Patents
Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802)
10/1986
10/14/1986US4617282 Magnetizable cores, zeolite coverings
10/14/1986US4617039 Overhead vapor is partially condensed, and combined with deethanized partially condensed feed gases
10/14/1986US4617038 Extracting stripping, distilling
10/14/1986CA1212659A1 Catalysts for oligomerization of isobutene
10/08/1986CN85101183A Selective adsorption and recovery of organic gases using ion-exchanged faujasite
10/07/1986US4615994 Lithium aluminosilicate and pyridine
10/07/1986US4615769 Process for distillation of styrenes
10/07/1986CA1212373A1 Catalyst for selective hydrogenation of alkynes in the presence of dienes
09/1986
09/30/1986US4614729 Granular metal oxides
09/30/1986US4614524 Water-free hydrocarbon separation membrane and process
09/30/1986CA1212035A1 Separation of co.sub.2 and h.sub.2s from hydrocarbon containing gas
09/24/1986EP0195534A1 Process for removing carbonyl sulphide from liquid propylene
09/24/1986EP0195516A1 Improvements in hydrocarbon processing
09/24/1986CN86101838A Process for removal of arsenic from gases
09/23/1986US4613726 Process for removing nickel, aluminum and chlorine from olefin oligomers
09/23/1986US4613725 Process for separating ethylbenzene from xylenes by selective adsorption on a rubidium substituted X zeolite
09/23/1986US4613724 Process for removing carbonyl-sulfide from liquid hydrocarbon feedstocks
09/23/1986US4613442 Of triphenylmethyl methacrylate, for optical resolution
09/17/1986EP0194761A1 Process for separating isoprene
09/12/1986WO1986005122A1 Method of decontaminating hydrocarbons containing pcb
09/10/1986EP0193716A2 Adsorptive separation of methane and carbon dioxide gas mixtures
09/10/1986CN86100936A Process for the production of naphthalene
09/09/1986USRE32241 Fractional crystallization process
09/03/1986EP0193484A2 Oligomeric amine and phenolic antidegradants
09/03/1986EP0192666A1 Hydrocarbon separation with a physical solvent
09/03/1986CN85109187A Process for extraction of c2+ or c3+ -hydrocarbon
09/02/1986US4609388 Removal of acid gas from fuel gas
08/1986
08/27/1986CN85108285A Prosses for separation c2+-hydrocarbon-fraction from natural gas
08/26/1986US4608240 Method for the desulfurization of hydrocarbon gas
08/26/1986US4608069 Separation of higher boiling impurities from liquefied gases
08/26/1986US4608068 Recovery of C3+ hydrocarbons
08/26/1986US4608061 Cyclic depressurization, presrrization adsorption and purging
08/26/1986CA1210400A1 Preparation of n-phenyl(pyridyl)sulfonyldiamides
08/19/1986US4607131 Isolation of 3-methyl-1-butene from a hydrocarbon stream
08/19/1986US4606741 Injecting methanol
08/13/1986EP0190964A1 Process for the preparation of 2-methylbutene-2 from an olefinic C5 cut comprising 2-methylbutene-1 and at least one n-pentene
08/13/1986EP0190212A1 Separation of water from organic fluids.
08/13/1986CN85109210A Method of separation c3 about hydrocarbon from gas stream
08/12/1986US4605812 Copper chromite catalysts
08/12/1986CA1209513A1 Hydrolysis of carbonyl sulfide over alumina
08/12/1986CA1209489A1 Gas dehydration process
08/05/1986CA1209056A1 Liquid chromatographic separation of hydrocarbons
08/05/1986CA1208889A1 Separation and recovery of carbon monoxide and unsaturated hydrocarbons by copper (i) complexes
07/1986
07/30/1986EP0188831A1 Process for the removal of phenolic inhibitors from polymerizable conjugated olefins
07/29/1986US4603225 Process for separating dimethyl ether from a hydrocarbon mixture containing the same
07/29/1986CA1208662A1 Chemical process for the purification of isoprene trimer mixes
07/22/1986US4601738 Process for freeze protection and purification of natural gas liquid product streams produced by the Mehra process
07/22/1986CA1208141A1 Removal of carbon dioxide from olefin containing streams
07/16/1986EP0187479A2 Extraction of aromatics with ethyl acetoacetate
07/15/1986US4600504 Hydrofining process for hydrocarbon containing feed streams
07/15/1986US4600421 Two-stage rectification for the separation of hydrocarbons
07/15/1986CA1207785A1 Process for the preparation of oximatohydridosilanes and aminoxyhydridosilanes
07/09/1986EP0186982A2 Extraction of aromatics with N-cyclohexyl-2-pyrrolidone
07/08/1986US4599472 Purification of iodine-containing mixtures and compositions useful therefor
07/08/1986US4599096 Process for fractionation of a gaseous mixture employing side stream withdrawal, separation, and recycle
07/02/1986EP0186270A1 Tertiary butylstyrene recovery
07/02/1986EP0186269A1 Refining of tertiary butylstyrene
07/02/1986CN85107953A Process for presulfuration of catalyst of treating hydrocarbon
07/01/1986US4597788 Cooling and condensation
07/01/1986US4597777 Membrane gas separation processes
06/1986
06/25/1986EP0185525A2 Synthesis of a crystalline silicoaluminophosphate
06/25/1986EP0185253A2 Process and apparatus for recovering C2+ or C3+ hydrocarbons
06/25/1986EP0185252A2 Process for recovering C2+ or C3+ hydrocarbons
06/25/1986EP0185202A2 Process for recovering C2+, C3+ or C4+ hydrocarbons
06/24/1986US4596655 Distilling mixture with N-(aminoalkyl)piperazine, separating
06/24/1986CA1206465A1 Catalytic sulphur removal from hydrocarbons
06/17/1986US4595491 Extractive distillation using as selective solvent N-substituted morpholine
06/17/1986CA1206118A1 Process for the separation of a glycol from an electrolite-containing aqueous solution
06/10/1986US4594148 Extraction of aromatics with ethyl acetoacetate
06/10/1986CA1205616A1 Process for elimination of h.sub.2s from natural gas, crude oil and mixtures thereof
06/04/1986EP0183293A1 Catalysts and process for the selective hydrogenation of acetylenes
06/03/1986US4593150 Process for enhancing the separation of paraxylene from a feedstream containing other xylenes and ethylbenzene using a zeolite adsorbent
06/03/1986US4593149 Then using a desorpent
06/03/1986US4593148 Using copper oxide and zinc oxide absorbent
06/03/1986US4592844 Heating anhydrous solution; melting sodium; salt formation
06/03/1986US4592766 Cooling, expansion into liquid and vapor phases
06/03/1986US4592677 Desiccant bed on hydrocarbon charged to and removed from underground (salt) cavern
06/03/1986CA1205443A1 Zeolite lz- 132
06/03/1986CA1205276A1 Process for the removal of co.sub.2 and, if present h.sub.2s from a gas mixture
05/1986
05/28/1986EP0182673A2 A process for enhancing the separation of paraxylene from a feedstream containing other xylenes and ethylbenzene using a zeolite adsorbent
05/28/1986EP0182643A2 Process and apparatus for separating C3 and heavier components from hydrocarbon gases
05/28/1986EP0181978A1 Process for separating C6 olefin hydrocarbons
05/27/1986US4591370 Cryogenic process for removing acid gases from gas mixtures by means of a solvent
05/20/1986US4589957 Monomer and diluent recovery
05/20/1986US4589896 Compression, absorption, flashing, and concentration
05/14/1986EP0181254A1 Method for presulfiding a catalyst for the treatment of hydrocarbons
05/14/1986EP0181144A2 Process for the separation of C9aromatic isomers
05/07/1986EP0180427A2 A process for separating ethylbenzene from xylenes by selective adsorption on a rubidium substituted X zeolite
05/07/1986EP0180426A2 A process for separating ethylbenzene from xylenes by selective adsorption on a beta zeolite
05/07/1986EP0180425A2 A process for separating ethylebenzene from xylenes by selective adsorption on a cesium-substituted x zeolite
05/07/1986EP0180362A1 Supported organometallic compounds for utilization in purification of fluids
05/07/1986EP0180200A2 Composite having a zeolite, a layered compound or a crystalline-lattice material in the pores of a porous support and processes for production thereof
05/06/1986US4587370 Aromatic hydrocarbon alkylation process product recovery method
05/06/1986US4587369 Selectively hydrogenating acetylenic compounds in a high butadiene content C4 cut
05/06/1986US4587115 Process for preparation of high-silica faujasite type zeolite
05/06/1986US4586986 Method of recovering pure aromatic substances
04/1986
04/29/1986US4585526 Propoxypropanol
04/23/1986EP0178847A2 Process for the dehydrocyclodimerization of C3-C4 aliphatic hydrocarbons
04/22/1986US4584424 Process for separating ethylbenzene from xylenes by selective adsorption on a Beta zeolite
04/22/1986US4584006 Multistage cooling by heat exchanging, condensation, and fractionation