| Patents for C07C 15 - Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic part (13,158) |
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| 05/11/1999 | US5902918 Using redox catalyst prepared by admixing catalytic component bismuth oxide and titanium oxide in the presence of lanthanum and an alkali metal oxide and alkaline earth metal oxide |
| 05/11/1999 | US5902917 Ethylbenzene and cumene; transalkylation then cascading effluent into an alkylation zone with ethylene and propylene |
| 05/11/1999 | US5902909 Compounds used in production of fluorescent whitening agents |
| 05/06/1999 | WO1999021935A1 Light-emitting dendrimers and devices |
| 05/06/1999 | EP0913377A1 Isomerisation process for C8-aromatics including a recycle |
| 05/06/1999 | EP0913196A1 An alkylation catalyst and the application thereof |
| 05/06/1999 | EP0912473A1 Methylation of toluene to para-xylene |
| 05/06/1999 | EP0912471A1 Polymerisation inhibitor |
| 05/05/1999 | CN1043223C Production of ethyltoluene |
| 05/04/1999 | US5900519 Catalytic process for the selective alkylation of polycyclic aromatic compounds |
| 05/04/1999 | US5900518 Heat integration in alkylation/transalkylation process |
| 05/04/1999 | CA2143404C Process for removal of heteroatoms under reducing conditions in supercritical water |
| 04/29/1999 | WO1999020584A1 Composition and method for inhibiting polymerization during the anaerobic production of styrene |
| 04/29/1999 | WO1999007656A3 Improved processes for making surfactants via adsorptive separation and products thereof |
| 04/27/1999 | US5898090 Aromatic isomerization using a modified silicoaluminophosphate |
| 04/22/1999 | WO1999019281A1 Process for preparing 2,6-dimethylnaphtalene |
| 04/22/1999 | WO1999019278A1 Process for preparing 2,6-dialkylnaphthalene |
| 04/22/1999 | WO1999019275A1 Process for electrophilic aromatic substitution |
| 04/21/1999 | EP0909216A1 Zeolite catalyst and its use in hydrocarbon conversion |
| 04/21/1999 | CN1043037C Hydrodealkylation process |
| 04/21/1999 | CN1043036C Aromatic alkylation and its liquid/solid circulation fluidized bed device |
| 04/20/1999 | US5895829 Catalytic oxygen transfer; dehydrogenation; heat exchanging, regeneration |
| 04/20/1999 | CA2143826C Method of regenerating deactivated catalyst |
| 04/20/1999 | CA2077605C Stabilized 141b |
| 04/15/1999 | WO1998009928A3 Alkylation process using zeolite beta |
| 04/14/1999 | EP0908437A1 Method for separating alkylnaphthalene |
| 04/14/1999 | EP0817766B1 Use of naturally acid smectites to remove olefines from aromatics or aromatic mixtures |
| 04/14/1999 | CN1042929C Improved process for alkylation of aromatics with linear olefins derived from linear paraffin dehydrogenation step |
| 04/13/1999 | US5894076 Treating light naptha to remove unsaturated materials then alkylating benzene to produce ethylbenzene or cumene |
| 04/07/1999 | EP0906257A1 Mixtures containing monomers and stabilizers |
| 04/07/1999 | EP0797559B1 Dehydrogenation catalyst having a bimodal pore size distribution |
| 04/06/1999 | CA2077606C Inhibited 141b |
| 03/31/1999 | EP0905112A2 Process for the production of styrene |
| 03/31/1999 | EP0767768B1 Haloalkylation process |
| 03/31/1999 | CN1212677A Processf or preparing parasylene |
| 03/31/1999 | CN1212676A Process for conversion of ethylbenzene |
| 03/31/1999 | CN1212250A Method for preparing industrial phenanthrene |
| 03/30/1999 | CA2133305C Method for manufacturing ethylbenzene |
| 03/30/1999 | CA2001645C Adsorptive separation of para-xylene using a tetralin desorbent |
| 03/24/1999 | EP0903331A1 Process for inhibiting polymerization during distillation of vinyl aromatics |
| 03/24/1999 | EP0785178B1 Process for producing aromatic hydrocarbon |
| 03/24/1999 | CN1211968A Mixture containing monomers and stabilizers |
| 03/23/1999 | US5886240 Process for preparing aromatic acetylenes using palladacycles as catalysts |
| 03/23/1999 | US5885439 Catalytic reforming process with multiple zones |
| 03/23/1999 | US5884777 Simulated moving bed absorption separation process |
| 03/17/1999 | CN1042528C Hydrodehalogenation reaction catalysed by holohydrocarbon |
| 03/17/1999 | CA2246942A1 Process for inhibiting polymerization during distillation of vinyl aromatics |
| 03/11/1999 | WO1999011740A1 Aromatics separation process and method of retrofitting existing equipment for same |
| 03/11/1999 | CA2302681A1 Aromatics separation process and method of retrofitting existing equipment for same |
| 03/10/1999 | EP0808299A4 Heavy aromatics processing |
| 03/10/1999 | EP0797560B1 Large particle dehydrogenation catalyst and process |
| 03/10/1999 | CN1210510A Process and system for alkylation of aromatic compounds |
| 03/10/1999 | CN1210509A Alkylation of benzene to form linear alkylbenzenes using fluorin e-containing mordenites |
| 03/10/1999 | CN1042419C Preparation of heavy alkyl benzenes |
| 03/09/1999 | US5880320 Multistage process involving forming cracked gas and liquid, fractioning cracked gas in demethanization zone to produce ethylene, reacting ethylene and benzene to produce ethylbenzene, converting to styrene |
| 03/09/1999 | US5879585 Exhibit good miscibility with other liquid crystalline compounds; useful for display of watches, computer terminals, and televisions |
| 03/04/1999 | WO1999010096A1 Agglomerated zeolite adsorbents, method for obtaining them and use for adsorbing paraxylene from aromatic c8 cuts fractions |
| 03/03/1999 | EP0899013A1 New catalysts suitable for the conversion reactions of organic compounds |
| 03/03/1999 | EP0899012A1 New catalysts suitable for the conversion reactions of organic compounds |
| 03/03/1999 | EP0898554A1 Process for the manufacture of surfactants containing branch chain alkyl groups |
| 03/02/1999 | US5877385 Process including extractive distillation and/or dehydrogenation to produce styrene from petroleum feedstock including ethyl-benzene/xylene mixtures |
| 03/02/1999 | US5877373 C8 alkylaromatic hydrocarbon production using reversible flow reactive chromatography |
| 03/02/1999 | US5877370 Method for minimizing diarylalkane formation in alkylation of aromatics by olefins by zeolite beta |
| 03/02/1999 | US5877368 Method for producing aromatic hydrocarbons |
| 02/24/1999 | EP0729446B1 Production of para-xylene by selective methylation of toluene with methyl halides |
| 02/24/1999 | CN1208727A Continuous rectifying tech for crude naphthalene fraction from coke prond. plant |
| 02/24/1999 | CN1042221C Process for prodn. of ethylbenzene |
| 02/18/1999 | WO1999007656A2 Improved processes for making surfactants via adsorptive separation and products thereof |
| 02/18/1999 | WO1999007655A1 A combination process for manufacturing ethylene, ethylbenzene and styrene |
| 02/17/1999 | CN1207960A Catalyst for alkylation to prepare ethylbenzene, its preparation process, and new technology for preparing ethylbenzene by alkylation |
| 02/16/1999 | US5872075 Catalyst for oxidation of hydrogen, method for selective oxidation of hydrogen, and method for dehydrogenation of hydrocarbon |
| 02/16/1999 | CA2163222C Regeneration and stabilization of dehydrogenation catalyst |
| 02/10/1999 | EP0895977A1 Process for reducing the residual olefin content of an alkylation reaction product |
| 02/10/1999 | EP0895976A1 Process for the alkylation of heavy mono-alkylates of single-ring aromatic hydrocarbons |
| 02/10/1999 | CN1207330A Catalysts for dehydrogenating ethylbenzene to styrene |
| 02/09/1999 | US5869717 Adding a nitroso compound such as n-nitroso-n,n'-di-3-pentyl-p-phenylenediamine. |
| 02/06/1999 | CA2238228A1 Process for reducing the residual olefin content of an alkylation reaction product |
| 02/04/1999 | WO1999005241A1 Cleaning products comprising improved alkylarylsulfonate surfactants prepared via vinylidene olefins and processes for preparation thereof |
| 02/03/1999 | EP0894528A2 Potassium ferrate-containing catalysts for dehydrogenating ethylbenzene to styrene |
| 02/02/1999 | US5866740 Production of para-xylene from an effluent from paraselective toluene disproportionation using a crystallization process combined with simulated moving bed adsorption |
| 02/02/1999 | US5866738 The aromatic hydrocarbon, before the alkylation, is: a) treated to eliminate the oxygen dissolved therein; and/or b) percolated through a fixed bed consisting of particles of alumina modified with silver. |
| 02/02/1999 | US5866736 Alkylated toluene used to transalkylate benzene to reduce the amount of benzene in gasoline. |
| 02/02/1999 | US5866733 Preparation of diarylethanes |
| 02/01/1999 | CA2244188A1 Catalysts for dehydrogenating ethylbenzene to styrene |
| 01/28/1999 | WO1999003805A1 Method of making 2,6-dimethylnaphthalene from other dimethylnaphthalene isomers and from dimethyltetralins/dimethyldecalins with a methyl group on each ring |
| 01/28/1999 | CA2295538A1 Method of making 2,6-dimethylnaphthalene from other dimethylnaphthalene isomers and from dimethyltetralins/dimethyldecalins with a methyl group on each ring |
| 01/27/1999 | EP0893487A1 Production of benzene, toluene and xylene (BTX) from FCC naphtha |
| 01/20/1999 | CN1205322A Method for producing diarymethane or its derivatives |
| 01/19/1999 | CA2059808C Catalyst for the production of aromatic hydrocarbons and process for producing aromatic hydrocarbons by the use thereof |
| 01/14/1999 | WO1999001524A1 Removal of benzene from organic streams using cyclodextrins |
| 01/14/1999 | CA2292762A1 Removal of benzene from organic streams using cyclodextrins |
| 01/13/1999 | EP0890562A1 Process for producing diarylmethanes or their derivatives |
| 01/13/1999 | EP0889750A1 Process for the preparation of spherically shaped microcomposites |
| 01/12/1999 | US5859302 Processes employing reusable aluminum catalysts |
| 01/07/1999 | EP0889016A1 Process for preparing dialkylnaphthalene |
| 01/07/1999 | EP0888268A1 Method for the cyclotrimerization of alkynes in aqueous solutions |
| 01/07/1999 | DE19727021A1 Ethyl-benzene and ortho-xylene production with high yield and selectivity from olefin mixture |
| 01/06/1999 | CN1041513C Composition of vinyl aromatic monomers and its inhibiting polymerization process |
| 01/05/1999 | US5856613 Catalytic hydrodealkylation |
| 01/05/1999 | US5856607 Process for production of ethylbenzene frome dilute ethylene streams |