Patents Assigned to Total Petrochemicals Research Feluy
  • Method and System for Degassing Polymer Powder
    Publication number: 20100041825
    Abstract: The present invention relates to a method for degassing polymer powder comprising flushing the polymer powder in a first chamber with a first flow of flushing gas, transferring the polymer powder into a second chamber and flushing the polymer powder with a second flow of flushing gas in said second chamber. The present invention also relates to a system suitable for carrying out this method.
    Type: Application
    Filed: March 6, 2007
    Publication date: February 18, 2010
    Applicant: Total Petrochemicals Research Feluy
    Inventors: Eric Damme, Marc Moers, Lieven Van Looveren
  • High Clarity Easy Tear Multilayer Films
    Publication number: 20100035035
    Abstract: The invention discloses high clarity multilayer films that are easy to tear in the transverse direction, wherein the core layer is made of a blend of from 5 to 50 wt % of crystal polystyrene and from 95 to 50 wt % of transparent styrene-butadiene block copolymer (5-40 wt % 1,3-butadiene, 60-95 wt % styrene) and the outer layers comprise from 85 to 100 wt % of a metallocene catalysed polyethylene (density:0.915-0.960 g/cm3, MI2:0.
    Type: Application
    Filed: June 15, 2006
    Publication date: February 11, 2010
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventor: Michel Defrang
  • POLYOLEFIN COMPOSITION FOR INJECTION STRETCH BLOW MOLDING
    Publication number: 20100035009
    Abstract: The present invention relates to an injection-stretch blow molding process (ISBM) for the manufacture of an impact-resistant container with good optical properties from a polyolefin composition comprising a polypropylene and a polyethylene produced with a metallocene-based catalyst.
    Type: Application
    Filed: July 26, 2007
    Publication date: February 11, 2010
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventor: Fabienne Radermacher
  • Impact strength polypropylene
    Patent number: 7659349
    Abstract: Degraded polypropylene (co)polymer modified with a linear dialkylperoxide in order to retain its impact strength and a process for its preparation.
    Type: Grant
    Filed: April 10, 2006
    Date of Patent: February 9, 2010
    Assignee: Total Petrochemicals Research Feluy
    Inventor: Kristien Roegiers
  • Controlled Distribution of Active Sites in Ziegler-Natta Catalyst Systems
    Publication number: 20100029468
    Abstract: The present invention provides a method for improving and controlling the activity of Ziegler-Natta catalyst systems.
    Type: Application
    Filed: April 4, 2007
    Publication date: February 4, 2010
    Applicant: Total Petrochemicals Research Feluy
    Inventors: David Ribour, Roger Spitz, Jerome Gromada, Christophe Boisson
  • Fluorinated Alkoxy-Imino Catalyst Components
    Publication number: 20100029472
    Abstract: This invention relates to fluorinated alkoxy-imino metallic complexes and their use in catalyst systems for the polymerisation or oligomerisation of ethylene and alpha-olefins.
    Type: Application
    Filed: September 14, 2007
    Publication date: February 4, 2010
    Applicant: Total Petrochemicals Research Feluy
    Inventors: Jean-Francois Carpentier, Evgueni Kirillov, Christophe Thomas, Abbas Razavi, Nicolas Marquet
  • POLYLACTIDE-URETHANE COPOLYMERS
    Publication number: 20100016538
    Abstract: A polylactide-urethane copolymer obtainable by a process, which comprises the step of contacting: an ?, ? dihydroxyl polylactide prepolymer of general formula I wherein: X is NH or O, R is an alkyl or an aryl group, n and n? are integer numbers which are substantially the same and which are comprised in the range from 20 to 140, a diisocyanate compound of general formula II O?C?N—R?—N?C?O wherein: R? is an alkyl or an aryl group and an amine or an alcohol of general formula III R??[X?]2 wherein: R? is an alkyl or an aryl group and X? is NH2 or OH with the proviso that at least one of R or R? is an aryl group
    Type: Application
    Filed: September 27, 2007
    Publication date: January 21, 2010
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Philippe Dubois, Philippe Coszach, gloria Vendrell, Philippe Degee, Michael Alexandre, Ibrahim Barakat, Jean Marie Raquez
  • STRETCHING/BLOWING CONDITIONS IN ONE-STAGE INJECTION-STRETCH-BLOW-MOULDING
    Publication number: 20100013129
    Abstract: The present invention discloses a method for preparing containers by one-stage injection-stretch-blow-moulding with a resin comprising: a random copolymer of propylene (RCP) having a melt index of from 1.5 to 35 dg/min, an ethylene content of less than 6 wt % with respect to the weight of the RCP; and optionally a nucleating and/or a clarifying agent; wherein the preform injection temperature is larger than 200° C. and wherein the stretching and blowing temperature Tsb is limited to a very narrow range ?T of at most 15° C., said range being a function of the injection temperature Tinj.
    Type: Application
    Filed: June 20, 2007
    Publication date: January 21, 2010
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Laurent Duranel, Emmanuel Humbeeck, Fabienne Radermacher
  • Method for Making a Transition between Polymer Grades
    Publication number: 20100016523
    Abstract: The present invention relates to a method of transition between polymer grades in a polymerisation process comprising polymerising at least one monomer in at least a first reactor and a second reactor connected to each other in series, wherein the monomer feed in the first reactor is maintained essentially constant during the transition.
    Type: Application
    Filed: March 28, 2007
    Publication date: January 21, 2010
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Marc Moers, Lieven Van Looveren, Mathias Wijffels
  • Transition Metal Complexes Supported on Activating Support
    Publication number: 20100010180
    Abstract: The present invention discloses an active supported catalyst system comprising: a) one or more non-metallocene catalyst component; b) an alkylating agent; c) an activating functionalised and fluorinated support. It also discloses a method for preparing said active support and its use in the polymerisation of polar and non polar monomers.
    Type: Application
    Filed: July 26, 2006
    Publication date: January 14, 2010
    Applicants: TOTAL PETROCHEMICALS RESEARCH FELUY, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS)
    Inventors: Floran Prades, Roger Spitz, Christophe Boisson, Sabine Sirol, Abbas Razavi
  • TRANSFER PIPE BETWEEN LOOP REACTORS
    Publication number: 20100008829
    Abstract: The present invention discloses a transfer system between the first and second reactors in a double loop reactor that is equipped to reduce clogging in the transfer lines by providing a regulation mechanism arranged to insure equivalent flushing in each transfer line.
    Type: Application
    Filed: February 21, 2007
    Publication date: January 14, 2010
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventor: Louis Fouarge
  • POLYMERISATION OF ETHYLENE AND ALPHA-OLEFINS WITH IMINO-QUINOLINOL COMPLEXES
    Publication number: 20100004411
    Abstract: The present invention discloses active oligomerisation or polymerisation catalyst systems based on imino-quinolinol complexes.
    Type: Application
    Filed: March 7, 2007
    Publication date: January 7, 2010
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Caroline L. Hillairet, Guilliaume Michaud, Sabine Sirol
  • Slurry Polymerisation Process of Ethylene in the Presence of Low Amount of Scavenger
    Publication number: 20090318638
    Abstract: The invention discloses a metallocene catalysed slurry polymerisation process s of ethylene in the presence of a low concentration of scavenger. This allows improving the anti-sheeting of the reactor during the polymerisation process.
    Type: Application
    Filed: March 29, 2007
    Publication date: December 24, 2009
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Olivier Miserque, Martine Slawinski, Daniel Siraux, Alain Brusselle
  • METHOD AND SYSTEM FOR DETERMINING CATALYST ACTIVITY
    Publication number: 20090318637
    Abstract: The present invention relates to a method for determining activity of a catalyst in a polymerisation process, said polymerisation process comprising the steps of feeding a catalyst and a diluent into a storage vessel, to form a concentrated settled catalyst, feeding said concentrated settled catalyst into a mixing vessel equipped with mixing means and feeding hydrocarbon diluent into said mixing vessel, to form a diluted catalyst slurry, feeding said diluted catalyst slurry into a polymerisation reactor via a volumetric pump, and feeding at least one monomer into said polymerisation reactor to form a polymer.
    Type: Application
    Filed: March 6, 2007
    Publication date: December 24, 2009
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Daniel Siraux, Alain Brusselle
  • LOW MELT FLOW INDEX RESINS FOR INJECTIONS-STRETCH-BLOW-MOULDING
    Publication number: 20090317576
    Abstract: The present invention discloses a method for preparing vials, preferably medical vials by two-stage injection-stretch-blow-moulding with a random copolymer of propylene having a melt index MI2 of from 1 to 3 dg/min and an ethylene content of from 2 to 3.5 wt % based on the weight of the resin, and wherein the preform injection temperature is of at least 280° C.
    Type: Application
    Filed: June 20, 2007
    Publication date: December 24, 2009
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Laurent Duranel, Emmanuel Humbeeck
  • Rapid and Easy Bottle Test
    Publication number: 20090310647
    Abstract: A method for predicting the drop impact resistance of a stretch-blow moulded polypropylene container which comprises the steps of measuring the initial size of the container, placing it in an oven, remeasuring its size after removing it from the oven, calculating the percentage difference in size of the container and determining its drop impact resistance, which is proportional to said difference.
    Type: Application
    Filed: January 24, 2008
    Publication date: December 17, 2009
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventor: Fabienne Radermacher
  • PROCESS FOR THE PRODUCTION OF PROPYLENE POLYMERS HAVING A LOW ASH CONTENT
    Publication number: 20090312507
    Abstract: The present invention relates of a polymerization process for the production of propylene polymers with low ash content using a Ziegler-Natta catalyst with a diether as internal electron donor. The present invention also relates to the propylene polymers produced with said process as well as to films, fibers and nonwovens made with said propylene polymer.
    Type: Application
    Filed: April 24, 2007
    Publication date: December 17, 2009
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Alain Standaert, Jerome Gromada, David Vandewiele
  • Coloured Rotomoulded Articles
    Publication number: 20090306274
    Abstract: The present invention discloses coloured rotomoulded articles prepared from a dry blend of pigment and copolymer of ethylene prepared with a catalyst system based on a bridged bistetrahydroindenyl component optionally additivated with polyether-block co-polyamide.
    Type: Application
    Filed: April 17, 2007
    Publication date: December 10, 2009
    Applicant: TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventor: Eric Maziers
  • Catalytic system for obtaining conjugated diene/mono-olefin copolymers and these copolymers
    Publication number: 20090270578
    Abstract: A catalytic system usable for the copolymerization of at least one conjugated diene and at least one monoolefin, a process for preparing this catalytic system, a process for preparing a copolymer of a conjugated diene and at least one monoolefin using said catalytic system, and said copolymer are described.
    Type: Application
    Filed: May 7, 2009
    Publication date: October 29, 2009
    Applicants: MICHELIN RECHERCHE ET TECHNIQUE S.A., TOTAL PETROCHEMICALS RESEARCH FELUY
    Inventors: Christophe Boisson, Vincent Monteil, Roger Spitz
  • ACTIVATORS FOR THE HOMO-OR CO-POLYMERISATION OF ALPHA-OLEFINS WITH HOMOGENEOUS METALLOCENE CATALYST SYSTEMS
    Publication number: 20090270569
    Abstract: The present invention discloses a class of metallocene catalyst systems suitable for the homogeneous polymerisation of ethylene or alpha olefins that does not require the addition of aluminoxane or perfluorophenylborates as activating agent.
    Type: Application
    Filed: May 23, 2007
    Publication date: October 29, 2009
    Applicants: TOTAL PETROCHEMICALS RESEARCH FELUY, INSTITUTE OF PROBLEMS OF CHEMICAL PHYSICS OF THE RUSSIAN ACABEMY OF SCIENCES
    Inventors: Sergei Mikhailovich Aldoshin, Natalia Mikhailovna Bravaya, Andrei Nikolaevich Panin, Olga Mikhallovna Chukanova, Abbas Razavi