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 |
| 6312586 | Multireactor parallel flow hydrocracking process Heavy hydrocarbons are upgraded to higher value distillates in a hydrocarbon conversion process which employs several parallel reaction zones which each contain both hydrotreating and hydrocracking catalyst beds. The feed and liquid recycle from the botto... | 11/06/2001 |
| 6300537 | Method for the use of new silicoaluminophosphas having an AEL structure to convert naptha to C2 to C4 olefins Disclosed are silicoaluminates (SAPOs) having unique silicon distributions, a method for their preparation and their use as naphtha cracking catalysts. More particularly, the new SAPOs have a high silica:alumina ratio and favorable Si atom distribution.... | 10/09/2001 |
| 6296758 | Hydrocracking process A hydrocracking process wherein a hydrocarbonaceous feedstock and a hot hydrocracking zone effluent containing hydrogen is passed to a denitrification and desulfurization reaction zone to produce hydrogen sulfide and ammonia to thereby clean up the fresh ... | 10/02/2001 |
| 6288298 | Naphtha cracking utilizing new catalytic silicoaluminophosphates having an AEL structure Disclosed are silicoaluminophosphates (SAPOs) having unique silicon distributions, a method for their preparation and their use as catalysts for the catalytic cracking of hydrocarbon feedstocks. More particularly, the new SAPOs have a high silica:alumina ... | 09/11/2001 |
| 6274780 | Catalysts for halogenated hydrocarbon processing and their preparation and use A process is disclosed for changing the fluorine content of halogenated hydrocarbons containing from 1 to 6 carbon atoms, in the presence of a multiphase catalyst. The process involves producing the catalyst by heating a single phase solid catalyst precur... | 08/14/2001 |
| 6271428 | Process for the purification of a diolefin hydrocarbon stream A process for the selective hydrogenation of trace quantities of acetylene compounds contained in a stream of diolefins to achieve extended on-stream performance by simultaneously contacting the selective catalyst with a diolefin feed, hydrogen and a poly... | 08/07/2001 |
| 6245956 | Method for separating sulfone from a hydrocarbon stream having a small concentration of sulfone Described is a process for separating sulfone from a hydrocarbon having a small concentration of said sulfone by use of water as an extraction solvent.... | 06/12/2001 |
| 6241876 | Selective ring opening process for producing diesel fuel with increased cetane number A process, preferably in a counter-current configuration, for selectively cracking carbon-carbon bonds of naphthenic species using a low acidic catalyst, preferably having a crystalline molecular sieve component and carrying a Group VIII noble metal. The ... | 06/05/2001 |
| 6238550 | Silicoaluminophosphates having AEL structure, a method for their preparation and their use as catalysts for the hydroprocessing of hydrocarbon feedstocks Disclosed are silicoaluminophosphates (SAPOs) having unique silicon distributions, a method for their preparation and their use as catalysts for the hydroprocessing of hydrocarbon feedstocks. More particularly, the new SAPOs have a high silica:alumina rat... | 05/29/2001 |
| 6228254 | Mild hydrotreating/extraction process for low sulfur gasoline A two step sulfur removal comprising a mild hydrotreating step followed by an extraction step reduces the sulfur content in gasoline to a very low level without significantly reducing the octane of the gasoline.... | 05/08/2001 |
| 6225515 | Process for the purification of a diolefin hydrocarbon stream A process for the selective hydrogenation of trace quantities of acetylene compounds contained in a stream of diolefins to achieve extended on-stream performance by contacting an off-line selective hydrogenation reaction zone containing selective catalyst... | 05/01/2001 |
| 6221241 | Process for removal of sulphur together with other contaminants from fluids A process for the purification of a fluid stream containing a sulphur contaminant, such as hydrogen sulphide, and mercury, phosphine, stibine, and/or arsenic compounds as a second contaminant wherein said fluid stream is passed through a bed of a particul... | 04/24/2001 |
| 6210563 | Process for producing diesel fuel with increased cetane number A process is provided for selectively producing diesel fuel with increased cetane number from a hydrocarbon feedstock. The process includes contacting the feedstock with a catalyst which has a large pore crystalline molecular sieve material component havi... | 04/03/2001 |
| 6207042 | Reforming using a bound halided zeolite catalyst A catalytic reforming process comprising the catalytic conversion of hydrocarbons to aromatics, said process comprising treating a halided zeolite catalyst (hiz-cat) containing a Group VIII metal at commercial startup conditions and then reforming hydroca... | 03/27/2001 |
| 6203694 | Conversion of heavy hydrocarbon to aromatics and light olefins A method for optimizing the yield of light olefins in a process for the conversion of a heavy hydrocarbon stream to aromatics and light olefins by contacting the heavy hydrocarbon stream with a zeolite catalyst along with the controlled introduction of a ... | 03/20/2001 |
| 6201163 | Pipeline transmission method At pressures over 1,000 psia, it is advantageous to add to natural gas an additive which is a C2 or C3 hydrocarbon compound or a mixture of such compounds. Above a lower limit (which varies with the additive being added and the press... | 03/13/2001 |
| 6200461 | Method for inhibiting polymerization of ethylenically unsaturated hydrocarbons Methods and compositions for inhibiting the polymerization of ethylenically unsaturated hydrocarbons are disclosed. Combinations of aminophenol compound and either of phenylenediamine or hydroxylamine compounds are effective at inhibiting this polymerizat... | 03/13/2001 |
| 6193877 | Desulfurization of petroleum streams containing condensed ring heterocyclic organosulfur compounds A process for the hydrodesulfurization (HDS) of multiple condensed ring heterocyclic organosulftir compounds found in petroleum and petrochemical streams. HDS is preferably conducted in a mixed bed containing: (a) a Ni-based catalyst on an inorganic refra... | 02/27/2001 |
| 6190540 | Selective purging for hydroprocessing reactor loop A process for hydroprocessing a fluid stream containing at least hydrogen and hydrocarbons. The process uses a hydrocarbon-selective membrane to reduce the concentration of hydrocarbons and contaminants in the hydrogen stream recycled to the hydroprocessi... | 02/20/2001 |
| 6190539 | Reforming using a bound halided zeolite catalyst A catalytic reforming process comprising the catalytic conversion of hydrocarbons to aromatics, said process comprising treating a halided zeolite catalyst (hiz-cat) containing a Group VIII metal at commercial startup conditions and then reforming hydroca... | 02/20/2001 |
| 6190536 | Catalytic cracking process Processes and apparatus for providing improved catalytic cracking, specifically improved recovery of olefins, LPG or hydrogen from catalytic crackers. The improvement is achieved by passing part of the wet gas stream across membranes selective in favor of... | 02/20/2001 |
| 6187174 | Process for converting heavy petroleum fractions in an ebullated bed, with addition of a pre-conditioned catalyst A process for converting a heavy hydrocarbon fraction comprises a step a) for treating a 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 b... | 02/13/2001 |
| 6187987 | Recovery of aromatic hydrocarbons using lubricating oil conditioned membranes Permselective separation of aromatic hydrocarbons from non-aromatic hydrocarbons in a feed stream is accomplished using improved asymmetric membranes. The preferred membranes are fashioned from a polyimide and conditioned with a lubricating oil. Feed stre... | 02/13/2001 |
| 6187175 | Co2 treatment to remove organically bound metal ions from crude The present invention is a process to remove a +2 ionic charged, organically bound metal from a petroleum feed. The process includes contacting feed with aqueous carbon dioxide in the essential absence for emulsion formation.... | 02/13/2001 |
| 6187173 | Process for purification of raw gasoline from catalytic cracking A process and apparatus for treating raw gasoline from catalytic cracking to obtain gasoline with the qualities required for use as motor fuel comprises selective hydrogenation followed by stabilization and optional cooling of the effluent, then sweetenin... | 02/13/2001 |
| 6179996 | Selective purge for hydrogenation reactor recycle loop Processes and apparatus for providing improved contaminant removal and hydrogen recovery in hydrogenation reactors, particularly in refineries and petrochemical plants. The improved contaminant removal is achieved by selective purging, by passing gases in... | 01/30/2001 |
| 6175046 | Method of hydrogenating aromatic hydrocarbons in hydrocarbon oil There is provided a catalyst that is highly resistant to sulfur and nitrogen compounds and active for hydrogenation and shows a low hydrocracking rate and a long service life as well as a method of converting aromatic hydrocarbons in hydrocarbon oil conta... | 01/16/2001 |
| 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 |
| 6171472 | Selective purge for reactor recycle loop Processes and apparatus for providing improved contaminant removal and hydrogen reuse in reactors, particularly in refineries and petrochemical plants. The improved contaminant removal is achieved by selective purging, by passing gases in the reactor recy... | 01/09/2001 |
| 6169218 | Selective hydrogenation of highly unsaturated compounds in hydrocarbon streams A process for the selective hydrogenation of the diolefins and acetylenic compounds in a olefin rich aliphatic hydrocarbon streams is disclosed wherein the selective hydrogenation is carried out at 40 to 300° F. under low hydrogen partial pressure in the... | 01/02/2001 |
| 6165350 | Selective purge for catalytic reformer recycle loop Processes and apparatus for providing improved catalytic reforming, specifically improved recovery of reformate and hydrogen from catalytic reformers. The improvement is achieved by passing portions of the reactor effluent or streams derived from the reac... | 12/26/2000 |
| 6166278 | Use of naturally acid smectites to remove olefins from aromatics or aromatic mixtures and processes therewith A catalyst for removing olefins from aromatic compounds or mixtures of aromatic compounds wherein the catalyst is a naturally acidic smectite clay containing exchangeable cations wherein the naturally acidic smectite clay has a cation exchange capacity of... | 12/26/2000 |
| 6165352 | Process for dehydrogenating hydrocarbons and oxygenated hydrocarbons A continuous process for the dehydrogenation of a hydrocarbon and/or oxygenated hydrocarbon feed, comprising contacting the hydrocarbon and/or oxygenated hydrocarbon feed with a dehydrogenation catalyst at elevated temperature in a reaction zone character... | 12/26/2000 |
| 6165353 | Distribution apparatus and method for patterned feed injection An arrangement for the controlled production of an essentially linear array of hydrocarbon feed injection jets maintains stable and reliable jets by passing individual piping for each jet through a support shroud that is located in a contacting vessel. Co... | 12/26/2000 |
| 6156189 | Operating method for fluid catalytic cracking involving alternating feed injection The present invention is directed to a Fluid Catalytic Cracking process conducted under fluid catalytic cracking conditions by injecting into at least one reaction zone of a fluid catalytic cracking unit (FCCU) having one or more risers, a plurality of fe... | 12/05/2000 |
| 6153089 | Upgradation of undesirable olefinic liquid hydrocarbon streams A process for converting undesirable olefinic hydrocarbon streams to hydrogen and petrochemical feedstock e.g. light olefins in C2 -C4 range and aromatics especially toluene and xylenes, which comprises simultaneous cracking and refo... | 11/28/2000 |
| 6153091 | Method for reducing chloride emissions from a moving bed catalyst regeneration process A method is disclosed for decreasing the emissions of chlorine-containing species from a moving bed process for regenerating spent catalyst particles with a recycle gas stream. A recycle gas stream contacts spent catalyst particles at regeneration conditi... | 11/28/2000 |
| 6153806 | Minimizing diphenylethane formation in alkylation of benzene by ethylene catalyzed by zeolite beta Reduction of the amount of 1,1-diphenylethane and heavier polyalkylated benzenes produced in the formation of ethylbenzene by alkylation of benzene with ethylene can be effected by reducing the number of hydride transfer active sites on a zeolite beta. On... | 11/28/2000 |
| 6153086 | Combination cocurrent and countercurrent staged hydroprocessing with a vapor stage A hydroprocessing process includes a cocurrent flow liquid reaction stage, a countercurrent flow liquid reaction stage and a vapor reaction stage in which feed components are catalytically hydroprocessed by reacting with hydrogen. Both liquid stages both ... | 11/28/2000 |
| 6153088 | Production of aromatic oils A process for the production of aromatic hydrocarbons. The process involves heating gas oil while under pressure, and maintaining the gas oil at temperature and pressure to break the substantially aliphatic chains from the gas oil core structure of two or... | 11/28/2000 |
