Patents by Inventor Kristian Dahlén
Kristian Dahlén 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).
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Patent number: 11527337Abstract: The invention relates to a crosslinkable polymer composition comprising (a) a polyolefin bearing hydrolysable silane groups and a silanol condensation catalyst compound, as well as to an article, preferably a cable, thereof. Also the use of the silanol condensation catalyst compound for crosslinking an article, preferably a layer of a cable is provided.Type: GrantFiled: August 24, 2012Date of Patent: December 13, 2022Assignee: BOREALIS AGInventor: Kristian Dahlen
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Patent number: 11170908Abstract: A process of making a cable having a conductor surrounded by at least one crosslinkable layer having a polymer composition. The polymer composition has (a) a polyolefin bearing hydrolysable silane groups and a silanol condensation catalyst compound.Type: GrantFiled: February 7, 2018Date of Patent: November 9, 2021Assignee: BOREALIS AGInventors: Kjell Fossum, Martin Anker, Mattias Bergqvist, Kristian Dahlen, Thomas Hjertberg, Perry Nylander, Ola Fagrell
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Publication number: 20210163775Abstract: The present invention relates to a polymer composition, which is a silanol condensation catalyst masterbatch, comprises a matrix, comprising a silane containing drying agent, and at least one silanol condensation catalyst, wherein each catalyst has a water content which is 0.Type: ApplicationFiled: February 11, 2021Publication date: June 3, 2021Inventors: Ola FAGRELL, Stefan HELLSTROM, Bernt-Ake SULTAN, Perry NYLANDER, Martin ANKER, Kristian DAHLEN, Asa HERMANSSON
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Patent number: 10767020Abstract: The present invention relates to a catalyst masterbatch for cross-linking a polyolefin having cross-linkable silicon-containing groups. The catalyst masterbatch includes both of a Brønsted acid and/or Brønsted acid anhydride (A); and a polyolefin (B) containing Brønsted acid and/or Brønsted acid anhydride groups. The invention also encompasses compositions of a polyolefin having cross-linkable silicon-containing groups that include the catalyst masterbatch, use of the catalyst masterbatch in a cross-linking reaction of silicon-containing polyolefins, and a cable layer that includes a polymer made using the catalyst masterbatch.Type: GrantFiled: April 24, 2013Date of Patent: September 8, 2020Assignee: BOREALIS AGInventors: Kristian Dahlén, Perry Nylander
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Patent number: 10233310Abstract: The present invention relates to a polymer composition comprising a surfactant interacting additive, and wherein the polymer composition further comprises at least one silanol condensation catalyst, wherein each catalyst is selected from: i) a compound of formula I ArSO3H (I) or a precursor thereof, wherein Ar is an 1 to 4 alkyl groups substituted aryl, wherein the aryl is phenyl or naphthyl, and wherein each alkyl group, independently, is a linear or branched alkyl with 10 to 30 carbons, wherein the total number of carbons in the alkyl groups is in the range of 20 to 80 carbons; ii) a derivative of i) selected from the group consisting of an anhydride, an ester, an acetylate, an epoxy blocked ester and an amine salt thereof which is hydrolysable to the corresponding compound of formula I; and iii) a metal salt of i) wherein the metal ion is selected from the group consisting of copper, aluminum, tin and zinc; an article, for example, a coating, a wire or a cable, comprising the polymer composition, a processType: GrantFiled: December 14, 2014Date of Patent: March 19, 2019Assignee: BOREALIS AGInventors: Martin Anker, Perry Nylander, Roger Carlsson, Bernt-Ake Sultan, Stefan Hellstrom, Kristian Dahlen, Ola Fagrell
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Publication number: 20180226173Abstract: A process of making a cable having a conductor surrounded by at least one crosslinkable layer having a polymer composition. The polymer composition has (a) a polyolefin bearing hydrolysable silane groups and a silanol condensation catalyst compound.Type: ApplicationFiled: February 7, 2018Publication date: August 9, 2018Inventors: Kjell Fossum, Martin Anker, Mattias Bergqvist, Kristian Dahlen, Thomas Hjertberg, Perry Nylander, Ola Fagrell
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Publication number: 20170355175Abstract: The present invention relates to a layered structure comprising a copper conductor and a polymer layer adjacent to the copper conductor, more specific to a wire or cable insulation layer that can preserve the copper conductor from discolouration. The polymer layer adjacent to the copper conductor comprises the polymer composition comprising a benzotriazole compound. This prevents discoloration of the copper conductor.Type: ApplicationFiled: November 25, 2015Publication date: December 14, 2017Applicant: Borealis AGInventors: Ola Fagrell, Kristian Dahlen, Stefan Hellstrom
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Publication number: 20170107356Abstract: The present invention relates to a polymer composition comprising a surfactant interacting additive, and wherein the polymer composition further comprises at least one silanol condensation catalyst, wherein each catalyst is selected from: i) a compound of formula I ArSO3H (I) or a precursor thereof, wherein Ar is an 1 to 4 alkyl groups substituted aryl, wherein the aryl is phenyl or naphthyl, and wherein each alkyl group, independently, is a linear or branched alkyl with 10 to 30 carbons, wherein the total number of carbons in the alkyl groups is in the range of 20 to 80 carbons; ii) a derivative of i) selected from the group consisting of an anhydride, an ester, an acetylate, an epoxy blocked ester and an amine salt thereof which is hydrolysable to the corresponding compound of formula I; and iii) a metal salt of i) wherein the metal ion is selected from the group consisting of copper, aluminum, tin and zinc; an article, for example, a coating, a wire or a cable, comprising the polymer composition, a processType: ApplicationFiled: December 17, 2014Publication date: April 20, 2017Inventors: Martin ANKER, Perry NYLANDER, Roger CARLSSON, Bernt-Ake SULTAN, Stefan HELLSTROM, Kristian DAHLEN, Ola FAGRELL
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Publication number: 20160319148Abstract: The present invention relates to a polymer composition, which is a silanol condensation catalyst masterbatch, comprises a matrix, comprising a silane containing drying agent, and at least one silanol condensation catalyst, wherein each catalyst has a water content which is 0.Type: ApplicationFiled: December 17, 2014Publication date: November 3, 2016Inventors: Ola FAGRELL, Stefan HELLSTROM, Bernt-Ake SULTAN, Perry NYLANDER, Martin ANKER, Kristian DAHLEN, Asa HERMANSSON
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Publication number: 20160312012Abstract: The present invention relates to a polymer composition comprising a surfactant interacting additive, and wherein the polymer composition further comprises at least one silanol condensation catalyst, wherein each catalyst is selected from: i) a compound of formula I ArSO3H (I) or a precursor thereof, wherein Ar is an 1 to 4 alkyl groups substituted aryl, wherein the aryl is phenyl or naphthyl, and wherein each alkyl group, independently, is a linear or branched alkyl with 10 to 30 carbons, wherein the total number of carbons in the alkyl groups is in the range of 20 to 80 carbons; ii) a derivative of i) selected from the group consisting of an anhydride, an ester, an acetylate, an epoxy blocked ester and an amine salt thereof which is hydrolysable to the corresponding compound of formula I; and iii) a metal salt of i) wherein the metal ion is selected from the group consisting of copper, aluminum, tin and zinc; an article, for example, a coating, a wire or a cable, comprising the polymer composition, a processType: ApplicationFiled: December 14, 2014Publication date: October 27, 2016Inventors: Martin ANKER, Perry NYLANDER, Roger CARLSSON, Bernt-Ake SULTAN, Stefan HELLSTROM, Kristian DAHLEN, Ola FAGRELL
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Publication number: 20160297949Abstract: A polyethylene composition comprising a polyethylene comprising hydrolysable silane groups and a silanol condensation catalyst that can be crosslinked. The crosslinkable polyethylene comprises trimethoxy silane and/or triethoxy silane groups and the silanol condensation catalyst comprises an inorganic tin compound in which a tin atom has no covalent bond to a carbon atom. The crosslinked composition can be used in a cable, such as an insulation layer.Type: ApplicationFiled: November 18, 2014Publication date: October 13, 2016Inventors: Oscar PRIETO, Martin ANKER, Ola FAGRELL, Kristian DAHLEN, Asa HERMANSSON
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Patent number: 9255159Abstract: 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: GrantFiled: March 7, 2013Date of Patent: February 9, 2016Assignee: Borealis AGInventors: Bernt-Ake Sultan, Bjoern Voigt, Perry Nylander, Thomas Hjertberg, Kristian Dahlen, Mattias Bergqvist, Martin Anker, Kjell Fossum
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Patent number: 9221934Abstract: 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: GrantFiled: March 7, 2013Date of Patent: December 29, 2015Assignee: Borealis AGInventors: Helmut Feichtner, Bernt-Ake Sultan, Gabriel Ruess, Bjoern Voigt, Roger Carlsson, Martin Anker, Mattias Bergqvist, Kristian Dahlen, Kjell Fossum, Thomas Hjertberg, Perry Nylander
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Publication number: 20150284582Abstract: 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: ApplicationFiled: November 28, 2013Publication date: October 8, 2015Applicant: Borealis AGInventors: Thomas Hjertberg, Martin Anker, Bernt-Ake Sultan, Patrik Alnegren, Kristian Dahlen, Perry Nylander, Ola Fagrell
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Patent number: 9133331Abstract: A crosslinkable polymer composition having (a) a polyolefin bearing hydrolysable silane groups and a silanol condensation catalyst compound, as well as to an article, preferably a cable, thereof. A silanol condensation catalyst compound utilized for crosslinking an article, preferably a layer of a cable.Type: GrantFiled: June 10, 2011Date of Patent: September 15, 2015Assignee: Borealis AGInventors: Kristian Dahlen, Ola Fagrell, Kjell Fossum, Thomas Hjertberg, Perry Nylander, Oscar Prieto
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Publication number: 20150133616Abstract: 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: ApplicationFiled: March 7, 2013Publication date: May 14, 2015Inventors: Bernt-Ake Sultan, Bjoern Voigt, Perry Nylander, Thomas Hjertberg, Kristian Dahlen, Mattias Bergqvist, Martin Anker, Kjell Fossum
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Publication number: 20150112032Abstract: 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: ApplicationFiled: March 7, 2013Publication date: April 23, 2015Inventors: Helmut Feichtner, Bernt-Ake Sultan, Gabriel Ruess, Bjoern Voigt, Roger Carlsson, Martin Anker, Mattias Bergqvist, Kristian Dahlen, Kjell Fossum, Thomas Hjertberg, Perry Nylander
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Publication number: 20150057407Abstract: The present invention relates to a polyethylene composition comprising: a) a polyethylene having cross-linkable silicon-containing groups (A); and b) a masterbatch comprising—one or more additives; and—a carrier comprising a C3-C5 alpha-olefin homo or copolymer (B). The present invention further relates to a cross-linked polyethylene composition obtainable by treating the composition according to any one of the preceding claims under cross-linking conditions. The present invention also relates to the following uses: Use of a masterbatch comprising—an additive; and—a carrier comprising a C3-C5 alpha-olefin homo- or copolymer (B) for adding an additive to a polyethylene with cross-linkable silicon-containing groups. Use of C3-C5 alpha-olefin homo- or copolymer (B) as carrier for additive(s) to improve the performance of a silanol condensation catalyst when cross-linking a polyethylene composition further comprising a polyethylene with cross-linkable silicon-containing groups.Type: ApplicationFiled: April 24, 2013Publication date: February 26, 2015Applicant: BOREALIS AGInventors: Kristian Dahlen, Perry Nylander, Ola Fagrell
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Publication number: 20140329090Abstract: The invention relates to a crosslinkable polymer composition comprising (a) a polyolefin bearing hydrolysable silane groups and a silanol condensation catalyst compound, as well as to an article, preferably a cable, thereof. Also the use of the silanol condensation catalyst compound for crosslinking an article, preferably a layer of a cable is provided.Type: ApplicationFiled: August 24, 2012Publication date: November 6, 2014Applicant: BOREALIS AGInventor: Kristian Dahlen
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Publication number: 20140295186Abstract: The invention relates to a cable comprising a conductor surrounded by at least one crosslinkable layer comprising a polymer composition which comprises (a) a polyolefin bearing hydrolysable silane groups and a silanol condensation catalyst compound, as well as to a production process of such cable.Type: ApplicationFiled: August 24, 2012Publication date: October 2, 2014Applicant: BOREALIS AGInventors: Kjell Fossum, Martin Anker, Mattias Bergqvist, Kristian Dahlen, Thomas Hjertberg, Perry Nylander, Ola Fagrell