Patents by Inventor Andre-Armand Finette

Andre-Armand Finette has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20220106418
    Abstract: A process for polymerizing ethylene in a high-pressure polymerization system having a continuously operated polymerization reactor and a reactor blow down system having an emergency valve, a reactor blow down vessel containing an aqueous medium and a reactor blow down dump vessel, wherein the process includes the steps of monitoring the polymerization system for a disturbance, opening the emergency valve when a disturbance occurs to allow the content of the polymerization system to expand into the reactor blow down vessel, contacting the content of the polymerization system in the reactor blow down vessel with the aqueous medium to obtain an aqueous polymer slurry, separating the polymer slurry and gaseous components, and transferring the polymer slurry to the reactor blow down dump vessel.
    Type: Application
    Filed: December 16, 2019
    Publication date: April 7, 2022
    Applicant: Basell Polyolefine GmbH
    Inventors: Dieter Littmann, Andre-Armand Finette, Christoph Wolf, Michael Deuerling, Juergen Mohrbutter, Danir Khayrullin, Giulia Mei, Erich Neumann
  • Patent number: 11155649
    Abstract: A process for the preparation of ethylene homopolymers or copolymers in a facility having a high-pressure tubular reactor and a preheater, wherein a reaction fluid introduced into the reactor at a reactor inlet is heated in the preheater and the average velocity of the reaction fluid in the preheater is lower than the average velocity of the reaction fluid in the tubular reactor and the ratio of the average velocity in the tubular reactor to the average velocity of the reaction fluid in the preheater is in the range from 1.5 to 5.
    Type: Grant
    Filed: August 16, 2018
    Date of Patent: October 26, 2021
    Assignee: Basell Polyolefine GmbH
    Inventors: Christoph Wolf, Dieter Littmann, Michael Deuerling, Andre-Armand Finette, Danir Khayrullin, Juergen Mohrbutter
  • Publication number: 20210148633
    Abstract: Method for the preparation of dried polymer pellets in a facility having a dryer with a first chamber and a mechanical agitator, and the facility further having a degassing silo with a second chamber, the method includes the steps of guiding a drying gas flow made from or containing a first gas mixture for drying wet polymer pellets into the first chamber, transferring the dried polymer pellets into the second chamber, guiding a second gas mixture for degassing the dried polymer pellets into the second chamber thereby transforming the second gas mixture into a third gas mixture and guiding a portion of the third gas mixture into the first chamber; and process for manufacturing LDPE pellets.
    Type: Application
    Filed: June 21, 2018
    Publication date: May 20, 2021
    Applicant: Basell Polyolefine GmbH
    Inventors: Giulia Mei, Juergen Mohrbutter, Dieter Littmann, Christoph Wolf, Andre-Armand Finette, Michael Deuerling, Giuseppe Penzo
  • Publication number: 20200369792
    Abstract: A process for the preparation of ethylene homopolymers or copolymers in a facility having a high-pressure tubular reactor and a preheater, wherein a reaction fluid introduced into the reactor at a reactor inlet is heated in the preheater and the average velocity of the reaction fluid in the preheater is lower than the average velocity of the reaction fluid in the tubular reactor and the ratio of the average velocity in the tubular reactor to the average velocity of the reaction fluid in the preheater is in the range from 1.5 to 5.
    Type: Application
    Filed: August 16, 2018
    Publication date: November 26, 2020
    Applicant: Basell Polyolefine GmbH
    Inventors: Christoph Wolf, Dieter Littmann, Michael Deuerling, Andre-Armand Finette, Danir Khayrullin, Juergen Mohrbutter
  • Patent number: 10562986
    Abstract: A process for polymerizing or copolymerizing ethylenically unsaturated monomers at pressures in the range of from 110 MPa to 500 MPa in a production line comprising a continuously operated polymerization reactor, wherein the process comprises monitoring the surrounding of the production line with respect to an occurrence of a leakage of monomers or of reaction mixture by an IR point detector arrangement of at least three groups of IR point detectors which are capable of detecting hydrocarbons and the groups of IR point detectors are operating according to a voting logic and starting automatically an emergency pressure release program when a group of IR point detectors of the IR point detector arrangement detects the presence of hydrocarbons.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: February 18, 2020
    Assignee: Basell Polyolefine GmbH
    Inventors: Andrei Gonioukh, Thomas Herrmann, Dieter Littmann, Andre-Armand Finette, Sven Wolfram
  • Patent number: 10472428
    Abstract: A process for polymerizing or copolymerizing ethylenically unsaturated monomers at pressures in the range of from 110 MPa to 500 MPa in a production line comprising a continuously operated polymerization reactor which is installed within a protective enclosure, wherein the production line is monitored with respect to an occurrence of a leakage of monomers or of reaction mixture and a water based deluge system, which provides droplets of a diameter in a range from 25 ?m to 20 mm to the enclosed area, is automatically started with a minimum flow rate of 10 L/min per m2 of enclosed area when a leakage of monomers or of reaction mixture is detected.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: November 12, 2019
    Assignee: Basell Polyolefine GmbH
    Inventors: Andrei Gonioukh, Thomas Herrmann, Dieter Littmann, Andre-Armand Finette, Siegfried Mischok
  • Patent number: 10364306
    Abstract: The present disclosure provides a low density polyethylene (LDPE) having (A) a density from 0.910 to 0.924 g/cm3, determined according to ISO 1183 at 23° C.; (B) an elongational hardening of at least 4.2, at 150° C. at an elongational rate of 1 s?1; (C) a ratio Mw/Mn of at least 18, where (i) Mw is the weight average molar mass, measured by a MALLS detector coupled to a GPC, and (ii) Mn is the number average molar mass, measured by GPC (Gel Permeation Chromatography); and (D) a Mw of at least 230,000 g/mol. The present disclosure also provides an article of manufacture made from or containing (A) a substrate and (B) a coating layer made from or containing the disclosed LDPE. The present disclosure further provides a polymerization process occurring (A) in the presence of oxygen as the only radical initiating agent and (B) in the absence of solvents.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: July 30, 2019
    Assignee: Basell Polyolefine GmbH
    Inventors: Sebastian Weiand, Andrei Gonioukh, Stephan Schmitz, Andre-Armand Finette, Guido Bürger, Guido Küpper, Thomas Herrmann, Iakovos Vittorias, Dieter Lilge, Gerd Mannebach
  • Patent number: 10358510
    Abstract: A process for polymerizing or copolymerizing ethylenically unsaturated monomers at pressures in the range of from 110 MPa to 500 MPa in a production line comprising a continuously operated polymerization reactor, wherein at least one of a pre-heater or pre-cooler, a polymerization reactor or a post reactor cooler is composed of tubes of a length from 5 m to 25 m which are flanged together, either directly or via bends, and the flanges are covered by a chimney construction, and wherein air is conveyed through the chimney construction and the air exiting the chimney construction is monitored with respect to the hydrocarbons concentration.
    Type: Grant
    Filed: May 9, 2017
    Date of Patent: July 23, 2019
    Assignee: Basell Polyolefine GmbH
    Inventors: Andrei Gonioukh, Thomas Herrmann, Dieter Littmann, Andre-Armand Finette, Sven Wolfram
  • Patent number: 10343135
    Abstract: The present disclosure relates to a manufacturing plant for high-pressure polymerization having a layered tubular reactor and a method for an emergency shutdown in said manufacturing plant. The present disclosure also relates to a process for manufacturing LDPE using said layered tubular reactor.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: July 9, 2019
    Assignee: Basell Polyolefine GmbH
    Inventors: Dieter Littmann, Andre-Armand Finette, Christoph Wolf, Michael Deuerling, Juergen Peter Mohrbutter, Danir Khayrullin
  • Publication number: 20190201865
    Abstract: The present disclosure relates to a manufacturing plant for high-pressure polymerization having a layered tubular reactor and a method for an emergency shutdown in said manufacturing plant. The present disclosure also relates to a process for manufacturing LDPE using said layered tubular reactor.
    Type: Application
    Filed: September 27, 2018
    Publication date: July 4, 2019
    Applicant: Basell Polyolefine GmbH
    Inventors: Dieter Littmann, Andre-Armand Finette, Christoph Wolf, Michael Deuerling, Juergen Peter Mohrbutter, Danir Khayrullin
  • Publication number: 20190177447
    Abstract: A process for polymerizing or copolymerizing ethylenically unsaturated monomers at pressures in the range of from 110 MPa to 500 MPa in a production line comprising a continuously operated polymerization reactor, wherein at least one of a pre-heater or pre-cooler, a polymerization reactor or a post reactor cooler is composed of tubes of a length from 5 m to 25 m which are flanged together, either directly or via bends, and the flanges are covered by a chimney construction, and wherein air is conveyed through the chimney construction and the air exiting the chimney construction is monitored with respect to the hydrocarbons concentration.
    Type: Application
    Filed: May 9, 2017
    Publication date: June 13, 2019
    Applicant: Basell Polyolefine GmbH
    Inventors: Andrei Gonioukh, Thomas Herrmann, Dieter Littmann, Andre-Armand Finette, Sven Wolfram
  • Publication number: 20190169318
    Abstract: A process for polymerizing or copolymerizing ethylenically unsaturated monomers at pressures in the range of from 110 MPa to 500 MPa in a production line comprising a continuously operated polymerization reactor which is installed within a protective enclosure, wherein the production line is monitored with respect to an occurrence of a leakage of monomers or of reaction mixture and a water based deluge system, which provides droplets of a diameter in a range from 25 ?m to 20 mm to the enclosed area, is automatically started with a minimum flow rate of 10 L/min per m2 of enclosed area when a leakage of monomers or of reaction mixture is detected.
    Type: Application
    Filed: May 9, 2017
    Publication date: June 6, 2019
    Applicant: Basell Polyolefine GmbH
    Inventors: Andrei Gonioukh, Thomas Herrmann, Dieter Littmann, Andre-Armand Finette, Siegfried Mischok
  • Patent number: 10308738
    Abstract: The present disclosure relates to a plant for performing polymerization, such as the polymerization of ethylene, having a recycle connection with two or more cooling channels arranged in parallel, a process for polymerization and downstream processes, and a plant for polymerization, comprising the following plant components in fluid communication: a) A reactor with an inlet side and an outlet side; b) A recycle connection positioned in fluid communication between the outlet side of the reactor and the inlet side of the reactor; wherein the recycle connection comprises two or more cooling channels arranged in parallel.
    Type: Grant
    Filed: June 14, 2016
    Date of Patent: June 4, 2019
    Assignee: Basell Polyolefine GmbH
    Inventors: Christoph Wolf, Andre-Armand Finette, Andrei Gonioukh, Dieter Littmann, Thomas Herrmann, Georg Groos
  • Publication number: 20190135950
    Abstract: A process for polymerizing or copolymerizing ethylenically unsaturated monomers at pressures in the range of from 110 MPa to 500 MPa in a production line comprising a continuously operated polymerization reactor, wherein the process comprises monitoring the surrounding of the production line with respect to an occurrence of a leakage of monomers or of reaction mixture by an IR point detector arrangement of at least three groups of IR point detectors which are capable of detecting hydrocarbons and the groups of IR point detectors are operating according to a voting logic and starting automatically an emergency pressure release program when a group of IR point detectors of the IR point detector arrangement detects the presence of hydrocarbons.
    Type: Application
    Filed: May 9, 2017
    Publication date: May 9, 2019
    Applicant: Basell Polyolefine GmbH
    Inventors: Andrei Gonioukh, Thomas Herrmann, Dieter Littmann, Andre-Armand Finette, Sven Wolfram
  • Patent number: 10005862
    Abstract: Process for copolymerizing ethylene and esters of vinyl alcohol in the presence of free-radical polymerization initiators at pressures in the range of from 110 MPa to 500 MPa and temperatures in the range of from 100° C. to 350° C. in a continuously operated polymerization apparatus comprising a polymerization reactor and one or more compressors, which compress the monomer mixture fed to the polymerization reactor to the polymerization pressure, wherein the monomer mixture is compressed by a sequence of compression stages in which the compressed gas mixture is cooled after each compression stage and the fraction of the monomer mixture, which is liquid after this cooling, is separated off and returned to the polymerization apparatus in liquid form, and wherein at least a part of the liquid fractions obtained after compressing the monomer mixture in the respective compression stage to a pressure of from 0.2 MPa to 10 MPa is purified before being returned to the polymerization process.
    Type: Grant
    Filed: December 16, 2013
    Date of Patent: June 26, 2018
    Assignee: Basell Polyolefine GmbH
    Inventors: Andre-Armand Finette, Christoph Wolf, Danir Khayrullin, Giulia Mei, Juergen Mohrbutter, Dieter Littmann
  • Publication number: 20180171044
    Abstract: The present disclosure relates to a plant for performing polymerization, such as the polymerization of ethylene, having a recycle connection with two or more cooling channels arranged in parallel, a process for polymerization and downstream processes, and a plant for polymerization, comprising the following plant components in fluid communication: a) A reactor with an inlet side and an outlet side; b) A recycle connection positioned in fluid communication between the outlet side of the reactor and the inlet side of the reactor; wherein the recycle connection comprises two or more cooling channels arranged in parallel.
    Type: Application
    Filed: June 14, 2016
    Publication date: June 21, 2018
    Applicant: Basell Polyolefine GmbH
    Inventors: Christoph Wolf, Andre-Armand Finette, Andrei Gonioukh, Dieter Littmann, Thomas Herrmann, Georg Groos
  • Patent number: 9931608
    Abstract: A process for separating polymeric and gaseous components of a polymer-monomer mixture at a pressure of from 0.12 MPa to 0.6 MPa and a temperature of from 120° C. to 300° C. in a separation vessel is provided. The separation vessel has a vertically arranged cylindrical shape with a ratio of length to diameter L/D of from 0.6 to 10 and an inlet pipe capable of introducing the polymer-monomer mixture into the separation vessel which the inlet pipe extends vertically from the top of the separation vessel into the separation vessel. Further a process for preparing ethylene homopolymers or copolymers from ethylenically unsaturated monomers in the presence of free-radical polymerization initiators at temperatures from 100° C. to 350° C. and pressures in the range of from 110 MPa to 500 MPa comprising such a process for separating a polymer-monomer mixture is provided.
    Type: Grant
    Filed: November 12, 2015
    Date of Patent: April 3, 2018
    Assignee: Basell Polyolefine GmbH
    Inventors: Dieter Littmann, Georg Groos, Andre-Armand Finette, Michael Deuerling, Sven Wolfram, Juergen Mohrbutter, Danir Khayrullin, Claudio Fibla, Christoph Wolf
  • Patent number: 9908950
    Abstract: A process for polymerizing or copolymerizing ethylenically unsaturated monomers in the presence of free-radical polymerization initiators, wherein the polymerization is carried out at temperatures from 100° C. to 350° C. and pressures in the range of from 110 MPa to 500 MPa in a continuously operated polymerization reactor which is controlled by a pressure control valve at the outlet of the polymerization reactor, the process comprising continuously monitoring the pressure within the polymerization reactor, feeding a pressure signal to a controller for controlling the control valve and having the controller altering the opening of the pressure control valve to control the pressure within the polymerization reactor, wherein the controller starts an emergency shutdown program when the pressure control valve closes more than a preset threshold value and the pressure within the polymerization reactor decreases below a preset pressure threshold.
    Type: Grant
    Filed: February 22, 2016
    Date of Patent: March 6, 2018
    Assignee: Basell Polyolefine GmbH
    Inventors: Sven Wolfram, Andre-Armand Finette, Udo Backes, Andrei Gonioukh, Hicran Cabuk
  • Patent number: 9908954
    Abstract: The present technology relates to a process for polymerizing or copolymerizing ethylenically unsaturated monomers in the presence of free-radical polymerization initiators, wherein the polymerization is carried out in a continuously operated tubular reactor at temperatures from 100° C. to 350° C. and pressures from 180 MPa to 340 MPa, with a specific reactor surface area Asp of 2 m2/(t/h) to 5.5 m2/(t/h), and the tubular reactor has a specific ratio RDsp of 0.0050 MPa?1 to 0.0069 MPa?1 and an inner surface which has a surface roughness Ra of 2 ?m or less.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: March 6, 2018
    Assignee: Basell Polyolefine GmbH
    Inventors: Dieter Littmann, Jürgen Peter Mohrbutter, Giulia Mei, Andre-Armand Finette, Sven Georg Wolfram, Michael Deuerling, Danir Khayrullin, Georg Groos, Christoph Wolf
  • Publication number: 20180030160
    Abstract: A process for polymerizing or copolymerizing ethylenically unsaturated monomers in the presence of free-radical polymerization initiators, wherein the polymerization is carried out at temperatures from 100° C. to 350° C. and pressures in the range of from 110 MPa to 500 MPa in a continuously operated polymerization reactor which is controlled by a pressure control valve at the outlet of the polymerization reactor, the process comprising continuously monitoring the pressure within the polymerization reactor, feeding a pressure signal to a controller for controlling the control valve and having the controller altering the opening of the pressure control valve to control the pressure within the polymerization reactor, wherein the controller starts an emergency shutdown program when the pressure control valve closes more than a preset threshold value and the pressure within the polymerization reactor decreases below a preset pressure threshold.
    Type: Application
    Filed: February 22, 2016
    Publication date: February 1, 2018
    Applicant: Basell Polyolefine GmbH
    Inventors: Sven Wolfram, Andre-Armand Finette, Udo Backes, Andrei Gonioukh, Hicran Cabuk