Patents by Inventor Bernt-Ake Sultan

Bernt-Ake Sultan 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).

  • Patent number: 9249288
    Abstract: The present invention relates to a flame retardant polymer composition comprising a crosslinkable terpolymer comprising ethylene monomer units, a silane group containing comonomer units and comonomer units comprising a polar group; a metal carbonate filler and a silicone fluid or gum; wherein the content of the comonomer units comprising a polar group is between 2 and 25 wt % of the terpolymer and the content of the silane group containing comonomer units is between 0.2 and 4 wt % of the terpolymer. The present invention is also directed to the process for the production of the polymer composition, to a cable and/or to an electrical device having a layer comprising said polymer composition, and uses thereof.
    Type: Grant
    Filed: April 29, 2013
    Date of Patent: February 2, 2016
    Assignee: BOREALIS AG
    Inventors: Urban Andreasson, Takashi Uematsu, Bernt-Ake Sultan, Martin Anker, Oscar Prieto
  • Patent number: 9221934
    Abstract: The present invention relates to a process for manufacturing polyethylene-silane-copolymer conducted in a plant including at least one compressor unit and at least one reactor downstream of the compressor unit. The process includes the steps of (a) feeding a first feed stream including ethylene into the at least one compressor unit and subsequently to the at least one reactor, and (b1) feeding a second feed stream including at least one silane comonomer to the at least one reactor as front feed and/or (b2) feeding a second feed stream including at least one silane comonomer to the at least one reactor at at least one location along the reactor.
    Type: Grant
    Filed: March 7, 2013
    Date of Patent: December 29, 2015
    Assignee: Borealis AG
    Inventors: Helmut Feichtner, Bernt-Ake Sultan, Gabriel Ruess, Bjoern Voigt, Roger Carlsson, Martin Anker, Mattias Bergqvist, Kristian Dahlen, Kjell Fossum, Thomas Hjertberg, Perry Nylander
  • Patent number: 9200150
    Abstract: The present invention relates to the use of a silicon containing compound for reducing the retention time of a polyolefin composition comprising a crosslinkable polyolefin with hydrolysable silane groups. A master batch is compounded with the polyolefin composition to form a compounding composition. The master batch comprises a matrix polymer, a Bronsted acid that is a silanol condensation catalyst and is present in the amount of 0.7 to 3.5 wt %, and a silicon containing compound with a structure according to the formula (I): (R1)x[Si(R2)y(R3)z]m wherein R1 is C6-22 alkyl, R2 is C1-10 alkoxy, R3 is —R4SiR1R2 , R4 is —(CH2)rYs(CH2)t— where Y is a difunctional heteroatomic group, x+y+z=4, and m=1. The silicon containing compound is 2 to 10 wt % of the master batch, and 0.01 to 1.5 wt % of the compounding composition.
    Type: Grant
    Filed: May 23, 2007
    Date of Patent: December 1, 2015
    Assignee: Borealis Technology OY
    Inventors: Roger Carlsson, Bernt-Ake Sultan, Ola Fagrell
  • Publication number: 20150284582
    Abstract: The present invention relates to a cable construction comprising one or more layer elements, which layer elements comprise a first composition, wherein the first composition comprises: 20 to 80 weight percent of a vinyl chloride resin and 1 to 40 weight percent of an epoxidized ester of fatty acids and a monomeric polyol, which epoxidized ester is a compound of formula (I) wherein the compound of formula (I) has an amount of double bonds corresponding to an Iodine value of 2 or less, a power cable, process for producing a cable construction, and a crosslinked cable construction obtainable by the process.
    Type: Application
    Filed: November 28, 2013
    Publication date: October 8, 2015
    Applicant: Borealis AG
    Inventors: Thomas Hjertberg, Martin Anker, Bernt-Ake Sultan, Patrik Alnegren, Kristian Dahlen, Perry Nylander, Ola Fagrell
  • Publication number: 20150210785
    Abstract: The present invention relates to low density polyethylene having a melt flow rate (MFR) according to ISO 1133 (190° C., 2.16 kg) which is higher than 4.0 g/10 min, a storage modulus G?, measured at a loss modulus G? of 5 kPa, which is above 3000 Pa and a vinylidene content which is at least 24/100 k C, compositions, a process for production of the low density polyethylene, a low density polyethylene which is obtainable by the process, a continuous ethylene polymerization method for introducing vinylidene in a low density polyethylene, a method for an extrusion coating process or an extrusion lamination process, an article, e.g. an extrusion article, an extrusion lamination article, film blowing article, film casting article, wire and cable extrusion article, injection moulding article, blow moulding article or pipe extrusion article, and uses of the low density polyethylene.
    Type: Application
    Filed: December 7, 2012
    Publication date: July 30, 2015
    Applicant: BOREALIS AG
    Inventors: Auli Nummila-Pakarinen, Bernt-Ake Sultan, Bjorn Voigt, Martin Anker, Mattias Bergqvist, Thomas Gkourmpis, Thomas Hjertberg, Gabriel Ruess
  • Publication number: 20150133616
    Abstract: The present invention provides a process for manufacturing polyethylene-diene-copolymer conducted in a plant including at least one compressor unit, at least one preheater unit downstream of the compressor unit and at least one reactor, in particular a reactor, downstream of the compressor unit and the preheater unit. The process comprising the steps of (a) feeding a first feed stream comprising ethylene into the at least one compressor unit and subsequently into the at least one preheater unit, and (b1) feeding a second feed stream including at least one diene comonomer to the first feed stream leaving the at least preheater unit, and feeding the combined feed streams including ethylene and the at least one diene comonomer to the at least one reactor, and/or (b2) feeding a second feed stream including at least one diene comonomer to the at least one reactor at at least one location along the reactor.
    Type: Application
    Filed: March 7, 2013
    Publication date: May 14, 2015
    Inventors: Bernt-Ake Sultan, Bjoern Voigt, Perry Nylander, Thomas Hjertberg, Kristian Dahlen, Mattias Bergqvist, Martin Anker, Kjell Fossum
  • Publication number: 20150112007
    Abstract: The present invention relates to a flame retardant polymer composition comprising a crosslinkable terpolymer comprising ethylene monomer units, a silane group containing comonomer units and comonomer units comprising a polar group; a metal carbonate filler and a silicone fluid or gum; wherein the content of the comonomer units comprising a polar group is between 2 and 25 wt % of the terpolymer and the content of the silane group containing comonomer units is between 0.2 and 4 wt % of the terpolymer. The present invention is also directed to the process for the production of the polymer composition, to a cable and/or to an electrical device having a layer comprising said polymer composition, and uses thereof.
    Type: Application
    Filed: April 29, 2013
    Publication date: April 23, 2015
    Applicant: BOREALIS AG
    Inventors: Urban Andreasson, Takashi Uematsu, Bernt-Ake Sultan, Martin Anker, Oscar Prieto
  • Publication number: 20150111053
    Abstract: The present invention relates to a low density polyethylene having a molecular weight distribution Mw/Mn which is 15 or less, a storage modulus G?, measured at a loss modulus G? of 5 kPa, which is above 3000 Pa, a weight average molecular weight (Mw) which is between 192000 and 250000 g/mol and has a melt flow rate (MFR) according to ISO 1133 (190° C., 2.16 kg) which is higher than 3.0 g/10 min, compositions, a process for production of the low density polyethylene, a low density polyethylene which is obtainable by the process, a continuous ethylene polymerization method for introducing vinylidene in a low density polyethylene, a method for an extrusion coating process or a method for an extrusion lamination process, an article, e.g. an extrusion article, an extrusion lamination article, film blowing article, film casting article, wire and cable extrusion article, injection moulding article, blow moulding article or pipe extrusion article, and uses of the low density polyethylene.
    Type: Application
    Filed: December 7, 2012
    Publication date: April 23, 2015
    Inventors: Auli Nummila-Pakarinen, Bernt-Ake Sultan, Bjorn Voigt, Gabriel Ruess, Martin Anker, Mattias Bergqvist, Thomas Gkourmpis, Thomas Hjertberg
  • Publication number: 20150112032
    Abstract: The present invention relates to a process for manufacturing polyethylene-silane-copolymer conducted in a plant including at least one compressor unit and at least one reactor downstream of the compressor unit. The process includes the steps of (a) feeding a first feed stream including ethylene into the at least one compressor unit and subsequently to the at least one reactor, and (b1) feeding a second feed stream including at least one silane comonomer to the at least one reactor as front feed and/or (b2) feeding a second feed stream including at least one silane comonomer to the at least one reactor at at least one location along the reactor.
    Type: Application
    Filed: March 7, 2013
    Publication date: April 23, 2015
    Inventors: Helmut Feichtner, Bernt-Ake Sultan, Gabriel Ruess, Bjoern Voigt, Roger Carlsson, Martin Anker, Mattias Bergqvist, Kristian Dahlen, Kjell Fossum, Thomas Hjertberg, Perry Nylander
  • Publication number: 20150073104
    Abstract: The present invention relates to a high-pressure radical ethylene polymerization process in which ethylene is polymerized with a polyunsaturated olefin comprising at least 6 carbon atoms and at least two non-conjugated double bonds of which at least one is terminal, characterized in that a polyunsaturated olefin grade is used as a starting material which yields a percentage of less than 6.3% in the zero conversion test or which has a decomposition temperature as measured by DSC of 130° C. or more.
    Type: Application
    Filed: March 12, 2013
    Publication date: March 12, 2015
    Applicant: BOREALIS AG
    Inventors: Takashi Uematsu, Thomas Hjertberg, Mattias Bergqvist, Bjorn Voigt, Bernt-Ake Sultan
  • Publication number: 20140275427
    Abstract: The present invention relates to a low density polyethylene having a molecular weight distribution Mw/Mn which is greater than 15, a storage modulus G? (5 kPa) which is above 3000 and a vinylidene content which is at least 15/100k C, compositions, a process for production of the low density polyethylene, a continuous ethylene polymerization method for introducing vinylidene in a low density polyethylene, a method for an extrusion coating process, an article, e.g. an extrusion article, and use in extrusion coating.
    Type: Application
    Filed: December 7, 2012
    Publication date: September 18, 2014
    Applicant: BOREALIS AG
    Inventors: Auli Nummila-Pakarinen, Bernt-Ake Sultan, Bjorn Voigt, Martin Anker, Mattias Bergqvist, Thomas Gkourmpis, Thomas Hjertberg
  • Publication number: 20140127505
    Abstract: The invention is directed to a silane crosslinkable polymer composition which comprises a polyolefin (a) bearing hydrolysable silane group(s) containing units. The polymer composition is suitable for producing crosslinkable articles, preferably one or more layers of a cable. The formed article, preferably a cable, is preferably crosslinked before the end use thereof.
    Type: Application
    Filed: April 5, 2012
    Publication date: May 8, 2014
    Applicant: BOREALIS AG
    Inventors: Kristian Dahlen, Thomas Gkourmpis, Bernt-Ake Sultan, Martin Anker, Perry Nylander, Ola Fagrell, Lena Lindbom, Bart Verheule
  • Publication number: 20140093730
    Abstract: The invention is directed to a silane crosslinkable polymer composition which comprises a polyolefin (a) bearing hydrolysable silane group(s) containing units. The polymer composition is suitable for producing crosslinkable articles, preferably one or more layers of a cable. The formed article, preferably a cable, is preferably crosslinked before the enduse thereof.
    Type: Application
    Filed: April 5, 2012
    Publication date: April 3, 2014
    Applicant: BOREALIS AG
    Inventors: Kristian Dahlen, Bernt-Ake Sultan, Martin Anker, Perry Nylander, Ola Fagrell
  • Patent number: 8618207
    Abstract: A flame retardant polymer composition comprising (A) an ethylene copolymer comprising polar comonomer units, (B) a silicone-group containing compound, (C) an inorganic filler material, and (D) an ethylene homopolymer or a copolymer of ethylene with one or more other alpha-olefin comonomer units, wherein the polymer composition has a melting enthalpy of at least 78 J/g, an article, in particular a wire or cable, comprising said composition and the use of an ethylene homo- or copolymer in a flame retardant layer of a wire or cable for improving the mechanical properties of the wire or cable.
    Type: Grant
    Filed: November 26, 2009
    Date of Patent: December 31, 2013
    Assignee: Borealis AG
    Inventors: Bernt-Ake Sultan, Wendy Loyens
  • Patent number: 8501864
    Abstract: The present invention relates to an insulating composition for an electric power cable which comprises a polyolefin, an antioxidant, and a polar copolymer. Further, the present invention relates to an electric power cable comprising an insulating layer including a composition according to the present invention, and to the use of a polar copolymer for improving the storage stability, i.e. reducing the exudation of an antioxidant, in an insulating polymer composition. Thereby, said composition comprises polar monomer units in a comparatively small amount, e.g. in an amount of polar monomer units in the total polymer part of the composition from 1 to 100 micromol (1·10?6 to 100·106 mol) per gram of polymer in addition to an antioxidant.
    Type: Grant
    Filed: May 24, 2005
    Date of Patent: August 6, 2013
    Assignee: Borealis Technology Oy
    Inventors: Gustaf Åkermark, Bernt-Ake Sultan, Annika Smedberg
  • Patent number: 8461266
    Abstract: The present invention relates to a cable comprising a conductor surrounded by one or more layers, wherein at least one layer comprises a polymer composition comprising a multimodal copolymer of ethylene with one or more comonomers, to a process for producing the cable and to a polymer composition suitable as a cable layer material.
    Type: Grant
    Filed: October 12, 2009
    Date of Patent: June 11, 2013
    Assignee: Borealis AG
    Inventors: Jonas Junqvist, Hans Eklind, Bernt-Ake Sultan, Katrin Nord-Varhaug, Philipp Walter
  • Patent number: 8319102
    Abstract: The present invention relates to a Insulation layer for cables, a composition and a process thereof, showing improved stress whitening resistance by maintaining good mechanical and electrical properties and being environmental friendly.
    Type: Grant
    Filed: April 11, 2007
    Date of Patent: November 27, 2012
    Assignee: Borealis Technology Oy
    Inventors: Christelle Grein, Magnus Palmlof, Markus Gahleitner, Bernt-Ake Sultan, Ulf Torgersen
  • Publication number: 20110253420
    Abstract: A flame retardant polymer composition comprising (A) an ethylene copolymer comprising polar comonomer units, (B) a silicone-group containing compound, (C) an inorganic filler material, and (D) an ethylene homopolymer or a copolymer of ethylene with one or more other alpha-olefin comonomer units, wherein the polymer composition has a melting enthalpy of at least 78 J/g, an article, in particular a wire or cable, comprising said composition and the use of an ethylene homo- or copolymer in a flame retardant layer of a wire or cable for improving the mechanical properties of the wire or cable.
    Type: Application
    Filed: November 26, 2009
    Publication date: October 20, 2011
    Applicant: BOREALIS AG
    Inventors: Bernt-Ake Sultan, Wendy Loyens
  • Publication number: 20110240333
    Abstract: The present invention relates to a cable comprising a conductor surrounded by one or more layers, wherein at least one layer comprises a polymer composition comprising a multimodal copolymer of ethylene with one or more comonomers, to a process for producing the cable and to a polymer composition suitable as a cable layer material.
    Type: Application
    Filed: October 12, 2009
    Publication date: October 6, 2011
    Applicant: BOREALIS AG
    Inventors: Jonas Junqvist, Hans Eklind, Bernt-Ake Sultan, Katrin Nord-Varhaug, Philipp Walter
  • Publication number: 20110126887
    Abstract: The present invention relates to a photovoltaic module comprising a solar cell element and an insulation material laminated to at least one side of the solar cell element wherein the insulation material comprises an olefin copolymer which comprises silane group-containing monomer units, to a process for the production of such a photovoltaic module, and to the use of an olefin copolymer which comprises silane group-containing monomer units for the production of an insulation layer of a photovoltaic module.
    Type: Application
    Filed: June 10, 2009
    Publication date: June 2, 2011
    Inventors: Bernt-Ake Sultan, Udo Wahner