| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 04/05/2007 | DE102005046788A1 Separation of gas stream (n-product) from raw gas stream and condensation of the n-product, comprises cooling and subsequent phase separation of a gas stream as main stream from a separating column |
| 04/04/2007 | EP1768941A1 Methods for separating mixture components |
| 04/04/2007 | EP1608608A4 Method for extracting lutein from green plant materials |
| 04/04/2007 | CN1942224A Method and system for separating an oligomerization reactor effluent |
| 04/04/2007 | CN1939883A Process for separating meta-xylene from a feed of aromatic hydrocarbons |
| 04/04/2007 | CN1939881A Recovery of low-carbon olefine from feed gas |
| 04/04/2007 | CN1308272C 1,3,5- trialkyl benzene recovering method |
| 04/04/2007 | CN1308270C Diene removal from olefin feedstock |
| 04/03/2007 | US7199273 Selective hydrogenation of alkynes and/or diolefins |
| 04/03/2007 | CA2298618C Improved processes for making surfactants via adsorptive separation and products thereof |
| 04/03/2007 | CA2262387C Method for producing high purity isobutylene from a butane plus fraction containing isobutylene and butylene-1 |
| 04/03/2007 | CA2239592C Unsaturated hydrocarbon separation and recovery process |
| 03/28/2007 | EP1766183A1 Enhancement modifiers for gas hydrate inhibitors |
| 03/28/2007 | EP1765746A1 Process for producing olefins |
| 03/28/2007 | EP1470136B1 Method for the separation of acids from chemical reaction mixtures by means of ionic fluids |
| 03/28/2007 | EP1353890B1 Obtaining anthracene and carbazole by melt-crystallization |
| 03/28/2007 | CN1938247A Process for recovering paraxylene utilizing ammonia absorption refrigeration |
| 03/28/2007 | CN1938074A Apparatus for concentrating methane gas |
| 03/28/2007 | CN1935305A Rectifying tower forrecovering oxygen-bearing organic matter inwater for Fischer-Tropsch synthesis |
| 03/28/2007 | CN1307134C Process for removing less acetylene from ethylene fraction |
| 03/28/2007 | CN1306998C Treatment of acid catalysts with nitrogen compounds |
| 03/27/2007 | US7196210 Isoreticular metal-organic frameworks, process for forming the same, and systematic design of pore size and functionality therein, with application for gas storage |
| 03/22/2007 | WO2007032131A1 Process for producing aromatic compound and aromatic compound obtained by the process |
| 03/21/2007 | EP1476408B1 Method for separating substances by extraction or by washing them with ionic liquids |
| 03/21/2007 | CN1934153A Novel solvent for producing polyurethane dispersions |
| 03/21/2007 | CN1931802A Prepn process of cyclic olefin and its derivative |
| 03/21/2007 | CN1305818C Apparatus for extracting coarse 1,3-butadiene by double baffle plated tower and method thereof |
| 03/21/2007 | CN1305817C Preparation of at least one partial oxidation and/or ammoxidation product of propylene |
| 03/20/2007 | US7192526 separation loop consisting of the interconnection of a series of beds containing a solid adsorbent material forming several zones delimited by feed and solvent injection points and extraction points for discharge |
| 03/20/2007 | CA2460515C Laminated zeolite composite and production thereof |
| 03/15/2007 | WO2006108934A3 Method for oligomerising olefins by using a membranous separation |
| 03/15/2007 | US20070056317 Removing contaminants from natural gas |
| 03/14/2007 | EP1549415A4 Method and system for separating a component from a multi-component gas |
| 03/14/2007 | CN1927784A Method for separating product of carbonaceous olefin catalytic cracking |
| 03/14/2007 | CN1304343C Method and device for separating 1,2,3-trimethylbenzene |
| 03/14/2007 | CN1304342C Method for removing dimethyl ether from olefin |
| 03/08/2007 | WO2005082090A3 Enhanced hydrogen recovery for hydroprocessing units |
| 03/08/2007 | US20070055088 Nonoxidatively, catalytically dehydrogenating n-butane, removal of hydrogen, the low-boiling secondary constituents and water, extractive distillation and recirculation of recycle stream of n-butane to the dehydrogenation zone; hydrogenation of butadiene, isomerization of 2-butene to 1-butene |
| 03/07/2007 | EP1438277B1 Recycle of nitroxyl-containing streams at low temperature |
| 03/07/2007 | EP1421044B1 Inhibiting catalyst coke formation in the manufacture of an olefin |
| 03/07/2007 | EP1140742B1 Styrene caustic wash extraction aid |
| 03/07/2007 | CN1926079A Process for the hydrogenation of olefins |
| 03/07/2007 | CN1923788A Recovering device for oxidization low pressure end gas in process of preparing terephthalic acid |
| 03/07/2007 | CN1923773A Method of recovering unreacted alkylbenzene in process of preparing aromatic carboxyl acid |
| 03/07/2007 | CN1923772A Method of extracting, rectifying and separating aromatic hydrocarbons and extracting and rectifying apparatus |
| 03/07/2007 | CN1923771A Pressure swing adsorption method of separating and recovering C3+ hydrocarbons from C3+ hydrocarbons contained mixture gas |
| 03/07/2007 | CN1303188C Monomethyl paraffin adsorptive separation process |
| 03/07/2007 | CN1303046C Production process for picking-up against cancer pharmaceutical product of beta element from Curcuma |
| 03/07/2007 | CN1302835C Treatment of hydrogen/hydrocarbon mixtures on adsorbents regenerated at high pressure |
| 03/06/2007 | US7186876 Process to prepare a process oil |
| 03/06/2007 | CA2194085C Process for selective reduction of benzene and of light unsaturated compounds in a section of hydrocarbons |
| 03/01/2007 | WO2007024733A2 Butane removal in c4 upgrading processes |
| 03/01/2007 | WO2007023943A1 Method for production, substitution or digging of gas hydrate |
| 03/01/2007 | CA2619946A1 Butane removal in c4 upgrading processes |
| 02/28/2007 | EP1458663B1 Method for purifying cumene hydroperoxide cleavage products |
| 02/28/2007 | CN1919809A Energy-saving technique for producing high-purity pentane and pentane foaming agent |
| 02/28/2007 | CN1301944C Olefin plant refrigeration system |
| 02/28/2007 | CN1301943C Denitrogenation method and appts. |
| 02/27/2007 | US7182839 Preventing deposition of fouling agents onto equipment |
| 02/22/2007 | WO2007021532A1 Polyalkyleneimines and polyalkyleneacrylamide salt for acid gas scrubbing process |
| 02/22/2007 | WO2007021183A1 Process and apparatus for the purification of methane rich gas streams |
| 02/22/2007 | WO2007019630A1 Dehydration of a natural gas in an underwater environment |
| 02/22/2007 | US20070043253 for preparation of very pure meta-xylene having a purity of more than 99.0%, preferably more than 99.5%; can be used for the preparation of insecticides or chemical intermediates such as isophthalic acid |
| 02/22/2007 | US20070039813 Extractively distilling C4 fraction using selective solvent in dividing wall column in which dividing wall is arranged in longitudinal direction of column to form first and second subregions and lower common column region, topstream from first subregion being conveyed to upstream extractive scrubber |
| 02/22/2007 | CA2619776A1 Process and apparatus for the purification of methane rich gas streams |
| 02/22/2007 | CA2617610A1 Polyalkyleneacrylamide salt for acid gas scrubbing process |
| 02/21/2007 | EP1754695A1 Process and apparatus for the purification of methane rich gas streams |
| 02/21/2007 | EP1754535A1 Process for hydrogenating acetylenes |
| 02/21/2007 | EP1177038A4 Method for reducing organic fluoride levels in hydrocarbons |
| 02/21/2007 | CN1918092A Process and apparatus for the removal of nitrogen compounds from a fluid stream |
| 02/21/2007 | CN1918091A Regenerative removal of trace carbon monoxide |
| 02/21/2007 | CN1918090A Method for obtaining raw-1,3-butadiene |
| 02/21/2007 | CN1915939A Method for producing cyclohexene through reaction rectification |
| 02/21/2007 | CN1915919A Solvent in use for purifying products in anthracene series in crystal level |
| 02/20/2007 | US7179632 Process for the production of allicin |
| 02/20/2007 | US7179364 Production of stable olefinic Fischer-Tropsch fuels with minimum hydrogen consumption |
| 02/15/2007 | WO2007018519A1 Solvent-based recovery and purification process |
| 02/15/2007 | WO2007018518A1 Recovery of carbon monoxide and hydrogen from hydrocarbon streams |
| 02/15/2007 | WO2007018516A1 Solvent-aided fractionation process |
| 02/15/2007 | WO2007018509A1 Cryogenic fractionation process |
| 02/15/2007 | WO2007018506A1 Low cost expansion of capacity for ethylene recovery |
| 02/15/2007 | WO2007018505A1 Recovery of co-rich product from a mixed gas containing heavy hydrocarbons |
| 02/15/2007 | WO2007017888A1 Adsorbents for purification of c2-c3 olefins |
| 02/15/2007 | WO2006138063A3 Process for making xylene isomer using a deheptanizer with a side draw recycle |
| 02/15/2007 | US20070038012 Process for separating meta-xylene from a feed of aromatic hydrocarbons by liquid phase adsorption |
| 02/15/2007 | US20070038008 Process for the selective hydrogenation of phenylacetylene |
| 02/15/2007 | US20070038007 Extracting oxygenates from the fractionated hydrocarbon condensate streamcontaining olefins, paraffins and oxygenates from a low-temperature Fischer-Tropsch reaction; catalytic alkylation of benzene by the olefins; catalytic dehydrogenation of unreacted paraffins and circulation back for alkylation |
| 02/15/2007 | CA2616746A1 Recovery of carbon monoxide and hydrogen from hydrocarbon streams |
| 02/15/2007 | CA2616162A1 Recovery of co-rich product from a mixed gas containing heavy hydrocarbons |
| 02/14/2007 | EP1752433A1 Improved drying process for linear alpha-olefins |
| 02/14/2007 | CN1911879A Method of refining benzene by separating and purifying coke benzene |
| 02/14/2007 | CN1300284C Processes for concentrating higher diamondoids |
| 02/14/2007 | CN1300156C Method for the separation of acids from chemical reaction mixtures by means of ionic fluids |
| 02/14/2007 | CN1300071C Method of extracting elemene in curcuma zedoary by super critical carbon dioxide fluid extraction-rectification |
| 02/13/2007 | US7176341 Direct cooling, then said gas is guided through electrostatic filter for subsequent cooling so that naphthalene contained in the coke oven crude gas is separated from the gas phase in the pure form without additional treatment |
| 02/08/2007 | WO2006065330A3 Process for removing naphthalene from alkylaromatics |
| 02/07/2007 | EP1749039A1 Low molecular weight polylactic acid polymers |
| 02/07/2007 | CN1909954A Composite membrane |
| 02/07/2007 | CN1907925A Aquarium-type methane purifier |
| 02/07/2007 | CN1298682C Sulphonation reaction producing technology and equipment thereof |