Bizarre Patents
Combination Beverage Container and Spittoon
A combination beverage container and spittoon includes a bottom portion including outer wall and a first inner wall defining a spittoon space.
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 |
| 7652187 | Sulfuric acid alkylation process A process for the sulfuric acid catalyzed alkylation of C3-C5 olefins with isobutane is disclosed wherein the requisite mixing is accomplished by the use of eductors within the reactor. In addition the alkylate product is subjected to primary and secondary coalescer... | 01/26/2010 |
| 7319180 | Paraffin alkylation A process for the alkylation of alkane with olefin or olefin precursor such as an oligomer of tertiary olefin comprising contacting a liquid system comprising acid catalyst, isoparaffin and olefin in concurrent downflow into contact in a reaction zone with a dispers... | 01/15/2008 |
| 7294420 | Production of hydrogen A method of producing hydrogen for a fuel cell from a hydrocarbon fuel composition, by providing a hydrocarbon fuel composition, which is obtained by contacting a liquid hydrocarbon feed comprising an alkylating agent with an acidic catalyst, under conditions effect... | 11/13/2007 |
| 7250542 | Paraffin alkylation A process for the alkylation of alkane with olefin or olefin precursor such as an oligomer of tertiary olefin comprising contacting a liquid system comprising acid catalyst, isoparaffin and olefin in concurrent downflow into contact in a reaction zone with a dispers... | 07/31/2007 |
| 7161052 | Process for the valorization of a charge of hydrocarbons and for reducing the vapor pressure of said charge A process is described for the valorization of a charge of hydrocarbons and for reducing the vapour pressure of said charge, comprising three steps: a step a) consisting of separating said charge of hydrocarbons into a fraction (O1) comprising essentially compounds ... | 01/09/2007 |
| 7126038 | Method of removing entrained sulfuric acid from alkylate An improvement in the alkylation of olefins with isoalkanes in the presence of sulfuric acid wherein the sulfuric acid is removed from the product by a mechanical coalescer means prior to fractionation. No water wash or caustic treatment is required. Any sulfonates ... | 10/24/2006 |
| 7119244 | Method of removing organic sulfur compounds from alkylate A process for the removal of organic sulfur compounds, primarily oxygenated organic compounds, such as sulfates and sulfonic esters from a hydrocarbon liquid is disclosed which comprises contacting the hydrocarbon liquid with a coalescer comprising a mesh material w... | 10/10/2006 |
| 7087803 | Method for the recovery of perfluorinated sulphonic acid Method for the recovery of a perfluorinated sulphonic acid from a viscous organic residue by aqueous extraction of the acid from the residue in presence of a solvent containing aromatic compounds. ... | 08/08/2006 |
| 6995296 | Paraffin alkylation A process for the alkylation of alkane with olefin or olefin precursor such as an oligomer of tertiary olefin comprising contacting a liquid system comprising acid catalyst, isoparaffin and olefin in concurrent downflow into contact in a reaction zone with a dispers... | 02/07/2006 |
| 6924407 | Pressure-tuned solid catalyzed heterogeneous chemical reactions Improved methods for conducting solid acid-catalyzed, near- or supercritical heterogeneous chemical reactions (e.g., alkylation reactions) are provided which give enhanced product yields and permit longer processing runs. The preferred reactions of the invention are... | 08/02/2005 |
| 6858770 | Paraffin alkylation A process for the alkylation of alkane with olefin or olefin precursor such as an oligomer of tertiary olefin comprising contacting a liquid system comprising acid catalyst, isoparaffin and olefin in concurrent downflow into contact in a reaction zone with a dispers... | 02/22/2005 |
| 6774275 | Pulse flow reaction A method of operating a multi-phase downflow reactor so as to induce a pulsing flow regime is disclosed. The pulse may be induced by increasing the gas rate while maintaining the liquid rate until a pressure drop sufficient to induce the pulse flow is achieved. The ... | 08/10/2004 |
| 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 |
| 6531640 | Catalyst of mixed fluorosulfonic acids A catalyst comprising A) a stationary acid component selected from the group consisting of a perfluorinated ion exchange polymer on an inert support, a silane modified perfluorosulfonic acid, and a sulfated metal oxide; and B) a mobile acid component sele... | 03/11/2003 |
| 6492571 | Process for alkylation of isoparaffin with olefin This invention relates to a process for alkylation of an isoparaffin with an olefin over a solid-acid catalyst, wherein at least two parallel reactors are used at the same time. When the solid acid catalyst in one or more reactors need to be regenerated, ... | 12/10/2002 |
| 6429349 | Co-alkylation for gasoline RVP reduction Methods and apparatus that are used in an alkylation reactor system for adding low purity isopentane to alkylation reactor feed to block formation of isopentane, resulting in high incremental isopentane conversion and minimal octane and C5+ yield loss, an... | 08/06/2002 |
| 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 |
| 6420305 | Solid acid catalyst, method for producing the same and reaction method using the same A method for producting a solid acid catalyst is provided which produces a shaped material of a solid acid catalyst containing a sulfureous component but have a high activity and having a practically sufficient handleability and mechanical strength involv... | 07/16/2002 |
| 6337297 | Catalyst for trimerization of ethylene and process for trimerizing ethylene using the catalyst A catalyst for trimerization of ethylene is disclosed which comprises (a) a chromium complex having a neutral multidentate ligand having a tripod structure, represented by the formula, ACrJn Q3-n wherein A is a neutral multidentate l... | 01/08/2002 |
| 6204425 | Process for the catalytic alkylation of a hydrocarbon feed Process for the alkylation of paraffinic and/or aromatic hydrocarbon feedstock with an olefinic alkylating agent by contact with a perfluorinated alkyl sulphonic acid movably adsorbed within a confined area of a fixed bed of particle contact material, whe... | 03/20/2001 |
| 6123836 | Process for the removal of acid compounds from a hydrocarbon stream Process for the removal of acid compounds contained in a hydrocarbon process stream by passing the process stream through a fixed bed of an adsorption material at conditions where the acid compounds adsorb on the material and withdrawing a purified hydroc... | 09/26/2000 |
| 6103948 | Solid catalyzed isoparaffin alkylation at supercritical fluid and near-supercritical fluid conditions This invention relates to an improved method for the alkylation reaction of isoparaffins with olefins over solid catalysts including contacting a mixture of an isoparaffin, an olefin and a phase-modifying material with a solid acid catalyst member under a... | 08/15/2000 |
| 6096939 | Aliphatic alkylation utilizing a liquid catalyst The invention concerns the catalytic alkylation of at least one isoparaffin selected from the group formed by isobutane and isopentane in the presence of at least one olefin containing 3 to 6 carbon atoms per molecule, using a catalyst comprising 40% to 9... | 08/01/2000 |
| 5986158 | Process for alkylating hydrocarbons The invention pertains to a process for alkylating hydrocarbons in which an alkylatable organic compound is reacted with an alkylation agent to form an alkylate in the presence of a catalyst comprising a hydrogenating function and a solid acid constituent... | 11/16/1999 |
| 5969206 | Reverse emulsion aliphatic alkylation process with catalyst-olefin premixing The invention concerns a process for the alkylation of at least one isoaffin selected from the group formed by isobutane and isopentane by at least one olefin containing 2 to 6 carbon atoms per molecule in the presence of a liquid acid catalyst, the proce... | 10/19/1999 |
| 5958350 | Extraction vessel for the removal of corrosive compounds from a fluid stream A process for the removal of corrosive compounds from a fluid stream, comprising the steps of: in an extraction column with an outer steel tube and an inner tube of corrosion resistant material having an open inlet end and an open outlet end and being arr... | 09/28/1999 |
| 5942654 | Process for the removal of corrosive compounds from a fluid stream A process for the removal of corrosive compounds from a fluid stream, comprising the steps of: in an extraction column with an outer steel tube and an inner tube of corrosion resistant material having an open inlet end and an open outlet end and being arr... | 08/24/1999 |
| 5925801 | Process for preparing high-octane gasoline components, and a catalyst A process for preparing high-octane gasoline components consists in that a feed stock, composed of isobutane and olefins, preferably butylenes, in a molar ratio between 1 and 40, is contacted at temperatures of from about 50 to about 160° C. and at press... | 07/20/1999 |
| 5906957 | Solid aliphatic alkylation catalyst The invention concerns a catalyst comprising a porous organic or inorganic support and at least one active phase comprising at least one acid selected from acids with formula R--SO3 H, where R is fluorine or an alkyl group or a fluorinated alky... | 05/25/1999 |
| 5888920 | Integrated process using in situ regenerated sulfuric acid as catalyst This invention discloses an integrated process of alkylation of olefins and regeneration of spent sulfuric acid. The alkylation of olefins may be replaced by nitration of toluene or by chlor-alkali process. The sulfuric acid is used as a catalyst or a abs... | 03/30/1999 |
| 5877383 | Process for the preparation of a hydrocarbon product being rich in middle distillate hydrocarbon fractionation A process for the manufacture of a hydrocarbon mixture being rich in middle distillate products with the boiling part range of 175°-360° C. by alkylation of a hydrocarbon feed stock with an olefinic alkylating agent, comprises the steps of contacting a ... | 03/02/1999 |
| 5849978 | Liquid catalyst for aliphatic alkylation The invention concerns the catalytic alkylation of at least one isoparaffin selected from the group formed by isobutane and isopentane in the presence of at least one olefin containing 3 to 6 carbon atoms per molecule, using a catalyst comprising 40% to 9... | 12/15/1998 |
| 5849965 | Multistage alkylation process In a multistage process, a relatively unreactive paraffinic substrate is alkylated in a primary stage while a more reactive aromatic substrate is alkylated in a secondary stage wherein at least a portion of the effluent from the primary stage is used as a... | 12/15/1998 |
| 5817908 | Staged alkylation process A staged alkylation process in the presence of an acid catalyst in a fixed bed of particulate contact material in an alkylation reactor is disclosed.... | 10/06/1998 |
| 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 |
| 5777189 | Process for the alkylation of olefins Disclosed is a process for the alkylation of an olefin with an isoparaffin using sulphuric acid as a catalyst. In this process, a finely-dispersed emulsion of isoparaffin and sulphuric acid is prepared first, in a separate emulsion preparation zone. This ... | 07/07/1998 |
| 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 |
| 5750818 | Alkylation process A process for cooling unreacted hydrocarbon substrate that is recycled to an alkylation reactor and for minimizing the concentration of lower boiling hydrocarbons in such recycle.... | 05/12/1998 |
