Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 7371316 | Production of lower molecular weight hydrocarbons A catalytic composition useful for cracking and reducing the viscosity of heavy hydrocarbons. The catalytic composition comprises Portland cement, a volcanic ash component, titanium dioxide, and a transition metal salt. Optionally, a hydrogen source is added to the ... | 05/13/2008 |
| 7323099 | Two stage fluid catalytic cracking process for selectively producing Cto Colefins A process for selectively producing C2 to C4 olefins from feedstock such as a gas oil or resid. The feedstock is reacted in a first stage comprising a fluid catalytic cracking unit wherein it is converted in the presence of a mixture of convent... | 01/29/2008 |
| 7316773 | Catalytic cracking process and the device used therein The present invention relates to a catalytic cracking process and a device used in the process in particular, the present invention provides a catalytic cracking process, which comprises which comprises: 1) catalytic cracking a fee... | 01/08/2008 |
| 7314964 | Catalytic naphtha cracking catalyst and process A process is disclosed for enhancing the production of light olefins using a catalyst with small pores. The catalyst comprises a molecular sieve having 10 membered rings with channels of limited length. The molecular sieve has a high silica to alumina ratio and has ... | 01/01/2008 |
| 7312370 | FCC process with improved yield of light olefins An FCC process for obtaining light olefins comprises contacting a hydrocarbon feed stream with blended catalyst comprising regenerated catalyst and coked catalyst. The catalyst has a composition including a first component and a second component. The second componen... | 12/25/2007 |
| 7304011 | Compositions and processes for reducing NOemissions during fluid catalytic cracking Compositions for reduction of NOx generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking catalyst composition, preferably containing a Y-type zeoli... | 12/04/2007 |
| 7270739 | Fractionating and further cracking a Cfraction from a naphtha feed for propylene generation The present invention relates to a process for selectively producing C3 olefins from a catalytically cracked or thermally cracked naphtha stream by fractionating the naphtha feed to obtain at least a C6 rich fraction and feeding the C6 | 09/18/2007 |
| 7267759 | Fractionating and further cracking a Cfraction from a naphtha feed for propylene generation The present invention relates to a process for selectively producing C3 olefins from a catalytically cracked or thermally cracked naphtha stream by fractionating the naphtha feed to obtain a C6 fraction and feeding the C6 fraction ei... | 09/11/2007 |
| 7261807 | Fluid cat cracking with high olefins production The propylene production of a fluid catalytic cracking unit employing a large pore zeolite cracking catalyst, produces more propylene by adding a naphtha cracking riser and a medium pore zeolite catalytic component to the unit, and recycling at least a portion of th... | 08/28/2007 |
| 7256318 | Regeneration temperature control in a catalytic reaction system This invention is directed to controlling regenerator temperature in an oxygenate to olefin process. Because a significant amount of heat can produced in the regenerator during the regeneration process, at least a portion of the heat must be removed to keep the syst... | 08/14/2007 |
| 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 |
| 7033546 | Process and apparatus for contacting hydrocarbons with catalyst A reactor apparatus and process for contacting hydrocarbons with catalyst. The reactor apparatus comprises a plurality of tubular reactors each having a first end into which a catalyst is fed and a second end through which the catalyst and product exit the tubular r... | 04/25/2006 |
| 7029571 | Multi stage selective catalytic cracking process and a system for producing high yield of middle distillate products from heavy hydrocarbon feedstocks According to this invention, there is provided a process and apparatus for catalytic cracking of various petroleum based heavy feed stocks in the presence of solid zeolite catalyst and high pore size acidic components for selective bottom cracking and mixtures there... | 04/18/2006 |
| 7008595 | Resid cracking apparatus with catalyst and adsorbent regenerators and a process thereof This invention provides a resid cracking apparatus comprising a riser, reactor, stripper cum separator with adjustable outlets in flow communication with adsorbent and catalyst regenerators for converting hydrocarbon residues containing higher concentration of conra... | 03/07/2006 |
| 6869521 | Process and apparatus for upgrading FCC product with additional reactor with thorough mixing A process and apparatus are disclosed contacting hydrocarbon feed with catalyst in a reactor vessel under conditions more vigorous than bubbling bed conditions and preferably fast fluidized flow conditions. The vigorous conditions assure thorough mixing of catalyst ... | 03/22/2005 |
| 6866771 | Process and apparatus for upgrading FCC product with additional reactor with catalyst recycle A process and apparatus is disclosed for contacting feed with mixed catalyst in a secondary reactor that is incorporated into an FCC reactor. The mixed catalyst used in the secondary reactor is regenerated catalyst from a regenerator that regenerates spent catalyst ... | 03/15/2005 |
| 6837989 | Cycle oil conversion process The invention relates to a process for converting cycle oils produced in catalytic cracking reactions into olefin and naphtha. More particularly, the invention relates to a process for hydroprocessing a catalytically cracked light cycle oil, and then re-cracking it ... | 01/04/2005 |
| 6811682 | Cycle oil conversion process The invention relates to a process for converting cycle oils produced in catalytic cracking reactions into light olefin and naphtha. More particularly, the invention relates to a process for hydroprocessing a catalytically cracked light cycle oil in order to form a ... | 11/02/2004 |
| 6767451 | Procedure and device for cracking of hydrocarbons using two successive reaction chambers A process for cracking, in a fluidized bed, a hydrocarbon charge wherein the cooling particles, which may optionally also be catalytic particles, circulate in two successive reaction chambers (1; 16), in each of which they are brought into contact with at lea... | 07/27/2004 |
| 6569316 | Cycle oil conversion process incorporating shape-selective zeolite catalysts The invention relates to a process for converting cycle oils produced in catalytic cracking reactions into light olefin, preferably propylene. More particularly, the invention relates to a process for hydroprocessing a catalytically cracked light cycle oi... | 05/27/2003 |
| 6569315 | Cycle oil conversion process The invention relates to a process for converting cycle oils produced in catalytic cracking reactions into olefinic naphthas. More particularly, the invention relates to a process for hydroprocessing a catalytically cracked light cycle oil, and then re-cr... | 05/27/2003 |
| 6565739 | Two stage FCC process incorporating interstage hydroprocessing The invention relates to a two-stage catalytic cracking process for converting cycle oils to more valuable products. More particularly, the invention relates to a process that includes interstage hydroprocessing and a tailored catalyst mixture in a second... | 05/20/2003 |
| 6352638 | Two-stage process for converting residua to gasoline blendstocks and light olefins A two-stage process for converting petroleum residua and other low value oils to high valued gasoline blendstocks and light olefins. The first stage is comprised of a thermal process unit containing a reaction zone comprised of a horizontal moving bed of ... | 03/05/2002 |
| 6258257 | Process for producing polypropylene from C3 olefins selectively produced by a two stage fluid catalytic cracking process A process for producing polymers from olefins selectively produced by a two stage process for selectively producing C2 to C4 olefins from a gas oil or resid is disclosed herein. The gas oil or resid is reacted in a first stage compri... | 07/10/2001 |
| 6123830 | Integrated staged catalytic cracking and staged hydroprocessing process Disclosed is a catalytic cracking process that includes more than one catalytic cracking reaction step. The process integrates catalytic cracking steps with hydroprocessing in order to maximize olefins production, distillate quality and octane level of th... | 09/26/2000 |
| 6106697 | Two stage fluid catalytic cracking process for selectively producing b. C.su2 to C4 olefins C2 to C4 olefins are selectively produced from a gas oil or resid in a two stage process. The gas oil or resid is reacted in a first stage comprised of a fluid catalytic cracking unit wherein it is converted in the presence of conven... | 08/22/2000 |
| 6033555 | Sequential catalytic and thermal cracking for enhanced ethylene yield The invention provides a process for improving the conversion of a hydrocarbon feedstock to light olefins comprising the steps of first contacting the hydrocarbon feedstock with a light olefin producing cracking catalyst and subsequently thermally crackin... | 03/07/2000 |
| 5879535 | Two-stage process for obtaining significant olefin yields from residua feedstocks A two-stage process for obtaining a substantial amount of olefinic product from a residua feedstock. The first stage is comprised of a thermal process unit containing a reaction zone comprised of a horizontal moving bed of fluidized hot particles operated... | 03/09/1999 |
| 5879536 | Two-stage process for obtaining significant olefin yields from residua feedstocks A two-stage process for obtaining a substantial amount of olefinic product from a residua feedstock. The first stage is comprised of a thermal process unit containing a reaction zone comprised of a horizontal moving bed of fluidized hot particles operated... | 03/09/1999 |
| 5770043 | Integrated staged catalytic cracking and hydroprocessing process Disclosed is a catalytic cracking process which includes more than one catalytic cracking reaction step. The process integrates a hydroprocessing process step between the catalytic cracking reaction steps in order to maximize olefins production, mid-disti... | 06/23/1998 |
| 5770044 | Integrated staged catalytic cracking and hydroprocessing process (JHT-9614) Disclosed is a catalytic cracking process which includes more than one catalytic cracking reaction step. The process integrates a hydroprocessing step between the catalytic cracking reaction steps in order to maximize olefins production, distillate qualit... | 06/23/1998 |
| 5582711 | Integrated staged catalytic cracking and hydroprocessing process Disclosed is a catalytic cracking process which includes more than one catalytic cracking reaction step. The process integrates a hydroprocessing step between the catalytic cracking reaction steps in order to maximize olefins production, distillate qualit... | 12/10/1996 |
| 5498326 | Process for and apparatus for catalytic cracking in two successive reaction zones The invention relates to a process for catalytic cracking and the associated apparatus in which the cracking reaction takes place in two substantially vertical and successive reaction zones, the loads being introduced into the first zone where it circulat... | 03/12/1996 |
| 5372704 | Cracking with spent catalyst A process and apparatus for low cracking or recracking of liquid hydrocarbons with FCC catalyst containing 0.2 to 1.5 wt % coke is disclosed. FCC naphtha, or a thermally or hydrocracked naphtha, contacts spent FCC catalyst in a naphtha recracking reactor ... | 12/13/1994 |
| 5154818 | Multiple zone catalytic cracking of hydrocarbons Methods for the fluidized catalytic cracking of plural hydrocarbon feedstocks in a riser reactor are disclosed. The processes generally comprises contacting a relatively light hydrocarbon feedstock in a first reaction zone with a first catalyst stream com... | 10/13/1992 |
| 4990314 | Process and apparatus for two-phase fluid catalytic cracking system A fluid catalytic cracking (FCC) process and apparatus which employs relatively more elutriatable catalyst particles comprising intermediate pore zeolite, particularly ZSM-5, and relatively less elutriatable catalyst particles comprising large pore zeolit... | 02/05/1991 |
| 4787967 | Process for two-phase fluid catalytic cracking system A fluid catalytic cracking (FCC) process and apparatus which employs relatively more elutriatable catalyst particles comprising intermediate pore zeolite, particularly ZSM-5, and relatively less elutriatable catalyst particles comprising large pore zeolit... | 11/29/1988 |
| 4721557 | Combination process for the conversion of a residual asphaltene-containing hydrocarbonaceous stream to maximize middle distillate production A process for the conversion of residual asphaltene-containing hydrocarbonaceous charge stock to selectively produce large quantities of high quality middle distillate while minimizing hydrogen consumption.... | 01/26/1988 |
| 4615795 | Integrated heavy oil pyrolysis process A process and system for the production of olefins from heavy hydrocarbon feedstocks. A heavy hydrocarbon feed is first pretreated at high pressure and moderate temperatures to preferentially remove coke precursors in a liquid product. The pretreated hydr... | 10/07/1986 |
| 4551229 | Cracking of heavy hydrocarbons with improved yields of valuable liquid products Hydrocarbon feedstocks, especially those high in Ramsbottom carbon, are vaporized by contact with a relatively inactive coked cracking catalyst, separating the resulting intermediate into a high and low boiling fraction, and cracking the high boiling frac... | 11/05/1985 |
