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Browse by Category: Main > Chemistry
Class Information
Number: 585/855
Name: Chemistry of hydrocarbon compounds > Purification, separation, or recovery > By addition of extraneous agent, e.g., solvent, etc. > Metal-containing
Description: Subject matter wherein an agent contains metal in free or combined form.










Patents under this class:
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Patent Number Title Of Patent Date Issued
7955498 Reduction of organic halide contamination in hydrocarbon products Jun. 7, 2011
7772336 Method for producing .alpha.-methylstyrene and heat-resistant styrene-based copolymer using the .alpha.-methylstyrene Aug. 10, 2010
7399891 Process for alcohol production by selective ether decomposition Jul. 15, 2008
7357902 Process for the removal of oxygen from olefin-containing process streams Apr. 15, 2008
6797846 Fibrous crystal aggregates, preparation method thereof and use thereof Sep. 28, 2004
6570045 Methods of solidifying low-boiling-point hydrocarbon and handling the same, and regeneration thereof May. 27, 2003
6417415 Methods of solidifying low-boiling-point hydrocarbon and handling the same, and regeneration thereof Jul. 9, 2002
5866749 Sulfur and thiol removal from reactive hydrocarbons Feb. 2, 1999
5744685 Unsaturated hydrocarbon separation and recovery process Apr. 28, 1998
5674379 Process for removing carbonyl-sulfide from liquid hydrocarbon feedstocks Oct. 7, 1997
5639934 Process for the desulfurization of sulfur-containing compositions by hydrothermal reaction Jun. 17, 1997
5625116 Process for the removal of carbon monoxide from alpha-olefins and saturated hydrocarbons Apr. 29, 1997
5510551 Extraction of carotenoids from natural sources Apr. 23, 1996
5470456 Process for removing carbonyl-sulfide from liquid hydrocarbon feedstocks Nov. 28, 1995
5463168 Process for the removal of hydrogen cyanide from FCC hydrocarbon product gas streams Oct. 31, 1995
5446232 Removing oxygen from hydrocarbon gases Aug. 29, 1995
5430225 Methods of production of novel molybdenum-sulfide dimers and reactions of the same Jul. 4, 1995
5414194 Method of production of novel molybdenum-sulfide dimers and reactions of the same May. 9, 1995
5378783 Dicyclopentadiene activation method and polymerization composition Jan. 3, 1995
5371313 Purification of hydrocarbon streams Dec. 6, 1994
5268091 Method for removing arsenic and phosphorus contained in liquid hydrocarbon cuts, nickel based retaining material Dec. 7, 1993
5220105 Process for purifying d-limonene Jun. 15, 1993
5177297 Method of removing a polymerization catalyst Jan. 5, 1993
5177301 Method of separating isobutylene from a C-4 hydrocarbon fraction using a heteropoly acid on an inert support Jan. 5, 1993
5162597 Olefin disproportionation and application thereof Nov. 10, 1992
5159131 Zeolitic para-xylene separation with indan and indan derivatives as heavy desorbent Oct. 27, 1992
5157204 Removal of impurities from hydrocarbon feeds Oct. 20, 1992
5130109 Catalyst composition containing segregated platinum and rhodium components Jul. 14, 1992
5057644 Process for the purification of alpha olefins Oct. 15, 1991
4861939 Process for removing arsine from light olefin containing hydrocarbon feedstocks Aug. 29, 1989
4849577 Process for eliminating jointly arsenic and carbon oxysulfide from an unsaturated hydrocarbon cut in the liquid phase Jul. 18, 1989
4830735 Process for removing carbonyl-sulfide from liquid hydrocarbon feedstocks May. 16, 1989
4683033 Purification of iodine-containing mixtures and compositions useful therefor Jul. 28, 1987
4613724 Process for removing carbonyl-sulfide from liquid hydrocarbon feedstocks Sep. 23, 1986
4599472 Purification of iodine-containing mixtures and compositions useful therefor Jul. 8, 1986
4435609 Isomerization of butene-1 to butene-2 in isobutylene Mar. 6, 1984
4419266 Corrosion inhibitors containing 3-dialkyl-3-(1-ethylpentyl)-prop-1-yne Dec. 6, 1983
4393249 Process for removing alkynes from C.sub.4 hydrocarbon mixtures Jul. 12, 1983
4191615 Process for operating extraction or extractive distillation _apparatus Mar. 4, 1980
4150063 Purification of unsaturated compounds Apr. 17, 1979
4147735 Separation of organic compounds from mixtures by clathration Apr. 3, 1979
4112009 Method for removing acetylenic compounds from saturated, olefinic and dienic hydrocarbons or mixtures thereof Sep. 5, 1978
4108916 Purification of saturated hydrocarbons Aug. 22, 1978
4104318 Process for removing organic oxygen-containing impurities from an organic composition in the presence of steam Aug. 1, 1978
4083887 Carbonyl removal from gaseous streams using ZnS Apr. 11, 1978
4081354 Liquid-liquid extraction process Mar. 28, 1978
4066679 Bimetallic salts and derivatives thereof, their preparation and use in the complexing of ligands Jan. 3, 1978
4066713 Process for the addition of organic acids to acetylenic compounds contained in inorganic or organic hydrocarbon streams Jan. 3, 1978
4044067 Purification of unsaturated compounds Aug. 23, 1977
4031157 Method for removing acetylenic compounds from saturated, olefinic and dienic hydrocarbons or mixtures thereof Jun. 21, 1977

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