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| Number | Title | Issue Date |
| 7399891 | Process for alcohol production by selective ether decomposition This invention relates to a process for the production of an alcohol, the process comprising (a) reacting an olefin and water in the presence of a catalyst under conditions sufficient to form a crude alcohol stream comprising alcohol, and a dialkyl ether; (b) separa... | 07/15/2008 |
| 7357902 | Process for the removal of oxygen from olefin-containing process streams Process for the removal of oxygen from a gas mixture comprising oxygen, at least one olefin, hydrogen, carbon monoxide and optionally at least one alkyne, the ratio of oxygen:hydrogen in the gas mixture being 1 part by volume of oxygen to at least 5 parts by volume ... | 04/15/2008 |
| 7282192 | Mixed metal oxide containing sulfur The invention relates to a composition of matter comprising at least one metal from Group 3, at least one metal from Group 4, sulfur and oxygen, particularly useful as a catalyst for ether decomposition to alkanols and alkenes. ... | 10/16/2007 |
| 7173158 | Mixed metal oxide containing sulfur The invention relates to a composition of matter comprising at least one metal from Group 3, at least one metal from Group 4, sulfur and oxygen, particularly useful as a catalyst for ether decomposition to alkanols and alkenes. ... | 02/06/2007 |
| 7102037 | Selective decomposition of ethers A process for selectively converting a dialkyl ether to the corresponding alkene and alkanol comprises contacting a feed containing at least one dialkyl ether with a catalyst comprising a mixed metal oxide which comprises at least one metal selected from Group 4 of ... | 09/05/2006 |
| 6797846 | Fibrous crystal aggregates, preparation method thereof and use thereof A crystal substance formed by precipitating as fibrous aggregates by making a metal aliphatic carboxylate dissolve completely in pure water, stirring, and gradually cooling the resulting solution. A method of preparing the fibrous crystal aggregates. A material for ... | 09/28/2004 |
| 6570045 | Methods of solidifying low-boiling-point hydrocarbon and handling the same, and regeneration thereof Disclosed are a method of solidifying a low-boiling-point hydrocarbon, wherein the low-boiling-point hydrocarbon (including hydrocarbons which are gaseous at ordinary temperature) is brought into contact with a metal salt of an aliphatic carboxylic acid, ... | 05/27/2003 |
| 6417415 | Methods of solidifying low-boiling-point hydrocarbon and handling the same, and regeneration thereof Disclosed are a method of solidifying a low-boiling-point hydrocarbon, wherein the low-boiling-point hydrocarbon (including hydrocarbons which are gaseous at ordinary temperature) is brought into contact with a metal salt of an aliphatic carboxylic acid, ... | 07/09/2002 |
| 5866749 | Sulfur and thiol removal from reactive hydrocarbons Sulfur and mercaptans in reactive hydrocarbon streams are removed by contacting the hydrocarbons at mild temperatures with a hydrogen reduced metal oxide such as a hydrogen reduced copper, zinc and/or aluminum oxide.... | 02/02/1999 |
| 5744685 | Unsaturated hydrocarbon separation and recovery process A process is disclosed for the separation and recovery of an unsaturated hydrocarbon from its mixture with at least one other material by the selective and reversible complexation of the unsaturated hydrocarbon using a single cubane-type cluster of pallad... | 04/28/1998 |
| 5674379 | Process for removing carbonyl-sulfide from liquid hydrocarbon feedstocks The present invention relates to a process for removing carbonyl sulfide from a liquid hydrocarbon feedstock, said process comprising the steps of (a) passing said hydrocarbon feedstock over an absorbent material comprising nickel deposited on a support m... | 10/07/1997 |
| 5639934 | Process for the desulfurization of sulfur-containing compositions by hydrothermal reaction A process for the desulfurization of a sulfur-containing composition is described. The process comprises providing a sulfur-containing composition, adding an aqueous medium and a sulfur absorbent to the composition, and subjecting the resultant mixture to... | 06/17/1997 |
| 5625116 | Process for the removal of carbon monoxide from alpha-olefins and saturated hydrocarbons The carbon monoxide contained in -olefins and saturated hydrocarbons, in particular -olefins and C2-4 saturated hydrocarbons, is removed, by contacting such -olefins and saturated hydrocarbons, at a temperature ranging from... | 04/29/1997 |
| 5510551 | Extraction of carotenoids from natural sources A carotenoid-enriched fraction is extracted from natural sources, such as carrots, by (i) separating the carotenoid-containing natural source into a carotenoid-containing liquid fraction and a pulp fraction, (ii) adding a carotenoid precipitation agent in... | 04/23/1996 |
| 5470456 | Process for removing carbonyl-sulfide from liquid hydrocarbon feedstocks The present invention relates to a process for removing carbonyl sulfide from a liquid hydrocarbon feedstock, said process comprising the steps of (a) passing said hydrocarbon feedstock over an absorbent material comprising nickel deposited on a support m... | 11/28/1995 |
| 5463168 | Process for the removal of hydrogen cyanide from FCC hydrocarbon product gas streams A process is described wherein the HCN in FCC hydrocarbon gas streams is converted to NH3 over a catalyst. This conversion has the desirable result of decreasing the amount of CN- in the water leaving the sour-water stripper, and ult... | 10/31/1995 |
| 5446232 | Removing oxygen from hydrocarbon gases Disclosed is a method and apparatus for removing oxygen from hydrogen, hydrocarbon, or halogenated hydrocarbon gas which contains about 0.01 to about 10 mole % oxygen. The oxygen removal is accomplished by contacting the gas with a Hopcalite catalyst at a... | 08/29/1995 |
| 5430225 | Methods of production of novel molybdenum-sulfide dimers and reactions of the same Derivatized molybdenum-sulfide dimers of the general formula [(C5 R5 Mo)2 (μ-S)4-x (μ-SR)x ]n are utilized in the solid state, incorporated in permselective membranes and in aqueous solut... | 07/04/1995 |
| 5414194 | Method of production of novel molybdenum-sulfide dimers and reactions of the same Derivatized molybdenum-sulfide dimers of the general formula [(C5 R5 Mo)2 (μ-S)4-x (μ-SR)x ]n are utilized in the solid state, incorporated in permselective membranes and in aqueous solut... | 05/09/1995 |
| 5378783 | Dicyclopentadiene activation method and polymerization composition A highly polymerizable dicyclopentadiene (DCPD) monomer composition is obtained. The dicyclopentadiene so obtained is highly suitable for ring-opening polymerization by metathesis catalysts. The active DCPD yields articles with excellent physical properti... | 01/03/1995 |
| 5371313 | Purification of hydrocarbon streams A process is provided for the removal of tertiary butyl chloride from a hydrocarbon stream, wherein the hydrocarbon stream is contacted at a temperature of from about 130° to about 170° C. with a particulate calcium oxide containing from 1 to 10 mole % ... | 12/06/1994 |
| 5268091 | Method for removing arsenic and phosphorus contained in liquid hydrocarbon cuts, nickel based retaining material A method for removing arsenic and/or phosphorus from a petroleum charge with a retaining material comprising: (a) from 60 to 97% of a carrier containing, by weight, from 1.5 to 60% of oxide of at least one metal A selected from the group consisting of Mg, ... | 12/07/1993 |
| 5220105 | Process for purifying d-limonene A process is provided for the purification of d-Limonene, particularly to remove odorous impurities. The process includes the step of mixing d-Limonene with an oxidizer and separating the oxidizer from the d-Limonene. In preferred embodiments, the d-Limon... | 06/15/1993 |
| 5177297 | Method of removing a polymerization catalyst A process for separating lithium from a conjugated diolefin polymer wherein a solution containing said conjugated diolefin polymer and a lithium compound is contacted with magnesium phosphate, magnesium phosphate dibasic, magnesium dihydrogen phosphate or... | 01/05/1993 |
| 5177301 | Method of separating isobutylene from a C-4 hydrocarbon fraction using a heteropoly acid on an inert support Disclosed is a two-step method for separating isobutylene from a C-4 hydrocarbon fraction comprising: a) Reacting the C-4 fraction with a glycol in the presence of a catalyst comprising heteropoly acid on an inert support at a temperature of about 60° to... | 01/05/1993 |
| 5162597 | Olefin disproportionation and application thereof A disproportionation catalyst comprising an ammonium or an alkali metal tungsten oxide and a process for forming disproportionation product using the disproportionation catalyst are disclosed. The disproportionation process is used to facilitate the separ... | 11/10/1992 |
| 5159131 | Zeolitic para-xylene separation with indan and indan derivatives as heavy desorbent A chromatographic process able to separate para-xylene from C8 isomers and C9 aromatics. In the process, the para-xylene-containing feed mixture is contacted with an X zeolite adsorbent having barium or barium and potassium ions, at ... | 10/27/1992 |
| 5157204 | Removal of impurities from hydrocarbon feeds A process for removing carbon monoxide and free oxygen from hydrocarbon-containing fluids comprises contacting the fluid feed with at least one of several supported platinum-containing catalyst compositions so as to convert carbon monoxide and free oxygen... | 10/20/1992 |
| 5130109 | Catalyst composition containing segregated platinum and rhodium components A catalyst composition suitable for three-way conversion of internal combustion engine, e.g., automobile gasoline engine, exhaust gases, includes a catalytic material disposed in two discrete coats on a carrier. The first coat includes a stabilized alumin... | 07/14/1992 |
| 5057644 | Process for the purification of alpha olefins This invention relates to a process for the purification of an alpha olefinic feedstock contaminated with internal olefins which process comprises contacting said alpha olefinic feedstock with ethylene in the presence of a catalyst comprising an organobor... | 10/15/1991 |
| 4861939 | Process for removing arsine from light olefin containing hydrocarbon feedstocks The present invention relates to a process for removing arsine from a light olefin to containing hydrocarbon feedstock, said process comprising the steps of (a) passing said feedstock over an absorbent material comprising nickel deposited on a support mat... | 08/29/1989 |
| 4849577 | Process for eliminating jointly arsenic and carbon oxysulfide from an unsaturated hydrocarbon cut in the liquid phase Process for eliminating jointly arsenic and carbon oxysulfide from an unsaturated hydrocarbon cut, wherein said hydrocarbon cut is contacted with an absorbing mass containing a support and lead oxide, comprising contacting the hydrocarbon cut in the liqui... | 07/18/1989 |
| 4830735 | Process for removing carbonyl-sulfide from liquid hydrocarbon feedstocks The present invention relates to a process for removing carbonyl sulfide from a liquid hydrocarbon feedstock, said process comprising the steps of (a) passing said hydrocarbon feedstock over an absorbent material comprising nickel deposited on a support m... | 05/16/1989 |
| 4683033 | Purification of iodine-containing mixtures and compositions useful therefor Hydrocarbon solutions containing iodine or iodine-containing impurities are rendered essentially color-free by distillation in the presence of small amounts of a hydrocarbon soluble organometallic compound.... | 07/28/1987 |
| 4613724 | Process for removing carbonyl-sulfide from liquid hydrocarbon feedstocks The present invention relates to a process for removing carbonyl sulfide from a liquid olefinic hydrocarbon feedstock comprising (a) passing said hydrocarbon feedstock over an absorbent material comprising zinc oxide and a promoter selected from the group... | 09/23/1986 |
| 4599472 | Purification of iodine-containing mixtures and compositions useful therefor Hydrocarbon solutions containing iodine or iodine-containing impurities are rendered essentially color-free by distillation in the presence of small amounts of a hydrocarbon soluble organometallic compound.... | 07/08/1986 |
| 4435609 | Isomerization of butene-1 to butene-2 in isobutylene Isobutylene containing a minor amount, e.g. 0.06-0.10 wt %, of n-butene-1 is subjected to gas phase isomerization using hydrogen and Group VIII metal catalyst to convert the butene-1 to butene-2 with at least 65% conversion and no more than 0.3% hydrogena... | 03/06/1984 |
| 4419266 | Corrosion inhibitors containing 3-dialkyl-3-(1-ethylpentyl)-prop-1-yne An aqueous composition for inhibiting the corrosion of metals is described. The composition comprises a non-oxidizing acid, and, as a corrosion inhibitor, an effective amount of a 3-dialkylamino-3-(1-ethylpentyl)prop-1-yne.... | 12/06/1983 |
| 4393249 | Process for removing alkynes from C4 hydrocarbon mixtures A process for removing alkynes from hydrocarbon mixtures, particularly those containing butadiene by reacting the alkynes with hydroxyl group containing organic compounds in the presence of a silver exchanged ion-exchange resin and separating the products... | 07/12/1983 |
| 4191615 | Process for operating extraction or extractive distillation _apparatus In order to prevent corrosion of the apparatus in extraction and extractive distillation processes where N-substituted morpholine is employed as the selective solvent an additive is added to the solvent which additive consists of (a) phosphoric acid, (b) ... | 03/04/1980 |
