| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 05/01/1979 | CA1053601A1 Extractive distillation |
| 04/24/1979 | US4150962 Pretreatment of raw natural gas prior to liquefaction |
| 04/18/1979 | EP0001457A1 Process for the recovery of n-hexane free of benzene |
| 04/17/1979 | US4150063 Purification of unsaturated compounds |
| 04/17/1979 | CA1052762A1 Olefins dimerization catalysts based on the reducing properties of metal carboxylates |
| 04/03/1979 | US4147848 Distillation with a saturated hydrocarbon to remove polymerization |
| 04/03/1979 | US4147735 Aromatic hydrocarbons |
| 03/27/1979 | USRE29948 Crystalline silicates and catalytic conversion of organic compounds therewith |
| 03/20/1979 | US4145276 Group 8 metal, nickel and tungsten compounds, halided alumina |
| 03/20/1979 | US4145192 Drying, desulfurization, anhydrous solvent containing n-methyl-e-caprolactam, alkanolamine and a glycol |
| 03/13/1979 | US4144039 Selective absorption process of hydrogen sulphide and sulphur containing compounds from a gaseous mixture |
| 03/13/1979 | US4143521 Thermocracking; utilization of waste heat to generate ammonia refrigerant |
| 03/13/1979 | CA1050520A1 Absorbent and process for aromatic hydrocarbon mixture separation |
| 03/13/1979 | CA1050468A1 Recovery of isoprene |
| 03/06/1979 | US4143081 Prevention of color deterioration of diphenylalkanes |
| 02/27/1979 | US4141925 Separating unequally saturated hydrocarbons with monovalent copper salt solutions in β-methoxypropionitrile |
| 02/27/1979 | US4141924 Three phase crystallization |
| 02/27/1979 | CA1049570A1 Method of separating and recovering alkenylbenzenes and unreacted alkylbenzenes from the alkenylation reaction product |
| 02/20/1979 | US4140587 Process for the separation of diolefins from mixtures containing the same |
| 02/13/1979 | US4139572 Adsorption on zeolite |
| 02/13/1979 | CA1048435A1 Separation of unsaturated compounds from liquid hydrocarbon mixtures containing same |
| 02/07/1979 | EP0000536A1 Process for the separation of solutions containing vinyl oxirane |
| 02/06/1979 | CA1047944A1 Aromatic hydrocarbon isomer separation process |
| 01/30/1979 | US4137129 Flashing bottoms liquid stream to produce cool liquid which is used to condense overhead vapors |
| 01/30/1979 | CA1047544A1 Process for the obtaining of isobutylene of high purity |
| 01/30/1979 | CA1047386A1 Refrigerative fractionation of cracking-gases in ethylene production plants |
| 01/16/1979 | US4134795 Acetylenes removal from diolefin streams by extractive distillation |
| 01/10/1979 | EP0000279A1 A process for removing organic carbonyl-containing contaminants from a hydrocarbon product stream |
| 01/02/1979 | US4132744 Solvent extraction using copper or silver salt in alkanol |
| 01/02/1979 | US4132603 Polymerization inhibitor for vinyl aromatic compounds |
| 01/02/1979 | US4132602 Distillation in presence of 2-halo-6-nitro-p-cresol |
| 01/02/1979 | US4132601 Polymerization inhibitor for vinyl aromatic compounds |
| 01/02/1979 | US4132535 Quatinized copolymer of styrene and vinylpyridine/2-/, prevents emulsion formation |
| 12/19/1978 | US4130403 Hydrogen sulfide, carbon dioxide |
| 12/12/1978 | US4129606 Temperature control of integrated fractionation column and reaction zone |
| 12/12/1978 | US4129605 Extractive distillation |
| 12/12/1978 | CA1044214A1 Synthesis of zeolites |
| 12/05/1978 | US4128595 Acetylene hydrogenation in liquid phase with a liquid hydrocarbon reaction medium |
| 12/05/1978 | US4128594 Process for the purification of alkyl aromatics |
| 12/05/1978 | US4128593 Aluminosilicate adsorbent |
| 12/05/1978 | US4128457 Process for the separation of butadiene by plural stage extractive distillation |
| 12/05/1978 | CA1043816A1 METHOD FOR THE PRODUCTION OF .beta.-NAPHTHOL |
| 11/28/1978 | CA1043272A1 Adsorbent treating process for both a liquid and a gaseous hydrocarbon stream |
| 11/21/1978 | US4126645 Palladium on alumina catalyst |
| 11/21/1978 | US4126430 Packed bed temperature control |
| 11/21/1978 | CA1042834A1 Solvent for the separation of diolefins from mixtures containing the same |
| 11/14/1978 | US4125568 Removal of carbonyl impurities |
| 11/14/1978 | CA1042468A1 Method of recovering butadiene gas from an acetoxylation process |
| 10/31/1978 | US4123351 Removing hydrofluoric acid with potassium hydroxide, flow control |
| 10/24/1978 | US4121917 Liquefied natural gas |
| 10/24/1978 | CA1041004A1 Separation of carbon dioxide and other acid gas components from hydrocarbon feeds |
| 10/24/1978 | CA1040837A1 Process for the recovery of group 1-b metal halides from bimetallic salt complexes |
| 10/17/1978 | US4120911 Method for concentrating a slurry containing a solid particulate component |
| 10/17/1978 | US4120781 Process for reducing the level of radioactivity of a stream of light hydrocarbons |
| 10/17/1978 | CA1040387A1 Process for the purification of gas streams |
| 10/10/1978 | US4119678 Desorbent for separation of butene-1 from a C4 hydrocarbon mixture using zeolite X |
| 10/10/1978 | CA1040220A1 Production of stilbene and styrene |
| 10/03/1978 | US4118429 Production and recovery of para-xylene |
| 10/03/1978 | CA1039754A1 Method of preparing vinyl chloride from liquid ethylene dichloride |
| 10/03/1978 | CA1039675A1 Urea dewaxing of low n-paraffin content oils |
| 09/26/1978 | US4117025 Process for purifying diolefin |
| 09/26/1978 | US4117023 Method of separation of catalytic residues derived from aluminum chloride |
| 09/26/1978 | US4117021 Process for removing organic oxygen-containing impurities from an organic composition |
| 09/26/1978 | US4116955 Inclusion complex compound, process for its production, and method for its use |
| 09/19/1978 | US4115471 Method for separating the product effluent of an alkylation process |
| 09/19/1978 | US4115465 Separation of aromatic hydrocarbons from mixtures, using polyurethane membranes |
| 09/12/1978 | US4113787 Styrene from ethylbenzene |
| 09/12/1978 | US4113575 Separation of acetone from n-butane by distillation |
| 09/12/1978 | US4113573 Method of and apparatus for steam stripping immiscible materials |
| 09/12/1978 | CA1038410A1 Method for separation of isobutylene from c4 hydrocarbon fractions |
| 09/05/1978 | US4112019 Bisphenol polymerization inhibitor |
| 09/05/1978 | US4112009 Method for removing acetylenic compounds from saturated, olefinic and dienic hydrocarbons or mixtures thereof |
| 09/05/1978 | US4112007 Selective hydrogenation in gaseous phase of cyclopentadiene or a mixture of ethylene and acetylene using a palladium zinc catalyst deactivated with ammonia, ammonium chloride, steam, or their mixtures |
| 09/05/1978 | US4111218 Absorption process method and apparatus |
| 09/05/1978 | CA1037971A1 Production of ethylene dichloride from ethane |
| 08/22/1978 | US4108916 Purification of saturated hydrocarbons |
| 08/22/1978 | US4108915 Process for the separation of ethylbenzene |
| 08/15/1978 | US4107270 Process for simultaneous removal of hydrogen sulfide and water from a gas mixture without substantial removal of carbon dioxide or hydrocarbons |
| 08/15/1978 | US4107226 Method for quenching cracked gases |
| 08/15/1978 | US4106920 For separation of aliphatically unsaturated hydrocarbons of two to four carbon atoms from mixtures containing them |
| 08/15/1978 | US4106917 For selective removal of ethylene, acetylene, or mixtures |
| 08/08/1978 | US4105588 Metals supported on a carrier |
| 08/08/1978 | US4105506 Polymerization inhibitor for vinyl aromatic compounds |
| 08/01/1978 | US4104321 Process for the separation of olefins |
| 08/01/1978 | US4104318 Process for removing organic oxygen-containing impurities from an organic composition in the presence of steam |
| 08/01/1978 | US4104294 Crystalline silicates and method for preparing same |
| 07/18/1978 | US4101597 Recovery of p-xylene and benzene from eight carbon atom aromatic fractions |
| 07/18/1978 | US4101595 Conversion of ethyl benzene to para xylene |
| 07/18/1978 | US4101594 Method for drying a hydrocarbon conversion apparatus |
| 07/04/1978 | US4098838 Process for obtaining sulfur free pure naphthalene from bituminous coal tar and thionaphthene as a by-product |
| 06/27/1978 | US4097371 Fractionation, extractive distillation |
| 06/27/1978 | US4097250 Method for the purification of natural gas having a high contents of acidic gases |
| 06/13/1978 | US4094777 Process for removing mercury from a gas or a liquid by absorption on a copper sulfide containing solid mass |
| 06/06/1978 | US4093672 Process for the recovery of ultrahigh purity indene |
| 05/23/1978 | US4091045 Process for the purification of liquid sorbents that comprise bimetallic salt complexes |
| 05/23/1978 | US4090923 Butadiene purification with simultaneous prefractionation and vinylacetylene rejection |
| 05/16/1978 | US4089778 Process for separating a substance from a liquid medium containing the substance in dissolved form |
| 05/16/1978 | CA1031284A1 Removal of polar compounds from hydrocarbonated mixtures |
| 05/09/1978 | US4088734 Removal of hydrogen arsenide |
| 05/02/1978 | US4087477 Method of reducing the α-acetylene content of hydrocarbon |