Bizarre Patents
Safety System For Remove a Rider From a Vehicle by Deploying a Parachute
Methods and apparatus for reducing the velocity of a rider in or on an open cockpit vehicle when the rider is thrown from the vehicle.
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 |
| 7235706 | Process for preparing light olefins by dehydrogenation of the corresponding paraffins A process for preparing light olefins from corresponding paraffins consists of reacting said paraffins in a reactor, operating at a temperature of between 450 and 800° C., a pressure of between 0.1 and 3 atm absolute and a GHSV of between 100 and 10000 h−1 | 06/26/2007 |
| 6677494 | Process and device for the production of aromatic compounds including a reduction of the catalyst The invention relates to a process for the production of aromatic compounds from a hydrocarbon fraction with a catalyst the preferably circulates in a moving bed. In the process, a hydrocarbon feedstock that is treated by a hydrogen-rich gas is transforme... | 01/13/2004 |
| 6660895 | Process for the production of aromatic compounds in a moving bed including a reduction of the catalyst A moving bed process for producing aromatic compounds comprises at least a first step in which principally naphthene dehydrogenation is carried out in the presence of hydrogen in a mole ratio (H2)1 /(HC), said step being followed by ... | 12/09/2003 |
| 5873994 | Process for aromatization of a cracked gasoline feedstock using a catalyst containing an acid leached zeolite and tin An aromatization process for converting a portion of a cracked gasoline feedstock to aromatics utilizing a catalyst comprising an acid leached zeolite and tin under process conditions suitable for converting a portion of the cracked gasoline feedstock to ... | 02/23/1999 |
| 5744671 | Process for the preparation of an alkyl benzene The invention relates to a process for the preparation of an alkyl benzene by catalytic dehydrogenation of the corresponding alkenyl cyclohexene in the gas phase in the presence of a diluent. A characteristic feature is that at least a part of the alkyl c... | 04/28/1998 |
| 5659099 | Activated zeolite beta and its use for hydrocarbon conversion The present invention relates to a zeolite beta catalyst characterized by critical limits of weak and strong acid species and exceptionally high catalytic activity. The catalyst is activated at a temperature effective to substantially reduce the concentra... | 08/19/1997 |
| 5557022 | Aromatization process A non-aromatic organic compound is converted into aromatic hydrocarbons by a process in which the non-aromatic organic compound is contacted with a diamond-like carbonaceous catalyst at a temperature of 200°-1,500° C. The catalyst is a carbonaceous mate... | 09/17/1996 |
| 5449848 | Dehydrogenation process A dehydrogenation apparatus comprising a dehydrogenation reaction chamber and a hydrogen combustion chamber adjoining to the dehydrogenation chamber through a hydrogen-permeable membrane, wherein the dehydrogenation reaction chamber has a tube for introdu... | 09/12/1995 |
| 5401892 | Preparation of a dimethyltetralin by cyclizing an orthotolylpentene phenylhexene using an ultra-stable crystalline aluminosilicate molecular sieve y-zeolite A method for preparing one or more specific dimethyltetralins from either 5-(o-, m-, or p-tolyl)-pent-1- or -2-ene or 5-phenyl-hex-1- or -2-ene, and optionally for preparing one or more specific dimethylnaphthalenes from the aforesaid dimethyltetralins is... | 03/28/1995 |
| 5347027 | Noble metal supported on a base metal catalyst The present invention provides an electroless process for making a catalyst in a liquid or gaseous medium comprising contacting a base metal with a chemical cleaning agent and simultaneously or sequentially treating said base metal under reducing conditio... | 09/13/1994 |
| 5321180 | Conversion of vinylcyclohexene to ethylbenzene Vinylcyclohexene is converted to ethylbenzene by contacting vinylcyclohexene with an alkali metal, liquid ammonia and an initiator. The method of the present invention allows the reaction to be conducted in a single step while selectively producing ethylb... | 06/14/1994 |
| 5292978 | Selective cycloalkylation of naphthalene on zeolites A method of cycloalkylating naphthalene with at least one cyclic group, characterized by the following points: a) as catalyst, there is used a zeolite of faujasite structure having pore openings greater than 6.7 Å, the silica/alumina ratio of this zeolite ... | 03/08/1994 |
| 5284987 | Preparation of a dimethyltetralin in a distillation reactor A method for the acid catalyzed cyclization of an alkenylbenzene feedstock to a dimethyltetralin in a liquid phase reaction wherein the desired dimethyltetralin is removed from the reaction mixture by distillation simultaneously with the addition of the f... | 02/08/1994 |
| 5276234 | Process for producing 2-methylnaphthalene The invention provides a process for producing 2-methylnaphthalene by isomerization of 1-methylnaphthalene in which a Y zeolite having a unit cell constant of less than or equal to 24.37 Å (10-10 m) is used as an isomerization catalyst. Since ... | 01/04/1994 |
| 5189234 | Selective dehydrogenation processes and catalysts A process for selectively dehydrogenating organic compounds, and particularly for dehydrogenating dimethyltetralins to dimethylnaphthalenes, by contacting the organic compound at an elevated temperature with a catalyst prepared by treating a composition c... | 02/23/1993 |
| 5073670 | Preparation of a dimethyltetralin A method for preparing one or more specific dimethyltetralins from either 5-(o-, m-, or p-tolyl)-pent-1-or -2-ene or 5-phenyl-hex-1- or -2-ene, and optionally for preparing one or more specific dimethylnaphthalenes from the aforesaid dimethyltetralins is ... | 12/17/1991 |
| 5012024 | Preparation of a dimethylnaphthalene A method for preparing one or more dimethylnaphthalenes from one or more dimethyltetralins, and optionally for preparing one or more other specific dimethylnaphthalenes by isomerization of the aforesaid dimethylnaphthal-dimethylnaphthalene(s) is disclosed... | 04/30/1991 |
| 4950825 | Preparation of a dimethyltetralin A method for preparing one or more specific dimethyltetralins from either 5-(o-, m-, or p-tolyl)-pent-1- or -2-ene or 5-phenyl-hex-1- or -2-ene, and optionally for preparing one or more specific dimethylnaphthalenes from the aforesaid dimethyltetralins is... | 08/21/1990 |
| 4922051 | Process for the conversion of C2 -C12 paraffinic hydrocarbons to petrochemical feedstocks A process is disclosed for the conversion of C2 -C12 paraffinic hydrocarbons to more valuable petrochemical feedstocks including C2 -C4 olefins and C6 -C8 aromatics in the presence of a com... | 05/01/1990 |
| 4827070 | Process for the production of isobutylbenzene from an isobutenylcyclohexene An isobutylbenzene (IBB) is produced from an isobutenylcyclohexane (IBCH) by contacting at elevated temperature the IBCH in the presence of a molecular oxygen-containing gas with a catalyst comprising a supported transition metal in the form of the elemen... | 05/02/1989 |
| 4644089 | Catalytic reforming of hydrocarbons A process is provided for converting alkanes and cycloalkanes having up to 20 carbon atoms per molecule to a product comprising hydrogen gas and dehydrogenated and/or dehydrocyclized hydrocarbons, in the presence of a catalyst composition comprising vanad... | 02/17/1987 |
| 4593133 | Zeolite L A zeolite related to zeolite L and having a characteristic cylindrical morphology may be prepared from a crystallization gel comprising (in mole ratios of oxides): K2 O/SiO2 : 0.22-0.36 H2 O/K2 O: 25-90 SiO2 | 06/03/1986 |
| 4478814 | Gas transporting system A first gas produced or supplied at a first location is reacted (combined) with a selected reactant in a reversible chemical reaction to produce a gaseous reaction product which is converted to liquid-form and conveyed, as a liquid, to a second location r... | 10/23/1984 |
| 4447665 | Dehydrogenation reactions A method is disclosed for dehydrogenating a parafinic or naphthenic compound and for dehydrocyclizing a paraffinic compound comprising a straight chain of at least 5 carbon atoms, comprising: contacting an aforesaid compound under dehydrogenation conditio... | 05/08/1984 |
| 4441988 | Catalytic reformer process A catalytic reformer process for the production of hydrogen and a product of enhanced aromatic content comprises the utilization of a plurality of reactor stages wherein the heat in the effluent from the terminal adiabatic stage of a conventional adiabati... | 04/10/1984 |
| 4434311 | Conversion of alkycyclopentanes to aromatics A method is disclosed for the dehydroisomerization of alkylcyclopentanes using a catalyst comprising a large-pore zeolite, a Group VIII metal, and an alkaline earth metal.... | 02/28/1984 |
| 4413154 | Diels-Alder cyclodimerization over a carbon molecular sieve catalyst The present invention provides a process which is adapted for cyclodimerization of 1,3-butadiene to 4-vinylcyclohexene under Diels-Alder conditions in the presence of a large-pore carbon molecular sieve.... | 11/01/1983 |
| 4382152 | Process for the conversion of terpenes to cymenes There is disclosed a process for the conversion of terpenes to cymenes which comprises contacting at least one terpene, selected from the group comprised of mono- and bi-cyclic unsaturated hydrocarbons having the formula C10 H16 ; wi... | 05/03/1983 |
| 4367358 | Method for the production of ethylbenzene A method for the production of ethylbenzene by catalytic dehydrogenation of cycloolefins having 8 carbon atoms and two double bonds which is present in a styrene stream. The method is carried out at a temperature from about 160° C. to about 450° C. by p... | 01/04/1983 |
| 4339350 | Catalyst prepared from tungsten hexafluoride and water A catalyst is prepared by reacting tungsten hexafluoride with water in a molar ratio of 2:1 to 20:1. This catalyst can be used to oligomerize 1-butene to produce synthetic hydrocarbon oils.... | 07/13/1982 |
| 4324935 | Special conditions for the hydrogenation of heavy hydrocarbons For thermally cracking heavy liquid hydrocarbons to produce gaseous olefins comprising a catalytic hydrogenating pretreatment, a separation of the hydrogenation product into a lighter fraction and a heavier fraction; passing the heavier fraction at least ... | 04/13/1982 |
| 4308413 | Process for the preparation of alkylbenzenes A method for the preparation of an alkyl benzene by dehydrogenation of the corresponding alkenyl cyclohexene in the presence of carrier borne noble metal catalyst wherein a non-acidic material is used as the catalyst carrier and the reaction is initially ... | 12/29/1981 |
| 4292456 | Oxydehydrogenation process for preparing indenes An oxydehydrogenation process for producing indene and substituted indenes from indene precursors more saturated than indene is described and comprises contacting said precursor with oxygen and a catalyst comprising cobalt oxide and molybdenum oxide at an... | 09/29/1981 |
| 4292455 | Multi-stage dehydrogenation process for preparing indene A multi-stage dehydrogenation process for preparing indene and substituted indenes from indene precursors more saturated than indene is described. The process comprises the steps of (a) contacting said indene precursor in a first dehydrogenation zone with a ... | 09/29/1981 |
| 4291181 | Indenes from tetrahydroindenes A dehydrogenation process for producing indene and substituted indenes from tetrahydroindene or substituted tetrahydroindene is described and comprises contacting said tetrahydroindene or substituted tetrahydroindene with a catalyst comprising cobalt oxid... | 09/22/1981 |
| 4291180 | Co-production of indene and styrene A process for the co-production of indene and styrene from a mixture of cyclopentadiene or dicyclopentadiene and butadiene is disclosed. The process comprises the steps of reacting cyclopentadiene or dicyclopentadiene with butadiene in a Diels-Alder react... | 09/22/1981 |
| 4268706 | Hydrocarbon dehydrogenation method and nonacidic multimetallic catalytic composite for use therein Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at dehydrogenation conditions, with a catalytic composite comprising a combination of catalytically effective amounts of a platinum group component, a cobalt component, and a tantalum co... | 05/19/1981 |
| 4263457 | Process for producing biphenyl derivatives A process for producing a halobiphenyl derivative represented by the following formula (I) comprises dehydrogenating a cyclohexylhalobenzene represented by the following formula (II) under such conditions that substantially no dehalogenation occurs. ... | 04/21/1981 |
| 4218571 | Olefin hydrogenation over synthetic amorphous silica Hydrogenation-dehydrogenation of suitable feedstock is provided wherein such feedstock is subjected to hydrogenation-dehydrogenation conditions in the presence of a catalytic amount of a solid containing, at least in part, a synthetic amorphous solid prep... | 08/19/1980 |
| 4197416 | Method of dehydrogenation with a nonacidic multimetallic catalytic composite Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at dehydrogenation conditions, with a nonacidic catalytic composite comprising a combination of catalytically effective amounts of a platinum group component, a rhenium component, a coba... | 04/08/1980 |
