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).

  • Publication number: 20110124791
    Abstract: The present invention relates to a flame retardant polymer composition comprising (A) at least one polar olefin copolymer comprising one or more comonomer units selected from (meth)-acrylate and/or (meth)-acrylic acid, (B) a silicone-group containing compound, and (C) an inorganic filler which is neither a hydroxide nor a substantially hydrated compound in an amount of 46 to 70 wt % of the total weight of the polymer composition, wherein the at least one olefin copolymer (A) comprises one or more comonomer units selected from (meth)-acrylate and/or (meth)-acrylic acid in an amount of 9.0 to 60 wt % of the polar olefin copolymer. to an article, in particular a wire or cable, comprising said flame retardant polymer composition, and to the use of said composition for the production of a layer of a wire or cable.
    Type: Application
    Filed: May 27, 2009
    Publication date: May 26, 2011
    Applicant: BOREALIS AG
    Inventors: Bernt-Ake Sultan, Jonas Jungqvist
  • Publication number: 20100300727
    Abstract: The present invention relates to a cable comprising one or more insulated conductors which are embedded in a bedding composition, which comprises a) a polymer resin (A) and b) an inorganic filler (B), wherein the polymer resin (A) comprises an olefin homo- and/or copolymer (A.1) which has a weight average molecular weight Mw of 10,000 g/mol or more and a molecular weight distribution MWD of 4.5 or lower and, in a second aspect, to a cable comprising one or more insulated conductors which are embedded in a bedding composition, which comprises a) a polymer resin (A) and b) an inorganic filler (B), wherein the heat release rate HRR of the composition at any time within is the period from 0 s to 200 s after ignition does not exceed a maximum of 80 kW measured with cone calorimetry according to ISO 5660-1. The bedding may also comprise a bedding layer provided between said one or more insulated conductors and an outer sheath layer, wherein the bedding layer comprises the above bedding composition.
    Type: Application
    Filed: September 11, 2008
    Publication date: December 2, 2010
    Inventors: Bernt-Ake Sultan, Wendy Loyens, James Elliott Robinson, Susanna Lieber, Herbert Baur
  • Publication number: 20100292410
    Abstract: The application provides propylene polymer including at least 80 mol % units derived from propylene and less than 0.5 mol % units derived from a tertiary diene wherein said tertiary diene is not a 1,4-diene, said polymer including 1-50 tertiary double bonds per 10,000 carbon atoms of the main chain of said polymer. The polymer may be obtained using a Ziegler Natta catalyst. The application further provides a long chain branched propylene polymer obtainable from the afore-mentioned propylene polymer including tertiary double bonds.
    Type: Application
    Filed: November 7, 2008
    Publication date: November 18, 2010
    Applicant: BOREALIS TECHNOLOGY OY
    Inventors: Petar Doshev, Svein Nenseth, Tung Pham, Ariid Follestad, Bernt-Ake Sultan
  • Publication number: 20100280206
    Abstract: This application relates to an ethylene polymer having a weight average molecular weight of at least 120,000 including 1-50 tertiary double bonds per 10,000 carbon atoms.
    Type: Application
    Filed: October 11, 2007
    Publication date: November 4, 2010
    Applicant: BOREALIS TECHNOLOGY OY
    Inventors: Ariid Follestad, Petar Doshev, Anne Britt Bjaland, Bernt-Ake Sultan, Magnus Palmlof, Morten Lundquist
  • Publication number: 20100108354
    Abstract: The present invention relates to a cable comprising one or more insulated conductors which are embedded in a bedding composition having improved flame retardancy. The bedding composition comprises a resin (A) and inorganic filler (B), which is a hydroxide or hydrated compound.
    Type: Application
    Filed: January 29, 2008
    Publication date: May 6, 2010
    Applicant: BOREALIS TECHNOLOGY OY
    Inventors: Bernt-Ake Sultan, James Elliott Robinson, Wendy Loyens, Susanna Lieber
  • Publication number: 20100022715
    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: Application
    Filed: April 11, 2007
    Publication date: January 28, 2010
    Inventors: Christelle Grein, Magnus Palmlof, Markus Gahleitner, Bernt-Ake Sultan, Ulf Torgersen
  • Publication number: 20090209688
    Abstract: The present invention relates to the use of a silicon containing compound as drying agent of a polyolefln composition comprising a crosslinkable polyolefin with hydrolysable silane groups, wherein the silicon containing compound has a structure according to the formula (R1)x[Si(R2)y(R3)z]m wherein R1, which may be the same or different if more than one such group is present, is a monofunctional, or, if m=2, is a bifunctional, hydrocarbyl residue comprising from 1 to 100 carbon atoms; R2, which may be the same or different if more than one such group is present, is a hydrocarbyloxy residue comprising from 1 to 100 carbon atoms; R3, is —R4SiR1pR2q, wherein p is 0 to 3, q is 0 to 3, with the proviso that p+q is 3, and R4 is —(CH2)rYs(CH2)t? where r and t independently are 1 to 3, s is 0 or 1 and Y is a difunctional heteroatomic group selected from —O—, —S—, —SO—, —SO2—, —NH—, —NR1— or —PR1—, where R1 and R2 are as previously defined; and x is 0 to 3, y is 1 to 4, z is 0 or 1, with the proviso that x+y+z=4; and m
    Type: Application
    Filed: May 23, 2008
    Publication date: August 20, 2009
    Inventors: Roger Carlsson, Bernt-Ake Sultan, Ola Fagrell
  • Publication number: 20090203821
    Abstract: The present invention relates to the use of a silicon containing compound as processing aid in the compounding of polyolefin compositions, wherein the silicon containing compound has a structure according to the formula (I): (R1)x[Si(R2)y(R3)z]m wherein R1, which may be the same or different if more than one such group is present, is a monofunctional, or, if m=2, is a bifunctional, hydrocarbyl residue comprising from 1 to 100 carbon atoms; R2, which may be the same or different if more than one such group is present, is a hydrocarbyloxy residue comprising from 1 to 100 carbon atoms; R3, is —R4SiR1pR2q, wherein p is 0 to 3, q is 0 to 3, with the proviso that p+q is 3, and R4 is —(CH2)rYs(CH2)t— where r and t independently are 1 to 3, s is 0 or 1 and Y is a difunctional heteroatomic group selected from —O—, —S—, —SO—, —SO2—, —NH—, —NR1— or —PR1—, where R1 and R2 are as previously defined; and x is 0 to 3, y is 1 to 4, z is 0 or 1, with the proviso that x+y+z=4; and m=1 or 2, and to the use of such a compound in
    Type: Application
    Filed: May 23, 2007
    Publication date: August 13, 2009
    Inventors: Roger Carlsson, Bernt-Ake Sultan, Ola Fagrell
  • Publication number: 20080269424
    Abstract: A crosslinkable silane containing polyethylene composition, an insulated electric cable, and a process for the preparation of the composition are described. The crosslinkable silane containing polyethylene composition has a silane content of about 0.1 to 10% by weight, and at least one silanol condensation catalyst, and is characterised in that the composition has a branching parameter (g?) value of at least 0.65. The insulation of the electrical cable comprise the composition as a polymer. The process is characterised in that it is a high pressure polymerisation process at a peak temperature of at most 260° C.
    Type: Application
    Filed: November 16, 2004
    Publication date: October 30, 2008
    Applicant: Borealis Technology Oy
    Inventors: Jonas Jungqvist, Bernt-Ake Sultan, Kenneth Johansson
  • Publication number: 20080262136
    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: Application
    Filed: May 24, 2005
    Publication date: October 23, 2008
    Applicant: BOREALIS TECHNOLOGY OY
    Inventors: Gustaf Akermark, Bernt-Ake Sultan, Annika Smedberg
  • Patent number: 7435908
    Abstract: A low voltage power cable having an insulation layer with a density below 1100 kg/m3, which has a polyolefin having 0.002-4% mol of a compound that has polar groups and further having a compound that has hydrolysable silane groups and includes 0.0001-3% weight of a silanol condensation catalyst and a process of manufacturing such a cable.
    Type: Grant
    Filed: October 22, 2004
    Date of Patent: October 14, 2008
    Assignee: Borealis Technology Oy
    Inventors: Jonas Jungkvist, Bernt-Ake Sultan, Wald Detlef
  • Publication number: 20080188589
    Abstract: The present invention in a first embodiment relates to a conduit or automotive wire consisting of an inner conductor core surrounded by a flame retardant layer made of a polymer composition in a continuous process which composition comprises (A) an olefin homo- and/or copolymer, (B) a silicone-group containing compound, and (C) an inorganic filler, wherein the ratio of the MFR2 measured under a load of 2.16 kg and at a temperature of 190° C. of component (A) to the MFR2 measured under a load of 2.16 kg and at a temperature of 190° C. of the composition is higher than 3.5, and the wire has a length of at least 100 m. In a second embodiment, the present invention relates to a power or communications cable or wire comprising a flame retardant layer made of a polymer composition comprising (A) an olefin homo- and/or copolymer, (B) a silicone-group containing compound, and (C) an inorganic filler, wherein the ratio of the MFR2 measured under a load of 2.16 kg and at a temperature of 190° C.
    Type: Application
    Filed: February 22, 2006
    Publication date: August 7, 2008
    Inventors: Bernt-Ake Sultan, Jonas Jungkvist, Urban Andreason, Lars-Erik Ahlstrand
  • Publication number: 20080093103
    Abstract: The present invention relates to a low voltage power cable comprising an insulation layer with a density below 1100 kg/m3 which comprises a polyolefin comprising 0.02 to 4 mol % of a compound having polar groups and further comprises a compound having hydrolysable silane groups and include 0.0001 to 3 wt.-% of a silanol condensation catalyst. Furthermore, the present invention relates to a process for the production of said low voltage power cable and to the use of a polyolefin comprising 0.02 to 4 mol % of a compound having polar groups in the production of an insulation layer for a low voltage power cable.
    Type: Application
    Filed: October 22, 2004
    Publication date: April 24, 2008
    Inventors: Jonas Jungkvist, Bernt-Ake Sultan, Wald Detlef
  • Publication number: 20070161758
    Abstract: The present invention relates to a crosslinkable high pressure polyethylene composition containing ethylene silane copolymer resin having a content of silane of about 0.1 to 10 weight % and at least one silanol condensation catalyst. The invention further relates to a process for the preparation thereof, to a pipe made of said composition and to the use of the composition as an insulation for a cable.
    Type: Application
    Filed: August 28, 2004
    Publication date: July 12, 2007
    Applicant: Borealis Technology OY
    Inventors: Bernt-Ake Sultan, Jeroen Oderkerk, Kenneth Johansson, Jonas Jungkvist
  • Publication number: 20070112111
    Abstract: The present invention relates to a flame retardant polymer composition comprising (A) an olefin homo- and/or copolymer in an amount of from 30 to 70 wt.-% of the total polymer composition, (B) a silicone-group containing compound, (C) an inorganic filler in an amount of at least 10 wt % of the total polymer composition, wherein component (C) has a particle size distribution so that at least 10 wt % of the total polymer composition are particles with a size of below 0.7 micrometers. Furthermore, the invention relates to the use of such a composition in a conduit, plug, wire or cable or for injection moulding, and to a wire or cable having a layer comprising such a composition.
    Type: Application
    Filed: August 25, 2004
    Publication date: May 17, 2007
    Inventors: Jonas Jungkvist, Bernt-Ake Sultan
  • Publication number: 20060241256
    Abstract: The use in the manufacture of a polyethylene article of a polyethylene composition comprising 20 to 50% wt of a copolymer of ethylene and a C3-20 alpha olefin comonomer and 50 to 80% wt. Of a lower weight average molecular weight ethylene polymer, the polyethylenes of the composition together having a density of 935 to 965 kg/m3, weight average molecular weight of 60000 to 300000 g/mol, an MFR2.16 at 190° C. of 0.1 to 10 g/10 min., and a molecular weight distribution (MWD) of from 2.5 to 20, the copolymer having a comonomer content of from 0.006 to 9 mol % and a degree of branching of 0.03 to 45 branches per 1000 carbons, and the ethylene polymer having a density of 939 to 975 kg/m3 and a weight average molecular weight of 20000 to 200000 g/mol.
    Type: Application
    Filed: November 26, 2003
    Publication date: October 26, 2006
    Applicant: BOREALIS TECHNOLOGY OY
    Inventors: Hege Baann, Svein Eggen, Hans Eklind, Irene Helland, Solveig Johansson, Bernt-Ake Sultan, Anneli Malmberg, Katrin Nord-Varhaug, Philipp Walter