| Patent Number |
Title Of Patent |
Date Issued |
| 7323578 |
Process for manufacturing an oxirane |
January 29, 2008 |
| Process for manufacturing an oxirane by reaction between an olefin and a peroxide compound in a reactor containing a liquid phase, in the presence of water, one or more organic solvents, a catalyst and one or more compounds for increasing the selectivity of the catalyst toward epoxid |
| 7320779 |
Process for manufacturing an oxirane |
January 22, 2008 |
| A plant for producing hydrogen peroxide and using the hydrogen peroxide so made for manufacturing an oxirane by reaction between an olefin and said hydrogen peroxide, wherein the hydrogen peroxide is manufactured by an alkylanthrahydroquinone (AO) process in which an aqueous hydrogen |
| 7205419 |
Process for manufacturing an oxirane |
April 17, 2007 |
| Process for manufacturing an oxirane by reaction between an olefin and hydrogen peroxide in the presence of a catalyst and an organic diluent, according to which the hydrogen peroxide is an aqueous hydrogen peroxide solution obtained by extraction, with substantially pure water, of the |
| 6815552 |
Method for making an oxirane |
November 9, 2004 |
| Process for manufacturing an oxirane by reaction between an olefin and hydrogen peroxide in the presence of a catalyst and an organic diluent, according to which the hydrogen peroxide is an aqueous hydrogen peroxide solution obtained by extraction, with substantially pure water, of the |
| 6803342 |
Catalytic composition and process for the oxychlorination of ethylene using such a composition |
October 12, 2004 |
| Catalytic composition comprising copper chloride, magnesium chloride and potassium chloride deposited on an alumina, which may be used in particular for the oxychlorination of ethylene into 1,2-dichloroethane. In the processes for the oxychlorination of ethylene in oxygen in a fluid |
| 6720435 |
Oxirane production method |
April 13, 2004 |
| Process for manufacturing an oxirane in a reactor containing a liquid reaction medium, according to which an olefin is reacted, in a liquid reaction medium, with a peroxide compound in the presence of a solvent and in the presence of a solid catalyst which is used in the form of part |
| 6699812 |
Epoxidation catalyst, its use and epoxidation process in the presence of this catalyst |
March 2, 2004 |
| Epoxidation catalyst based on titanium zeolite in the form of extruded granules. Use of this catalyst in the synthesis of epoxides, preferably 1,2-epoxy-3-chloropropane or 1,2-epoxypropane, by reacting an olefinic compound, preferably allyl chloride or propylene, with a peroxide comp |
| 6603027 |
Catalyst based on zelolite, use and epoxidation method in the presence of this catalyst |
August 5, 2003 |
| The invention relates to a catalyst obtained by deposition of a zeolite of TS-1 type on an inert honeycomb-shaped support which can be used in liquid-phase reactions for the epoxidation of olefins under the action of hydrogen peroxide. |
| 6590112 |
Method for making an oxirane |
July 8, 2003 |
| Continuous process for manufacturing an oxirane, according to which an olefin is reacted at a temperature above 35.degree. C. and for a period of more than 48 hours, with a peroxide compound in the presence of a zeolite-based catalyst and in the presence of a metal salt, in which the |
| 6465382 |
Process for producing spherical catalyst particles, catalyst particles and their use in a chemic |
October 15, 2002 |
| Process for producing spherical catalyst particles containing a zeolite as active element, according to which a sol containing zeolite crystals and at least one gel-forming compound is sprayed from below directly into a reaction zone containing a reaction gas such that the sol breaks up |
| 6429322 |
Method for making an oxirane |
August 6, 2002 |
| Process for manufacturing an epoxide by reaction between an olefin and a peroxide compound in the presence of a zeolite-based catalyst and in the presence of a solvent, in which the pH of the reaction medium comprising the olefin, the peroxide compound, the catalyst, the epoxide formed a |
| 6380407 |
Method for making an oxirane |
April 30, 2002 |
| Continuous process for manufacturing an epoxide, according to which an olefin is reacted, in a reactor in the liquid phase, with a peroxide compound in the presence of a zeolite-based catalyst and in the presence of a solvent, and a gaseous compound is introduced continuously into the |
| 6350888 |
Method for making an oxirane |
February 26, 2002 |
| An epoxide prepared by epoxidation of an olefinic compound by a peroixide compound in liquid medium is separated from the reaction medium by liquid-liquid extraction using an extraction solvent. |
| 6340464 |
Adjuvants for vaccines |
January 22, 2002 |
| Vaccine adjuvants comprising a liquid medium contain polymers with anionic constitutive repeating units and hydrophobic constitutive repeating units. Advantageously, the adjuvants are aqueous solutions of partially esterified polyacrylic acids. The novel adjuvants are highly stable, |
| 6288248 |
Epichlorohydrin-based product and process for manufacturing this product |
September 11, 2001 |
| Epichlorohydrin-based product containing at least 99.9% by weight of epichlorohydrin and a total amount of chloro impurities of less than or equal to 150 ppm by weight, and process for manufacturing this product by reaction of allyl chloride with a peroxide compound in the presence of |
| 6187935 |
Method for separating an organic compound from an aqueous medium |
February 13, 2001 |
| Process for the manufacture of an organic compound in a water-containing liquid medium, according to which a mixture of reaction products comprising the organic compound, water and by-products is collected, at least a portion of the organic compound is separated from the mixture of r |
| 6169050 |
Process for regeneration of catalysts of titanium silicalite type |
January 2, 2001 |
| The invention relates to a process for the regeneration of a catalyst of titanium silicalite type, used in particular in reactions for the oxidation of saturated hydrocarbons or for the epoxidation of olefins, by heat treatment under a gas stream. |
| 5527754 |
Catalytic composition and process for the oxychlorination of ethylene using such a composition |
June 18, 1996 |
| Catalytic composition comprising copper chloride, magnesium chloride and caesium chloride deposited on an alumina, which may be used in particular for the oxychlorination of ethylene into 1,2-dichloroethane. In the processes for the oxychlorination of ethylene in oxygen in a fluid bed, |
| 5315051 |
Process for the oxychlorination of ethylene and catalyst compositions for the oxychlorination |
May 24, 1994 |
| The invention relates to a process for the oxychlorination of ethylene by means of a catalyst composition comprising an alumina support impregnated with cupric chloride, magnesium chloride and a chloride of an alkali metal chosen from sodium and lithium. The oxychlorination performed in |
| 5254777 |
Catalytic hydrochlorination system and process for the manufacture of vinyl chloride from acetyl |
October 19, 1993 |
| Liquid catalytic system comprising at least one group VIII metal compound, a fatty amine hydrochloride whose melting point is greater than 25.degree. C. and an organic solvent. This catalytic system is suitable for the preparation of vinyl chloride by reacting acetylene with hydrogen |
| 5233108 |
Catalytic hydrochlorination system and process for the manufacture of vinyl chloride from acetyl |
August 3, 1993 |
| Catalytic system comprising at least one group VIII metal compound and at least one amine hydrochloride whose melting point is lower than or equal to 25.degree. C. This catalytic system is suitable for the preparation of vinyl chloride by reacting acetylene with hydrogen chloride. |
| 5068474 |
Process for the purification of vinyl chloride |
November 26, 1991 |
| Process for the removal from vinyl chloride of compounds of ester type by an operation of treatment comprising an alkaline washing and a treatment with a hydride. |
| 5059730 |
Process for the purification of vinyl chloride |
October 22, 1991 |
| Process for the removal from vinyl chloride of compounds of the ester type by an operation of treatment comprising an alkaline washing and a treatment with a bisulphite. |
| 4910354 |
Process for the oxychlorination of ethylene and catalyst compositions for the oxychlorination |
March 20, 1990 |
| The invention relates to a process for the oxychlorination of ethylene by means of a catalyst composition comprising an alumina support impregnated with cupric chloride, magnesium chloride and a chloride of an alkali metal chosen from sodium and lithium. The oxychlorination performed in |
