Patent application number | Description | Published |
20110037022 | Process for Producing Phenol and/or Cyclohexanone - In a process for producing phenol and/or cyclohexanone, benzene and hydrogen are contacted with a first catalyst in a hydroalkylation step to produce a first effluent stream comprising cyclohexylbenzene, cyclohexane, and unreacted benzene. At least part of the first effluent stream is supplied to a first separation system to divide the first effluent stream part into a cyclohexylbenzene-rich stream and a C6 product stream comprising unreacted benzene and cyclohexane. | 02-17-2011 |
20120083637 | Regeneration of Metal-Containing Catalysts - In a process for the regeneration of a coked metal-containing catalyst, the coked catalyst is contacted in a regeneration zone with an atmosphere which contains carbon dioxide and carbon monoxide at a temperature of at least 400° C. | 04-05-2012 |
20120302798 | Dehydrogenation Process - A dehydrogenation process for the dehydrogenation of at least one dehydrogenatable hydrocarbon, the process comprising contacting a feed comprising the at least one dehydrogenatable hydrocarbon under dehydrogenation conditions with a catalyst composition comprising a support and at least one dehydrogenation component wherein said conditions include a temperature of from 400° C. to 750° C. and a pressure of at least 50 psig (345 kPag). | 11-29-2012 |
20120302799 | Dehydrogenation Catalyst And Process - A catalyst composition comprises (i) a support; (ii) a dehydrogenation component comprising at least one metal or compound thereof selected from Groups 6 to 10 of the Periodic Table of Elements; and (iii) potassium or a potassium compound present in an amount of about 0.15 to about 0.6 wt % of potassium based upon the total weight of the catalyst composition, wherein the catalyst composition has an oxygen chemisorption of greater than 50%. | 11-29-2012 |
20130090499 | Cyclohexanone Dehydrogenation Catalyst and Process - A catalyst composition comprising: (i) a support; (ii) a first component comprising at least one metal component selected from Group 1 and Group 2 of the Periodic Table of Elements; and (iii) a second component comprising at least one metal component selected from Groups 6 to 10 of the Periodic Table of Elements, wherein the catalyst composition exhibits an oxygen chemisorption of greater than 50%. | 04-11-2013 |
20130204048 | Dehydrogenation Process - In a process for the dehydrogenation of at least one dehydrogenatable hydrocarbon, at least one dehydrogenatable hydrocarbon selected from an oxygen-containing six-membered carbon ring compound is supplied to a first dehydrogenation reaction zone together with at least one stabilizing compound selected from a non-oxygen-containing six membered carbon ring compound to the first dehydrogenation reaction zone, such that the weight ratio of the stabilizing compound to the dehydrogenatable hydrocarbon supplied to the first dehydrogenation reaction zone is in the range of from 1:200 to 200:1. The dehydrogenation feed stream and the at least one stabilizing compound are contacted with a first dehydrogenation catalyst in the first dehydrogenation reaction zone under dehydrogenation conditions to convert at least a portion of the dehydrogenatable hydrocarbon into an unsaturated six-membered carbon ring compound and hydrogen. | 08-08-2013 |
20140066663 | Dehydrogenation Catalyst and Process - A catalyst composition comprises (i) a support; (ii) a dehydrogenation component comprising at least one metal or compound thereof selected from Groups 6 to 10 of the Periodic Table of Elements; and (iii) tin or a tin compound, wherein the tin is present in an amount of 0.01 wt % to about 0.25 wt %, the wt % based upon the total weight of the catalyst composition. | 03-06-2014 |
20140212666 | Alkyl Aromatic Hydroalkylation for the Production of Plasticizers - Provided are compounds of the following: | 07-31-2014 |
20140213709 | ALKYL AROMATIC HYDROALKYLATION FOR THE PRODUCTION OF PLASTISIZERS - Provided are compounds of the following: | 07-31-2014 |
20140275605 | (Methylcyclohexyl)Toluene Isomer Mixtures,Their Production and Their Use in the Manufacture of Plasticizers - A composition is described comprising a mixture of (methylcyclohexyl)toluene isomers having the following formula: | 09-18-2014 |
20140275606 | Methyl-Substituted Biphenyl Compounds, Their Production and Their Use in the Manufacture of Plasticizers - In a process for producing a methyl-substituted biphenyl compound, at least one methyl-substituted cyclohexylbenzene compound of the formula: | 09-18-2014 |
20140275609 | Methyl-Substituted Biphenyl Compounds, Their Production and Their Use in the Manufacture of Plasticizers - In a process for producing methyl-substituted biphenyl compounds, a feed comprising at least one aromatic hydrocarbon selected from the group consisting of toluene, xylene and mixtures thereof is contacted with hydrogen in the presence of a hydroalkylation catalyst under conditions effective to produce a hydroalkylation reaction product comprising (methylcyclohexyl)toluenes and/or (dimethylcyclohexyl)xylenes. At least part of the hydroalkylation reaction product is then dehydrogenated in the presence of a dehydrogenation catalyst under conditions effective to produce a dehydrogenation reaction product comprising a mixture of methyl-substituted biphenyl compounds. | 09-18-2014 |
20140316155 | Methyl-Substituted Biphenyl Compounds, Their Production and Their Use in the Manufacture of Plasticizers - In a process for producing methyl-substituted biphenyl compounds, a feed comprising at least one aromatic hydrocarbon selected from the group consisting of toluene, xylene and mixtures thereof is contacted with hydrogen in the presence of a hydroalkylation catalyst under conditions effective to produce a hydroalkylation reaction product comprising (methylcyclohexyl)toluenes and/or (dimethylcyclohexyl)xylenes together with dialkylated C | 10-23-2014 |
20140378697 | Hydroalkylation Catalyst and Process for Use Thereof - This invention relates to process for producing biphenyl esters, the process comprising:
| 12-25-2014 |
20150080545 | Production and Use of 3,4' and 4,4'-Dimethylbiphenyl Isomers - In a process for producing 3,4′ and/or 4,4′ dimethyl-substituted biphenyl compounds, a feed comprising toluene is contacted with hydrogen in the presence of a hydroalkylation catalyst under conditions effective to produce a hydroalkylation reaction product comprising (methylcyclohexyl)toluenes. At least part of the hydroalkylation reaction product is dehydrogenated in the presence of a dehydrogenation catalyst under conditions effective to produce a dehydrogenation reaction product comprising a mixture of dimethyl-substituted biphenyl isomers. The dehydrogenation reaction product is then separated into at least a first stream containing at least 50% of 3,4′ and 4,4′ dimethylbiphenyl isomers by weight of the first stream and at least one second stream comprising one or more 2,x′ (where x′ is 2′, 3′, or 4′) and 3,3′ dimethylbiphenyl isomers. | 03-19-2015 |
20150080546 | Production and Use of 3,4' and 4,4'-Dimethylbiphenyl Isomers - In a process for producing 3,4′ and/or 4,4′ dimethyl-substituted biphenyl compounds, a feed comprising toluene is contacted with hydrogen in the presence of a hydroalkylation catalyst under conditions effective to produce a hydroalkylation reaction product comprising (methylcyclohexyl)toluenes. At least part of the hydroalkylation reaction product is dehydrogenated in the presence of a dehydrogenation catalyst under conditions effective to produce a dehydrogenation reaction product comprising a mixture of dimethyl-substituted biphenyl isomers. The dehydrogenation reaction product is then separated into at least a first stream containing at least 50% of 3,4′ and 4,4′ dimethylbiphenyl isomers by weight of the first stream and at least one second stream comprising one or more 2,x′ (where x′ is 2′, 3′, or 4′) and 3,3′ dimethylbiphenyl isomers. | 03-19-2015 |