Patents Assigned to Total Petrochemicals Research Feluy
  • Patent number: 8394737
    Abstract: The present invention discloses a method for preparing an activating support and its use to activate metallocene or post-metallocene catalyst component for use in the oligomerization and polymerization of ethylene and alpha-olefins.
    Type: Grant
    Filed: July 16, 2008
    Date of Patent: March 12, 2013
    Assignees: Total Petrochemicals Research Feluy Seneffe, Centre National de la Recherche Scientifique
    Inventors: Abdelkrim El Kadib, Karine Molvinger, Daniel Brunel, Floran Prades, Sabine Sirol
  • Publication number: 20130049262
    Abstract: The present invention discloses the use in rotomolding or slush molding applications of a composition comprising a polyolefin, a processing aid and optionally a UV-stabilizer.
    Type: Application
    Filed: October 29, 2012
    Publication date: February 28, 2013
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventor: Total Petrochemicals Research Feluy
  • Publication number: 20130046122
    Abstract: The present invention is method for debottlenecking an existing steam cracker unit of which the operation is modified from high severity to low severity operation, having a cracking zone and a fractionation zone, said fractionation zone comprising a gasoline stripper, a de-methaniser (I), a de-ethaniser (I) a de-propaniser (I) and a de-butaniser (I), said de-propaniser (I) receiving product from the bottom of the de-ethaniser (I) and optionally product from the bottom of the gasoline stripper (I), wherein said debottlenecking method comprises the steps of: a) adding a selective hydrogenation unit (II), b) adding a cracking reactor (II) comprising a catalyst selective towards light olefins in the outlet, c) adding a re-run column and a de-propaniser (II), d) sending a part or all of the bottoms stream of the gasoline stripper (I) to the selective hydrogenation unit (II) and subsequently to the cracking reactor (II) at conditions effective to produce an outlet with an olefin content of lower molecular weight t
    Type: Application
    Filed: December 15, 2010
    Publication date: February 21, 2013
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Walter Vermeiren, François Bouvart, Ineke Celie, Wolfgang Garcia
  • Publication number: 20130041196
    Abstract: The present invention (in a first embodiment) relates to a process for the dehydration of an alcohol having at least 2 carbon atoms to make the corresponding olefin, comprising: introducing in a reactor a stream (A) comprising at least an alcohol, optionally water, optionally an inert component, contacting said stream with a catalyst in said reactor at conditions effective to dehydrate at least a portion of the alcohol to make an olefin, recovering from said reactor an olefin containing stream (B), Wherein, the catalyst is a crystalline silicate of the group FER, MWW, EUO, MFS, ZSM-48, MIT or TON having Si/Al under 100, or a dealuminated crystalline silicate of the group FER, MWW, EUO, MFS, ZSM-48, MTT or TON having Si/Al under 100, or a phosphorus modified crystalline silicate of the group FER, MWW, EUO, MFS, ZSM-48, MTT or TON having Si/Al under 100, the WHSV of the alcohol is at least 4 h?1 and/or the temperature ranges from 320° C. to 600° C.
    Type: Application
    Filed: January 21, 2011
    Publication date: February 14, 2013
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Delphine Minoux, Nikolai Nesterenko, Cindy Adam, Sander Van Donk, Walter Vermeiren
  • Patent number: 8372329
    Abstract: The present invention discloses the use in rotomolding or slush molding applications of a composition comprising a polyolefin, a processing aid and optionally a UV-stabilizer.
    Type: Grant
    Filed: May 30, 2005
    Date of Patent: February 12, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventor: Eric Maziers
  • Patent number: 8372923
    Abstract: The present invention relates to a process for improving the devolatilization of polymer slurry produced in an olefin polymerization reactor. The process is characterized in that it involves an adjustment of the temperature of the interior surface of the flash line for periodically transferring polymer slurry from the polymerization reactor to a downstream processing unit. In particular, in accordance with the present process, the temperature of the interior surface of the flash line is adjusted to a temperature which is equal to or higher than the softening temperature of the polymer passing through said flash line whereby said temperature is higher in a first half of the length of the flash line than in the remaining length of the flash line.
    Type: Grant
    Filed: October 26, 2007
    Date of Patent: February 12, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Lieven Van Looveren, Marc Moers, Mathias Wijffels
  • Patent number: 8367787
    Abstract: Use of a metallocene compound of general formula Ind2R?MQ2 as a component of a catalyst system in producing polyethylene, wherein each Ind is the same or different and is indenyl or substituted indenyl; R? is a bridge which comprises a C1 to C4 alkylene radical, a dialkyl germanium or silicon or siloxane, alkyl phosphine or amine, which bridge is substituted or unsubstituted, M is a Group IV metal or vanadium and each Q is hydrocarbyl having 1 to 20 carbon atoms or halogen; and the ratio of meso to racemic forms of the metallocene in the catalyst system is at least 1:3. The metallocene may be supported. The ethylene may be polymerized in a reaction medium that is substantially free of any external comonomer, with comonomer being formed in situ. The produced polyethylene may have long chain branching. The produced polyethylene may be atactic.
    Type: Grant
    Filed: April 29, 2008
    Date of Patent: February 5, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Abbas Razavi, Liliane Peters
  • Patent number: 8367783
    Abstract: The present invention relates to a process for improving the polymerization of ethylene and one or more optional co-monomer(s) in a polymerization loop reactor characterized in that said process comprises the step of controlling the hydrogen/monomer ratio along the path of the reactor by multiple, spatially separated, feeding of hydrogen along the path of the loop reactor. In particular, the invention provides a process for controlling, and preferably narrowing, the molecular weight distribution of the produced polymer particles. In another aspect, the invention relates to a polymerization loop reactor suitable for the polymerization process of ethylene and an optional olefin co-monomer, wherein the molecular weight distribution of the produced ethylene polymer can be controlled.
    Type: Grant
    Filed: April 3, 2007
    Date of Patent: February 5, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventor: Daan Dewachter
  • Patent number: 8367773
    Abstract: A process is described for obtaining a chemical blend of a polyolefin with a poly(hydroxy carboxylic acid) by mixing poly(hydroxy carboxylic acid) with at least one polyolefin in the presence of a compatibilising compound having at least one polymerisable double bond and at least one electrophilic functional group. The invention also relates to the chemical blend obtainable according to this process, as well as the use of the compatibilising compound to obtain chemical blends of polyolefin with poly(hydroxy carboxylic acid).
    Type: Grant
    Filed: October 2, 2009
    Date of Patent: February 5, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventor: Thierry Coupin
  • Publication number: 20130030132
    Abstract: The invention relates to a process for preparing polyolefin in a loop reactor. The polymer is prepared by polymerizing olefin monomers in the presence of a catalyst to produce a polyolefin slurry while pumping said slurry through said loop reactor by means of a pump. The present process is characterized in that the catalyst is fed in the loop reactor at a distance to the pump. The invention allows production of the polymer with advantageous properties while leading to fewer blockages of the reactor.
    Type: Application
    Filed: February 3, 2011
    Publication date: January 31, 2013
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Eric Damme, Louis Fouarge, Jerôme Bette, Alvaro Fernandez, Aurélien Vantomme, Renaud Oreins, Daniel Siraux
  • Patent number: 8362160
    Abstract: The present invention relates to methods for delivering granulated material to a reactor for use in the polymerization of alpha-olefin comprising the steps of: providing a first conduit having a granulated material inlet, the conduit being operably connected to a pocket ball valve comprising at least one pocket, said pocket ball valve being operably connected to a second conduit, said second conduit being operably connected to a polymerization reactor; introducing a granulated material to the first conduit through said inlet; metering the granulated material through the pocket ball valve; and passing said material through the second conduit to the polymerization reactor. The present invention also relates to polyolefin production processes and polyolefin producing units.
    Type: Grant
    Filed: September 26, 2008
    Date of Patent: January 29, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Yahya Bouquoyoue, Claude Queyrel
  • Patent number: 8362183
    Abstract: A process to make light olefins from an oxygen-containing, halogenide-containing or sulphur-containing organic feedstock is disclosed. The process includes contacting the feedstock in a primary reactor with a catalyst that includes a metalloaluminophosphate (MeAPO) molecular sieve to form a first reactor effluent that includes a light olefins and a heavy hydrocarbon fraction. The process further includes separating the light olefins from the heavy hydrocarbon fraction and contacting the heavy hydrocarbon fraction in a second reactor to convert the heavy hydrocarbon fraction to light olefins. The MeAPO molecular sieve is expressed by the formula HxMeyAlzPkO2 where y+z+k=1, x is less than or equal to y, y is from 0.0008 to 0.4, z is from 0.25 to 0.67, and k is from 0.2 to 0.67. The MeAPO molecular sieve has a predominantly plate crystal morphology where the width divided by the thickness is greater than or equal to 10.
    Type: Grant
    Filed: March 10, 2008
    Date of Patent: January 29, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Walter Vermeiren, Nikolai Nesterenko
  • Patent number: 8361579
    Abstract: This invention relates to the use of a colored polyethylene pipe for transporting water containing disinfectant. The pipe is prepared from a polyethylene resin, that is produced with one or more single site catalyst systems, and that comprises blue pigments and anti-UV additive.
    Type: Grant
    Filed: October 2, 2008
    Date of Patent: January 29, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Pierre Belloir, Christine Bertrand
  • Publication number: 20130011310
    Abstract: Methods for supplying a catalyst to an ethylene slurry loop polymerization reactor and polymers formed therefrom are described herein. The method includes preparing a catalyst slurry in a preparation vessel. The slurry includes a hydrocarbon diluent liquid that contains a Ziegler-Natta catalyst. The catalyst slurry is supplied to a buffer vessel, withdrawn therefrom and supplied to a slurry loop polymerization reactor in which ethylene is polymerized. A co-catalyst is mixed with the Ziegler Natta catalyst in the slurry prior to supplying the catalyst slurry to the slurry loop polymerization reactor. The transfer of the catalyst slurry from the preparation vessel to the buffer vessel and the withdrawal of catalyst slurry from the buffer vessel are controlled to maintain the level of catalyst slurry in the buffer vessel substantially constant relative to the level of catalyst slurry in the preparation vessel.
    Type: Application
    Filed: July 12, 2012
    Publication date: January 10, 2013
    Applicant: Total Petrochemicals Research Feluy
    Inventor: Louis Fouarge
  • Publication number: 20130011643
    Abstract: A multilayer article prepared by rotational moulding can include a layer A that is a polyolefin (PO) based layer prepared from PO and a functionalised polyolefin (FPO), or a PO grafter to a non-polyolefin (NPO) in the form of a block copolymer (PO-g-NPO). A layer B can be a PO that is dissimilar from layer A, an NPO, a mixture thereof, and optionally an FPO or a PO-g-NPO. A layer C can be dissimilar from layer A and similar to or dissimilar from layer B. Layer C can be adjacent to layer A and/or layer B, can have good adhesion to layer A and/or layer B, and is not a blend of layer A and layer B. A method of preparing the multilayer article can include rotational moulding.
    Type: Application
    Filed: April 27, 2012
    Publication date: January 10, 2013
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Eric Maziers, Gregory O'Brien, Bruce Clay
  • Patent number: 8344077
    Abstract: This invention is related to the field of olefin polymerisation in double loop reactors and especially to the polymerisation of olefins with very active catalyst systems. It discloses a method for reducing blockage when transferring polymer product from the first loop to the second loop of a double loop reactor.
    Type: Grant
    Filed: November 4, 2008
    Date of Patent: January 1, 2013
    Assignee: Total Petrochemicals Research Feluy
    Inventors: Daan Dewachter, Daniel Siraux, André Lewalle
  • Patent number: 8337743
    Abstract: The present invention relates to a process for producing a multilayer film comprising at least one polyethylene (except high pressure polyethylene) and polypropylene layer, wherein the adhesion between the polyethylene and polypropylene is enhanced without the use of any tie layer by processing the film with a freezing time of less than ten seconds.
    Type: Grant
    Filed: June 20, 2008
    Date of Patent: December 25, 2012
    Assignee: Total Petrochemicals Research Feluy
    Inventor: Pascal Charlier
  • Patent number: 8338324
    Abstract: The present invention relates to the covalent anchorage of non-coordinating anions on mineral supports to prepare activating supports for the polymerisation of ethylene and alpha-olefins and wherein the activating species is provided by a phosphonium-borate or phosphonium alane pair. The invention also discloses the concomitant covalent anchorage of zwitterionic systems containing both the non-coordinating anion and the counter cation parts of the activating supports.
    Type: Grant
    Filed: December 11, 2008
    Date of Patent: December 25, 2012
    Assignees: Total Petrochemicals Research Feluy, Centre National de la Recherche Scientifique
    Inventors: Abdelkrim El Kadib, Karine Molvinger, Daniel Brunel, Floran Prades, Sabine Sirol
  • Publication number: 20120316296
    Abstract: The disclosure relates to a device for removing and analyzing a sample from a polymerization reactor including one or more sample conduits for removing a sample from the reactor and transferring the sample to a sample flash tank, whereby the conduits are in communication with the reactor and are provided with at least two sampling valves; a sample flash tank for separating said solid particles and evaporated gas, whereby the sample flash tanks are connected to the conduits and provided with a device for analyzing evaporated gas, and including a sample receiver for purifying the solid particles. The receivers are connected to the sample flash tanks and provided with an apparatus for analyzing the solid particles. The disclosure includes a method for improving a polymerization reaction.
    Type: Application
    Filed: April 24, 2012
    Publication date: December 13, 2012
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventor: Hugo Vandaele
  • Publication number: 20120316298
    Abstract: The present invention discloses a catalyst system that comprises several bridged bis- or bis-tetrahydro-indenyl components having different substitution patterns in order to prepare polymers having a broad molecular weight distribution.
    Type: Application
    Filed: May 21, 2012
    Publication date: December 13, 2012
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventor: Abbas Razavi