Patents by Inventor Antti Ojala

Antti Ojala 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: 10449694
    Abstract: The present invention concerns a process for producing a thermoformable porous web using a mixture of cellulosic fibers and one or more thermoplastic materials, particularly by foam forming said mixture into a composite foam, and applying the foam into one or more layers on a support to obtain a porous pre-form web. The thus produced porous composite web can be further processed by compression molding to give a rigid high-strength composite structure, which is suitable for use in producing, e.g. panels or plates, packages or hygiene products, insulators or filters, or printed intelligence, electronics or microcellulose products.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: October 22, 2019
    Assignee: Teknologian tutkimuskeskus VTT Oy
    Inventors: Antti Ojala, Kalle Nättinen, Lisa Wikström, Hannu Minkkinen, Petri Jetsu, Jani Lehmonen, Karita Kinnunen, Tuomo Hjelt
  • Publication number: 20190184621
    Abstract: A single-screw extruder (100), and a method. The extruder (100) comprises—a cylindrical rotor member (1) having diameter (D) and length (L) and comprising a feeding zone (14), —the rotor member (1) arranged in a barrel (2), —the cylindrical surface of the rotor member (1) carrying cavity/cavities and/or projection(s) (5) arranged in helically extending rows, —the helically extending row(s) of the rotor member (1) having a pitch (P) and depth (d) in the feeding zone (14) of the rotor member, and the extruder (100) further comprising a drive system (4) for the rotation of the rotor member (1) in the barrel (2). The relation of the depth (d) to the diameter (D) of the rotor member, i.e. d:D, is not more than 1:20, and the relation of the pitch (P) of the rotor member to the diameter (D) of the rotor member, i.e. P:D, is not more than 1:4.
    Type: Application
    Filed: August 25, 2017
    Publication date: June 20, 2019
    Inventors: Hannu MINKKINEN, Antti OJALA, Kirsi IMMONEN
  • Patent number: 9451772
    Abstract: The present invention relates to a novel crystalline modification of fipronil, to a process for the preparation of the same, to pesticidal and parasiticidal mixtures and compositions comprising said crystalline modification and to their use for combating pests and parasites.
    Type: Grant
    Filed: January 22, 2013
    Date of Patent: September 27, 2016
    Assignee: BASF SE
    Inventors: Heidi Emilia Saxell, Peter Erk, Claude Taranta, Thomas Kroehl, Gerhard Cox, Martin Sukopp, Stefan Scherer, Antti Ojala, Gautam R. Desiraju, Rahul Banerjee, Prashant M. Bhatt
  • Publication number: 20160229088
    Abstract: The present invention concerns a process for producing a thermoformable porous web using a mixture of cellulosic fibres and one or more thermoplastic materials, particularly by foam forming said mixture into a composite foam, and applying the foam into one or more layers on a support to obtain a porous pre-form web. The thus produced porous composite web can be further processed by compression moulding to give a rigid high-strength composite structure, which is suitable for use in producing, e.g. panels or plates, packages or hygiene products, insulators or filters, or printed intelligence, electronics or microcellulose products.
    Type: Application
    Filed: October 9, 2014
    Publication date: August 11, 2016
    Inventors: Antti Ojala, Kalle Nättinen, Lisa Wikström, Hannu Minkkinen, Petri Jetsu, Jani Lehmonen, Karita Kinnunnen, Tuomo Hjelt
  • Patent number: 9368729
    Abstract: The present invention relates to the use of mixtures which comprise, as components K1), one or more merocyanines selected from the group of the compounds of the general formulae Ia, Ib, Ic, Id, Ie, IIa and IIb, as defined in more detail in the description, as an electron donor or electron acceptor, and, as component K2), one or more compounds which, with respect to component K1), act correspondingly as an electron acceptor or electron donor, for producing photoactive layers for organic solar cells and organic photodetectors, to a process for producing photoactive layers, corresponding solar cells and organic photodetectors, and to mixtures which comprise, as components, one or more compounds of the general formulae Ia, Ib, Ic, Id, Ie, IIa and/or IIb of component K1, as defined in more detail in the description, and one or more compounds of component K2.
    Type: Grant
    Filed: October 11, 2010
    Date of Patent: June 14, 2016
    Assignee: BASF SE
    Inventors: Jae Hyung Hwang, Peter Erk, Helmut Reichelt, Ruediger Sens, Ingmar Bruder, Antti Ojala, Jan Schoeneboom, Frank Wuerthner, Hannah Buerckstuemmer, Elena Tulyakova, Klaus Meerholz, Vera Steinmann, Nils Kronenberg
  • Publication number: 20130137571
    Abstract: The present invention relates to a novel crystalline modification of fipronil, to a process for the preparation of the same, to pesticidal and parasiticidal mixtures and compositions comprising said crystalline modification and to their use for combating pests and parasites.
    Type: Application
    Filed: January 22, 2013
    Publication date: May 30, 2013
    Applicant: BASF SE
    Inventors: Heidi Emilia SAXELL, Peter ERK, Claude TARANTA, Thomas KROEHL, Gerhard COX, Martin SUKOPP, Stefan SCHERER, Antti OJALA, Gautam R. DESIRAJU, Rahul BANERJEE, Prashant M. BHATT
  • Patent number: 8383664
    Abstract: The present invention relates to a crystalline modification of fipronil, to a process for the preparation of the same, to pesticidal and parasiticidal mixtures and compositions comprising said crystalline modification and to their use for combating pests and parasites.
    Type: Grant
    Filed: November 5, 2007
    Date of Patent: February 26, 2013
    Assignee: BASF SE
    Inventors: Heidi Emilia Saxell, Peter Erk, Claude Taranta, Thomas Kröhl, Gerhard Cox, Martin Sukopp, Stefan Scherer, Antti Ojala, Gautam R. Desiraju, Rahul Banerjee, Prashant M. Bhatt
  • Publication number: 20120267579
    Abstract: The present invention relates to the use of mixtures which comprise, as components K1), one or more merocyanines selected from the group of the compounds of the general formulae Ia, Ib, Ic, Id, Ie, IIa and IIb, as defined in more detail in the description, as an electron donor or electron acceptor, and, as component K2), one or more compounds which, with respect to component K1), act correspondingly as an electron acceptor or electron donor, for producing photoactive layers for organic solar cells and organic photodetectors, to a process for producing photoactive layers, corresponding solar cells and organic photodetectors, and to mixtures which comprise, as components, one or more compounds of the general formulae Ia, Ib, Ic, Id, Ie, IIa and/or IIb of component K1, as defined in more detail in the description, and one or more compounds of component K2.
    Type: Application
    Filed: October 11, 2010
    Publication date: October 25, 2012
    Applicant: BASF SE
    Inventors: Jae Hyung Hwang, Peter Erk, Helmut Reichelt, Ruediger Sens, Ingmar Bruder, Antti OJala, Jan Schoeneboom, Frank Wuerthner, Hannah Buerckstuemmer, Elena Tulyakova, Klaus Meerholz, Vera Steinmann, Nils Kronenberg
  • Publication number: 20120068123
    Abstract: The present invention relates to organic solar cell comprising at least one photoactive region comprising an organic donor material in contact with an organic acceptor material and forming a donor-acceptor heterojunction, wherein the photoactive region comprises at least one compound of the formulae Ia and/or Ib where M, (Ra)m and (Rb)n as described in the claims and description. Furthermore, the present invention relates to compounds of formulae Ia and Ib, wherein M, (Ra)m and n are as described in the claims and description and Rb is fluorine and to a process for preparing them.
    Type: Application
    Filed: May 25, 2010
    Publication date: March 22, 2012
    Applicant: BASF SE
    Inventors: Sudhakar Sundarraj, Ingmar Bruder, Jae Hyung Hwang, Jan Schoeneboom, Martin Koenemann, Sheeja Bahulayan, Antti Ojala, Augustine Leow Yoon Wui, Peter Erk, Ruediger Sens, Thomas Gessner
  • Publication number: 20110256422
    Abstract: The present invention relates to the use of mixtures which comprise, as components K1), one or more merocyanines selected from the group of the compounds of the general formulae I, IIa, IIb, IIIa, IIIb, IIIc, IIId and IIIe, as defined in more detail in the description, as an electron donor or electron acceptor, and, as component K2), one or more compounds which, with respect to component K1), act correspondingly as an electron acceptor or electron donor, for producing photoactive layers for organic solar cells and organic photodetectors, to a process for producing photoactive layers, corresponding solar cells and organic photodetectors, and to mixtures which comprise, as components, one or more compounds of the general formulae I, IIa, IIb, IIIa, IIIb, IIIc, IIId and/or IIIe of component K1, as defined in more detail in the description, and one or more compounds of component K2.
    Type: Application
    Filed: October 30, 2009
    Publication date: October 20, 2011
    Applicant: BASF SE
    Inventors: Helmut Reichelt, Jae Hyung Hwang, Ruedinger Sens, Jan Schoeneboom, Peter Erk, Ingmar Bruder, Antti Ojala, Frank Wuerthner, Klaus Meerholz
  • Publication number: 20100081698
    Abstract: The present invention relates to a crystalline modification of fipronil, to a process for the preparation of the same, to pesticidal and parasiticidal mixtures and compositions comprising said crystalline modification and to their use for combating pests and parasites.
    Type: Application
    Filed: November 5, 2007
    Publication date: April 1, 2010
    Applicant: BASF SE
    Inventors: Heidi Emilia Saxell, Peter Erk, Claude Taranta, Thomas Kröhl, Gerhard Cox, Martin Sukopp, Stefan Scherer, Antti Ojala, Gautam R. Desiraju, Rahul Banerjee, Prashant M. Bhatt