Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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12/16/1980 | CA1091700A1 Selective hydrogenation process |
12/16/1980 | CA1091616A1 Polymerization inhibitor for vinyl aromatic compounds |
12/16/1980 | CA1091615A1 Use of n-methyl-morpholine-3-one in the extractive distillation of hydrocarbons |
12/10/1980 | EP0020051A1 Process for the purification of non-reacting gases |
12/09/1980 | US4238463 Method for desulfurizing gases with iron oxide |
12/09/1980 | US4238321 Selective adsorption on a molecular sieve; desorption by hydrogen gas |
12/02/1980 | US4237331 Separating isobutylenes from an olefin stream by forming carbonyl compounds in the presence of a catalyst comprising a palladium component, a copper component and a boric acid |
12/02/1980 | US4237330 Isolation of butadiene from a C4 -hydrocarbon mixture |
12/02/1980 | US4237326 Solution of methylated benzoquinone-4-oxime |
12/02/1980 | CA1090831A1 Process for obtaining isobutylene of a purity higher than 99.5 wt. |
12/02/1980 | CA1090697A1 Ethylene separation process |
11/27/1980 | WO1980002558A1 Separating ethane from methane |
11/25/1980 | US4236037 Process for the separation of olefins |
11/25/1980 | US4235613 Preparation of sales gas |
11/18/1980 | US4234750 HF Alkylation process |
11/18/1980 | US4234460 Active carbon, copper |
11/18/1980 | US4234410 Hydrogenation |
11/18/1980 | CA1089880A1 Polymerization inhibitor for vinyl aromatic compounds |
11/12/1980 | EP0018680A1 A process for the separation of para-xylene |
11/11/1980 | US4233141 Process for removal of carbonyl sulfide in liquified hydrocarbon gases with absorption of acid gases |
11/11/1980 | US4233038 Multizonal molecular sieve regeneration, countercurrent, cocurrent |
11/11/1980 | CA1089194A1 Process for simultaneous removal of hydrogen sulfide and water from a gas mixture without substantial removal of carbon dioxide or hydrocarbons |
11/04/1980 | US4232182 Process for purifying isoprene |
11/04/1980 | US4232177 Catalytic distillation process |
10/29/1980 | EP0018183A1 Process for the purification of natural gas |
10/28/1980 | US4230897 Process for selectively hydrogenating a hydrocarbon cut containing at least one diolefinic hydrocarbon and at least one acetylenic hydrocarbon using a palladium catalyst with crystallites of at least 50 angstroms |
10/28/1980 | US4230894 Isomer separation by catalytic cracking using a selective zeolite |
10/28/1980 | US4230666 Hydrocarbon purification apparatus |
10/28/1980 | US4230638 Separation of cyclohexylbenzene from a cyclohexylbenzene-cyclohexanone-phenol admixture |
10/28/1980 | US4230535 Heat exchanging, condensation |
10/28/1980 | US4230469 Distillation of methane from a methane-containing crude gas |
10/21/1980 | US4229612 Using clays as adsorbents prevents hydrogenation catalyst poisoning |
10/21/1980 | US4229607 Process for recovery of ethylene oligomers |
10/15/1980 | EP0017297A1 Cryogenic process for separating synthesis gas |
10/15/1980 | EP0017174A1 Process for separating a gaseous mixture |
10/15/1980 | EP0017118A1 Process for obtaining a conjugated diolefin from a C 4 or C 5 hydrocarbon mixture |
10/15/1980 | EP0017116A1 Process for obtaining a conjugated diolefin from a mixture containing C 4- or C 5-hydrocarbons |
10/14/1980 | US4227992 Process for separating ethylene from light olefin mixtures while producing both gasoline and fuel oil |
10/14/1980 | US4227891 Scrubbing with plasticizer absorbent, vacuum distillation, distillation |
10/07/1980 | CA1087086A1 Process for treating pressurized gases to remove unwanted components |
10/01/1980 | EP0016474A1 Process for obtaining a conjugated diolefin from a C 4 or C 5 hydrocarbon mixture |
10/01/1980 | EP0016284A1 Process for the production of a sulphur-free butene-1 rich stream |
09/30/1980 | CA1086777A1 Process for removing unwanted acid substances from reaction products |
09/30/1980 | CA1086673A1 Three stage catalytic treatment, under hydrogen pressure of highly unsaturated heavy cuts |
09/23/1980 | CA1086330A1 Process for the addition of organic acids to acetylenic compounds contained in inorganic or organic hydrocarbon streams |
09/18/1980 | WO1980001909A1 Method of separation of isobutylene from c4 hydrocarbon fraction |
09/17/1980 | EP0015831A1 Process for the preparation of at least partially sulfonated naphthalene, and use of this product in the purification of naphthalene |
09/17/1980 | EP0015513A1 Process for obtaining isobutene from mixtures of C4-hydrocarbons containing isobutene |
09/16/1980 | CA1085879A1 Continuous process for the removal of non-paraffinic hydrocarbons from paraffinic hydrocarbons |
09/09/1980 | CA1085309A1 Process for separating para-xylene |
09/03/1980 | EP0014770A1 Process for working up the cumene recovered from the Hock-synthesis of phenol |
08/19/1980 | US4218570 Method for purification of organic reaction products |
08/19/1980 | US4218229 Separation of ethylene-containing hydrocarbon mixtures by low temperature rectification |
08/19/1980 | US4217759 Cryogenic process for separating synthesis gas |
08/12/1980 | CA1083612A1 Method of reducing the alpha-acetylene content of hydrocarbon |
08/12/1980 | CA1083611A1 1-alkyl-4-isopropylbenzene desorbents for para-xylene |
08/05/1980 | US4216345 By chlorination of linear paraffins then catalytic alkylation of benzene, purified with molecular sieves to provide an odorless product |
08/05/1980 | CA1083067A1 Temperature control of integrated fractionation and claytreating of hydrocarbons |
07/29/1980 | US4215066 Binuclear rhodium complex as a hydroformylation and hydrogenation catalyst |
07/29/1980 | US4215011 Cloth pockets |
07/29/1980 | CA1082745A1 Method for the removal of carbonyl sulfide from liquid propane |
07/29/1980 | CA1082744A1 Process for the separation of olefins |
07/23/1980 | EP0013286A1 Hydrogenation catalyst, its preparation and use |
07/22/1980 | CA1081918A1 Inert removal from chlorinated hydrocarbon production system |
07/09/1980 | EP0013049A1 Process for acid gas removal |
07/09/1980 | EP0012986A1 Process for separating and recovering gaseous components from a gas mixture by physical washing |
07/08/1980 | CA1081130A1 Process for separating normal and isoparaffins |
07/01/1980 | US4210771 Or normal hydrocarbon feedstock blended with the zeolite desorption effluent |
07/01/1980 | US4210426 Process for recovering propene and propene/propane mixtures from the off-gases from the hydroformylation of propene |
07/01/1980 | CA1080755A1 Fractionation of aromatic streams |
07/01/1980 | CA1080442A1 Elimination of assine |
06/25/1980 | EP0012613A1 A process for producing 3-alkylphenols and 1,3-dihydroxybenzene |
06/25/1980 | EP0012570A2 Selective reaction of 1,4-disubstituted benzene compounds |
06/24/1980 | US4209656 Sulfuric acid catalyzed alkylation process |
06/24/1980 | US4209499 From choline chloride |
06/24/1980 | CA1080133A1 Removal of h2s and/or co2 from a light hydrocarbon stream by use of gas permeable membrane |
06/24/1980 | CA1080115A1 Distillation of methane from a methane-containing crude gas |
06/17/1980 | US4208541 Method for the removal of carbonyl sulfide from liquid propane |
06/17/1980 | US4208540 Process for separation and recovery of isobutene |
06/17/1980 | US4208305 Crystalline silicates and process of preparation |
06/17/1980 | US4208268 Method of processing thermal cracked by-product oil |
06/17/1980 | CA1079494A1 Adsorption-absorption vapor recovery system |
06/11/1980 | EP0011997A1 Method for removing hydrogen sulphide from gaseous mixtures containing hydrogen sulphide and carbon dioxide |
06/10/1980 | CA1079179A1 Method for separating carbon dioxide from methane |
05/27/1980 | US4205195 Process for the dimerization of C8 -C20 olefins and the olefin dimers obtained thereby |
05/27/1980 | US4205189 Method for producing 3-alkylphenols and 1,3-dihydroxybenzene |
05/27/1980 | CA1078300A1 Purification of natural gas |
05/27/1980 | CA1078145A1 Removal of co2 and/or h2s from cracked gases |
05/20/1980 | US4203742 Heat exchanging, liquefaction |
05/20/1980 | US4203741 Separate feed entry to separator-contactor in gas separation |
05/14/1980 | EP0010939A1 Process for the recovering of ethane and heavier hydrocarbon components from methane-rich gases |
05/13/1980 | CA1077401A1 Separation and recovery of ethylbenzene from c8 aromatic mixtures using rubidium-x sieves |
05/06/1980 | US4201633 Solvent extraction using n,n'-dimetnylethylene ures |
05/06/1980 | CA1077066A1 Process for the direct separation of isobutylene from mixtures of hydrocarbons |
04/30/1980 | EP0010223A1 Process for decomposing a gas mixture |
04/16/1980 | EP0009630A1 Process for obtaining butadiene from a mixture of C4-hydrocarbons |
04/15/1980 | CA1075721A1 Process for the addition of alcohols to acetylenic compounds contained in organic or inorganic hydrocarbon streams |
04/15/1980 | CA1075720A1 Method for quenching cracked gases |
04/15/1980 | CA1075630A1 Use of water/methanol mixtures as solvents for aromatics extraction |
04/08/1980 | US4197413 Alkylation over selective zeolite, oxidation to hydroperoxide, rearrangement |