Did You Know...
...that a workman who left the soap mixing machine on too long was responsible for making Ivory Soap? He was so embarrassed by his mistake that he threw the mess in a stream. Imagine his dismay when the evidence of his error floated to the surface! Result: Ivory soap, the soap that floats.
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 |
| 7244364 | FCC-CFD cat' fine desalting: a method and system for separating hydrocarbons and extracting catalyst fines from a slurry oil/catalyst fines/diluent mixture The present invention comprises a method for separating hydrocarbons from catalyst fines in a slurry oil/catalyst fines/diluent mixture (SCDM) comprising the steps of removing SCDM from a slurry oil storage tank and combining the SCDM with crude oil entering a desal... | 07/17/2007 |
| 6282513 | Quality assurance method for a machine and an operator The present invention employs a unique method that allows a user to create at least one standard pattern about how a particular type of x-ray examination of a body part of a patient is routinely performed, then monitors the machine when a operator uses it... | 08/28/2001 |
| 6280609 | Process and apparatus for controlling reaction temperatures A process and apparatus for contacting reactants with a particulate catalyst while indirectly contacting the reactants with a heat exchange medium performs heat exchange in a first reaction zone and moves catalyst, at least intermittently, through the sec... | 08/28/2001 |
| 5393414 | FCC process with enclosed vented riser An FCC process uses a highly efficient separation device to remove product from the catalyst so that the reactor vessel receives a low volume of feed hydrocarbons and riser by-products. The separation device encloses an upwardly directed outlet end of a b... | 02/28/1995 |
| 5316657 | FCC process for de-gassing spent catalyst boundary layer A fluidized catalyst contacting apparatus improves the recovery of entrained hydrocarbon gases by providing a de-gassing zone upstream of a conventional stripping zone. The de-gassing zone has a downwardly increasing catalyst density gradient that reduces... | 05/31/1994 |
| 5253403 | On-stream time for ebullating bed reactor A downcomer for use in ebullating bed reactors that is perforated along its length within the reactor. These perforations are sized slightly smaller that the solid catalyst particles used in the reactor in order to screen out these solid particles and pre... | 10/19/1993 |
| 5124027 | Multi-stage process for deasphalting resid, removing catalyst fines from decanted oil and apparatus therefor The invention reduces cracking catalyst fines in decanted oil by mixing the decanted oil (DCO) containing cracking catalyst fines with a resid oil and then treating the DCO-resid mixture with a non-aromatic hydrocarbon solvent in an extraction unit or in ... | 06/23/1992 |
| 5124025 | Process for deasphalting resid, recovering oils, removing fines from decanted oil and apparatus therefor The invention reduces cracking catalyst fines in decanted oil by mixing the decanted oil (DCO) containing cracking catalyst fines with asphaltene and then treating the DCO-asphaltene mixture with a non-aromatic hydrocarbon solvent in an extraction unit or... | 06/23/1992 |
| 5124026 | Three-stage process for deasphalting resid, removing fines from decanted oil and apparatus therefor The invention reduces cracking catalyst fines in decanted oil by mixing the decanted oil (DCO) containing cracking catalyst fines with asphaltene and then treating the DCO-asphaltene mixture with a non-aromatic hydrocarbon solvent in an extraction unit or... | 06/23/1992 |
| 5108580 | Two catalyst stage hydrocarbon cracking process In a two stage catalytic cracking process a heavy cycle gas oil fraction (HCGO) nominal boiling range 600° F. to 1050° F., API gravity of -10° to +10° and 65 to 95 vol % aromatics is recycled to extinction between an ebullated bed hydrocracking zone a... | 04/28/1992 |
| 5098554 | Expedient method for altering the yield distribution from fluid catalytic cracking units A fluid catalytic cracking unit equipped with multiple feed injection points along the length of the riser is operated such that all of the fresh feed is charged to one of different feed injection points, depending on the ratio of light distillate (gasoli... | 03/24/1992 |
| 5098552 | Controlling foam circulation in an ebullated bed process The invention is an improvement in an ebullated bed process. Gas is removed from the vertically oriented reaction vessel until the vessel, including the recycle conduit is liquid filled. Foam, generated around the recycle cup and riser conduits is floated... | 03/24/1992 |
| 5074989 | Process for the separation of fine catalyst particles for a hydrocarbon feedstock by filtration through mineral barries and a filtration loop This invention relates to a process for the separation of fine catalyst particles from a hydrocarbon feedstock coming from a catalytic cracking unit by filtration through mineral barriers and a filtration loop. The process consists of filtering the feedstock t... | 12/24/1991 |
| 5043056 | Suppressing sediment formation in an ebullated bed process In an ebullated bed process, a residual hydrocarbon oil and a hydrogen containing gas is passed upwardly through an ebullated bed of catalyst in a hydrocracking zone at a temperature in the range of 650° F. to 950° F. and pressure of 1000 psia to 5000 p... | 08/27/1991 |
| 4971678 | Liquid inventory control in an ebullated bed process The invention is an improvement in an ebullated bed process. Gas is removed the ebullated bed reactor preferentially to liquid. Gas is removed by material balance control until the reactor, including the recycle conduit is liquid full. Foam, generated aro... | 11/20/1990 |
| 4904369 | Residual oil conversion process A process for the production of hydrogen-enriched hydrocarbonaceous products which process comprises: (a) converting a heavy, asphaltene-containing hydrocarbonaceous residual oil, wherein at least 80% of the residual oil boils above 650° F. (343° C.), i... | 02/27/1990 |
| 4889618 | Treatment of catalyst fines-oil mixtures A process for separating finely divided petroleum cracking catlyst from a mixture of the finely divided catalyst particles with a high boiling refractory hydrocarbon oil by intimately contracting said mixture with a concentrated aqueous solution of a basi... | 12/26/1989 |
| 4818917 | Fluorescent lighting ballast with electronic assist A ballasting circuit for fluorescent lamps includes a series-connected current limiting ballast element and an electronic assist circuit. The ballast element has a high voltage side connectable to a commercial 110 VAC/60 hertz power source and a low volta... | 04/04/1989 |
| 4808289 | Resid hydrotreating with high temperature flash drum recycle oil Resid hydrotreating conversion of resid can be substantially increased by blending the resid with high-temperature flash drum oil before being hydrotreated in a train of ebullated bed reactors. The high-temperature flash drum oil also improves the overall... | 02/28/1989 |
| 4808298 | Process for reducing resid hydrotreating solids in a fractionator An effective hydrotreating process is provided to minimize precipitation of asphaltenic solids in the product oil. In the preferred process, an aromatic diluent, preferably comprising decanted oil, is injected into one or more of the fractionators downstr... | 02/28/1989 |
| 4732664 | Process for solid separation from hydroprocessing liquid product A process for separating finely divided solid particles from a hydroprocessing liquid product which comprises treating a heavy hydrocarbon feed having an asphaltene content of at least 1 wt. % so as to obtain an unstable product characterized by heavy mol... | 03/22/1988 |
| 4584087 | Recovery of a carbonaceous liquid with a low fines content A method is disclosed for recovering bitumen from a carbonaceous solid feed and for recovering a carbonaceous liquid from a fines-containing carbonaceous liquid feed by extraction of the feed with a solvent of predetermined solvency power, wherein the rec... | 04/22/1986 |
| 4457831 | Two-stage catalytic hydroconversion of hydrocarbon feedstocks using resid recycle A two-stage catalytic hydroconversion process for heavy hydrocarbon feedstocks usually containing fine particulate solids to produce lower boiling hydrocarbon liquid and gas products. The feedstock is fed into a first stage ebullated bed reactor containin... | 07/03/1984 |
| 4432864 | Carbo-metallic oil conversion with liquid water containing H2 S A method is disclosed for cracking a carbo-metallic oil feed containing high amounts of coke forming carbonaceous materials as characterized by a Conradson carbon value of more than 1 and containing a level of nickel and/or vanadium of greater than 5 ppm.... | 02/21/1984 |
| 4405445 | Homogenization of water and reduced crude for catalytic cracking An improved process for economically converting carbo-metallic oils to lighter products. Enhanced catalyst activity is enjoyed through use of a select process to vaporize and atomize the high boiling portion of a carbo-metallic oil feed. The carbo-metalli... | 09/20/1983 |
| 4353811 | Power recovery process using recuperative heat exchange A process is disclosed for recovering mechanical energy from a particle-containing pressurized high temperature gas stream such as the flue gas stream of an FCC regenerator. Heat is removed from the gas stream in two different indirect heat exchangers in ... | 10/12/1982 |
| 4345991 | Catalytic cracking process Cracking catalyst fines from a slurry oil are introduced into a cracking-regeneration loop not together with the highly aromatic, refractory hydrocarbon of the slurry oil but rather with a desirable hydrocarbon, such as a virgin gas oil. The invention has... | 08/24/1982 |
| 4295956 | Fluid coking process A fluid coking process is provided in which the recycling of coke particles of less than about 44 microns in diameter to the coking reactor is minimized by passing the stream of coke withdrawn from the coking reactor to a vessel comprising a fluidized bed... | 10/20/1981 |
| 4151073 | Process for phase separation This invention provides a continuous process for separating a gaseous phase from a hydrocarbon liquid containing carbonaceous particulates and gases. The liquid is fed to a cylindrical separator, with the gaseous phase being removed therefrom as an overhe... | 04/24/1979 |
| 4049540 | Process for the thermal cracking of heavy oils with a fluidized particulate heat carrier A process for the thermal cracking of heavy oils with a fluidized particulate heat carrier is carried out while recovering particles of the heat carrier accompanied by a stream of the reaction product by means of a cyclone and a gravitational separator, r... | 09/20/1977 |
| 4042489 | Method for reducing catalyst particle emissions in fluidized catalytic cracking processing An improvement in a process for catalytic cracking of hydrocarbon feedstocks which comprises reducing the emisssion of catalyst particles through a regenerator effluent gas by passing a catalyst-laden stream from a main column into a slurry settling zone ... | 08/16/1977 |
