| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 08/17/2000 | WO2000047315A1 Use of ethoxylated glyceride mixtures as emulsifiers for producing paraffin hydrocarbon emulsions |
| 08/17/2000 | CA2298871A1 Process for fractionating dibutene |
| 08/16/2000 | EP1027312A2 Improved processes for making surfactants via adsorptive separation and products thereof |
| 08/16/2000 | EP0879220B1 Hydrocarbon separation |
| 08/16/2000 | CN1055456C Method for separation of paraxylene involving at least one high temp. crystallization and clay treatment stage |
| 08/15/2000 | US6103808 High aromatic oil and rubber composition and oil extended synthetic rubber using the same |
| 08/09/2000 | EP1025385A1 Gas hydrate storage reservoir |
| 08/09/2000 | EP1025071A1 Gas hydrate regassification method and apparatus using steam or other heated gas or liquid |
| 08/09/2000 | EP1025070A1 Method and apparatus for producing gas hydrates |
| 08/09/2000 | CN1262264A Process for recovering arylhydrocarbon by combination of extracting distillation with liquid-liquid extraction |
| 08/09/2000 | CN1055283C Paraxylene separation process comprising at least two high temp crystallization stages |
| 08/09/2000 | CN1055281C Method for separation of petroleum cracking C5 fraction by liquid phase feeding extraction rectification |
| 08/08/2000 | US6100439 Extracting phenols from crude styrene using an aqueous caustic solution containing (aromatic or alkyl)ammonium tailed multi-polyether headed surfactants and/or quaternary polyamines; use in propylene oxide styrene monomer systems |
| 08/03/2000 | WO2000044693A1 Separation of aromatic hydrocarbons and non-aromatic hydrocarbons from mixtures thereof by extractive distillation |
| 08/03/2000 | WO2000044692A1 Separation of aromatic hydrocarbons and naphtenes from mixtures thereof by extractive distillation |
| 08/03/2000 | WO2000044489A1 Method for reducing organic fluoride levels in hydrocarbons |
| 08/03/2000 | CA2350484A1 Method for reducing organic fluoride levels in hydrocarbons |
| 08/02/2000 | EP1023250A1 Process for preparing 2,6-dialkylnaphthalene |
| 08/02/2000 | EP1023052A2 Medicament excipient particles for tissue-specific application of a medicament |
| 08/02/2000 | CN1261870A Methods for inhibiting polymerization of vinyl monomers |
| 08/01/2000 | US6096941 Distillation of vinylaromatic monomer |
| 08/01/2000 | US6096680 Liquid clathrate compositions |
| 07/27/2000 | WO2000043337A1 Selective hydrogenation process and catalyst therefor |
| 07/27/2000 | WO2000043331A2 Synthesis and isomerization of 1,2-bis (indenyl) ethanes |
| 07/27/2000 | WO2000043098A1 Removable filter for slurry hydrocarbon synthesis process |
| 07/27/2000 | CA2800947A1 Synthesis and isomerization of 1,2-bis(indenyl)ethanes |
| 07/27/2000 | CA2775649A1 Synthesis and isomerization of 1,2-bis (indenyl) ethanes |
| 07/27/2000 | CA2323198A1 Synthesis and isomerization of 1,2-bis (indenyl) ethanes |
| 07/26/2000 | EP1021498A1 Aromatics separation process and method of retrofitting existing equipment for same |
| 07/26/2000 | CN1261428A Process for liquefying a natural gas stream containing at least one freezable component |
| 07/26/2000 | CN1261395A Removal of benzene from organic streams using cyclodextrins |
| 07/25/2000 | US6093317 Device for discontinuous injection of a fluid F2 into a zone Z1 or discontinuous extraction of a fluid F1 from A zone Z1 |
| 07/25/2000 | US6093285 Purification of 1,3-butadiene |
| 07/20/2000 | WO2000015593A3 Process for making aromatic aldehydes |
| 07/20/2000 | DE19901309A1 Verfahren zur Reinigung reduzierend wirkender Gase Methods for cleaning up reducing effect gases |
| 07/19/2000 | EP1020428A1 Process for recrystallizing 1,3-bis(aminophenoxy benzene) |
| 07/19/2000 | EP1020419A1 Process for purifying reduction gases |
| 07/19/2000 | CN1260822A Mixture of substances containing compounds with vinyl groups and stabilizers |
| 07/19/2000 | CN1260341A Method for separating arene from hydrocarbons mixture by use of extraction and rectification |
| 07/19/2000 | CN1260340A Method for separating arene by using extraction and rectification |
| 07/19/2000 | CN1054594C Inhibition of unsaturated monomers with 7-aryl quinone methides |
| 07/18/2000 | US6090993 Process for the preparation of aromatic solvent from a dioxane contaminated aromatic stream |
| 07/18/2000 | CA2096794C Method of producing unsaturated hydrocarbons and separating the same from saturated hydrocarbons |
| 07/13/2000 | WO2000040566A1 Process for the separation of a component from a gaseous medium and a device for carrying out the process |
| 07/12/2000 | EP1017754A1 Composition preventing polymerisation of ethylenically unsaturated monomers |
| 07/05/2000 | EP1016626A1 Zeolite itq-3 |
| 07/05/2000 | CN1258666A Saturated hydrocarbon recovering and utilizing technology |
| 07/04/2000 | US6084141 Hydrogenation process comprising a catalytic distillation zone comprising a reaction zone with distribution of hydrogen |
| 06/29/2000 | DE19859391A1 Verfahren zum Verdichten ethylenisch ungesättigter Monomerer A method for compressing ethylenically unsaturated monomers |
| 06/28/2000 | EP1013678A2 Process for compressing ethylenically unsatureted monomers |
| 06/28/2000 | EP1013340A2 Polymer supported triphos compound and use thereof as catalyst |
| 06/28/2000 | EP1011858A1 Agglomerated zeolite adsorbents, method for obtaining them and use for adsorbing paraxylene from aromatic c 8? cuts fractions |
| 06/28/2000 | CN1257878A Process for preparing poly-alpha-alkene |
| 06/28/2000 | CN1053883C Process for removal of arsine and carbonyl sulphide from hydrocarbon feedstocks contg. light olefin (s) |
| 06/28/2000 | CN1053882C Method and apparatus for adjusting process for separating 8-10C arene isomer |
| 06/28/2000 | CN1053881C Process for separation of cracked 5C distillate |
| 06/27/2000 | US6080905 Passing stream of olefin having from 2 to about 8 carbon atoms, containing acetylenic impurities and optionally saturated hydrocarbon gases, through a particulate bed of support material on which is dispersed at least one metal |
| 06/22/2000 | WO2000036052A1 Inhibiting polymerization of vinyl aromatic monomers using synergistic mixtures containing nitroxide stabilizers |
| 06/22/2000 | WO2000035837A1 Styrene caustic wash extraction aid |
| 06/20/2000 | US6077985 Integrated deethanizer/ethylene fractionation column |
| 06/20/2000 | US6077498 Zeolite ITQ-1 |
| 06/15/2000 | WO2000034213A1 Low temperature separation of hydrocarbon gas |
| 06/14/2000 | EP0763003B1 Crystallization of paraxylene from high purity paraxylene feeds |
| 06/14/2000 | CN1256260A Selective nitrile separating method |
| 06/13/2000 | CA2009571C Vacuum distillation process |
| 06/07/2000 | EP0886675B1 Polymerization inhibitor composition |
| 06/06/2000 | US6072098 Process for producing highly pure 2,6-dimethylnaphthalene |
| 06/06/2000 | US6072091 Process for selective hydrogenation of a hydrocarbon cut containing at least three carbon atoms |
| 06/02/2000 | WO2000031214A2 Recovery of propylene and ethylene from offgases |
| 06/02/2000 | WO2000031007A1 Method for discolouring styrol obtained from pyrolysis gasoline and contaminated by chromophores |
| 06/02/2000 | WO2000031005A1 Stabilised compositions comprising olefins |
| 05/30/2000 | US6069289 Introducing the mixture of normal alkane, monomethyl-branched alkane and multimethyl-branched alkanes to a simulated moving bed of an adsorbent selected from silicates, zeolites, molecular seives having selectivity alkanes>monmethyl>multi |
| 05/30/2000 | US6069288 Process for selectively separating hydrogen, or both hydrogen and carbon monoxide from olefinic hydrocarbons |
| 05/25/2000 | DE19853916A1 Decoloring of styrene recovered from thermally cracked petroleum by heating in admixture with a dienophile and a polymerization inhibitor to give a polymerization-grade product |
| 05/24/2000 | EP1002852A1 Nitrile selective removal process |
| 05/24/2000 | EP1002779A1 Process for desulphurisation of a hydrocarbon stream |
| 05/24/2000 | CN1253937A Purification method of phenylethylene monomer |
| 05/24/2000 | CN1253853A Unsaturated compound selective hydrogenation catalyst in hydrocarbon material flow and its method |
| 05/23/2000 | US6066637 Indolyl derivatives as serotonergic agents |
| 05/23/2000 | US6066238 Hydrocarbon separation |
| 05/18/2000 | WO2000027780A1 Methods and compositions for inhibiting polymerization of ethylenically unsaturated hydrocarbons |
| 05/18/2000 | WO2000007967A3 Continuous method and heat pump device for enriching liquid low-concentrated reaction mixtures |
| 05/18/2000 | CA2289435A1 Process for desulphurisation of a hydrocarbon stream |
| 05/17/2000 | CN1253130A Process for separating diolefin from C5 fraction |
| 05/16/2000 | US6063978 Process for separating paraxylene comprising at least one crystallization stage at high temperature and at least one clay treatment upstream from the adsorption zone |
| 05/16/2000 | US6063285 Chromatography and fluidized beds, circulation and injection |
| 05/16/2000 | CA2134821C Catalytic cracking process |
| 05/16/2000 | CA2114971C Coating apparatus, method of coating glass, compounds and compositions for coating glass and coated glass substrates |
| 05/16/2000 | CA2009659C Method for treating by-product oil |
| 05/11/2000 | WO2000026326A1 Ph control method of reducing nitrogen oxides emission |
| 05/11/2000 | WO2000026164A1 Ethylene chlorination obtained by hydrocarbon cracking |
| 05/10/2000 | EP0998437A1 Methods for inhibiting the polymerization of vinyl monomers |
| 05/10/2000 | EP0951463A4 Improved chemical absorption process for recovering olefins from cracked gases |
| 05/10/2000 | CN1252400A Combined catalytic rectification and absorption process of preparing alkyl arene through the reaction of low-density olefine and arene |
| 05/09/2000 | US6060634 Paraselectively disproportionating toluene in the presence of hydrogen and a catalyst to produce an effluent containing benzene,toluene, para-xylene enriched xylenes, ethylbenzene and aromatic hydrocarbons; crystalllization, separation |
| 05/09/2000 | US6060033 Process for removing HCl from hydrocarbon streams |
| 05/04/2000 | WO2000024695A1 Method for selective adsorption of dienes |
| 05/04/2000 | CA2347832A1 Method for selective adsorption of dienes |
| 05/03/2000 | EP0996607A1 Method and device for obtaining isobutenes from conjugated hydrocarbons |
| 05/03/2000 | EP0912654B1 Composition preventing the polymerisation of ethylene unsaturated monomers, method of preparation and use thereof |