| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
|---|
| 01/26/1994 | EP0579776A1 Olefin oligomerization process |
| 01/20/1994 | WO1994001365A1 Synthesis of zeolite films bonded to substrates, structures and uses thereof |
| 01/19/1994 | EP0579330A1 Process for the distillation of Fischer-Tropsch products |
| 01/15/1994 | CA2100012A1 Process for the distillation of fischer-tropsch products |
| 01/11/1994 | US5277766 Separation of n-heptane from vinyl acetate by extractive distillation |
| 01/06/1994 | WO1994000409A1 Nonextractive processes for producing high purity aromatics |
| 01/06/1994 | WO1994000232A1 Regeneration of acetylene converter catalysts by hydrogen stripping |
| 01/06/1994 | CA2139785A1 Nonextractive processes for producing high purity aromatics |
| 01/05/1994 | CN1080276A Method for extracting crude anthracene from anthracene oil |
| 01/05/1994 | CN1080275A Non-chromatography purification of c60 and c70 mixture |
| 01/04/1994 | US5276248 Adding surfactants to form gel in water and storage |
| 01/04/1994 | US5276247 Contains cationic or anionic surfactants; treating with laminar mineral |
| 01/04/1994 | US5276246 Adsorption, molecular sieve |
| 01/04/1994 | US5276244 Separation of aluminum alkyls from olefins using modified inorganic membranes |
| 01/04/1994 | US5275702 Distillation method of separating organic solvents |
| 01/04/1994 | US5275005 Gas processing |
| 12/23/1993 | WO1993025798A1 A method for inhibiting gas hydrate formation |
| 12/22/1993 | EP0574999A1 Process for separating mixtures of aromatic C8 hydrocarbons |
| 12/22/1993 | CN1079755A Polymerization inhibitor for vinyl aromatics |
| 12/21/1993 | US5271903 Supercritical fluid extraction restrictor and collection system |
| 12/14/1993 | CA1325312C Method for enhancing the polymerization activity of crude cycloolefin monomers for bulk polymerization |
| 12/09/1993 | WO1993024432A1 Process for improving purity of para-xylene product |
| 12/09/1993 | WO1993024428A1 Method of producing light c2+-hydrocarbons from cracked gas |
| 12/09/1993 | CA2136629A1 Process for the recovery of low molecular weight c hydrocarbons from a cracking gas |
| 12/08/1993 | EP0573070A2 Process for purifying phenol |
| 12/07/1993 | US5268523 Alkylation; zeolite catalyst |
| 12/07/1993 | CA1324974C Process for low level desulphurization of hydrocarbons |
| 12/02/1993 | DE4217611A1 Verfahren zur Gewinnung leichter C¶2¶¶+¶-Kohlenwasserstoffe aus einem Spaltgas Process for the recovery of light C¶2¶¶ ¶ + hydrocarbons from a cracked gas |
| 12/01/1993 | EP0572239A1 Separation of hydrocarbon mixtures |
| 12/01/1993 | CN1078966A Technology for producing fine naphthalene by emulsifying crystalization |
| 11/30/1993 | US5266542 Synthetic film of zeolite crystal body and method for manufacturing the zeolite film |
| 11/30/1993 | US5265427 Refrigerant recovery scheme |
| 11/25/1993 | WO1993023499A1 Acetylene converter moderators |
| 11/25/1993 | WO1993023159A1 Purification process |
| 11/24/1993 | CN1022826C Use of fluore-aromatic desorbent in process for adsorptive separation of para-alkylaromatic hydrocarbons |
| 11/23/1993 | US5264653 High recovery by melting in a solvent followed by crystallization by cooling or recrystallization |
| 11/23/1993 | US5264187 Treatment of hydrocarbons |
| 11/18/1993 | EP0569539A1 Inhibiting popcorn polymer formation with sulfur-containing compounds |
| 11/18/1993 | EP0569502A1 Inhibiting popcorn polymer formation with alkyl halides. |
| 11/18/1993 | EP0569501A1 Inhibiting popcorn polymer formation with esters of inorganic acids. |
| 11/18/1993 | EP0569359A1 Inhibiting popcorn polymer formation with compounds incorporating group iv elements. |
| 11/18/1993 | EP0551352A4 Supercritical fluid extraction restrictor and collection system |
| 11/16/1993 | US5262015 Separation of octene-1 from its isomers by azeotropic and extractive distillation |
| 11/16/1993 | US5262014 Extractive distillation |
| 11/11/1993 | WO1993022261A1 Polymerization inhibitor for vinyl aromatics |
| 11/11/1993 | CA2118045A1 Polymerization inhibitor for vinyl aromatics |
| 11/09/1993 | US5259986 Copper (I) carboxylate-containing olefin complexing reagents |
| 11/09/1993 | CA2003197C Hydrocarbon gas processing |
| 11/03/1993 | CN1022622C Adsorptive separation of paraxylene using diethyltoluene desorbent |
| 11/03/1993 | CN1022621C Adsorptive separation of para-xylene using 1,2,3,4-tetralin desorbent |
| 11/02/1993 | US5258138 Phenothiazine and a 2,2,6,6-tetraalkyl piperazin-4-yl derivative to prevent addition polymerization of a mixture of acrylic monomers including an hydroxyalkyl acrylic ester; colorless |
| 11/02/1993 | US5258102 Separation of heptane from vinyl acetate by azeotropic distillation |
| 10/28/1993 | WO1993021136A1 Saturate minimization in normal alpha olefins |
| 10/28/1993 | WO1993020836A1 Treating disorders by application of insulin-like growth factors and analogs |
| 10/28/1993 | CA2110911A1 Treating disorders by application of insulin-like growth factors and analogs |
| 10/27/1993 | CN1077588A Pesticides, insecticides, miticides and nematocides compositions containing new silanes derivatives |
| 10/26/1993 | US5256259 Separation of hexane from vinyl acetate by azeotropic distillation |
| 10/26/1993 | CA1323634C Methods and compositions for inhibiting styrene polymerization |
| 10/26/1993 | CA1323474C Composite membranes, processes for their preparation and their use |
| 10/20/1993 | EP0565821A2 Method of preparing 2,6-diisopropylnaphthalene |
| 10/19/1993 | US5254764 Integrated process for producing iso-butene and alkyl tert-butyl ethers |
| 10/19/1993 | US5254760 Stabilization during distillation or purification with at least one stable nitroxyl compound together with one or more aromatic nitro compounds |
| 10/13/1993 | CN1077186A Method of separation and purification of Fowler olefinic carbon 70 by recrystallization |
| 10/12/1993 | US5252200 Method of separating an aromatic from a hydrocarbon mixture |
| 10/07/1993 | DE4210639A1 Higher hydrocarbon sepn. from gas mixt. - by multistage condensation without using expansion turbines |
| 10/06/1993 | EP0564329A1 Catalyst containing group VIII metal and group IIIA metal on a support |
| 10/06/1993 | EP0564328A1 Process for the selective hydrogenation of hydrocarbons |
| 10/05/1993 | US5250157 Separation of toluene from methyl isobutyl ketone by azeotropic distillation |
| 10/03/1993 | CA2093273A1 Process for selective hydrogenation of hydrocarbons |
| 09/29/1993 | EP0562815A1 Aromatic hydrocarbons separation from aromatic/non-aromatic mixtures |
| 09/29/1993 | EP0561922A1 Method of regeneration of a hydrocarbon based liquid that contains titanium and/or chlorine compounds |
| 09/28/1993 | US5248488 Separating mercury and water from natural gas adding sulfur and using molecular sieves |
| 09/28/1993 | CA2090148A1 Organic non-quaternary clathrate salts for petroleum separation |
| 09/28/1993 | CA1322443C Semi-permeable membranes comprising predominantly of polycarbonates derived from tetrahalobisphenols |
| 09/21/1993 | US5246902 Synthetic microporous solids containing gallium and phosphorous, their synthesis and their use as catalysts and adsorbents |
| 09/21/1993 | US5246608 Containing carbon monoxide-olefin polymers |
| 09/18/1993 | CA2087300A1 Antioxidant compositions and methods of inhibiting polymerization in diolefin containing feedstocks |
| 09/16/1993 | DE4303352A1 Removal of phenolic cpds. from oil esp. tar oil - using aliphatic, sec, tert. amine or amideand opt. water as extraction agent |
| 09/14/1993 | US5245108 Removing isopropenylnorbornene from dicyclopentadiene, acid clay |
| 09/14/1993 | US5245107 Of oxygenates in petroleum gas, regeneration |
| 09/14/1993 | US5245105 Separation of aluminum alkyls from olefins using polyphenylene oxide membrane |
| 09/14/1993 | US5245095 Precipitation, no hydrocarbon solvent |
| 09/14/1993 | CA1322176C Use of a fluoro-aromatic desorbent in a process for adsorptive separation of para-alkylaromatic hydrocarbons |
| 09/08/1993 | EP0559510A1 Separation of aliphatic paraffines by adsorption |
| 09/08/1993 | EP0558816A1 Process for the preparation of monobenzylated alkylbiphenyls and their use |
| 09/07/1993 | US5243113 Process for preparing 2-methylnaphthalene |
| 09/07/1993 | US5243063 Method for inhibiting foulant formation in a non-aqueous process stream |
| 09/07/1993 | US5242875 Strontium aluminum silicate for hydrocracking, reforming and separation |
| 09/07/1993 | US5242550 Desorption and purification of residue containing butenes and solvent |
| 09/02/1993 | WO1993017081A1 Absorption process for ethylene and hydrogen recovery |
| 09/02/1993 | CA2130567A1 Absorption process for ethylene and hydrogen recovery |
| 09/01/1993 | EP0557396A1 Sequence for separating propylene from cracked gases. |
| 09/01/1993 | EP0557280A1 Process for recovering sulphurated styrene residues |
| 09/01/1993 | CN1075707A Absorption process for ethylene and hydrogen recovery |
| 08/17/1993 | US5236559 Separation of hexane from vinyl acetate and methyl acrylate by extractive distillation |
| 08/11/1993 | EP0554942A1 Process for the preparation of linear alkylbenzenes |
| 08/10/1993 | US5234553 Process for obtaining a pure hydrocarbon from a sump product of an extractive distillation |
| 08/10/1993 | CA1321153C Process for separating methane using permeable membrane |
| 08/04/1993 | EP0553210A1 Benzoquinoneimines as vinyl aromatic polymerization inhibitors. |
| 08/03/1993 | US5233108 Catalytic hydrochlorination system and process for the manufacture of vinyl chloride from acetylene and hydrogen chloride in the presence of this catalytic system |