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| Number | Title | Issue Date |
| 7419930 | Catalytic composition for the aromatization of hydrocarbons The present invention regards a catalytic composition comprising gallium, at least one element chosen in the group of the lanthanides, and a zeolite belonging to the MFI, MEL or MFI/MEL families, the crystal lattice of which is made up of silicon oxide and at least ... | 09/02/2008 |
| 7241931 | Process for the preparation of 2,6-dimethylnaphthalene A highly selective process is described for preparing 2,6-dimethylnaphthalene which comprises reacting a naphthalene hydrocarbon selected from naphthalene, methylnaphthalenes, dimethylnaphthalenes, trimethylnaphthalenes, polymethylnaphthalenes, and/or their mixtures... | 07/10/2007 |
| 7164052 | Catalytic composition for the aromatization of hydrocarbons Aromatic hydrocarbon compounds are produced by a process of contacting one or more aliphatic hydrocarbons containing from 3 to 6 carbon atoms with a catalytic composition comprising (i) gallium, (ii) at least one lanthanide element, and (iii) a zeolite selected from... | 01/16/2007 |
| 7154015 | Process for the production of propylene from olefinic streams Process for the production of propylene starting from mixtures of hydrocarbons, prevalently olefins, the above hydrocarbons having a boiling point ranging from −15° C. to +80° C., preferably from −12° C. to +60° C., which comprises putting the above mixture ... | 12/26/2006 |
| 7122501 | Catalyst and process for the direct synthesis of hydrogen peroxide A description follows of a bimetallic catalyst, obtained by dispersing in sequence and alternating the precursors of the single metal components of the catalyst on a carrier, and a process for the synthesis of hydrogen peroxide by the direct reaction of hydrogen wit... | 10/17/2006 |
| 7074383 | Process for preparing bound zeolites A process is described for the preparation of zeolitic catalysts in the form of microspheres, comprising zeolite and oligomeric silica, characterized by a high mechanical resistance. The process consists in subjecting to rapid drying the suspension, to which tetra-a... | 07/11/2006 |
| 7019186 | Process for the preparation of 2,6-dimethylnaphthalene A highly selective process is described for preparing 2,6-dimethylnaphthalene which comprises reacting a naphthalene hydrocarbon selected from naphthalene, methylnaphthalenes, dimethylnaphthalenes, trimethylnaphthalenes, polymethylnaphthalenes, and/or their mixtures... | 03/28/2006 |
| 7018595 | Process for preparing bound zeolites A process is described for the preparation of zeolitic catalysts in the form of microspheres, comprising zeolite and oligomeric silica, characterized by a high mechanical resistance. The process consists in subjecting to rapid drying the suspension, to which tetra-a... | 03/28/2006 |
| 6924247 | Method for the separation of zeolites The object of the present invention relates to a simple, rapid and inexpensive process for effecting solid-liquid separations in the case of zeolites, also having small crystals. This process, which is particularly useful for the recovery of zeolite crystals in susp... | 08/02/2005 |
| 6924406 | Process for separating mixtures of hydrocarbon isomers in gas phase on molecular sieves A process for separating mixtures of hydrocarbon isomers on molecular sieves, including providing columns which include molecular sieves and function alternatively as secondary adsorption, primary adsorption, and desorption devices, feeding the mixtures of hydrocarb... | 08/02/2005 |
| 6867258 | High transparency polymeric composition High transparency polymeric composition essentially consisting of: (1) from 30 to 95% of polystyrene; (2) from 70% to 5% of a composition of vinylarene-conjugated diene block copolymers; the percentage sum of (1) and (2... | 03/15/2005 |
| 6784316 | Purification method of Cyclohexanone-oxime The invention relates to a purification method of cyclohexanone-oxime in a solution of solvents immiscible with water, which consists in washing said solutions with water or with an aqueous solution of a base having a pK | 08/31/2004 |
| 6780947 | Metal complexes comprising a 2,6-diacylpyridine-ligand and their use in the polymerization of ethylene Organometallic complex having the formula (IAP)M(X)n which can be used for die formation of catalytic systems wherein: M is a metal selected from transition metals and lanthanides, in oxidation state “s” positive and different from zero; each X is ind... | 08/24/2004 |
| 6143824 | Polymeric compositions Polymeric compositions comprising: a) at least one aromatic thermoplastic polymer or a vinylaromatic thermoplastic (co)polymer; b) at least one thermoplastic resin selected from a (co)polymer optionally modified with rubber, comprising a vinylaromatic monomer ... | 11/07/2000 |
