Bizarre Patents
A kissing shield comprised of a thin, flexible membrane and a frame or holder.
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 |
| 7384538 | Catalyst combination for the hydroisomerization of waxy feeds at low pressure A process for the hydroisomerization of a waxy feed having a major portion boiling above 650° F. to produce a lubricating base oil having a lower pour point, said process comprising (a) passing the waxy feed along with hydrogen gas through a hydroisomerization zone... | 06/10/2008 |
| 7022889 | Isomerization process using novel catalyst A process for the isomerization of a feedstream comprising C5–C6 hydrocarbons where the process involves charging hydrogen and a feedstream comprising at least normal C5–C6 hydrocarbons into an isomerization zone and c... | 04/04/2006 |
| 7015175 | High-activity isomerization catalyst and process A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a sulfated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a first component of... | 03/21/2006 |
| 6979396 | Combination reforming and isomerization process A reforming and isomerization process has been developed. A reforming feedstream is charged to a reforming zone containing a reforming catalyst and operating at reforming conditions to generate a reforming zone effluent. Hydrogen and an isomerization feedstream is c... | 12/27/2005 |
| 6936565 | Modified carbide and oxycarbide containing catalysts and methods of making and using thereof Compositions including modified carbide-containing nanorods and/or modified oxycarbide-containing nanorods and/or modified carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous structures including modified oxyca... | 08/30/2005 |
| 6855857 | Isomerisation process A process for the production of triptane, said process comprising: isomerising a hydrocarbon feedstock by containing said feedstock with an isomerisation catalyst at a reaction temperature of −50 to 25° C., and a contact time of 0.01 to 150 hours, such that the t... | 02/15/2005 |
| 6822130 | Isomerization catalyst with a specific pore size distribution A catalyst composition comprising an alumina carrier, a Group VIII noble metal, and a halogen compound wherein the catalyst composition has total pore volume of more than 0.48 ml/g and wherein at least 50% of this total pore volume resides in pores with a diameter s... | 11/23/2004 |
| 6797853 | Process of paraffin hydrocarbon isomerisation catalysed by an ionic liquid in the presence of a cyclic hydrocarbon additive A process for the conversion of linear and/or branched paraffins hydrocarbons, catalysed by an ionic liquid catalyst, in the presence of a cyclic hydrocarbon additive containing a tertiary carbon atom. The presence of the specific hydrocarbon additives influences th... | 09/28/2004 |
| 6673977 | Procedure and device for the alkylation of isobutane by light olefins A procedure for the alkylation of isobutane by olefinic hydrocarbons, in which a first hydrocarbon charge (3) rich in isobutane is put in contact with a second hydrocarbon charge rich in light olefins (2), under conditions that will provoke the alkylation... | 01/06/2004 |
| 6573417 | Fractionation of paraffin isomerization process effluent The fractional distillation performed as part of the isomerization of C5 -C6 paraffins is heat integrated. A portion of a sidedraw recycle stream is employed to cool the feed to a deisohexanizer column and then returned to a lower po... | 06/03/2003 |
| 6503465 | Two-stage isomerization of saturated C6 hydrocarbons A process and/or system is provided for isomerizing a hydrocarbon feedstock comprising saturated C6 hydrocarbons by contacting the hydrocarbon feedstock, in the presence of hydrogen and optionally a chloride, with a first isomerization catalyst... | 01/07/2003 |
| 6320089 | Paraffin-isomerization catalyst and process An improved catalyst is disclosed for the conversion of hydrocarbons. The catalyst comprises an alumina support, a Friedel-Crafts metal halide, and a platinum-group metal component, wherein the support comprises primarily eta alumina and a small amount of... | 11/20/2001 |
| 6297418 | Catalyst based on a halogenated alumina, its preparation and use for the isomerization of normal C4-C6 paraffins The invention concerns a catalyst containing at least one halogen, at least one metal from group VIII and a formed support comprising gamma alumina and optionally eta alumina, the catalyst being characterized in that the smallest average dimension of said... | 10/02/2001 |
| 6140547 | Isomerization of hydrocarbons An isomerization process for converting an isomerization feed stream containing alkanes having about 4 carbon atoms to about 10 carbon atoms per molecule and cycloalkanes having about 5 carbon atoms to about 10 carbon atoms per molecule to at least one pr... | 10/31/2000 |
| 6133496 | Two-stage isomerization of saturated C.sub. 6 hydrocarbons A process and/or system is provided for isomerizing a hydrocarbon feedstock comprising saturated C6 hydrocarbons by contacting the hydrocarbon feedstock, in the presence of hydrogen and optionally a chloride, with a first isomerization catalyst... | 10/17/2000 |
| 6121186 | Catalyst based on a halogenated alumina, its preparation and use for the isomerization of normal C4 -C6 paraffins The invention concerns a catalyst composed of at least one halogen, at least one metal from group VIII and a formed support of gamma alumina and optionally eta alumina, the catalyst being characterized in that the smallest average dimension of said suppor... | 09/19/2000 |
| 6110859 | Hybrid catalyst system for converting hydrocarbons and a method of making and using such catalyst system A catalyst system comprising a first solid material comprising activated carbon and at least one carburized transition metal; and a second solid material comprising at least one halogen component and alumina, and a method of preparing such catalyst system... | 08/29/2000 |
| 6090992 | Isomerization catalyst system, method of making and method of using such catalyst system in the isomerization of saturated hydrocarbons A catalyst system comprising alumina, at least one carburized transition metal, and at least one halogen component, and a method of preparing such catalyst system which comprises incorporating at least one transition metal compound into alumina thereby fo... | 07/18/2000 |
| 5811630 | PSA process with reaction for reversible reactions A process is disclosed for the production of a high octane product from a feed mixture comprising C5 -C6 normal paraffins in which an equilibrium reaction to produce mono and dimethyl branched paraffins is achieved by conducting the ... | 09/22/1998 |
| 5770783 | Alkane isomerization using reversible flow reactive chromatography A process to isomerize at least one normal or mono-methyl-branched alkane containing from about 6 to about 8 carbon atoms to form at least one multi-methyl-branched alkane has been developed. The normal or mono-methyl-branched alkane is introduced to a re... | 06/23/1998 |
| 5763732 | Method of isomerizing N-paraffins into isoparaffins A method of isomerizing n-paraffins into isoparaffins in a cut of hydrocarbons with four carbon atoms or of hydrocarbons with five and/or six carbon atoms. The cut being processed enters at least one reactor containing a stationary catalyst bed. The charg... | 06/09/1998 |
| 5763730 | Process for alkane isomerization using reactive chromatography A process for the continuous isomerization of an alkane to produce an isomerized product through contacting the alkane with a simulated moving bed acting as a catalyst for isomerization and an adsorbent for the alkanes has been developed. The alkane may b... | 06/09/1998 |
| 5744683 | Process for continuous reaction and deparation using reactive chromatography A process for the continuous isomerization of an alkane to produce an isomerized product through contacting the alkane with a simulated moving bed acting as a catalyst for isomerization and an adsorbent for the alkanes has been developed. The alkane may b... | 04/28/1998 |
| 5744684 | Process for alkane isomerization using reactive chromatography and reactive desorbent A process for isomerizing a mixture of alkanes containing pentanes and at least one alkane having from 6 to about 8 carbon atoms and no more than one methyl branch has been developed. The process includes: 1) separating the mixture in a first separation z... | 04/28/1998 |
| 5705730 | Isomerization process with improved chloride recovery A process for the isomerization of hydrocarbons using a chloride promoted catalyst wherein an adsorption zone arrangement operates to maintain chloride compounds in the reaction zone and to prevent contamination of product streams with chloride compounds ... | 01/06/1998 |
| 5705731 | Reactivation of hydrocarbon isomerization catalysts In a process for isomerizing C4 -C7 alkanes and/or C6 -C7 cycloalkanes which is carried out in the presence of hydrogen gas, a chloride additive (e.g., CCl4 or C2 Cl4) and a supp... | 01/06/1998 |
| 5654247 | Method for the reactivation of a deactivated hydrocarbon isomerization catalyst Described is a novel method by which the activity of a deactivated or partially deactivated paraffin isomerization catalyst is enhanced or reactivated. The isomerization catalyst undergoes a deactivation period followed by a reactivation period during whi... | 08/05/1997 |
| 5639933 | Isomerization catalyst and use thereof in alkane/cycloalkane isomerization A catalyst composition is prepared by a method comprising impregnating alumina with at least one platinum compound, followed by calcining, reducing treatment, and heating with gaseous aluminum chloride and gaseous titanium tetrachloride. The thus-prepared... | 06/17/1997 |
| 5578196 | Process for reducing the benzene content of petrols The invention concerns a process for reducing the benzene content of petrol fractions, in which hydrogenation is carried out on a feed with the following composition by weight: 40% to 80% of paraffins, 0.5% to 7% of cyclic hydrocarbons and 6% to 45% of ar... | 11/26/1996 |
| 5530172 | Process for alkane isomerization using reactive chromatography A process for the continuous isomerization of an alkane to produce an isomerized product through contacting the alkane with a simulated moving bed acting as a catalyst for isomerization and an adsorbent for the alkanes has been developed. The alkane may b... | 06/25/1996 |
| 5530173 | Process for alkane isomerization using reactive chromatography and reactive desorbent A process for isomerizing a mixture of alkanes containing pentanes and at least one alkane having from 6 to about 8 carbon atoms and no more than one methyl branch has been developed. The process includes: 1) separating the mixture in a first separation z... | 06/25/1996 |
| 5516963 | Hydrocarbon conversion with additive loss prevention An adsorption arrangement in combination with a catalytic hydrocarbon conversion process suspends non-hydrocarbon materials that act to enhance the operation of the conversion zone by using an adsorption zone arrangement to keep the compounds in recircula... | 05/14/1996 |
| 5474964 | Hydrocarbon isomerization catalyst and use thereof A catalyst composition is prepared by a method comprising impregnating alumina with at least one dissolved titanium compound (preferably a triethanolamine titanate) and at least one platinum compound, followed by treatment (at specific temperature conditi... | 12/12/1995 |
| 5463166 | Reactivation of alkane isomerization catalysts A process for reactivating a used n-alkane (preferably n-butane) isomerization catalyst comprising platinum, chlorine and a support material comprises contacting the catalyst with flowing hydrogen gas for at least about 1 hour at a temperature of below ab... | 10/31/1995 |
| 5446230 | Chlorinated, alumina-based, bimetallic catalyst and its use in the isomerization of C4 -C6 paraffins A catalyst is provided based on chlorinated eta alumina incorporating platinum and germanium and tin, as well as chlorine. This catalyst can be used in a process for the isomerization of a charge rich in normal C4 -C6 -paraffins, wit... | 08/29/1995 |
| 5382731 | Combined paraffin isomerization/ring opening process There is provided a process for ring opening of aromatics or cycloaliphatics, as well as isomerization of aliphatics. The feedstream to this process comprises hydrocarbons having 6 carbon atoms. The process involves the use of a recycle stream containing ... | 01/17/1995 |
| 5336834 | Hydrocarbon conversion with additive loss prevention An adsorption arrangement in combination with a catalytic hydrocarbon conversion process suspends non-hydrocarbon materials that act to enhance the operation of the conversion zone by using an adsorption zone arrangement to keep the compounds in recircula... | 08/09/1994 |
| 5334792 | Combined paraffin isomerization/ring opening process for c5+naphtha There is provided a process for ring opening of aromatics and cycloaliphatics, as well as isomerization of aliphatics. The feedstream to this process comprises hydrocarbons having 6 carbon atoms. The process involves the use of at least two reactors conne... | 08/02/1994 |
| 5326926 | Isomerization with improved RVP and C4 recovery A process for the isomerization of C4 -C6 paraffins that separates a low boiling or overhead fraction from a stabilizer in a stripping zone and provides a low RVP isomerization product and simplifies the recovery of LPG components. T... | 07/05/1994 |
| 5326925 | Isomerization process for 2,3-dimethylbutane production An isomerization process maximizes the production of 2,3-dimethylbutane by using an arrangement of two reaction zones that operate at low conversion conditions to maximize the production of a methyl pentane containing intermediate and limit the interconve... | 07/05/1994 |
