Patents by Inventor Jarmo KELA
Jarmo KELA 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: 11914184Abstract: An integrated optically functional multilayer structure includes a flexible, substrate film arranged with a circuit design including at least a number of electrical conductors on the substrate film; and a plurality of top-emitting, bottom-installed light sources provided upon a first side of the substrate film to internally illuminate at least portion of the structure for external perception via associated outcoupling areas, wherein for each light source of the plurality of light sources there is optically transmissive plastic layer, produced upon the first side of the substrate film, said plastic layer at least laterally surrounding the light source, the substrate film at least having a similar or lower refractive index therewith; and reflector design including at least one material layer, provided at least upon the light source and configured to reflect the light emitted by the light source and incident upon the reflective layer towards the plastic layer.Type: GrantFiled: June 22, 2023Date of Patent: February 27, 2024Assignee: TACTOTEK OYInventors: Antti Keränen, Tero Heikkinen, Pasi Korhonen, Pälvi Apilo, Mikko Heikkinen, Jarmo Sääski, Paavo Niskala, Ville Wallenius, Heikki Tuovinen, Janne Asikkala, Taneli Salmi, Suvi Kela, Outi Rusanen, Johanna Juvani, Mikko Sippari, Tomi Simula, Tapio Rautio, Samuli Yrjänä, Tero Rajaniemi, Simo Koivikko, Juha-Matti Hintikka, Hasse Sinivaara, Vinski Bräysy, Olimpia Migliore, Juha Sepponen
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Publication number: 20230416428Abstract: The invention provides a process for the preparation of a multimodal high density polyethylene (HDPE) having a density of greater than 950 kg/m, a Mz of at least 1000 kDa and a melt flow rate (MFR5) of 0.01 to 4.0 g/10 min, said process comprising: (i) polymerising ethylene in a first polymerisation stage in the presence of a Ziegler-Natta catalyst to prepare a first ethylene homopolymer; (ii) polymerising ethylene in a second polymerisation stage in the presence of said catalyst and said first ethylene homopolymer to prepare an ethylene homopolymer mixture comprising said first ethylene homopolymer and a second ethylene homopolymer; and (iii) polymerising ethylene and at least one alpha-olefin comonomer in a third polymerisation stage in the presence of said catalyst and said ethylene homopolymer mixture to prepare said multimodal HDPE; wherein the split for the third polymerisation stage is at least 50%.Type: ApplicationFiled: November 26, 2021Publication date: December 28, 2023Inventors: Tuan Anh TRAN, Alexandra Romina ALBUNIA, Qizheng DOU, Victor SUMERIN, Markku VAHTERI, Jarmo KELA
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Publication number: 20230212377Abstract: A multimodal polyethylene composition having a lower molecular weight (LMW) ethylene homo or copolymer component (A) and a higher molecular weight ethylene copolymer component (B); wherein the lower molecular weight component comprises: (ai) a first fraction which comprises an ethylene homo or copolymer of ethylene and one or more C3-10 alpha olefins; and (aii) a N second fraction which comprises a different ethylene homo or copolymer of ethylene and one or more C3-10 alpha olefins; wherein the multimodal polymer composition has a density of 930 kg/m3 or more (ISO1183), such as 938 to 955 kg/m3, an MFR2 (ISO1133 at 190° C. and 2.16 kg load) in the range of 0.05 to 10 g/10 min, and a flexural modulus of up to 800 MPa, such as 300 to 800 MPa (ISO 178:2010).Type: ApplicationFiled: May 19, 2021Publication date: July 6, 2023Inventors: Anna HJÄRTFORS, Per-Ola HAGSTRAND, Villgot ENGLUND, Jarmo KELA
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Publication number: 20230193002Abstract: The present invention relates to a multimodal polymer of ethylene, to the use of the multimodal polymer of ethylene in film applications and to a film comprising the multimodal polymer of ethylene of the invention.Type: ApplicationFiled: March 17, 2021Publication date: June 22, 2023Inventors: John Jamieson, Ravindra Tupe, Pauli Leskinen, Jarmo Kela
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Patent number: 11572461Abstract: The present invention is directed to a multimodal polyethylene copolymer comprising a first and a second copolymer of ethylene and at least two alpha-olefin comonomers. Such multimodal copolymers are highly suitable for conversion processes that require a high Draw Down Ratio, like the production of thin films. Such multimodal polyethylene copolymers provide a good impact strength in the sense of a high Dart drop impact strength (DDI) and good isotropy of the films produces thereof. The invention further presents final articles such as films made therefrom.Type: GrantFiled: May 30, 2016Date of Patent: February 7, 2023Assignee: Borealis AGInventors: Ravindra Tupe, John Jamieson, Jarmo Kela, Alexandra Romina Albunia, Ricardo Godoy-Lopez, Markku Vahteri
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Patent number: 11180586Abstract: The present invention deals with a process for producing a multimodal ethylene polymer composition suitable for producing films by blow moulding and comprising the steps of (i) homopolymerising ethylene or copolymerising ethylene and an alpha-olefin comonomer in a first polymerisation step in the presence of a silica supported Ziegler-Natta catalyst to produce a first ethylene homo- or copolymer (PEI) having a density of from 940 to 980 kg/m3 and a melt flow rate MFR2 of from 2 to 1000 g/10 min, provided that if the first ethylene homo- or copolymer (PE1) is a copolymer, MFR2 thereof is in the range of 2 to 100 g/10 min; (ii) homopolymerising ethylene or copolymerising ethylene and an alpha-olefin comonomer in a second polymerisation step in the presence of the first ethylene homo- or copolymer to produce a first ethylene polymer mixture (PEM1) comprising the first ethylene homo- or copolymer and a second ethylene homo- or copolymer (PE2), said first ethylene polymer mixture having a density of from 940 to 98Type: GrantFiled: November 16, 2017Date of Patent: November 23, 2021Assignee: Borealis AGInventors: Jari Äärilä, Auli Nummila-Pakarinen, Jarmo Kela, Anh Tuan Tran
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Patent number: 10982025Abstract: Disclosed is a process for producing a multimodal ethylene polymer composition suitable for producing films by blow moulding. The process comprises (i) copolymerising ethylene and an alpha-olefin comonomer in a first polymerisation step to produce a first ethylene copolymer (PE1); (ii) copolymerising ethylene and an alpha-olefin comonomer in a second polymerisation step in the presence of the first ethylene copolymer to produce a first ethylene polymer mixture (PEM1), wherein the MFR2 of PE1 is higher than the MFR2 of PEM1; and (iii) copolymerising ethylene and an alpha-olefin comonomer in a third polymerisation step in the presence of the PEM1 to produce a second ethylene polymer mixture (PEM2) having a density of from 915 to 925 kg/m3 and a melt flow rate MFR5 of from 0.3 to 5 g/10 min.Type: GrantFiled: November 16, 2017Date of Patent: April 20, 2021Assignee: Borealis AGInventors: Jari Äärilä, Auli Nummila-Pakarinen, Jarmo Kela, Anh Tuan Tran
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Patent number: 10899942Abstract: The present invention deals with a process for producing a coated pipe.Type: GrantFiled: September 20, 2017Date of Patent: January 26, 2021Assignee: Borealis AGInventors: Jari Äärilä, Jarmo Kela, Jouni Purmonen
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Patent number: 10800864Abstract: The present invention relates to a process for producing ethylene copolymers in a multistage process comprising at least one slurry phase polymerization stage and at least one gas phase polymerization stage in the presence of Ziegler Natta catalyst comprising a solid catalyst component, a cocatalyst of a compound of group 13 metal and an external additive selected from alkoxysilanes of formula (I) R1nSi(OR2)4-n, (I) where n is an integer 0 to 3, each R1 are equal or different and are selected among H, halogen, alkyl groups of 1 to 6 carbon atoms optionally substituted with one or more halogen atoms, alkenyl groups of 2 to 6 carbon atoms optionally substituted with one or more halogen atoms, and aryl groups of 6 to 12 carbon atoms optionally substituted with one or more halogen atoms, or the R?groups can form with the Si atom they are linked to a ring of 3 to 8 ring atoms, provided that all R1 are not hydrogen, R2 are equal or different and are selected among alkyl groups of 1 to 6 carbon atoms optionally subsType: GrantFiled: June 12, 2019Date of Patent: October 13, 2020Assignee: BOREALIS AGInventors: Victor Sumerin, Joseph Thorman, Jani Aho, Markku Vahteri, Ravindra Tupe, Jarmo Kela
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Patent number: 10654688Abstract: A counterweight module, a locking element, a counterweight and a method for assembling a counterweight are disclosed. The counterweight module includes a first part and a second part, between which a straight joint is arranged at right angle in relation to the longitudinal direction of the counterweight module. The counterweight locking element can be used to secure the counterweight modules into a counterweight frame. In the method, the counterweight is filled with balancing modules starting from the bottom of the frame.Type: GrantFiled: January 27, 2017Date of Patent: May 19, 2020Assignee: KONE CORPORATIONInventors: Janne Mikkonen, Matti Räsänen, Esko Aulanko, Jorma Mustalahti, Veijo Manninen, Jari Heikkinen, Jarmo Kela, Sakari Korvenranta, HÅkan Bärneman
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Patent number: 10619036Abstract: The present invention is directed to a multimodal polyethylene copolymer comprising a first and a second copolymer of ethylene and at least two alpha-olefin comonomers. The multimodal polyethylene copolymer is highly suitable for the production of films providing high impact strength in the sense of high Dart drop impact strength (DDI) and low extractables. The invention further presents final articles such as films made therefrom.Type: GrantFiled: May 30, 2016Date of Patent: April 14, 2020Assignee: Borealis AGInventors: Ravindra Tupe, John Jamieson, Jarmo Kela, Alexandra Romina Albunia, Ricardo Godoy-Lopez, Markku Vahteri
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Patent number: 10584196Abstract: A process for producing copolymers of ethylene and at least one alpha-olefin having from 4 to 10 carbon atoms in the presence of a solid Ziegler-Natta catalyst comprising of magnesium, titanium, halogen and an internal organic compound, the copolymer having a density of from 906 to 937 kg/m3 and a melt flow rate MFR21 measured at 190° C. under 21.6 kg load of from 3 to 150 g/10 min. The process includes the steps of (A) homopolymerising ethylene or copolymerising ethylene and a first alpha-olefin having from 4 to 10 carbon atoms in a first polymerisation stage in the presence of the polymerisation catalyst, hydrogen and optionally the first alpha-olefin; (B) copolymerising ethylene and a second alpha-olefin having from 4 to 10 carbon atoms in a second polymerisation stage in the presence of the first homo- or copolymer of ethylene and the Ziegler-Natta catalyst; and (C) recovering the polymer mixture.Type: GrantFiled: June 23, 2016Date of Patent: March 10, 2020Assignee: BOREALIS AGInventors: Alexandra Romina Albunia, Ravindra Tupe, Victor Sumerin, John Jamieson, Jani Aho, Markku Vahteri, Jarmo Kela, Renate Eckmayr
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Publication number: 20200032095Abstract: The present invention deals with a process for producing a coated pipe.Type: ApplicationFiled: September 20, 2017Publication date: January 30, 2020Inventors: Jari Äärilä, Jarmo Kela, Jouni Purmonen
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Publication number: 20200010655Abstract: The present invention deals with a process for producing a multimodal ethylene polymer composition suitable for producing films by blow moulding.Type: ApplicationFiled: November 16, 2017Publication date: January 9, 2020Inventors: Jari Äärilä, Auli Nummila-Pakarinen, Jarmo Kela, Anh Tuan Tran
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Patent number: 10494465Abstract: The present invention relates to a film comprising at least one layer which comprises a polymer composition comprising (a) a multimodal polymer of ethylene.Type: GrantFiled: November 18, 2015Date of Patent: December 3, 2019Assignee: BOREALIS AGInventors: Jarmo Kela, Peter Niedersuss, Jari Aarila, Markku Vahteri, Floran Prades, John Jamieson, Willem Wever
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Publication number: 20190300630Abstract: The present invention deals with a process for producing a multimodal ethylene polymer composition suitable for producing films by blow moulding and comprising the steps of (i) homopolymerising ethylene or copolymerising ethylene and an alpha-olefin comonomer in a first polymerisation step in the presence of a silica supported Ziegler-Natta catalyst to produce a first ethylene homo- or copolymer (PEI) having a density of from 940 to 980 kg/m3 and a melt flow rate MFR2 of from 2 to 1000 g/10 min, provided that if the first ethylene homo- or copolymer (PE1) is a copolymer, MFR2 thereof is in the range of 2 to 100 g/10 min; (ii) homopolymerising ethylene or copolymerising ethylene and an alpha-olefin comonomer in a second polymerisation step in the presence of the first ethylene homo- or copolymer to produce a first ethylene polymer mixture (PEM1) comprising the first ethylene homo- or copolymer and a second ethylene homo- or copolymer (PE2), said first ethylene polymer mixture having a density of from 940 to 98Type: ApplicationFiled: November 16, 2017Publication date: October 3, 2019Inventors: Jari Äärilä, Auli Nummila-Pakarinen, Jarmo Kela, Anh Tuan Tran
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Publication number: 20190292284Abstract: The present invention relates to a process for producing ethylene copolymers in a multistage process comprising at least one slurry phase polymerization stage and at least one gas phase polymerization stage in the presence of Ziegler Natta catalyst comprising a solid catalyst component, a cocatalyst of a compound of group 13 metal and an external additive selected from alkoxysilanes of formula (1) R1nSi(OR2)4-n, (I) where n is an integer 0 to 3, each R1 are equal or different and are selected among H, halogen, alkyl groups of 1 to 6 10 carbon atoms optionally substituted with one or more halogen atoms, alkenyl groups of 2 to 6 carbon atoms optionally substituted with one or more halogen atoms, and aryl groups of 6 to 12 carbon atoms optionally substituted with one or more halogen atoms, or the R1 groups can form with the Si atom they are linked to a ring of 3 to 8 ring atoms, provided that all R1 are not hydrogen, R2 are equal or different and are selected among alkyl groups of 1 to 6 carbon atoms optionallyType: ApplicationFiled: June 12, 2019Publication date: September 26, 2019Inventors: Victor SUMERIN, Joseph THORMAN, Jani AHO, Markku VAHTERI, Ravindra TUPE, Jarmo KELA
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Publication number: 20190256695Abstract: A polymer composition comprising a base resin is disclosed herein. The base resin includes a first high molecular weight component, a low molecular weight component and a second high molecular weight component. The weight average molecular weight of the second high molecular weight component differs from the first high molecular weight component. The ratio of the weight and number average molecular weight of the first high molecular weight component is greater than 5. The first high molecular weight component has a density of equal or less than 930 kg/m3, and an intrinsic viscosity of equal or less than 15 dl/g, The base resin has a melt flow rate MFR5 of equal or less than 0.40 g/10 min and the composition has a viscosity at a shear stress of 747 Pa (eta747) of more than 700 kPas. Also a process for the production of a polymer composition is disclosed herein.Type: ApplicationFiled: June 20, 2017Publication date: August 22, 2019Inventors: Yi Liu, Qizheng Dou, Victor Sumerin, Jani Aho, Jarmo Kela, Thomas Hjertberg, Anna Hjärtfors
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Patent number: 10385194Abstract: The present invention relates to a polymer composition, to the use of the polymer composition in film applications and to a film comprising the polymer composition of the invention.Type: GrantFiled: November 18, 2015Date of Patent: August 20, 2019Assignee: BOREALIS AGInventors: Jarmo Kela, Peter Niedersuss, Jari Aarila, Markku Vahteri, Floran Prades, John Jamieson, Willem De Wever
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Patent number: 10364310Abstract: The present invention relates to a process for producing ethylene copolymers in a multistage process comprising at least one slurry phase polymerization stage and at least one gas phase polymerization stage in the presence of Ziegler Natta catalyst comprising a solid catalyst component, a cocatalyst of a compound of group 13 metal and an external additive selected from alkoxysilanes of formula (I) R1nSi(OR2)4-n, (I) where n is an integer 0 to 3, each R1 are equal or different and are selected among H, halogen, alkyl groups of 1 to 6 10 carbon atoms optionally substituted with one or more halogen atoms, alkenyl groups of 2 to 6 carbon atoms optionally substituted with one or more halogen atoms, and aryl groups of 6 to 12 carbon atoms optionally substituted with one or more halogen atoms, or the R1 groups can form with the Si atom they are linked to a ring of 3 to 8 ring atoms, provided that all R1 are not hydrogen, R2 are equal or different and are selected among alkyl groups of 1 to 6 carbon atoms optionallyType: GrantFiled: February 4, 2016Date of Patent: July 30, 2019Assignee: BOREALIS AGInventors: Victor Sumerin, Joseph Thorman, Jani Aho, Markku Vahteri, Ravindra Tupe, Jarmo Kela