Celebrity Inventors
Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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 |
| 7923593 | Process for producing a middle distillate A process for producing a middle distillate or a middle distillate blending component, comprising contacting a feed comprising an olefin, an isoparaffin, and less than 5 wt % oligomerized olefin, in an ionic liquid alkylation zone with an acidic haloaluminate ionic ... | 04/12/2011 |
| 7923594 | Process for producing middle distillate by alkylating C5+ isoparaffin and C5+ olefin An alkylation process, comprising providing an isoparaffin feed that comprises at least 20 wt % C5+, providing a hydrocarbon stream that comprises at least 20 wt % C5+ olefins, and contacting the isoparaffin feed and the hydrocarbon stream with an ionic liquid catal... | 04/12/2011 |
| 7919663 | Process for producing a low volatility gasoline blending component and a middle distillate A process for producing a low volatility gasoline blending component and a middle distillate, comprising alkylating a hydrocarbon stream comprising at least one olefin having from 2 to 6 carbon atoms and at least one paraffin having from 4 to 6 carbon atoms with an ... | 04/05/2011 |
| 7919664 | Process for producing a jet fuel A process for producing a jet fuel, comprising contacting an olefin and an isoparaffin with an unsupported catalyst system comprising an ionic liquid catalyst and a halide containing additive in an alkylation zone under alkylation conditions to make an alkylate prod... | 04/05/2011 |
| 7528289 | Isoparaffin-olefin alkylation A novel alkylation catalyst is described which is used in processes for alkylating olefin hydrocarbons with isoparaffin hydrocarbons to produce high octane alkylate products suitable for use as a blending component of gasoline motor fuel. The novel catalyst comprise... | 05/05/2009 |
| 7495144 | Alkylation process using an alkyl halide promoted ionic liquid catalyst A process for the production of a high quality gasoline blending components from refinery process streams by the alkylation of light isoparaffins with olefins using an ionic liquid catalyst is disclosed. The alkylation process comprises contacting a hydrocarbon mixt... | 02/24/2009 |
| 7371918 | Alkylation process with settler effluent recycle A system and/or process for increasing the isobutane to olefin ratio in an alkylation process/system is disclosed. The system and/or process includes provisions for charging a portion of the settler effluent as a feed to at least one reaction zone downflow from the ... | 05/13/2008 |
| 7038099 | Environmentally safe alkylation of aliphatic and aromatic hydrocarbons with olefins using solid HF-equivalent catalysts A method of alkylating aliphatic or aromatic hydrocarbons with olefins using solid hydrogen fluoride-equivalent catalysts is described. Preferred catalysts comprise solid polymeric onium polyhydrogen fluoride complexes. ... | 05/02/2006 |
| 6906208 | Mesoporous material and use thereof for the selective oxidation of organic compounds A material especially useful for the selective oxidation of hydrocarbons and other organic compounds includes a non-crystalline, porous inorganic oxide having at least 97 volume percent mesopores based on micropores and mesopores, and at least one catalytically acti... | 06/14/2005 |
| 6552241 | Alkylation process A system and/or process for removing water from an alkylation catalyst mixture of an alkylation process is disclosed. The process includes passing an alkylation reaction zone effluent to a settler for separation into a hydrocarbon phase and a catalyst mix... | 04/22/2003 |
| 6426441 | Method for reducing organic fluoride levels in hydrocarbons A system and/or process for decreasing the level of at least one organic fluoride present in a hydrocarbon mixture by first passing the hydrocarbon mixture to an eductor and educting into the hydrocarbon mixture a catalyst comprising a volatility reducing... | 07/30/2002 |
| 6018088 | Superacid catalyzed formylation-rearrangement of saturated hydrocarbons A method is disclosed for producing branched aliphatic ketones in hydrocarbon mixtures from isoalkanes by a superacid catalyzed formylation-rearrangement reaction. The method can be used to simultaneously isomerize, if necessary, and formylate hydrocarbon... | 01/25/2000 |
| 5948947 | Alkylation process with separate rejection of light and heavy acid soluble oils An HF-agent complex, such as HF-pyridine complex where the complexing agent is pyridine, is recovered and recycled from a by-product stream containing ASO, and ASO is rejected from the by-product stream, in an alkylation process using the complex.... | 09/07/1999 |
| 5877382 | Alkylation catalyst regeneration Disclosed is a process for removing acid soluble oils, produced as an undesirable by-product of an HF (catalyzed alkylation reaction, from a fluid containing a sulfone compound. The process includes the use of hydrocarbons to remove ASO from the sulfone-c... | 03/02/1999 |
| 5811627 | Alkylation reactions Improved acid catalyzed alkylation reactions occur for the addition of a hydrocarbyl reactant to an alkene, by the optimized addition of an oxidizing agent, such as a peroxide, molecular oxygen, ozone, peracid, and one or more of the peroxide, molecular o... | 09/22/1998 |
| 5792896 | Isoparaffin-olefin alkylation An alkylation process for reacting alkylatable hydrocarbons in the presence of a sulfolane and hydrofluoric acid catalyst within a natural circulation reaction and circulation system.... | 08/11/1998 |
| 5767335 | Method for preventing the accumulation of light ASO in the alkylation catalyst of alkylation process system Disclosed is an alkylation process which utilizes a mixture of sulfone and hydrogen fluoride as an alkylation catalyst. The process provides for the removal of light ASO from the alkylation catalyst that accumulates therein as a result of the inability to... | 06/16/1998 |
| 5763728 | Recovery and recycle of HF-amine complex in HF alkylation An HF-agent complex, such as HF-pyridine complex where the complexing agent is pyridine, is recovered and recycled from a by-product containing stream in an alkylation process using the complex by (a) selectively removing a portion of the HF from the by-p... | 06/09/1998 |
| 5759937 | Method for regeneration of a hydrogen fluoride alkylation catalyst containing sulfone, water, and ASO Disclosed is an alkylation process which utilizes a mixture of sulfone and hydrogen fluoride as an alkylation catalyst. The process provides for the removal of ASO and water from the alkylation catalyst that accumulates therein while minimizing the loss o... | 06/02/1998 |
| 5723715 | Isoparaffin-olefin alkylation A novel alkylation catalyst is described which is used in processes for alkylating olefin hydrocarbons with isoparaffin hydrocarbons to produce high octane alkylate products suitable for use as a blending component of gasoline motor fuel. The novel cataly... | 03/03/1998 |
| 5689030 | Method for prolonging the life of alkylation product stream defluorinator beds A method for prolonging the life of a defluorinator material contained within an alkylation process product stream defluorination zone used to remove organic fluorides from a product stream produced by an alkylation process that utilizes an alkylation cat... | 11/18/1997 |
| 5663474 | Alkylation process using hydrogen fluoride-containing alkylation catalysts This invention relates to catalysts for alkylation reactions and their preparation. More particularly, the invention relates to an alkylation process using a hydrogen fluoride-containing alkylation catalyst, which catalyst may be safely and easily handled... | 09/02/1997 |
| 5654251 | Isoparaffin-olefin alkylation A novel alkylation catalyst is described which is used in processes for alkylating olefin hydrocarbons with isoparaffin hydrocarbons to produce high octane alkylate products suitable for use as a blending component of gasoline motor fuel. The novel cataly... | 08/05/1997 |
| 5648588 | Method for removing sulfone and hydrogen fluoride from a hydrocarbon stream and producing a sulfone product free of hydrogen fluoride Disclosed is a process for separating sulfone and hydrogen fluoride from hydrocarbon streams containing a concentration of such compounds. An extraction solvent laden with sulfone and HF is contacted with a reversible base in order to remove the HF theref... | 07/15/1997 |
| 5648587 | Method for separating sulfone from a hydrocarbon stream having a concentration of sulfone producing a dry sulfone product Disclosed is a process for separating sulfone from a hydrocarbon stream containing a small concentration sulfone by using water as an extraction solvent. The extraction solvent, laden with the removed sulfone, is further processed to separate the extracti... | 07/15/1997 |
| 5646086 | Alkylation catalyst for C4 -C5 isoparaffins using at least one C2 -C6 olefin A catalyst comprising a porous organic or mineral support, preferably silica, and an acidic phase containing B(OSO2 CF3)3 and at least one acid selected from the group formed by sulphuric acid (H2 SO4... | 07/08/1997 |
| 5639932 | Isoparaffin-olefin alkylation A novel alkylation catalyst is described which is used in processes for alkylating olefin hydrocarbons with isoparaffin hydrocarbons to produce high octane alkylate products suitable for use as blending components of gasoline motor fuel. The novel catalys... | 06/17/1997 |
| 5629466 | Method for removing amylenes from gasoline and alkylating such amylene and other olefins while minimizing synthetic isopentane production A method for removing from a gasoline pool and alkylating amylenes in the presence of a hydrogen fluoride catalyst while suppressing or inhibiting the production of synthetic isopentane during the alkylation of such amylenes by the addition of sulfone to ... | 05/13/1997 |
| 5600055 | Immobilized Lewis Acid catalysts Immobilized Lewis Acid catalyst comprising polymer having at least one Lewis Acid immobilized within the structure therein, said polymer having monomer units represented by the structural formula: ##STR1## wherein a represents about 1 to about 99 mol... | 02/04/1997 |
| 5569807 | Isoparaffin-olefin alkylation A novel alkylation catalyst is described which is used in processes for alkylating olefin hydrocarbons with isoparaffin hydrocarbons to produce high octane alkylate products suitable for use as blending components of gasoline motor fuel. The novel catalys... | 10/29/1996 |
| 5557028 | Alkylation reactions Improved acid catalyzed alkylation reactions occur for the addition of a hydrocarbyl reactant to an alkene, by the optimized addition of an oxidizing agent, such as a peroxide, molecular oxygen, ozone, peracid, and one or more of the peroxide, molecular o... | 09/17/1996 |
| 5534657 | Isoparaffin-olefin alkylation A novel alkylation catalyst is described which is used in processes for alkylating olefin hydrocarbons with isoparaffin hydrocarbons to produce high octane alkylate products suitable for use as blending components of gasoline motor fuel. The novel catalys... | 07/09/1996 |
| 5498818 | Method for suppressing the evaporation of hydrogen fluoride from a mixing of hydrogen flouride and sulfone A novel alkylation catalyst is described which is used in processes for alkylating olefin hydrocarbons with isoparaffin hydrocarbons to produce high octane alkylate products suitable for use as blending components of gasoline motor fuel. The novel catalys... | 03/12/1996 |
| 5489730 | Catalyst for alkylation of C4 -C5 isoparaffin by at least one C3 -C6 olefin The present invention relates to a catalyst comprising silica and sulphuric acid which impregnates said silica, and the use of said catalyst in catalytic alkylation of isobutane and/or isopentane in the presence of at least one olefin containing 3 to 6 ca... | 02/06/1996 |
| 5489729 | Catalyst for alkylation of C4 -C5 isoparaffin by at least one C3 -C6 olefin The present invention relates to a catalyst comprising silica and an acid phase comprising sulphuric acid and the compound HB(HSO4)4, the silica having been impregnated by said acid phase, said catalyst being such that is consists es... | 02/06/1996 |
| 5489728 | Catalyst for alkylation of C4 -C5 isoparaffin by at least one C3 -C6 olefin The present invention relates to a catalyst comprising silica and an acid phase comprising sulphuric acid and the compound HB(HSO4)4, the silica having been impregnated by said acid phase, said catalyst being such that is consists es... | 02/06/1996 |
| 5476983 | Reclamation of HF and recovery of gasoline from acid-soluble oil by cracking The present invention provides a method for reclaiming HF and producing valuable gasoline blending components from the conjunct polymeric byproducts (acid soluble oil or ASO) formed as a byproduct of acid-catalyzed isoparaffin-olefin alkylation comprising... | 12/19/1995 |
| 5475178 | Supported heteropoly acid catalysts There is provided a catalyst comprising a heteropoly acid, such as phosphotungstic acid, supported on a mesoporous crystalline material, such as M41S. A particular form of this M41S support is designated as MCM-41. There is also provided a method for prep... | 12/12/1995 |
| 5463162 | Alkylation catalyst regeneration Disclosed is a process for removing acid soluble oils, produced as an undesirable by-product of an HF catalyzed alkylation reaction, from a fluid containing a sulfone compound. The process includes the use of hydrocarbons to remove ASO from the sulfone-co... | 10/31/1995 |
| 5461183 | Removal of ASO from HF/sulfolane alkylation catalyst A method for separating conjunct polymers which are formed as byproducts of acid catalyzed isoparaffin-olefin alkylation and sulfolane from a mixture containing conjunct polymers, sulfolane, and hydrofluoric acid comprising stripping HF from the spent cat... | 10/24/1995 |
