| Patents for C07C 7 - Purification, separation orstabilisation of hydrocarbons; Use of additives (13,802) |
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| 01/05/1993 | US5176821 Process for the separation of aromatic hydrocarbons with energy redistribution |
| 12/30/1992 | EP0520975A2 Process for preparing alkylbenzene |
| 12/30/1992 | EP0520672A2 Method of removing gases and light hydrocarbons from gas streams |
| 12/23/1992 | EP0519548A1 Hydrochlorination catalyst system and preparation process of vinyl chloride from acetylène and hydrogen chloride in presence of this catalyst system |
| 12/16/1992 | EP0518562A2 Process for removing acetone from a mixture comprising acetone, methyl acetate and methyl iodide |
| 12/16/1992 | EP0518294A1 Method for refining methylnaphthalene containing oil |
| 12/16/1992 | EP0504141A4 Blendend gasolines and process for making same |
| 12/15/1992 | US5171922 Process for separating para-xylene from a C8 and C9 aromatic mixture |
| 12/15/1992 | US5171333 Methane purification by pressure swing adsorption |
| 12/15/1992 | CA1311426C Molten salt hydrate membranes for the separation of gases |
| 12/13/1992 | CA2070560A1 Process for removing acetone from a mixture comprising acetone, methyl acetate and methyl iodide |
| 12/01/1992 | US5167797 Removal of sulfur contaminants from hydrocarbons using n-halogeno compounds |
| 12/01/1992 | CA1310987C Process to produce aromatics of low acid-wash color |
| 12/01/1992 | CA1310986C Increasing the level of 2-methyl-2-butene in isoamylene |
| 11/26/1992 | WO1992020431A1 Treatment of acid gas using hybrid membrane separation systems |
| 11/25/1992 | EP0306538B1 Process for preparing alpha-(3-benzylphenyl)propionic acid derivative |
| 11/24/1992 | CA1310580C Process for separation of c _ or c _ or c_ hydrocarbons from a gaseous mixture |
| 11/22/1992 | CA2108892A1 Treatment of acid gas using hybrid membrane separation systems |
| 11/18/1992 | CN1019105B Hydrocarbon gas separation process |
| 11/11/1992 | EP0512343A2 Amino acid derivatives and their use as anti-viral agents |
| 11/11/1992 | EP0512170A1 Separation of ethane from methane by pressure swing adsorption |
| 11/10/1992 | US5162597 Ammonium or Alkali Metal Tungstates |
| 11/10/1992 | CA1309952C Process for removing carbonyl-sulfide from liquid hydrocarbon feedstocks |
| 11/04/1992 | EP0511739A1 Synthetic films with zeolite crystal bodies, and methods of making and using them |
| 11/04/1992 | CN1018918B Process and apparatus for separating hydrocarbons |
| 11/03/1992 | CA1309731C Process for separating methtl derivatives of naphthalene according to crystallization under pressure |
| 10/29/1992 | WO1992018471A1 Extraction of carotenoids from natural sources |
| 10/29/1992 | CA2108016A1 Extraction of carotenoids from natural sources |
| 10/27/1992 | US5159131 Zeolitic para-xylene separation with indan and indan derivatives as heavy desorbent |
| 10/27/1992 | US5159130 Permselectivity |
| 10/27/1992 | CA1309335C Hydrocarbon gas processing |
| 10/21/1992 | EP0509482A2 Removal of basic impurities from olefin streams |
| 10/21/1992 | EP0509168A1 Integrated adsorption process for hydrogen and hydrocarbon recovery using temperature swing step in front of pressure swing step |
| 10/21/1992 | CN1065450A Method of purifying low-carbon alpha-olefin |
| 10/20/1992 | US5157205 Solutions of caustic and sulfite |
| 10/20/1992 | US5157204 Removal of impurities from hydrocarbon feeds |
| 10/20/1992 | US5157203 Separation of organic sulfides from olefins |
| 10/20/1992 | US5157202 Gas absorption for separation of hydrocarbons |
| 10/20/1992 | US5157201 Process for adsorbing sulfur species from propylene/propane using regenerable adsorbent |
| 10/20/1992 | US5157200 Process for the fractionation of a gaseous mixture containing hydrogen light aliphatic hydrocarbons and light aromatic hydrocarbons |
| 10/20/1992 | US5157175 Composition and method for inhibition of styrene polymerization |
| 10/20/1992 | US5156816 System for purifying styrene monomer feedstock using ethylbenzene dehydrogenation waste gas |
| 10/19/1992 | CA2060018A1 Removal of basic impurities from olefin streams |
| 10/13/1992 | US5154802 Separation of unsaturated hydrocarbons by extractive distillation |
| 10/13/1992 | CA1308647C Process and apparatus for the separation of hydrocarbons |
| 10/09/1992 | WO1992017428A2 Process for upgrading the quality of light ends |
| 10/09/1992 | WO1992017427A1 Control of oxygen level in feed for improved aromatics/non-aromatics pervaporation |
| 10/09/1992 | CA2106590A1 Control of oxygen level in feed for improved aromatics/non-aromatics pervaporation |
| 10/07/1992 | CN1018544B Method and device for separating c2-stream |
| 10/06/1992 | CA1308234C Process and device for the deacidification of a gas containing h_s and(or) co_, and mercaptans |
| 10/03/1992 | WO1992013041A1 Inhibiting popcorn polymer formation with esters of inorganic acids |
| 10/01/1992 | WO1992016478A1 Process and apparatus for separating impurities from hydrocarbons |
| 09/30/1992 | EP0505807A1 Olefin purification process |
| 09/30/1992 | EP0505723A2 Process for the separation of aromatics by extractive distillation |
| 09/29/1992 | US5151161 Separation of olefinic hydrocarbons by extractive distillation |
| 09/23/1992 | EP0505238A1 Process for the separation of butenes and butanes by extractive distillation |
| 09/23/1992 | EP0504980A1 Process for the selective catalytic decomposition of alkyl ethers and alcohols in a feedstock originating from the synthesis of methyl tert-amyl ether |
| 09/23/1992 | EP0504141A1 Blendend gasolines and process for making same |
| 09/23/1992 | CA2063307A1 Process for the selective catalytic decomposition of alkyl ethers and alcohols in a feedstock originating from the synthesis of methyl tert-amyl ether |
| 09/22/1992 | US5149340 Without compressors |
| 09/21/1992 | CA2063673A1 Process for the separation of butenes and butanes through extractive distillation |
| 09/16/1992 | CN1064476A Integrated process for producing iso-butene and alkyl tert-butyl ethers |
| 09/09/1992 | EP0502265A2 Integrated process for producing iso-butene and alkyl tert-butyl ethers |
| 09/08/1992 | US5146042 Desulfurization of light olefins |
| 09/08/1992 | US5146041 Method of separating isobutylene from a C-4 hydrocarbon fraction using montmorillonite catalysts |
| 09/08/1992 | US5146040 Process for separating dimethylnaphthalene isomers with zeolite L agglomerates |
| 09/08/1992 | US5146039 Process for low level desulfurization of hydrocarbons |
| 09/08/1992 | US5145815 Regeneration of zeolitic molecular sieves with sulfur oxide absorption on soda-lime bed |
| 09/08/1992 | US5145562 Extractive distillation of mixtures containing aromatic and olefinic hydrocarbons |
| 09/08/1992 | CA1307195C Integrated method for processing a wet gas which contains methane for the purpose of removing water therefrom |
| 09/02/1992 | EP0501848A1 Process for the separation of butanes and butenes by extractive distillation |
| 09/02/1992 | CN1064071A Improved normal paraffin adsorptive seperation process using non-normal hydrocarbon pre-pulse stream |
| 08/29/1992 | CA2054894A1 Integrated process for producing iso-butene and alkyl tert-butyl ethers |
| 08/27/1992 | CA2061860A1 Extractive distillation for separating butanes from butenes |
| 08/26/1992 | EP0499728A1 Solvent dewaxing process |
| 08/26/1992 | CN1018022B Hydrocarbon gas processing |
| 08/25/1992 | US5141724 Mercury removal from gaseous hydrocarbons |
| 08/11/1992 | US5138113 Process for producing alkylaromatic hydrocarbons from natural gas |
| 08/11/1992 | US5138023 Unsaturated polyesters and crosslinked membranes therefrom for aromatics/saturates separation |
| 08/06/1992 | WO1992012949A1 Inhibiting popcorn polymer formation with sulfur-containing compounds |
| 08/05/1992 | EP0497698A1 Synthetic, microporous, gallium und phosphorous containing solids, synthesis therof and use thereof as catalyst and adsorbents |
| 08/05/1992 | EP0497025A1 Improved normal paraffin adsorptive separation using non-normal hydrocarbon pre-pulse stream |
| 08/05/1992 | CN1017685B Adsorbant for purification of polyolefines and process for prepation thereof |
| 08/04/1992 | US5135620 Using copper salt of hydrocarbonsulfonic acid as extractant |
| 08/04/1992 | US5135617 N-/b-hydroxyethyl/-2-pyrrolidone and/or cyclohexanol as solvent |
| 08/04/1992 | US5135547 Facilitated liquid membranes for olefin/paraffin gas separations and related process |
| 07/30/1992 | WO1992012948A1 Inhibiting popcorn polymer formation with alkyl halides |
| 07/30/1992 | WO1992012947A1 Inhibiting popcorn polymer formation with compounds incorporating group iv elements |
| 07/29/1992 | EP0496060A2 Process for separating aromatics from hydrocarbon mixtures of any given aromatic content |
| 07/29/1992 | CN1063051A Energy-saving process for separation of light hydrocarbons |
| 07/28/1992 | US5134242 Catalytic olefin upgrading process using synthetic mesoporous crystalline material |
| 07/28/1992 | US5134241 Multistage olefin upgrading process using synthetic mesoporous crystalline material |
| 07/21/1992 | US5132485 Adsorptive separation of alpha-olefins and internal olefins |
| 07/14/1992 | CA1304911C Sulfur removal from hydrocarbons |
| 07/08/1992 | CN1062522A Extraction of sym-tetratoluene from c-10 heavy aromatic hydrocarbon |
| 07/01/1992 | EP0493347A2 Process for the purification of methane |
| 07/01/1992 | EP0491767A1 Absorbent material and uses thereof. |
| 06/30/1992 | CA1304409C Oligomeric amine and phenolic antidegradants |
| 06/25/1992 | WO1992010535A1 Method of regeneration of a hydrocarbon based liquid that contains titanium and/or chlorine compounds |
| 06/25/1992 | WO1992010449A1 Removal of sulfur contaminants from hydrocarbons using n-halogeno compounds |