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| Number | Title | Issue Date |
| 5955640 | Integrated process for the production of butene-1 Integrated process for the production of butene-1 which comprises feeding a C4 hydrocarbon stream to a separation unit of butene-1 and recycling the remaining stream to the same unit after treatment in a bond isomerization section to convert th... | 09/21/1999 |
| 5705673 | Continuous process for the preparation of phenyl methyl carbonate The present invention relates to a continuous process for the preparation of phenyl methyl carbonate. The process is carried out in a first distillation column consisting of a lower reactive section and an upper rectification section and a second rectific... | 01/06/1998 |
| 5672771 | Integrated process for the production of ter-amyl alkyl ethers Integrated process for the production of ter-amyl alkyl ethers which comprises the feeding of a C5 hydrocarbon stream to an etherification reactor and the recycling of the remaining stream to the same reactor, after treatment in an isomerizatio... | 09/30/1997 |
| 5563299 | Integrated process for the simultaneous production of alkyl tert-butyl ethers and 1-butene An integrated process for the simultaneous production of alkyl tert-butyl ethers and 1-butene, comprising feeding a C4 hydrocarbon stream to an etherification unit and recycling the remaining stream to the same unit after possible separation of... | 10/08/1996 |
| 5510562 | Process for separating mixtures of aromatic C8 hydrocarbons A processing cycle for separating C8 aromatics (mixtures of ortho-, para-, meta-xylene and ethylbenzene) is disclosed, in which a first subdivision of the mixture is preformed into two streams respectively comprising: para-xylene and ethylbenze... | 04/23/1996 |
| 5126498 | Process for the separation of isomeric dichlorotoluenes The process for the separation of isomeric dichlorotoluenes, comprising the steps of: (a) passing a mixture containing isomeric dichlorotoluenes over a zeolite of the ZSM5 type having the composition (expressed in molar ratios) of (0.9+0.2) M2/... | 06/30/1992 |
| 4766262 | Process for separating isomeric dichlorotoluenes by adsorption A process for separating dichlorotoluene isomers from a mixture containing at least two dichlorotoluene isomers comprising (a) passing said mixture containing dichlorotoluene isomers through a mordenite having the following composition; in molar ratios: a H | 08/23/1988 |
