Patents by Inventor Tom Lundin

Tom Lundin 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).

  • Method for producing paper, board or the like
    Patent number: 11162221
    Abstract: The invention relates to a method for producing paper, board or the like. The method comprises obtaining a fibre stock comprising lignocellulosic fibres and adding a retention agent system comprising a cationic synthetic polymer to the fibre stock and forming a fibrous web from the fibre stock and drying the web. Microfibrillated non-wood cellulose is added to the fibre stock as a component of the retention agent system and sequentially with the cationic synthetic polymer.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: November 2, 2021
    Assignee: Kemira Oyj
    Inventors: Tom Lundin, Kaisa Karisalmi, Heikki Sojakka
  • Method for producing paper, board or the like
    Patent number: 11131062
    Abstract: The invention relates to a method for producing paper, board or the like. The method comprises obtaining a thick stock comprising cellulose fibres, forming a fibrous web and drying of drying the fibrous web. A strength agent system, which comprises at least one synthetic or natural polymer, or their mixture, and microfibrillated parenchymal cellulose material originating from non-wood sources, is added to the thick stock. The invention relates also to paper or board produced by the method.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: September 28, 2021
    Assignee: Kemira Oyj
    Inventors: Kaisa Karisalmi, Tom Lundin, Mikko Virtanen, Antti Laukkanen, Jason McKee
  • Process for producing microfibrillated cellulose and a product thereof
    Patent number: 10883226
    Abstract: The present invention relates to a method of producing microfibrillated cellu-lose (MFC) comprising (i) providing cellulosic material, (ii) drying the cellulosic material so that specific surface area (SSA), when measured with BET-method, is at most 10 m2/g, and (iii) subjecting the dried cellulosic material to mechanical treatment. The present invention additionally relates to microfibril-lated cellulose produced with the method of the present invention.
    Type: Grant
    Filed: December 22, 2016
    Date of Patent: January 5, 2021
    Assignee: Kemira Oyj
    Inventors: Kari Vanhatalo, Tom Lundin, Marcus Lillandt
  • Method for producing paper, board or the like
    Publication number: 20200347552
    Abstract: The invention relates to a method for producing paper, board or the like. The method comprises obtaining a thick stock comprising cellulose fibres, forming a fibrous web and drying of drying the fibrous web. A strength agent system, which comprises at least one synthetic or natural polymer, or their mixture, and microfibrillated parenchymal cellulose material originating from non-wood sources, is added to the thick stock. The invention relates also to paper or board produced by the method.
    Type: Application
    Filed: July 16, 2020
    Publication date: November 5, 2020
    Applicant: Kemira Oyj
    Inventors: KAISA KARISALMI, Tom Lundin, Mikko Virtanen, Antti Laukkanen, Jason McKee
  • Method for producing paper, board or the like
    Patent number: 10767312
    Abstract: The invention relates to a method for producing paper, board or the like. The method comprises obtaining a thick stock comprising cellulose fibres, forming a fibrous web and drying of drying the fibrous web. A strength agent system, which comprises at least one synthetic or natural polymer, or their mixture, and microfibrillated parenchymal cellulose material originating from non-wood sources, is added to the thick stock. The invention relates also to paper or board produced by the method.
    Type: Grant
    Filed: December 15, 2016
    Date of Patent: September 8, 2020
    Assignee: Kemira Oyj
    Inventors: Kaisa Karisalmi, Tom Lundin, Mikko Virtanen, Antti Laukkanen, Jason McKee
  • Method for producing paper, board or the like
    Publication number: 20200141061
    Abstract: The invention relates to a method for producing paper, board or the like. The method comprises obtaining a fibre stock comprising lignocellulosic fibres and adding a retention agent system comprising a cationic synthetic polymer to the fibre stock and forming a fibrous web from the fibre stock and drying the web. Microfibrillated non-wood cellulose is added to the fibre stock as a component of the retention agent system and sequentially with the cationic synthetic polymer.
    Type: Application
    Filed: March 29, 2018
    Publication date: May 7, 2020
    Applicant: Kemira Oyj
    Inventors: Tom Lundin, Kaisa Karisalmi, Heikki Sojakka
  • Method for producing interpenetrating polymer network material, a product thereof and use of the product
    Patent number: 10590607
    Abstract: The present invention relates to an interpenetrating polymer network (IPN) material comprising microcrystalline cellulose (MCC), microfib-rillated cellulose (MFC) or a mixture thereof, and at least one polymer forming an IPN together with the MCC, MFC or mixture thereof. The present invention further relates to a process for producing the IPN material, and to use of the IPN material in paper industry.
    Type: Grant
    Filed: December 3, 2015
    Date of Patent: March 17, 2020
    Assignee: Kemira Oyj
    Inventors: Rosa Carceller, Tom Lundin, Matti Hietaniemi
  • Method for producing paper, board or the like
    Publication number: 20190309476
    Abstract: The invention relates to a method for producing paper, board or the like. The method comprises obtaining a thick stock comprising cellulose fibres, forming a fibrous web and drying of drying the fibrous web. A strength agent system, which comprises at least one synthetic or natural polymer, or their mixture, and microfibrillated parenchymal cellulose material originating from non-wood sources, is added to the thick stock. The invention relates also to paper or board produced by the method.
    Type: Application
    Filed: December 15, 2016
    Publication date: October 10, 2019
    Applicant: Kemira Oyj
    Inventors: Kaisa Karisalmi, Tom Lundin, Mikko Virtanen, Antti Laukkanen, Jason McKee
  • A process for producing microfibrillated cellulose and a product thereof
    Publication number: 20190040581
    Abstract: The present invention relates to a method of producing microfibrillated cellu-lose (MFC) comprising (i) providing cellulosic material, (ii) drying the cellulosic material so that specific surface area (SSA), when measured with BET-method, is at most 10 m2/g, and (iii) subjecting the dried cellulosic material to mechanical treatment. The present invention additionally relates to microfibril-lated cellulose produced with the method of the present invention.
    Type: Application
    Filed: December 22, 2016
    Publication date: February 7, 2019
    Applicant: Kemira Oyj
    Inventors: Kari Vanhatalo, Tom Lundin, Marcus Lillandt
  • A method for producing interpenetrating polymer network material, a product thereof and use of the product
    Publication number: 20180023253
    Abstract: The present invention relates to an interpenetrating polymer network (IPN) material comprising microcrystalline cellulose (MCC), microfib-rillated cellulose (MFC) or a mixture thereof, and at least one polymer forming an IPN together with the MCC, MFC or mixture thereof. The present invention further relates to a process for producing the IPN material, and to use of the IPN material in paper industry.
    Type: Application
    Filed: December 3, 2015
    Publication date: January 25, 2018
    Applicant: Kemira Oyj
    Inventors: Rosa Carceller, Tom Lundin, Matti Hietaniemi
  • Method for producing a suspension of microfibrillated cellulose, microfibrillated cellulose and its use
    Publication number: 20170183555
    Abstract: The invention relates a method for producing a suspension of microfibrillated cellulose. The method comprises at least the steps of obtaining an aqueous suspension of natural cellulose fibres, adding an additive consisting of at least one natural polymer to the suspension of natural cellulose fibres, and feeding the obtained mixture comprising natural cellulose fibres and the additive into a homogenizer or a fluidizer. The invention relates also to a microfibrillated cellulose obtained by the method and its use.
    Type: Application
    Filed: April 28, 2015
    Publication date: June 29, 2017
    Applicant: Kemira Oyj
    Inventors: Marcus Lillandt, Tom Lundin