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| Number | Title | Issue Date |
| 7429553 | Process for reducing the toxicity of hydrocarbons This invention relates to a method for reducing the toxicity of a mixture of hydrocarbons by means of fractional distillation, a distillate having a reduced toxicity and a composition including the distillate. ... | 09/30/2008 |
| 7393993 | Method for removal of acetylenes from hydrocarbon streams The process of the invention comprises contacting a hydrocarbon stream, comprising light olefins plus impurities such as acetylenes, in the absence of hydrogen with a supported copper catalyst, preferably CuO/alumina. The acetylene component undergoes a coupling rea... | 07/01/2008 |
| 7329787 | Process for transforming hydrocarbons into a fraction having an improved octane number and a fraction with a high cetane index A process is described for transforming an initial hydrocarbon feed containing 4 to 15 carbon atoms, limits included, into a hydrocarbon fraction having an improved octane number and a hydrocarbon fraction with a high cetane number. ... | 02/12/2008 |
| 7326817 | Process for reducing the toxicity of hydrocarbons This invention relates to a method for reducing the toxicity of a mixture of hydrocarbons by means of fractional distillation, a distillate having a reduced toxicity and a composition including the distillate. ... | 02/05/2008 |
| 7176342 | Method for the preparation of hydrogenated hydrocarbons A method for the preparation of hydrogenated hydrocarbons comprising a preliminary treatment of natural gas with a catalyst at a high temperature and the subsequent hydrogenation of the mixture of cyclic and/or aromatic hydrocarbons formed. ... | 02/13/2007 |
| 7087155 | Production of olefins A process for cracking an olefin-rich hydrocarbon feedstock which is selective towards light olefins in the effluent, the process comprising contacting a hydrocarbon feedstock containing olefins having a first composition of at least one olefinic component with a cr... | 08/08/2006 |
| 7030284 | Method and reactor system for converting oxygenate contaminants in an MTO reactor system product effluent to hydrocarbons Disclosed is a method and reactor system for converting oxygenate and/or olefin contaminants in a methanol to olefin reactor system product effluent to hydrocarbons, including paraffin compounds, preferably over a sulphided catalyst of the type Nickel or Cobalt comb... | 04/18/2006 |
| 7030052 | Process for hydrogenating an aromatic amine in the presence of a supported ruthenium catalyst The invention relates to a process for hydrogenating an aromatic amine that has at least one amino group bound to an aromatic nucleus with hydrogen in the presence of a supported catalyst that contains at least ruthenium as active metal. The catalyst support has a B... | 04/18/2006 |
| 7022784 | Synthetic lubricant composition and process A liquid polymer suitable for use as a lubricant base oil is produced by polymerizing ethylene and at least one alpha-olefin using a metallocene catalyst to provide a polymer which is then isomerized and hydrogenated to produce the liquid polymer. ... | 04/04/2006 |
| 6858766 | Process for selectively hydrogenating mixed phase front end C2-C10 greater unsaturated hydrocarbons The present invention provides a process for selectively hydrogenating C2-C10 greater unsaturated hydrocarbons (acetylenes and diolefins) at the upstream side of a front depropanizer or front deethanizer in an olefin production plant. After pas... | 02/22/2005 |
| 6717022 | Process for selective hydrogenation of alkynes and catalyst therefor Acetylenic compounds in olefin streams such as mixed 1,3-butadiene were selectively hydrogenated over the supported copper catalysts on highly porous supports such as alumina, silica, etc. The preferred supports have the average pore diameter larger than about 200 â... | 04/06/2004 |
| 6388149 | Process for reacting an organic compound in the presence of a supported ruthenium catalyst A process for the reaction of an organic compound in the presence of a catalyst comprising, as active metal, ruthenium alone or together with at least one Group Ib, VIIb, or VIIIb metal in an amount of from 0.01 to 30 wt %, based on the total weight of th... | 05/14/2002 |
| 6388162 | Diene removal from an olefin feedstock The invention pertains to a process of removing dienes from an olefin feedstock. A preferred olefin feedstock is for the production of primary alcohol compositions by skeletal isomerization of the olefins followed by hydroformylation. In this preferred em... | 05/14/2002 |
| 6225516 | Process for the production of linear alkylaromatic hydrocarbons Process for the production of linear alkylaromatic hydrocarbons comprising: a) dehydrogenating C10 -C14 n-paraffins; b) selectively hydrogenating the diolefins produced during step (a); c) feeding stream (b) and an aromatic hydrocarbon to an alkyla... | 05/01/2001 |
| 6005156 | Para-xylene separation process comprising pretreatment by selective hydrogenation and by activated clay In a process for the separation of p-xylene from a feed to be treated containing a mixture of xylenes and olefinic impurities, at least a portion of the feed is circulated in an enrichment zone (14) to enrich a first fraction (15) in p-xylene and provide ... | 12/21/1999 |
| 5959167 | Process for conversion of lignin to reformulated hydrocarbon gasoline A process for converting lignin into high-quality reformulated hydrocarbon gasoline compositions in high yields is disclosed. The process is a two-stage, catalytic reaction process that produces a reformulated hydrocarbon gasoline product with a controlle... | 09/28/1999 |
| 5811608 | Process for oligomer production and saturation A process for the production of saturated oligomers by the oligomerization of light olefins to heavier olefins and the saturation of the heavy olefins is improved by the recycle of the heavy paraffins to the oligomerization zone. The recycle of the heavy ... | 09/22/1998 |
| 5658453 | Integrated aromatization/trace-olefin-reduction scheme A process combination is disclosed to selectively upgrade naphtha in a manner to obtain an aromatics-rich, low-olefin product from the combination. Preferably the naphtha is subjected to aromatization to obtain an aromatics concentrate which is upgraded b... | 08/19/1997 |
| 5406011 | Process for the dehydrogenation of paraffinic hydrocarbons An improved process for the catalytic dehydrogenation of paraffinic hydrocarbons is disclosed. Feed paraffinic hydrocarbons are dehydrogenated by means of contacting the dehydrogenatable hydrocarbon with a dehydrogenation catalyst in a first dehydrogenati... | 04/11/1995 |
| 5366658 | Use of polymethylalkanes as biodegradable base oils in lubricants and functional fluids The invention relates to the use of polymethylalkanes having terminal methyl groups and methylene and ethylidene groups of the formula I ##STR1## in which the total number of C atoms n+2 m+2 is 20 to 100 and the ratio of the methyl and methylene grou... | 11/22/1994 |
| 5364997 | Process for converting multi-branched heavy hydrocarbons to high octane gasoline The present invention relates to a process for upgrading multi-branched C9 + olefinic and/or paraffinic by-products of heavy hydrocarbon upgrading processes including alkylation, polymerization, and MOGD, to high octane gasoline. Feeds rich in ... | 11/15/1994 |
| 5306852 | Process for selective hydrogenation, in particular of diolefins in steam cracking volatiles, with a catalyst in the form of beds which are used successively The invention concerns a hydrogenation process, in particular for the selective hydrogenation of diolefins in volatiles produced by steam cracking or other cracking processes, in which the catalyst is distributed in a plurality of beds. It is characterize... | 04/26/1994 |
| 5300715 | Olefin process with removal of aromatic by-products An improved process for the production of linear olefinic hydrocarbons by paraffin dehydrogenation and adsorptive separation is disclosed. Aromatic by-products normally formed in paraffin dehydrogenation are selectively removed using at least one aromatic... | 04/05/1994 |
| 5246566 | Wax isomerization using catalyst of specific pore geometry The present invention relates to a process for producing a lube oil having a low pour point and excellent viscosity and viscosity index comprising isomerizing a waxy feed over a catalyst comprising a molecular sieve having generally oval 1-D pores having ... | 09/21/1993 |
| 5210348 | Process to remove benzene from refinery streams A substantially benzene-free product suitable for gasoline blending is formed from a benzene-containing refinery stream. At least about 30% of the benzene initially present in the stream is catalytically alkylated with C2 -C4 olefins... | 05/11/1993 |
| 4983782 | Process for treating wastes and the like by low temperature carbonization and further processing of the low temperature carbonization oil Liquid phase hydrogenation of the liquid products of the low temperature carbonization of waste yields products which are free of polycyclic aromatic hydrocarbons and chlorinated hydrocarbons. The hydrogenation may be catalyzed by the low temperature coke... | 01/08/1991 |
| 4864067 | Process for hydrotreating olefinic distillate A process and reactor system is disclosed for hydrotreating a low sulfur containing olefinic distillate and conventional feedstock to a catalytic hydrodesulfurization. The process comprises passing a minor portion of the olefinic distillate to a first hyd... | 09/05/1989 |
| 4774013 | Perhydrofluorene derivatives and fluids for traction drive This invention provides a novel perhydrofluorene derivative which is represented by the following general formula and which is useful as a fluid for traction drive and a process for production of the derivative. ##STR1## wherein R1, R... | 09/27/1988 |
| 4761509 | High selectivity process for dehydrogenation of paraffinic hydrocarbons An improved process for the catalytic dehydrogenation of paraffinic hydrocarbons is disclosed. Feed paraffinic hydrocarbons are dehydrogenated to yield an olefin containing vapor stream which is partially condensed to produce a liquid phase process stream... | 08/02/1988 |
| 4755627 | Process for the synthesis and purification of diisopropenylbenzene Diisopropenylbenzene is a monomer that can be used in the preparation of many useful polymers and is also a chemical intermediate that can be employed in a number of chemical processes. Diisopropenylbenzene is normally synthesized by the dehydrogenation o... | 07/05/1988 |
| 4749820 | Integration of paraffin dehydrogenation with MOGD to minimize compression and gas plant separation Disclosed is a method and apparatus for producing gasoline and distillate grade products which employs integrating catalytic (or thermal) dehydrogenation of paraffins with MOGD to minimize interstage compression and gas plant separation cost. The process ... | 06/07/1988 |
| 4678645 | Conversion of LPG hydrocarbons to distillate fuels or lubes using integration of LPG dehydrogenation and MOGDL A method and apparatus for producing distillate and/or lubes employs integrating catalytic (or thermal) dehydrogenation of paraffins with MOGDL. The process feeds the product from a low temperature propane and/or butane dehydrogenation zone into a first c... | 07/07/1987 |
| 4623443 | Hydrocarbon conversion A hydrocarbon conversion process wherein metal-coated or metal-contaminated cracking catalyst is regenerated, reduced and then used to hydrogenate an olefin.... | 11/18/1986 |
| 4618686 | Process for dehalogenation of aryl and alpha-araliphatic halides Process for the dehalogenation of aryl and alpha-araliphatic halides comprising contacting the aryl halide or alpha-araliphatic halide with hypophosphite salt, in the presence of a catalytic amount of a noble metal catalyst. This process is useful in the ... | 10/21/1986 |
| 4547602 | Reactor sequencing system for converting oxygenates to hydrocarbons An integrated process is provided for converting methanol or the like to heavy hydrocarbon products, especially distillate range hydrocarbons. In a first stage catalytic process oxygenate feedstock is converted to lower olefins, which are passed through a... | 10/15/1985 |
| 4542247 | Conversion of LPG hydrocarbons to distillate fuels or lubes using integration of LPG dehydrogenation and MOGDL Disclosed is a method and apparatus for producing distillate and/or lubes which employ integrating catalytic (or thermal) dehydrogenation of paraffins with MOGDL. The process feeds the product from a low temperature propane and/or butane dehydrogenation z... | 09/17/1985 |
| 4528413 | Process for the synthesis and purification of diisopropenylbenzene Diisopropenylbenzene is a monomer that can be used in the preparation of many useful polymers and is also a chemical intermediate that can be employed in a number of chemical processes. Diisopropenylbenzene is normally synthesized by the dehydrogenation o... | 07/09/1985 |
| 4528411 | Diesel fuel and gasoline production Process for producing high quality gasoline and diesel fuel from C3 and C4 olefinic cuts, such as those obtained by dehydrogenation of lower alkanes, comprising the steps of (a) polymerizing a C3 olefinic cut to obtain a p... | 07/09/1985 |
| 4523045 | Process for converting paraffins to olefins A process is disclosed for the production of linear olefinic hydrocarbons. A feed stream of paraffins is fed to a catalytic dehydrogenation reaction zone. Liquid phase hydrocarbons withdrawn from the dehydrogenation reaction zone are passed through a diol... | 06/11/1985 |
| 4520214 | High selectivity process for dehydrogenation of paraffinic hydrocarbons An improved process for the catalytic dehydrogenation of paraffinic hydrocarbons is disclosed. Feed paraffinic hydrocarbons are dehydrogenated to yield an olefin-containing vapor stream, which is partially condensed to produce a liquid phase process strea... | 05/28/1985 |
