Patents by Inventor Vladimir A. Grigoriev

Vladimir A. Grigoriev 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: 11066546
    Abstract: A cationic glyoxylated polyacrylamide polymer composition having improved storage stability for use in manufacture of paper, board or the like, which aqueous composition includes a glyoxylated polyacrylamide polymer having a cationic charge density in a range of 0.8-1.8 meq/g of dry polymer in dry content of 5-15% and a buffering acid. The aqueous composition has pH in a range of 2.2-4.0 and a viscosity of less than 80 mPas measured at 25° C. by using a Brookfield viscometer after 30 days storage at 35° C. or after 60 days storage at 23° C.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: July 20, 2021
    Assignee: Kemira Oyj
    Inventors: Asko Karppi, Matti Hietaniemi, Martina Halinen, Salla Timperi, Vladimir Grigoriev, Mikko Virtanen
  • Patent number: 11067495
    Abstract: Embodiments of the present disclosure relate to arrangements for simulating creping of tissue and methods for simulating creping of tissue.
    Type: Grant
    Filed: November 17, 2015
    Date of Patent: July 20, 2021
    Inventors: Henry Skoog, Pyry Hämäläinen, Vladimir Grigoriev
  • Patent number: 10624986
    Abstract: In various exemplary embodiments described herein, an absorbent structure (e.g., a paper material) having an applied absorbent material (e.g., an absorbent film) may be formed by treating a fiber (e.g., a cellulosic fiber) with an applied absorbent material forming system (also referred to as a “film forming system”), absorbent materials, compositions, methods of making absorbent materials, and the like.
    Type: Grant
    Filed: September 5, 2013
    Date of Patent: April 21, 2020
    Assignee: KEMIRA OYJ
    Inventors: Chen Lu, Vladimir Grigoriev, Scott Rosencrance, Henry Skoog
  • Publication number: 20200079950
    Abstract: A cationic glyoxylated polyacrylamide polymer composition having improved storage stability for use in manufacture of paper, board or the like, which aqueous composition includes a glyoxylated polyacrylamide polymer having a cationic charge density in a range of 0.8-1.8 meq/g of dry polymer in dry content of 5-15% and a buffering acid. The aqueous composition has pH in a range of 2.2-4.0 and a viscosity of less than 80 mPas measured at 25° C. by using a Brookfield viscometer after 30 days storage at 35° C. or after 60 days storage at 23° C.
    Type: Application
    Filed: July 5, 2017
    Publication date: March 12, 2020
    Applicant: Kemira Oyj
    Inventors: Asko KARPPI, Matti HIETANIEMI, Martina HALINEN, Salla Timperi, Vladimir GRIGORIEV, Mikko VIRTANEN
  • Patent number: 10407831
    Abstract: The invention relates to a composition for sizing of a surface of paper, board or the like and its use for increasing strength properties of paper, board or the like. The composition has a solids content of 3-30%, and it comprises degraded non-ionic starch, and at least 0.5 weight-% of anionic polyacrylamide, which has a molecular weight, MW, >500 000 g/mol and <2 500 000 g/mol and an anionicity in the range of 4-35 mol-%. The invention further relates also to a method for producing paper, board or the like, which comprises addition of a first strength composition, which comprises a cationic agent, to a fiber stock, formation of a fibrous web from the fiber stock, drying of the fibrous web to dryness of at least 60%, and application of a second strength composition, which comprises an anionic hydrophilic polymer and a starch component, on the surface of the fibrous web.
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: September 10, 2019
    Assignee: Kemira Oyj
    Inventors: Matti Hietaniemi, Jan-Luiken Hemmes, Vladimir Grigoriev, Asko Karppi
  • Patent number: 10196779
    Abstract: Paper strength systems including polyamine-polyamidoamine-epihalohydrin (PPAE) resin are disclosed. Also disclosed are methods of forming a paper including applying a strength system comprising PPAE to cellulosic fiber, as well as the resultant paper.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: February 5, 2019
    Assignee: KEMIRA OYJ
    Inventors: Scott Rosencrance, Vladimir Grigoriev, Chen Lu
  • Patent number: 9797094
    Abstract: Exemplary embodiments of the present disclosure include paper, methods of making paper, and the like.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: October 24, 2017
    Assignee: KEMIRA OY J
    Inventors: Yuping Luo, Vladimir Grigoriev, Chen Lu, Scott Rosencrance
  • Publication number: 20170284028
    Abstract: The invention relates to a composition for sizing of a surface of paper, board or the like and its use for increasing strength properties of paper, board or the like. The composition has a solids content of 3-30%, and it comprises degraded non-ion is starch, and at least 0.5 weight-% of anionic polyacrylamide, which has a molecular weight, MW, >500 000 g/mol and <2 500 000 g/mol and an anionicity in the range of 4-35 mol-%. The invention further relates also to a method for producing paper, board or the like, which comprises addition of a first strength composition, which comprises a cationic agent, to a fibre stock, formation of a fibrous web from the fibre stock, drying of the fibrous web to dryness of at least 60%, and application of a second strength com position, which comprises an anionic hydrophilic polymer and a starch component, on the surface of the fibrous web.
    Type: Application
    Filed: September 4, 2015
    Publication date: October 5, 2017
    Applicant: Kemira Oyj
    Inventors: Matti HIETANIEMI, Jan-Luiken HEMMES, Vladimir GRIGORIEV, Asko KARPPI
  • Patent number: 9777434
    Abstract: Paper strength systems including polyamine-polyamidoamine-epihalohydrin (PPAE) resin are disclosed. Also disclosed are methods of forming a paper including applying a strength system comprising PPAE to cellulosic fiber, as well as the resultant paper.
    Type: Grant
    Filed: December 22, 2011
    Date of Patent: October 3, 2017
    Assignee: KEMIRA DYJ
    Inventors: Scott Rosencrance, Vladimir Grigoriev, Chen Lu
  • Publication number: 20170089011
    Abstract: Paper strength systems including polyamine-polyamidoamine-epihalohydrin (PPAE) resin are disclosed. Also disclosed are methods of forming a paper including applying a strength system comprising PPAE to cellulosic fiber, as well as the resultant paper.
    Type: Application
    Filed: November 28, 2016
    Publication date: March 30, 2017
    Inventors: Scott Rosencrance, Vladimir Grigoriev, Chen Lu
  • Patent number: 9574119
    Abstract: This invention is method of producing a creping cylinder adhesive comprising: contacting a dry form PVOH with a liquid form PVA at a temperature of less than 80° C., maintaining the PVOH and PVA at a temperature of between 90-95° C. until the PVOH is completely dissolved into a medium, and allowing the medium to cool to below 80° C.
    Type: Grant
    Filed: February 8, 2016
    Date of Patent: February 21, 2017
    Assignee: Nalco Company
    Inventors: Gary S. Furman, Jr., Mingli Wei, Christopher D. Kaley, David J. Castro, Vladimir A. Grigoriev
  • Patent number: 9562326
    Abstract: One or more embodiments include paper, methods of making paper, compositions, and the like, are provided. In various exemplary embodiments described herein, a paper material may be formed by treating a cellulosic fiber or an aqueous pulp slurry, with a strength including a polyamine resin.
    Type: Grant
    Filed: March 13, 2014
    Date of Patent: February 7, 2017
    Assignee: KEMIRA OYJ
    Inventors: Chen Lu, Scott Rosencrance, Vladimir Grigoriev
  • Publication number: 20160281300
    Abstract: One or more embodiments include paper, methods of making paper, compositions, and the like, are provided. In various exemplary embodiments described herein, a paper material may be formed by treating a cellulosic fiber or an aqueous pulp slurry, with a strength including a polyamine resin.
    Type: Application
    Filed: March 13, 2014
    Publication date: September 29, 2016
    Inventors: Chen Lu, Scott Rosencrance, Vladimir Grigoriev
  • Publication number: 20160153146
    Abstract: Exemplary embodiments of the present disclosure include paper, methods of making paper, and the like.
    Type: Application
    Filed: September 26, 2012
    Publication date: June 2, 2016
    Inventors: YUPING LUO, VLADIMIR GRIGORIEV, CHEN LU, SCOTT ROSENCRANCE
  • Publication number: 20160152878
    Abstract: This invention is method of producing a creping cylinder adhesive comprising: contacting a dry form PVOH with a liquid form PVA at a temperature of less than 80° C., maintaining the PVOH and PVA at a temperature of between 90-95° C. until the PVOH is completely dissolved into a medium, and allowing the medium to cool to below 80° C.
    Type: Application
    Filed: February 8, 2016
    Publication date: June 2, 2016
    Applicant: NALCO COMPANY
    Inventors: GARY S. FURMAN, JR., MINGLI WEI, CHRISTOPHER D. KALEY, DAVID J. CASTRO, VLADIMIR A. GRIGORIEV
  • Publication number: 20160069790
    Abstract: Embodiments of the present disclosure relate to arrangements for simulating creping of tissue and methods for simulating creping of tissue.
    Type: Application
    Filed: November 17, 2015
    Publication date: March 10, 2016
    Inventors: Henry SKOOG, Pyry HÄMÄLÄINEN, Vladimir GRIGORIEV
  • Patent number: 9266301
    Abstract: This invention is method of creping a paper web comprising a) applying to a rotating creping cylinder an adhesive composition having a pH of about 6.5 to about 8 and comprising one or more vinylamine/N-vinyl formamide polymers composed of about 10 to about 99 mole percent vinylamine monomer and about 90 to about 1 mole percent N-vinylformamide monomer; b) pressing the paper web against the creping cylinder to effect adhesion of the paper web to the creping cylinder; and c) dislodging the paper web from the creping cylinder with a doctor blade.
    Type: Grant
    Filed: October 22, 2012
    Date of Patent: February 23, 2016
    Assignee: NALCO COMPANY
    Inventors: Gary S. Furman, Mingli Wei, Winston Su, Christopher D. Kaley, David J. Castro, Vladimir Grigoriev
  • Patent number: 9254504
    Abstract: The invention relates to an arrangement for simulating creping of tissue. The arrangement comprises a sled with a test surface, which sled is arranged to travel along a linear path; heating means for heating the test surface; a spray unit with at least one spray nozzle, the spray unit being arranged along the linear path of the sled and the at least one spray nozzle being arranged to spray a chemical on the test surface; a creping unit comprising a creping blade, the creping unit arranged along the linear path of the sled after the spray unit and the creping blade arranged to pass over the test surface when the sled passes the creping unit; and measurement means for measuring data related to force between the creping blade and the test surface. The invention relates also to a method for simulating creping of tissue.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: February 9, 2016
    Assignee: KEMIRA OYJ
    Inventors: Henry Skoog, Pyry Hämäläinen, Vladimir Grigoriev
  • Patent number: 9212453
    Abstract: Exemplary embodiments of the present disclosure include paper, methods of making paper, and the like.
    Type: Grant
    Filed: September 26, 2012
    Date of Patent: December 15, 2015
    Inventors: Yuping Luo, Vladimir Grigoriev, Chen Lu, Scott Rosencrance
  • Patent number: 9182271
    Abstract: Described herein are quartz crystal microbalance (QCM) and quartz crystal microbalance with dissipation (QCMD) techniques that can be used for measuring characteristics of a creping adhesive film similar to the creping adhesive film that is formed on a Yankee dryer during the tissue and towel manufacturing process. In addition, exemplary embodiments described herein may use these techniques to predict performance of creping aids utilized to form a creping adhesive film.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: November 10, 2015
    Assignee: KEMIRA OYJ
    Inventors: Vladimir Grigoriev, Danny Nguyen, Scott Rosencrance, Chen Lu