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| Number | Title | Issue Date |
| 6883670 | Horizontally extendible guard for restricting access to a rack of goods A guard for restricting access to a rack of goods comprises: an access-restricting horizontally expandable cover having an open bottom, a left side to which is mounted a track, and a right side to which is mounted a track; a left extensible member comprising a track... | 04/26/2005 |
| 6659501 | Textile formed part having pre-determined three-dimensional shape An invention relates to an inflatable gas bag (10) for an occupant restraint system of a vehicle, in particular of a motor vehicle. In order to avoid the formation of creases in the inflated state, which occurs with conventional gas bags and in order to b... | 12/09/2003 |
| 6616818 | Apparatus and method for coating substrates Apparatus (10) for treating a substrate, comprising: a vacuum chamber (12); a substrate carrier (14) adapted to carry a substrate (16) to be treated; a source material holder (22) for holding a source material (34) with which the substrate (16) is to be t... | 09/09/2003 |
| 6284214 | Low or no slag molten metal processing of coke containing vanadium and sulfur A process for recovering and purifying vanadium found in petroleum coke is disclosed. Coke containing V and sulfur is charged to a molten metal bath and dissolved to form a molten metal bath with dissolved carbon, dissolved V metal and dissolved sulfur. A... | 09/04/2001 |
| 5948241 | Orifice plate feed nozzle and atomization process A nozzle, and hydrocarbon conversion process using the nozzle for atomizing heavy feed to conversion zone, are disclosed. A liquid feed stream is atomized by radial out-to-in impingement of atomizing vapor, discharged onto an imperforate central region of... | 09/07/1999 |
| 4859648 | Layered metal chalcogenides containing interspathic polymeric chalcogenides Layered chalcogenide materials of high thermal stability and surface area which contain interspathic polymeric chalcogenides such as polymeric silica are prepared by ion exchanging a layered metal oxide, such as layered titanium oxide, with organic cation... | 08/22/1989 |
| 4826792 | Method of noble metal-zeolite catalyst activation with Bronsted acid compound A method for reactivating noble metal-containing zeolites containing sulfur oxide poisoned noble metal such as oxygen regenerated platinum zeolite beta catalysts, by contacting the catalyst with an acidic aqueous solution having a pH below about 7. The so... | 05/02/1989 |
| 4797267 | Method of producing rod-shaped ZSM-5 zeolite This disclosure is concerned with the crystallization of ZSM-5 zeolites and, more particularly, is concerned with the preparation of high silica ZSM-5 zeolites having a silica-to-alumina ratio of greater than 70, up to and approaching infinity, by control... | 01/10/1989 |
| 4788377 | Process for manufacturing olefins Siliceous zeolites, particularly those of the ZSM-5 type having a crystal size of less than one micron have their activity enhanced for the conversion of alcohols and ethers to olefins by steaming.... | 11/29/1988 |
| 4777268 | Selective oxidation of alkylaromatic employing layered titanate containing interspathic silica A process and catalyst are disclosed for selectively oxidizing alkylaromatics, e.g., o-xylene, to oxygenated aromatics, e.g., phthalic anhydride. The catalyst of the process comprises a layered titanate which contains interspathic polymeric silica and a h... | 10/11/1988 |
| 4773987 | Shape-selective conversion of organic feedstock using clathrate group tectosilicates This invention relates to an efficient process for shape-selective conversion of organic feedstock with a catalyst comprising a Clathrate Group tectosilicate such as ZSM-39 and a highly siliceous, shape selective zeolite such as ZSM-5. In one embodiment, ... | 09/27/1988 |
| 4498976 | Suppression of light gas production in cracking processes by the addition of highly siliceous materials having high surface area and low acidity A method for suppressing light gas production in a cracking process by dispersing in the feed low concentrations of a highly siliceous material having high surface area and low acidity prior to cracking. Because of the high surface area-to-volume ratio of... | 02/12/1985 |
| 4490241 | Secondary injection of ZSM-5 type zeolite in catalytic cracking A catalytic cracking process comprising secondary injection of an additive catalyst, ZSM-5 type zeolite, at a point downstream of the point of introduction of the hydrocarbon feed is disclosed.... | 12/25/1984 |
| 4478709 | Process for stabilizing dewaxed distillate oils A method for reducing the pour point of a hydrocarbon oil which comprises contacting said oil under dewaxing conditions with a zeolite dewaxing catalyst thereby forming a dewaxed oil that contains olefins, and contacting said dewaxed oil and said containe... | 10/23/1984 |
| 4473658 | Moving bed catalytic cracking process with platinum group metal or rhenium supported directly on the cracking catalyst An improved moving bed continuous catalytic cracking process for cracking hydrocarbon feedstocks, such as gas oil, in the absence of added hydrogen, which includes the use of a minute amount of dispersed platinum supported directly on a cracking catalyst.... | 09/25/1984 |
| 4472535 | Conversion of synthesis gas to ethane Synthesis gas is converted to an exclusively hydrocarbon product with selectivity to ethane by the use of a catalyst which comprises a zeolite and a metal component distributed within the pore structure of the zeolite. The preferred zeolites have a Constr... | 09/18/1984 |
| 4465554 | Hot jet evaporator An apparatus for evaporating liquid fractions is disclosed. The apparatus includes a nozzle from which a hot stream of non-reactive gas is directed onto the surface of the fraction that is to be evaporated, while the fraction and the nozzle are thermally ... | 08/14/1984 |
| 4458544 | Sample supply system and the handling of samples A sample supply system for the supply of successive samples of fluent material to a sample receiving zone, the system including a displaceable magazine having a plurality of locating stations for locating sample receptacles on the magazine; a sample recei... | 07/10/1984 |
| 4458033 | Regeneration of cationic resin in nonaqueous media A process for the direct regeneration of acid resin using a nonaqueous eluant saturated with anhydrous acid.... | 07/03/1984 |
| 4456700 | Catalyst for residua demetalation and desulfurization A demetalation and desulfurization catalyst for metal and sulfur containing petroleum oils, e.g., residua containing hydrocarbon components, comprising a hydrogenating component composited on a refractory base, e.g., alumina, having a substantially higher... | 06/26/1984 |
| 4447313 | Deasphalting and hydrocracking A process which comprises a two-stage method for the preparation, from heavy residual oils, of a feedstock suitable for subsequent catalytic processing, such as for employment in FCC reactors. The firt process step comprises pentane deasphalting which res... | 05/08/1984 |
| 4443327 | Method for reducing catalyst aging in the production of catalytically hydrodewaxed products A method for stabilizing the activity of a highly siliceous zeolite used as a catalyst in the processing of hydrocarbon feedstock comprises the addition of about 0.1 to 10 weight percent olefins to the feedstock prior to contacting with said catalyst unde... | 04/17/1984 |
| 4442210 | Process for the production of fermentation ethanol Ethanol is recovered from a fermentation mixture by contact with a crystalline zeolite sorbent exemplified by ZSM-5, followed by desorption of concentrated ethanol. In one embodiment of this invention, the sorption step is conducted during fermentation to... | 04/10/1984 |
| 4439310 | Petroleum processing with low acidity catalyst A method for upgrading a high boiling hydrocarbon fraction by reducing the molecular weight of at least a portion of the waxy or non-waxy constituents of the fraction with a catalyst composed of a heat stable crystalline zeolite in a matrix comprising a d... | 03/27/1984 |
| 4437975 | Manufacture of lube base stock oil Lube base stock oil of low pour point and excellent stability is produced from a waxy crude oil fraction by solvent refining, catalytic dewaxing over a zeolite catalyst in the nature of zeolite ZSM-5 and hydrotreating under specified conditions.... | 03/20/1984 |
| 4420561 | Fermentation process In an ethanol fermentation process in which an aqueous solution of fermentable sugar is converted by an ethanol-producing microorganism such as a yeast to a dilute aqueous solution of ethanol with the ethanol being present in the solution at a concentrati... | 12/13/1983 |
| 4414102 | Process for reducing nitrogen and/or oxygen heteroatom content of a mineral oil The nitrogen-containing and oxygen-containing contaminants of a mineral oil are converted to the corresponding sulfur compounds by contacting the oil with a fresh catalyst containing metals from Groups VB, VIB and VIII or a deactivated and metals contamin... | 11/08/1983 |
| 4358362 | Method for enhancing catalytic activity A hydrocarbon feed for use in a catalytic conversion process that utilizes a zeolite catalyst, and that contains a catalytically deleterious impurity, is refined by contact with a zeolitic sorbent. The invention is applicable to dewaxing, with an example ... | 11/09/1982 |
| 4358363 | Method for enhancing catalytic activity A waxy fuel oil that contains a catalytically deleterious contaminant is treated with a crystalline zeolite under sorption conditions followed by catalytic dewaxing with a crystalline zeolite exemplified by ZSM-5 to produce dewaxed fuel oil and high octan... | 11/09/1982 |
| 4357232 | Method for enhancing catalytic activity Catalytically dewaxed lubricating base stock oils that have improved resistance to oxidation are produced by pretreating the waxy furfural raffinate with a zeolite sorbent prior to dewaxing with a zeolite catalyst such as ZSM-5, and conducting the dewaxin... | 11/02/1982 |
| 4356095 | Water-soluble polymers and utilization thereof Water-soluble polymers that thicken reversibly in aqueous solution on alteration of the degree of alkalinity are manufactured by treating an aqueous suspension of protein with the enzymes elaborated extracellularly by a species of the genus Pseudomonas. T... | 10/26/1982 |
| 4338288 | Sorbent for removing metals from fluids This invention provides a sorbent composition, manganese nodules with occluded sulfur, effective for removing metal contaminants from gases or liquids. It is effective for removing lead contaminant from gasoline and mercury from water or natural gas. It m... | 07/06/1982 |
