| Patents for C07C 6 - Preparation of hydrocarbons from hydrocarbons containing a different number of carbon atoms by redistribution reactions (4,092) | 
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| 01/07/1999 | WO1999000189A1 Supported catalyst used in the production of cycloalkadienes in a metathesis reaction | 
| 01/07/1999 | EP0889016A1 Process for preparing dialkylnaphthalene | 
| 01/07/1999 | EP0888264A1 Process for the preparation of alpha olefins | 
| 01/07/1999 | EP0888187A1 Crystalline metallophosphates | 
| 01/07/1999 | DE19727256A1 Trägerkatalysator zur Verwendung bei der Herstellung von Cycloalkadienen in einer Metathesereaktion A supported catalyst for use in preparing cycloalkadienes in a metathesis reaction | 
| 01/07/1999 | CA2292584A1 Supported catalyst used in the production of cycloalkadienes in a metathesis reaction | 
| 01/05/1999 | US5856609 Aromatic hydrodealkylation process with sulfur oxide containing catalyst | 
| 01/05/1999 | US5856608 Hydrotreating catalyst composition and processes therefor and therewith | 
| 12/23/1998 | EP0630290B1 Process for preparing a shape selective conversion catalyst | 
| 12/17/1998 | WO1998056741A1 Heavy aromatics processing | 
| 12/16/1998 | EP0884103A1 Catalyst based on high-silica zeolite and bismuth and its use for the conversion of aromatic hydrocarbons | 
| 12/15/1998 | US5849969 Hydrodealkylation processes | 
| 12/15/1998 | US5849968 Hydrocarbon conversion process with alkaline earth metal ion exchanged selectivated zeolite catalyst | 
| 12/09/1998 | EP0882691A1 Process and apparatus for carrying out a reaction, such as dimerisaton or metathesis, on an organic feedstock in the presence of a polar phahse containg a catalyst | 
| 12/09/1998 | EP0882002A1 Process for selectively opening naphthenic rings | 
| 12/09/1998 | CN1041061C Activated zeolite beta catalyst and isomerization process therefor | 
| 12/08/1998 | US5847256 Process for producing xylene | 
| 12/08/1998 | US5847255 Gas phase alkylation-liquid phase transalkylation process | 
| 12/08/1998 | US5847251 Multibed transalkylator and process | 
| 12/08/1998 | US5846400 Methods of using zeolite SSZ-42 | 
| 12/02/1998 | EP0769984A4 Zeolite ssz-41 | 
| 12/01/1998 | US5844064 Process for preparing dialkylnaphthalene | 
| 11/25/1998 | EP0879809A1 Gas phase alkylation-liquid phase transalkylation process | 
| 11/25/1998 | CN1199727A Gas phase alkylation-liquid transalkylation process | 
| 11/18/1998 | EP0877781A1 Shape selective zeolite catalyst and its use in aromatic compound conversion | 
| 10/28/1998 | EP0873291A1 Process for manufacturing ethylbenzene or cumene | 
| 09/22/1998 | US5811624 Selective opening of five and six membered rings | 
| 09/22/1998 | US5811612 Pore size catalyst comprising zeolite beta or modified zeolite beta and inorganic binder | 
| 09/22/1998 | CA2079211C Use of organic derivatives of rhenium oxides as catalysts for ethenolytic metathesis of olefinic compounds and process for ethenolytic metathesis of olefinic compounds using thesecatalysts | 
| 09/16/1998 | EP0863861A1 Selective opening of five and six membered rings | 
| 09/16/1998 | CN1192944A Process for preparing oxidate zeolite and application as catalyst thereof | 
| 09/16/1998 | CN1039807C Process for reducing the degree of branching of branched olefins | 
| 09/09/1998 | CN1192770A Shape selective zeolite catalyst and its use in aromatic compound conversion | 
| 08/18/1998 | CA2023679C Method for preparing .alpha.-(4-isobutylphenyl)propionic acid or its precursor | 
| 08/06/1998 | WO1998012159A3 Selective catalytic conversion of a c9 aromatic feedstock containing substantial amounts of ethyl substituted aromatic components to a product rich in toluene and/or xylenes | 
| 08/05/1998 | EP0649387B1 Synthesis of zeolite films bonded to substrates, structures and uses thereof | 
| 08/04/1998 | US5789641 Process for dismutation and/or transalkylation of alyklaromatic hydrocarbons in the presence of two zeolitic catalysts | 
| 07/09/1998 | WO1998029338A1 Zeolite ssz-45 | 
| 07/09/1998 | WO1998029336A1 Zeolite ssz-48 | 
| 07/08/1998 | EP0837840A4 In situ mitigation of coke buildup in porous catalysts with supercritical reaction media | 
| 07/07/1998 | US5776852 Transalkylation catalyst | 
| 07/02/1998 | WO1998028245A1 Oligomer mixtures derived from cyclopentene; method for the production and use thereof | 
| 07/02/1998 | CA2275473A1 Oligomer mixtures derived from cyclopentene; method for the production and use thereof | 
| 06/30/1998 | US5773679 Performance enhancement of zeolite catalysts with water cofeed | 
| 06/30/1998 | US5773678 Use of an omega zeolite based catalyst comprising at least one metal from groups IIa, IVb, IIb or IVa for the dismutation and/or transalkylation of alkylaromatic hydrocarbons | 
| 06/25/1998 | DE19654166A1 Von Cyclopenten abgeleitete Oligomerengemische, Verfahren zu ihrer Herstellung und ihre Verwendung Cyclopentene-derived oligomer mixtures, processes for their preparation and their use | 
| 06/23/1998 | US5770175 Method of preparing zeolite SSZ-42 | 
| 06/17/1998 | EP0847802A1 Catalytic composition and process for the alkylation and/or transalkylation of aromatic compounds | 
| 06/17/1998 | CN1184708A Improved NES structure zeolite, the application in disproportionation reaction and/or alkyl-transferring of alkyl aromatics | 
| 06/10/1998 | EP0741682B1 Ethylene conversion process | 
| 06/09/1998 | US5763727 Fluidized bed paraffin disproportionation | 
| 06/09/1998 | US5763720 Hydrogenation catalysts, steaming and exchanging alkyl groups | 
| 05/20/1998 | EP0841988A1 A ruthenium-based catalyst system for olefin metathesis | 
| 05/20/1998 | EP0804393A4 Shape selective hydrocarbon conversion | 
| 05/20/1998 | CN1182070A Toluene disproportionation process | 
| 05/20/1998 | CN1182069A Preparation of propene | 
| 05/13/1998 | CN1181367A Gas phase alkylation-liquid transalkylation process | 
| 05/13/1998 | CN1181366A Heat integration in alkylation/transalkylation process | 
| 05/06/1998 | EP0839784A1 Heat exchange integration in alkylation/transalkylation process | 
| 05/06/1998 | EP0839783A1 Gas phase alkylation-liquid phase transalkylation process | 
| 05/05/1998 | US5747409 Catalytic compositions based on compounds of rhenium and aluminium, preparation thereof and use thereof for the metathesis of olefins | 
| 05/05/1998 | US5747408 Supported catalysts containing rhenium and aluminium, preparation thereof and use thereof for the metathesis of olefins | 
| 04/29/1998 | EP0838449A1 Process for the production of isobutene and propene from hydrocarbon fractions with four carbon atoms | 
| 04/29/1998 | EP0837840A1 In situ mitigation of coke buildup in porous catalysts with supercritical reaction media | 
| 04/29/1998 | EP0703886A4 Process for modifying the shape selectivity of a zeolite catalyst and use of the mofified catalyst | 
| 04/29/1998 | EP0566680B1 Layered oxide materials and swollen and pillared forms thereof | 
| 04/28/1998 | US5744686 Adsorption of nitrogen compounds selected from acetonitrile, acrylonitrile, propionitrile by passing the stream to an adsorption zone containing non-acidic molecular seive adsorbent, withdrawing effluent free of nitrogen compounds | 
| 04/28/1998 | US5744673 Disproportionation | 
| 04/28/1998 | US5744670 Transalkylation and isomerization of a feedstock comprising isomers of dialkyl naphthalene and naphthalene with a catalyst having a specific x-ray diffraction patterns | 
| 04/23/1998 | WO1998016468A1 Hydrocarbon conversion using large crystal zeolite catalyst | 
| 04/22/1998 | CN1179771A Heavy aromatics processing | 
| 04/09/1998 | WO1998014417A1 A zeolite-based ethylbenzene process adaptable to an aluminum chloride-based ethylbenzene plant | 
| 04/02/1998 | DE19640026A1 Production of propene and 1-butene | 
| 04/01/1998 | EP0832867A1 Process for the preparation of propene | 
| 03/27/1998 | CA2215426A1 Preparation of propene | 
| 03/26/1998 | WO1998012159A2 Selective catalytic conversion of a c9 aromatic feedstock containing substantial amounts of ethyl substituted aromatic components to a product rich in toluene and/or xylenes | 
| 03/26/1998 | CA2265456A1 Selective catalytic conversion of a c9 aromatic feedstock containing substantial amounts of ethyl substituted aromatic components to a product rich in toluene and/or xylenes | 
| 03/25/1998 | EP0800497A4 Continuous process for preparing ethylbenzene using liquid phase alkylation and vapor phase transalkylation | 
| 03/18/1998 | EP0758267B1 Heterogeneous metathesis catalyst | 
| 03/10/1998 | US5726114 Method of preparation of ex situ selectivated zeolite catalysts for enhanced shape selective applications and methods to increase the activity thereof | 
| 03/10/1998 | US5725756 In situ mitigation of coke buildup in porous catalysts with supercritical reaction media | 
| 03/03/1998 | US5723713 Oligomerization, metathesis | 
| 03/03/1998 | US5723710 Alkylene with propylene to form cumene | 
| 02/26/1998 | WO1998007673A1 Process for the production of alkylated benzenes | 
| 02/25/1998 | EP0825152A1 Zeolite NU-88, method for its preparation and its catalytic uses | 
| 02/25/1998 | EP0825151A1 Modified zeolite with the NES structure, and the use thereof for the dismutation and/or transalkylation of alkylaromatic hydrocarbons | 
| 02/25/1998 | CN1174184A Methylbenzene disproportionating and alkyl group transfering process | 
| 02/04/1998 | EP0625928B1 Co-ordination catalyst system | 
| 01/28/1998 | CN1171770A Paraxylene separation process comprising at least two high temp crystallization stages | 
| 01/28/1998 | CN1171386A Use of omega zeolite based catalyst comprising at least one metal from groups IIA, IVB, IIB or IVA and its application | 
| 01/22/1998 | WO1998002244A1 Method of metathesis of alcanes and catalyst | 
| 01/21/1998 | EP0819666A1 Toluene disproportionation process | 
| 01/21/1998 | CN1171096A Continuous process for preparing ethylbenzene using liquid phase alkylation and vapour phase transalkylation | 
| 01/14/1998 | CN1170396A Hydrocarbon conversion process using zeolite bound zeolite catalyst | 
| 01/14/1998 | CN1170372A Aluminosilicate carrier for metathesis catalysts | 
| 01/07/1998 | EP0816311A1 Catalyst composition for transalkylation of alkylaromatic hydrocarbons and process for production of xylene | 
| 01/06/1998 | US5705726 Catalytic isomerization of xylene and ethylbenzene with zeolites | 
| 01/02/1998 | DE19625234A1 Verfahren zur selektiven heterogen-katalytischen Synthese von 4-Methyl- und 4,4'-Dimethylbiphenyl Process for the selective heterogeneous catalytic synthesis of 4-methyl, and 4,4'-dimethylbiphenyl | 
| 12/31/1997 | WO1997049654A1 Process for selective heterogenous and catalytic synthesis of 4-methyl and 4,4'-dimethyl biphenyl | 
| 12/17/1997 | EP0812813A2 Process for preparing dialkylnaphthalenes |