| Patent Number |
Title Of Patent |
Date Issued |
| 7371717 |
Process for preparing coated alkali metal percarbonate, coated alkali metal percarbonate obtaina |
May 13, 2008 |
| A process for preparing coated particulate alkali metal percarbonate in which coating is carried out by mixing percarbonate with a solid particulate coating and agent and optionally with an aqueous liquid, so that the amount of water present during mixing does not exceed 12% of the t |
| 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 |
| 7285597 |
Radical polymerization processes for preparing halogenated polymers, and halogenated polymers |
October 23, 2007 |
| Radical polymerization process for the preparation of halogenated polymers employing one or more ethylenically unsaturated monomers, at least one of which is chosen from halogenated monomers, molecular iodine and one or more radical-generating agents chosen from diazo compounds, peroxide |
| 7235282 |
Method of treating the surface of an aged PVC object |
June 26, 2007 |
| A process for the treatment of natural discoloration in an article, particularly a vinyl chloride polymer article, by treating the surface of the article in ambient air with a first organic solution containing an organic peroxide and a first organic solvent. The invention process is |
| 7232407 |
Method for inerting mineral residues |
June 19, 2007 |
| Method of inerting mineral residues comprising automobile grinding residues, in which method water is added to the mineral residues so as to form a paste, the paste is mixed with phosphoric acid, and the resulting mixture is calcined. |
| 7208558 |
Radical polymerization processes for preparing halogenated polymers, and halogenated polymers |
April 24, 2007 |
| Radical polymerization process for the preparation of halogenated polymers employing one or more ethylenically unsaturated monomers, at least one of which is chosen from halogenated monomers, molecular iodine and one or more radical-generating agents chosen from diazo compounds, peroxide |
| 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 |
| 7166253 |
Process for manufacturing hollow plastic bodies |
January 23, 2007 |
| Process for manufacturing hollow plastic bodies, especially motor-vehicle fuel tanks, from an extruded parison of closed cross section, in which at least one cut is made in the parison which is then formed by moulding. |
| 7135546 |
Method for recycling vinyl polymer-based articles |
November 14, 2006 |
| Process for recycling an article based on at least one vinyl chloride or vinylidene chloride polymer, according to which: (a) the article is cut up into fragments with a mean size of 1 cm to 50 cm in the case where it would exceed these sizes; (b) the article fragments are brought into |
| 7128006 |
Process for rendering an ash inert, artificial pozzolana obtained by means of the said process |
October 31, 2006 |
| Process for rendering inert an ash originating from the incineration of municipal waste, according to which the ash is subjected successively to treatment (19) with a water-soluble phosphate (20) in the presence of water, under conditions adjusted to crystallize hydroxyapatite and/or |
| 7122249 |
Abrasion-resistant agglomerate mineral substance granule, powder comprising such granules and pr |
October 17, 2006 |
| Granule comprising an agglomerate of particles of a mineral substance. The agglomerate is coated with a monolithic outer layer, which provides it with improved abrasion resistance.Powder comprising granules according to the invention.Process for manufacturing the powder according to the |
| 7101468 |
End box of an electrodialyser, electrodialyser comprising same and electrodialysis method |
September 5, 2006 |
| Electrodialysis device endbox comprising a vertical electrode (7) and a selectively ion-permeable membrane (10) which is arranged vertically, facing the electrode, and separated from the latter by a vertical passage (19)Electrodialysis device comprising an alternation of selectively ion |
| 7093620 |
Reinforced plastic pipe and process for manufacturing the said pipe |
August 22, 2006 |
| Reinforced pipe obtained by winding, onto a tubular support based on a polymeric composition, of reinforcing tapes comprising an oriented polymeric composition in layers crossed at an equal but opposite angle relative to the axis of the pipe. The tapes are selected from those whose p |
| 7078473 |
Radical polymerization methods and halogenated polymers |
July 18, 2006 |
| Radical polymerization process for the preparation of halogenated polymers and block copolymers. Halogenated polymers and block copolymers. |
| 7067578 |
Method for preparing latex |
June 27, 2006 |
| Process for the preparation of latices by batchwise radical polymerization of one or more monomers, comprising the participation, in the polymerization, of: (a) one or more fine dispersions of one or more finely dispersed monomers and (b) one or more seed latices of one or more seedi |
| 7056956 |
Method for recycling a plastic material |
June 6, 2006 |
| Process for recycling a plastic, according to which the plastic is brought into contact with a solvent capable of dissolving the same and the plastic dissolved in the solvent is precipitated using a non-solvent in the presence of a phase-separating agent, in which the phase-separating |
| 7026384 |
Process for the preparation of an aqueous dispersion of halogenated vinyl polymers involving a b |
April 11, 2006 |
| The invention relates to a process for the preparation of an aqueous dispersion of halogenated vinyl polymers by polymerization, according to which, after polymerization, a basic agent is added in an amount such that the pH of the aqueous dispersion is less than approximately 5. The |
| 7019068 |
Polymer compositions comprising telomers and articles or parts using these compositions |
March 28, 2006 |
| Composition comprising one or more polymers and one or more substances selected from telomers having a number average degree of telomerization of less than or equal to 8.0 (substances A) and optionally from substances such as diesters of phthalic acid or diesters of saturated aliphat |
| 7008577 |
Extrusion head for expanded plastic tubes |
March 7, 2006 |
| An extrusion head for the manufacture of tubes including at least one layer of expanded plastic by extruding a stream of molten plastic containing a blowing agent through an annular passage cross section made in the extrusion head. The stream of molten plastic containing the blowing |
| 6982106 |
Structures with multiple polymeric layers |
January 3, 2006 |
| Multilayer polymer structures comprising a layer (A) based on at least one halohydrocarbon polymer linked to a layer (C) based on at least one olefin polymer via a layer (B) containing from 100% to 10% by weight of at least one grafted olefin polymer and from 0 to 90% by weight of at |
| 6979715 |
Thermoplastic halogenated polymer compositions, method for preparing same and use thereof |
December 27, 2005 |
| Thermoplastic halogenated polymer compositions characterized by an R.sub.MFI value of between 1.1 and 6; process for preparing them; use for the manufacture of films, sheets, panels, foamed tubing, tubes, pipes, foams, bottles or products that are theromoformed and/or moulded; use of |
| 6962562 |
Sludge inerting method |
November 8, 2005 |
| Process for rendering inert a sludge (1) comprising heavy metals and organic matter, according to which phosphoric acid (2) is added to the sludge and the latter is subjected to calcination (6). A hydraulic binder (9) is mixed with the product of the calcination (7) and mixed with water |
| 6962119 |
Process for rendering an ash inert, artificial pozzolana obtained by means of the said process |
November 8, 2005 |
| Process for rendering inert an ash originating from the incineration of municipal waste, according to which the ash is subjected successively to treatment (19) with a water-soluble phosphate (20) in the presence of water, under conditions adjusted to crystallize hydroxyapatite and/or |
| 6956101 |
Method and installation for extracting a monomer from an aqueous slurry containing a polymer |
October 18, 2005 |
| Process and installation for extracting a monomer from an aqueous broth of a polymer, in which, after the broth has been heated, the broth is subjected to a depressurization in a depressurization chamber and is then introduced into a vertical column, divided into several chambers, on whi |
| 6924318 |
Method for making a bipolar membrane and use of resulting bipolar membrane |
August 2, 2005 |
| A process for producing a bipolar membrane is described in which a cationic membrane undergoes a treatment with a salt from a group 8 metal, an anionic membrane undergoes a treatment with a salt of a transition metal not belonging to group 8, and then the two membranes are conjoined and, |
| 6911522 |
Filled epsilon-caprolactone based polymer compositions, method for preparing same and articles b |
June 28, 2005 |
| Compositions based on .epsilon.-caprolactone polymer, comprising at least one .epsilon.-caprolactone polymer and calcium carbonate. Process for preparing these compositions, which are used for manufacturing articles, in particular films, preferably obtained by extrusion blow-moulding or |
| 6884851 |
Polyolefins and process for manufacturing them |
April 26, 2005 |
| Process for producing polyolefins, comprising the following steps: a) grafting of acid groups onto polyolefins by means of a graftable monomer bearing at least one functional group chosen from a carbonyl and an acid anhydride, optionally in the presence of another graftable monomer bearin |
| 6878840 |
Process for polymerization of vinyl chloride |
April 12, 2005 |
| The dialkyl peroxydicarbonates with short alkyl chains, preferably diethyl and diisopropyl peroxydicarbonates, are used for the aqueous suspension polymerization of vinyl chloride, in the form of a solution in a dialkyl alkanedicarboxylate which is liquid and insoluble in water. The pref |
| 6867273 |
Vinylidene fluoride polymers, process for manufacturing them and use thereof |
March 15, 2005 |
| Vinylidene fluoride polymers, characterized in that they are thermoplastic vinylidene fluoride/chlorotrifluoroethylene/hexafluoropropylene terpolymers and in that they contain at least 70% vinylidene fluoride, process for obtaining them and use thereof. |
| 6866812 |
Process for manufacturing hollow plastic bodies |
March 15, 2005 |
| Process for manufacturing hollow plastic bodies, especially motor-vehicle fuel tanks, from an extruded parison of closed cross section, in which at least one cut is made in the parison which is then formed by molding. |
| 6843267 |
System and method for closing a tank opening |
January 18, 2005 |
| System and for sealing an opening of a plastic tank with a multilayer wall by means of a multilayer plate itself constituted by a polymer structure including at least one internal barrier layer and an exterior layer compatible with the exterior layer of the tank wall. The multilayer plat |
| 6838571 |
Oxirane production using peroxidized compound |
January 4, 2005 |
| Process for manufacturing oxirane by reaction of an olefin with a peroxide compound in the presence of a catalyst and a solvent in at least two reactors arranged in series, each of which contains a portion of catalyst, according to which the peroxide compound is introduced only into 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 |
| 6814921 |
Method for making a fuel tank in plastic material |
November 9, 2004 |
| Process for manufacturing a plastic fuel tank from two shells formed by molding, which are joined together, at least one shell being produced by compression-molding a portion of a plastic sheet between a mold and a punch and by the remaining portion of the sheet being blow-molded in 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 |
| 6797788 |
Thermoplastic aliphatic polyester compositions, preparation method and uses thereof |
September 28, 2004 |
| The invention concerns thermoplastic aliphatic polyester compositions characterized by a melt flow index (RMFI) ranging between 1.1 and 2.5. The invention also concerns a method for preparing said compositions which are used for making films, foams, flasks or thermoformed products. The |
| 6770372 |
Polymer compositions intended for the manufacture of pipes for conveying hydrocarbons and articl |
August 3, 2004 |
| Polymer compositions based on vinylidene fluoride resins which are particularly suitable for the manufacture of pipes for conveying hot hydrocarbons under pressure, comprising by weight; (A) from 60 to 80% of at least one PVDF homopolymer; (B) from 20 to 40% of at least one thermoplast |
| 6740412 |
Polymeric adhesive and structures with multiple polymeric layers, their process of preparation a |
May 25, 2004 |
| Polymeric adhesive comprising a homogeneous mixture of at least three constituents: (a) at least one thermoplastic halogenated hydrocarbon polymer, (b) at least one copolymer of monoethylenic monomers which carry an alkyl carboxylate functional group and (c) at least one alpha-olefin |
| 6739350 |
Fuel tank |
May 25, 2004 |
| Fuel tank comprising a canister containing a composition capable of retaining fuel vapours and which is associated with an overfill prevention device also located inside the tank. |
| 6730726 |
Process for the preparation of an aqueous dispersion of halogenated vinyl polymers involving a b |
May 4, 2004 |
| The invention relates to a process for the preparation of an aqueous dispersion of halogenated vinyl polymers by polymerization, according to which, after polymerization, a basic agent is added in an amount such that the pH of the aqueous dispersion is less than approximately 5. The |
| 6723861 |
Method for producing oxirane |
April 20, 2004 |
| Process for manufacturing oxirane by reaction of an olefin with a peroxide compound in the presence of a catalyst and a solvent in at least two reactors arranged in series, each of which contains a portion of the catalyst, according to which two epoxidation reactions are carried out in |
| 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 |
| 6713165 |
Multilayer thermoplastic structure |
March 30, 2004 |
| Multilayer structure based on thermoplastic polymers which is substantially devoid of vinyl chloride polymers and of plasticizers of low molecular mass and which comprises at least 3 layers: a first layer (A) comprising at least 60% by weight of at least one polyolefin of controllable |
| 6699946 |
Polyphenylene sulphide-based compositions with improved impact strength and process for preparin |
March 2, 2004 |
| Polyphenylene sulphide-based compositions essentially containing 60 to 99.5% by weight of polyphenylene sulphide and 0.5 to 40% by weight of a combination (C) containing a compound (C1) chosen from olefinic elastomers containing epoxy groups and a compound (C2) chosen from crosslinking |
| 6692720 |
Method for producing sodium chloride crystals |
February 17, 2004 |
| Process for the production of sodium chloride crystals from a sodium chloride brine contaminated by potassium chloride and sulphate ions, according to which a calcium compound (32) is added to the brine (48) to crystallize glauberite (35), which is isolated, the resulting aqueous sol |
| 6682795 |
Multilayer hollow body |
January 27, 2004 |
| Multilayer hollow body made of plastic, especially a fuel tank, having at least two molded multilayer parts welded together to form a multilayer hollow body having a hollow portion formed by a multilayer wall, each of the multilayer parts comprising at least one thermoplastic non-barrier |
| 6677467 |
Oxirane production using peroxidized compound |
January 13, 2004 |
| Process for manufacturing oxirane by reaction of an olefin with a peroxide compound in the presence of a catalyst and a solvent in at least two reactors arranged in series, each of which contains a portion of catalyst, according to which the peroxide compound is introduced only into the |
| 6645458 |
Method for making an aqueous sodium chloride solution |
November 11, 2003 |
| Process for the manufacture of an aqueous sodium chloride solution, according to which a solid material comprising sodium chloride and heavy metals is dispersed in water, the aqueous medium thus obtained is alkalinized so as to precipitate the heavy metals in the form of metal hydrox |
| 6634342 |
Fuel system for a vehicle |
October 21, 2003 |
| Fuel system for a vehicle with a heat enigine, comprising a hollow body made of plastic, designed to contain or to transport fuel, and means of covering this hollow body by means of a rigid jacket surrounding the hollow body. The covering means form, with the surface of the hollow body, |
