Patents by Inventor Arja Lehtinen

Arja Lehtinen 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: 20240108667
    Abstract: This invention relates to the use of bacterial strains for breaking down protein and increasing amino acid and peptide availability, wherein said bacterial strains are of the species Bifidobacterium animalis subsp. lactis, Lacticaseibacillus paracasei, Lactococcus lactis, Lactobacillus acidophilus, Lactiplantibacillus plantarum and/or Lacticaseibacillus rhamnosus or a mixture thereof.
    Type: Application
    Filed: December 13, 2021
    Publication date: April 4, 2024
    Inventors: Maija Emilia Marttinen, Markku Saarinen, Arja Laitila, Paivi Nurminen, Markus Lehtinen, Mehreen Anjum
  • Publication number: 20240108668
    Abstract: This invention relates to the use of bacterial strains for improving protein digestion and/or increasing amino acid bioavailability in a subject, wherein said bacterial strains are of the species Bifidobacterium animalis subsp. lactis, Lacticaseibacillus paracasei, Lactococcus lactis, Lactobacillus acidophilus, Lactiplantibacillus plantarum and/or Lacticaseibacillus rhamnosus or a mixture thereof.
    Type: Application
    Filed: December 13, 2021
    Publication date: April 4, 2024
    Inventors: Maija Emilia Marttinen, Markku Saarinen, Arja Laitila, Paivi Nurminen, Markus Lehtinen, Mehreen Anjum
  • Publication number: 20080139749
    Abstract: A multimodal copolymer of ethylene comprising at least (i) a lower molecular weight fraction of a copolymer of ethylene and at least one alpha-olefin comonomer and (ii) a higher molecular weight fraction of a copolymer of ethylene and at least one alpha-olefin comonomer, wherein said copolymer has a density below 920 kg/m3.
    Type: Application
    Filed: December 22, 2005
    Publication date: June 12, 2008
    Applicant: Borealis Technology Oy
    Inventors: Arja Lehtinen, Merete Skar, Jarmo Lindroos, Janne Maaranen, Markku Vahteri, Hans Eklind, Holger Poehler, Alexander Krajete
  • Use
    Publication number: 20070161739
    Abstract: Use of talc as a nucleating agent for linear low density polyethylene formed from ethylene and at least one C4-10 alpha-olefin comonomer, said polyethylene having a density below 940 g/cm3.
    Type: Application
    Filed: April 25, 2005
    Publication date: July 12, 2007
    Applicant: Borealis Technology OY
    Inventors: Irene Helland, Jorunn Nilsen, Ole Myhre, Auli Nummila-Pakarinen, Arja Lehtinen
  • Publication number: 20060177675
    Abstract: An extrusion coated substrate having a coating comprising a polyethylene produced by polymerization catalysed by a single site catalyst and comprising as comonomers to ethylene at least two C4-12 alpha olefins.
    Type: Application
    Filed: June 29, 2004
    Publication date: August 10, 2006
    Inventors: Arja Lehtinen, Auli Numilla-Pakarinen, Philipp Walter, Martii Vahala
  • Patent number: 7048882
    Abstract: This invention concerns a process for coating a substrate, and an extrusion coating structure. According to the present process, the coating is provided by producing a bimodal polyethylene composition by subjecting ethylene, optionally with hydrogen and/or comonomers to polymerization or copolymerization reactions in a multistage polymerization sequence of successive polymerization stages. The polymerization reactions are carried out in the presence of a single site catalyst capable of forming a composition which comprises a low molecular weight component with an MFR2 of 20 g/10 min or more and a density higher than the density of the composition, and a high molecular weight component, said composition having a melt flow rate MFR2 of 5 g/10 min or more and a density of 915–960 kg/m3. The composition is extruded on the substrate as such or by adding 10 wt-% or less, calculated from the total weight of the coating, of high pressure PE-LD by blending into the extrusion composition or by coextrusion.
    Type: Grant
    Filed: February 19, 2001
    Date of Patent: May 23, 2006
    Assignee: Borealis Technology Oy
    Inventors: Martti Vähälä, Hannu Salminen, Arja Lehtinen
  • Patent number: 7018710
    Abstract: A process for the preparation of a heat sealable film comprising a core layer and a sealing layer, said process comprising attaching said core layer to said sealing layer, said sealing layer comprising an ethylene copolymer composition in which: (1) there are two distinct maxima in the TREF fractogram of the ethylene copolymer composition; (2) at lest 10%, of the ethylene copolymer composition elutes in TREF at a temperature of less than 50° C.; (3) at least 25%, of the ethylene copolymer composition elutes in TREF at a temperature of higher than 75° C.; (4) none of the ethylene copolymer composition elutes in TREF at a temperature of higher than 100° C.
    Type: Grant
    Filed: June 29, 2001
    Date of Patent: March 28, 2006
    Assignee: Borealis Technology Oy
    Inventors: Kalle Kallio, Jari Äärilä , Merete Skar, Arja Lehtinen
  • Patent number: 6797886
    Abstract: An insulating composition for an electric power cable, and an electric power cable that includes a conductor surrounded by an inner semiconducting layer, an insulating layer, and an outer semiconducting layer, where the insulating layer consists of said insulating composition. The insulating composition is characterized in that the ethylene polymer is a multimodal ethylene copolymer obtained by coordination catalyzed polymerization of ethylene and at least one other alpha-olefin in at least one stage, said multimodal ethylene copolymer having a density of 0.890-0.940 g/cm3, a MFR2 of 0.1-10 g/10 min, a MWD of 3.5-8, a melting temperature of at most 125° C., and a comonomer distribution as measured by TREF, such that the fraction of copolymer eluted at a temperature higher than 90° C. does not exceed 10% by weight, and the multimodal ethylene copolymer includes an ethylene copolymer fraction selected from (a) a low molecular weight ethylene copolymer having a density of 0.900-0.
    Type: Grant
    Filed: March 28, 2002
    Date of Patent: September 28, 2004
    Assignee: Borealis Technology Oy
    Inventors: Bill Gustafsson, Annika Smedberg, Jari Aarila, Arja Lehtinen
  • Patent number: 6632884
    Abstract: This invention concerns process for producing polyethylene compositions, films prepared thereof and process for the preparation of the films. The process comprises subjecting ethylene, optionally hydrogen and comonomers to polymerization or copolymerization reactions in a multistage polymerization. At least one polymerization stage is conducted essentially in the absence of hydrogen. The polymerization reactions are carried out in the presence of a single-site catalyst capable of forming a composition comprising a low molecular weight component with MFR2 of at least 10 g/10 min and a density higher than the density of the composition and a high molecular weight component. The melt flow rate of the composition is in the range MFR2=0.1-5.0 g/10 min and the density of the composition is 915-960 kg/m3. The invention makes it possible to produce polyethylene compositions for manufacturing films with a good balance between optical and mechanical properties.
    Type: Grant
    Filed: October 1, 2001
    Date of Patent: October 14, 2003
    Assignee: Borealis Technology Oy
    Inventors: Merete Skar, Ole Jan Myhre, Arja Lehtinen, Harri Hokkanen, Hilkka Knuuttila, Kalle Kallio, Esa Kinnunen, Eija Lappi
  • Publication number: 20030171501
    Abstract: A process for the preparation of a heat sealable film comprising a core layer and a sealing layer, said process comprising attaching said core layer to said sealing layer, said sealing layer comprising an ethylene copolymer composition in which: (1) there are two distinct maxima in the TREF fractogram of the ethylene copolymer composition; (2) at lest 10%, of the ethylene copolymer composition elutes in TREF at a temperature of less than 50° C.; (3) at least 25%, of the ethylene copolymer composition elutes in TREF at a temperature of higher than 75° C.; (4) none of the ethylene copolymer composition elutes in TREF at a temperature of higher than 100° C.
    Type: Application
    Filed: May 7, 2003
    Publication date: September 11, 2003
    Inventors: Kalle Kallio, Jari Aarila, Merete Skar, Arja Lehtinen
  • Publication number: 20030042658
    Abstract: This invention concerns a process for coating a substrate, and an extrusion coatig structure. According to the present process, the coating is provided by producing a bimodal polyethylene composition by subjecting ethylene, optionally with hydrogen and/or comonomers to polymerization or copolymerization reactions in a multistage polymerization sequence of successive polymerization stages. The polymerization reactions are carried out in the presence of a single site catalyst capable of forming a composition which comprises a low molecular weight component with an MFR2 of 20 g/10 min or more and a density higher than the density of the composition, and a high molecular weight component, said composition having a melt flow rate MFR2 of 5 g/10 min or more and a density of 915-960 kg/m3. The composition is extruded on the substrate as such or by adding 10 wt-% or less, calculated from the total weight of the coating, of high pressure PE-LD by blending into the extrusion composition or by coextrusion.
    Type: Application
    Filed: September 30, 2002
    Publication date: March 6, 2003
    Inventors: Martti Vahala, Hannu Salminen, Arja Lehtinen
  • Patent number: 6441096
    Abstract: A multimodal polymer composition for pipes is disclosed as well as a pipes made thereof. The polymer is a multimodal polyethylene with a density of 0.930-0.965 g/cm3, and a viscosity at a shear stress of 747 Pa (&eegr;747 Pa) of at least 650 Pa.s, said multimodal polyethylene comprising a low molecular weight (LMW) ethylene homopolymer fraction and a high molecular weight (HMW) ethylene copolymer fraction, said HMW fraction having a weight ratio of the LMW fraction to the HMW fraction of (35-55):(65-45). Preferably, the multimodal polyethylene has a viscosity at a shear stress of 2.7 kPa (&eegr;2.7 kPa) of 260-450 kPa.s; and a shear thinning index (SHI) defined as the ratio of the viscosities at shear stresses of 2.7 and 210 kPa, respectively, of SHI27/210=50-150, and a storage modulus (G′) at a loss modulus (G″) of 5 kPa, of G′5 kPa≧3000 Pa. The pipe is made of the multimodal polymer composition and withstands a stress of 8.0 MPa gauge during 50 years at 20° C. (MRS8.0).
    Type: Grant
    Filed: April 10, 2001
    Date of Patent: August 27, 2002
    Assignee: Borealis Technology Oy
    Inventors: Mats Bäckman, Eeva-Leena Heino, Solveig Johansson, Jussi Laurell, Arja Lehtinen, Jarmo Lindroos, Marja Ora, Elisabeth Ribarits, Teija Sihvonen, Jari {umlaut over (Aa)}rilä
  • Publication number: 20020045711
    Abstract: A multimodal polymer composition for pipes is disclosed as well as a pipes made thereof. The polymer is a multimodal polyethylene with a density of 0.930-0.965 g/cm3, and a viscosity at a shear stress of 747 Pa (&eegr;747Pa) of at least 650 Pa.s, said multimodal polyethylene comprising a low molecular weight (LMW) ethylene homopolymer fraction and a high molecular weight (HMW) ethylene copolymer fraction, said HMW fraction having a weight ratio of the LMW fraction to the HMW fraction of (35-55):(65-45). Preferably, the multimodal polyethylene has a viscosity at a shear stress of 2.7 kPa (&eegr;2.7 kPa ) of 260-450 kPa.s; and a shear thinning index (SHI) defined as the ratio of the viscosities at shear stresses of 2.7 and 210 kPa, respectively, of SHI2 7/210=50-150, and a storage modulus (G′) at a loss modulus (G″) of 5 kPa, of G′5 kPa≧3000 Pa. The pipe is made of the multimodal polymer composition and withstands a stress of 8.0 MPa gauge during 50 years at 20° C. (MRS8.0).
    Type: Application
    Filed: April 10, 2001
    Publication date: April 18, 2002
    Inventors: Mats Backman, Eeva-Leena Heino, Solveig Johansson, Jussi Laurell, Arja Lehtinen, Jarmo Lindroos, Marja Ora, Elisabeth Ribarits, Teija Sihvonen, Jari Aarila