| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 07/19/2001 | CA2397248A1 Synthesis and use of dimethyl-1,5-naphthalenedicarboxylates and intermediates therefrom |
| 07/19/2001 | CA2396922A1 Carbide- and oxycarbide-based compositions, rigid porous structures including the same, and methods of making and using the same |
| 07/17/2001 | US6262323 Synergistic mixture of phenylenediamine, steric hindered phenol and hydroxylamine |
| 07/11/2001 | EP1114808A1 Hydrocarbon separation process and apparatus |
| 07/11/2001 | EP1114119A1 Vinyl monomer polymerization inhibition using hindered hydroxylamines |
| 07/11/2001 | EP1114016A2 Process for making aromatic aldehydes |
| 07/11/2001 | EP1113867A1 Fluid distributor-mixer-extractor and related method |
| 07/05/2001 | WO2001047844A1 Process for preventing polymeric fouling in the treatment of hydrocarbon streams containing olefins |
| 07/05/2001 | WO2001047839A1 Processes for preventing generation of hydrogen halides in an oligomerization product recovery system |
| 07/04/2001 | EP1112244A1 Process for making aromatic aldehydes using ionic liquids |
| 07/04/2001 | EP1112242A2 Continuous method and heat pump device for enriching liquid low-concentrated reaction mixtures |
| 07/04/2001 | EP0964904B1 Olefin purification by adsorption of acetylenics and regeneration of adsorbent |
| 07/04/2001 | CN1301684A Method and device for separating and reclaiming ethylene from catalytic cracked dry gas |
| 07/04/2001 | CN1068034C Hydrogenation process |
| 06/28/2001 | WO2001046097A1 Process for separating olefins from industrial gases |
| 06/27/2001 | EP1110934A1 Preparation of very pure isobutene and of propylene from hydrocarbon cuts with four carbon atoms |
| 06/27/2001 | EP1110606A1 Selective acetylene hydrogenation |
| 06/27/2001 | EP1109607A1 Cascade reboiling of ethylbenzene/styrene columns |
| 06/27/2001 | CN1300930A Distilling process for multi-component fluid and process for production of stream with rich argon by low temperature separating process |
| 06/26/2001 | US6252127 Process for monomethyl acyclic hydrocarbon adsorptive separation |
| 06/26/2001 | US6252126 Method for producing ethylbenzene |
| 06/26/2001 | US6252106 Method for stabilizing a sex pheromone compound |
| 06/21/2001 | DE19961082A1 Process for purifying spent lye containing hydrocarbons from absorption plant for removing acidic gases comprises feeding lye and stripping gas to stripping column and removing stripped lye and stripped waste gas |
| 06/20/2001 | EP1108965A1 Process for distillation of multicomponent fluid suitable for production of an argon-enriched stream from a cryogenic air separation process |
| 06/20/2001 | CN1300298A Method of dehalogenating hydrocarbon containing carbon-carbon double bond |
| 06/19/2001 | US6248931 Using a sulfonated hexafluro bis-a-polyether sulfone membrane |
| 06/14/2001 | WO2001041922A1 Carrier catalytic converter for the selective hydrogenation of alkines and dienes |
| 06/14/2001 | US20010003360 Styrene monomer polymerization inhibition using substituted dihydroxyarenes and nitroxides |
| 06/14/2001 | CA2327717A1 Polymerization inhibition of isoprene |
| 06/13/2001 | EP0937017B1 Unsaturated hydrocarbon separation and recovery process |
| 06/13/2001 | DE19959064A1 Trägerkatalysator zur Selektivhydrierung von Alkinen und Dienen Supported catalyst for the selective hydrogenation of alkynes and dienes |
| 06/12/2001 | US6245956 Method for separating sulfone from a hydrocarbon stream having a small concentration of sulfone |
| 06/07/2001 | WO2001040319A2 Inhibition of polymerization of unsaturated monomers |
| 06/07/2001 | WO2001040150A1 Process for the extraction of an aromatic compoung from an aliphatic phase using a non-neutral ionic liavin |
| 06/07/2001 | WO2001040149A2 Inhibition of polymerization of unsaturated monomers |
| 06/06/2001 | CN1298376A Process for the hydrogenation of phenyl acetylene in a styrene-containing medium with the aid of a catalyst |
| 06/06/2001 | CN1298375A Method for separating a C4 hydrocarbon mixture |
| 06/05/2001 | US6242662 From butene-2 introduced into a distillation zone linked to a hydro-isomerization zone located at least partly outside the distillation zone |
| 06/05/2001 | US6242661 Process for the separation of isobutene from normal butenes |
| 06/05/2001 | US6242518 Polymerization of a homopolymer or copolymer of vinyl caprolactam in a solvent mixture of a glycol ether preferably butoxyethanol/2-/ and water |
| 06/05/2001 | US6240744 Using a distillation column having a partitioned section to recover components of different volatilities, minimizing vapor and liquid maldistribution |
| 06/05/2001 | CA2101525C Inhibiting popcorn polymer formation with sulfur-containing compounds |
| 06/05/2001 | CA2079473C Removal of nitrogenous components of a hydrocarbon feedstream |
| 05/31/2001 | WO2001005914A3 Separating facility for separating a polyglycol and ethylene mixture |
| 05/30/2001 | EP1102953A1 Installation producing low voltage electricity integrated in a unit separating gas from air |
| 05/30/2001 | EP1102734A1 Recovery of aromatic hydrocarbons using lubricating oil conditioned membranes |
| 05/30/2001 | EP1102615A1 System for injecting a by-pass fluid in a separation method in a simulated moving bed |
| 05/23/2001 | CN1295987A Compositions for coating glass and the coated glass |
| 05/23/2001 | CN1066167C Absorption process for rejection of reactor hyproducts and recovery of monomers from waste gas streams in olefin polymerization processes |
| 05/23/2001 | CN1066158C Chelating metallo-organic compound adsorption method and alumina base adsorbent |
| 05/23/2001 | CN1066129C Method for inhibiting hydrate formation |
| 05/17/2001 | WO2001034726A2 Methods and apparatus for high propane recovery |
| 05/16/2001 | CN1065854C Separation of phend |
| 05/15/2001 | US6232518 Removal of benzene from organic streams using cyclodextrins |
| 05/10/2001 | WO2001032591A1 Selective methylation to para-xylene using fuel syngas |
| 05/10/2001 | CA2389801A1 Selective methylation to para-xylene using fuel syngas |
| 05/09/2001 | CN1294110A Solvent suction process for separation of hydrocarbon mixture |
| 05/03/2001 | WO2001030942A1 Process for btx purification |
| 05/03/2001 | CA2383966A1 Process for btx purification |
| 05/02/2001 | CN1065227C Process for refining 2,6-dimethylnaphthalene by stepwise temp. rising emulsifying crystallizing |
| 05/01/2001 | US6225518 Olefinic hydrocarbon separation process |
| 05/01/2001 | US6225515 Hydrogenation of trace quantities of acetylene contained in a stream of diolefins by contacting an off-line hydrogenation zone containing selective catalyst (copper) with hydrogen, and polymer solvent such as hexane |
| 05/01/2001 | US6224762 Distributor-mixer-extractor of fluids and associated process |
| 04/25/2001 | CN1292369A Preparation method of high-purity cyclopentadiene |
| 04/24/2001 | US6222088 Passing pre-pulse stream comprising non-normal hydrocarbon into adsorbent bed; recovering a selectively adsorbed monomethyl acyclic hydrocarbon from the bed of adsorbent by contacting the adsorbent bed with a desorbent compound |
| 04/24/2001 | US6222080 Providing a vinyl aromatic compound; forming mixture by adding polymerization inhibitor which comprises an n-phenyl-1,4-benzoquinoneimine compound; distilling mixture |
| 04/19/2001 | WO2001027054A1 Deep selective hydrogenation process |
| 04/18/2001 | EP1092688A1 Compounds and compositions for coating glass and coated glass substrates |
| 04/18/2001 | CN1291967A Polymerization-inhibiting composition polymerization inhibitor and method for inhibiting polymerization |
| 04/17/2001 | US6218589 Catalytic dehydrogenation of propane; selective hydrogenation; fractionation; saturation of methylacetylene and propadiene; recovering, purification |
| 04/17/2001 | US6218536 1,2-bis-adducts of stable nitroxides with substituted ethylenes and stabilized compositions |
| 04/17/2001 | US6217830 Methods and apparatus for separating Fischer-Tropsch catalysts from liquid hydrocarbon product |
| 04/17/2001 | US6217750 Process for purifying naphthalene by selective hydrotreatment followed by separation |
| 04/11/2001 | EP1089957A1 Production of high purity meta-xylene |
| 04/11/2001 | EP0931039A4 Selective hydrogenation of aromatics in hydrocarbon streams |
| 04/10/2001 | US6215037 Adsorption with zeolite x, zeolite y, or zeolite lsx ion-exchanged with copper or silver; separation from mono-olefins |
| 04/10/2001 | US6215036 Catalytic hydroisomerization |
| 04/10/2001 | US6214174 Tray column for capturing purified liquid; support; discharging aperture |
| 04/10/2001 | US6212905 Comprising providing a said mixed charge gas from an olefin generation process, separating said charge gas into a bottoms and an overhead at a temperature of about-55degree f. or higher to produce an ethylene product stream as overhead |
| 04/10/2001 | CA2269462C Hydrocarbon gas processing |
| 04/10/2001 | CA2135610C Acetylene converter moderators |
| 04/10/2001 | CA2134503C Olefin production |
| 04/05/2001 | WO2001023499A1 Methods and compositions for inhibiting vinyl aromatic monomer polymerization |
| 04/05/2001 | WO2001023335A1 Monomethyl paraffin adsorptive separation process |
| 04/05/2001 | WO2001023334A1 Hydrogenation of benzene to cyclohexane |
| 04/05/2001 | WO2001023328A1 Method for the friedel-crafts alkylation of organic compounds |
| 04/05/2001 | CA2385852A1 Hydrogenation of benzene to cyclohexane |
| 04/04/2001 | CN1064124C Process and apparatus for preparation of carbon monoxide and hydrogen |
| 04/03/2001 | US6211423 Process for separating saturated compounds from olefins |
| 03/29/2001 | DE19946368A1 Verfahren zur Friedel-Crafts-Alkylierung organischer Verbindungen A method for Friedel-Crafts reaction of organic compounds |
| 03/28/2001 | EP1086192A1 Compositions and methods for inhibiting vinyl aromatic monomer polymerization |
| 03/28/2001 | CN1063741C Method for recovery of petroleum acids from mixed extract of isopropyl alcohol-ammonia water |
| 03/27/2001 | US6207115 Selective hydrogenation zone having a catalyst bed for hydrogenating diolefins and acetylene impurities; isomerizing simultaneously 1-butene to 2-butene; downstream having an acid catalyst to polymerize the isobutene |
| 03/21/2001 | EP1023250A4 Process for preparing 2,6-dialkylnaphthalene |
| 03/21/2001 | CN1287993A Process for recovery and comprehensive utilization of by-product oil from hydration method synthesis of camphor |
| 03/21/2001 | CN1063417C Method for inhibiting hydrate formation |
| 03/21/2001 | CN1063416C Method for inhibiting hydrate formation |
| 03/20/2001 | CA2101359C Inhibiting polymerization of vinyl aromatic monomers |
| 03/15/2001 | WO2001017664A1 Recovery of olefins from gaseous mixtures |
| 03/14/2001 | EP1083160A1 Apparatus for separation and purification of saturated hydrocarbon and method for separation and purification |