadi... | 12/05/2000 |
