Patents by Inventor Yuri YOKOTA

Yuri YOKOTA 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: 11795296
    Abstract: A particulate nucleating agent of the present invention is a particulate nucleating agent that contains a compound represented by a predetermined general formula, in which a content of phosphate ions in the particulate nucleating agent, which is obtained by a predetermined measurement procedure, is equal to or more than 5 ppm and equal to or less than 8,000 ppm based on a mass of the compound represented by the predetermined general formula.
    Type: Grant
    Filed: January 13, 2021
    Date of Patent: October 24, 2023
    Assignee: ADEKA CORPORATION
    Inventors: Wataru Sugiyama, Yuri Yokota
  • Patent number: 11795300
    Abstract: Provided are: an additive composition which has an excellent extruder feed stability as a result of having an excellent powder flowability, and can impart excellent transparency and mechanical properties to molded articles; a polyolefin resin composition containing the additive composition; a method of producing a polyolefin resin composition; and a molded article of the polyolefin resin composition. The additive composition contains (A) 1-[8-propyl-2,6-bis(4-propylphenyl)tetrahydro[1,3]dioxino[5,4-d]-1,3-dioxin-4-yl]ethane-1,2-diol and (B) an aromatic phosphate metal salt represented by Formula (1) where R1 to R4 each independently represent an alkyl group having 1 to 6 carbon atoms; n represents a number of 1 or 2; when n is 1, M1 represents an alkali metal; and when n is 2, M1 represents hydroxyaluminum. In this additive composition, the mass ratio of (A) and (B), (A)/(B), is in a range of 10/90 to 90/10.
    Type: Grant
    Filed: July 18, 2019
    Date of Patent: October 24, 2023
    Assignee: ADEKA CORPORATION
    Inventors: Ryo Yokoyama, Yuri Yokota
  • Publication number: 20230143936
    Abstract: Provided are: a composition that can impart a thermoplastic resin with excellent transparency and physical properties; a thermoplastic resin composition containing the same; and a molded article thereof. The composition contains: (A) a cyclic organophosphate aluminum salt represented by Formula (1) below, wherein R1 to R4 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 9 carbon atoms and R5 represents an alkylidene group having 1 to 4 carbon atoms; (B) a sodium carboxylate; and (C) a fatty acid metal salt represented by Formula (2) below, wherein R6 represents a group which is introduced to an aliphatic organic acid having 10 to 30 carbon atoms and M1 represents lithium or potassium, wherein the following ranges are satisfied in terms of molar ratio: (C)/(B)=0.30 to 5.00, and (A)/{(B)+(C)}=0.15 to 0.70.
    Type: Application
    Filed: January 4, 2023
    Publication date: May 11, 2023
    Applicant: ADEKA CORPORATION
    Inventors: Takuya FUKUDA, Yuri YOKOTA, Hiroaki MIZUSHIMA, Takahiro HORIKOSHI
  • Patent number: 11578188
    Abstract: Provided are: a composition that can impart a thermoplastic resin with excellent transparency and physical properties; a thermoplastic resin composition containing the same; and a molded article thereof. The composition contains: (A) a cyclic organophosphate aluminum salt represented by Formula (1) below, wherein R1 to R4 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 9 carbon atoms and R5 represents an alkylidene group having 1 to 4 carbon atoms; (B) a sodium carboxylate; and (C) a fatty acid metal salt represented by Formula (2) below, wherein R6 represents a group which is introduced to an aliphatic organic acid having 10 to 30 carbon atoms and M1 represents lithium or potassium, wherein the following ranges are satisfied in terms of molar ratio:(C)/(B)=0.30 to 5.00, and (A)/{(B)+(C)}=0.15 to 0.70.
    Type: Grant
    Filed: August 30, 2018
    Date of Patent: February 14, 2023
    Assignee: ADEKA CORPORATION
    Inventors: Takuya Fukuda, Yuri Yokota, Hiroaki Mizushima, Takahiro Horikoshi
  • Patent number: 11485911
    Abstract: A flame retardant composition according to the present invention is a phosphate-based flame retardant including a (poly)phosphate, in which F and N satisfy 8.0×10?4?F/N?20.0 and F?21.0, assuming that F (ppm) is a content of elemental iron and N (ppm) is a content of elemental sodium in the flame retardant composition as measured in accordance with the following procedure.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: November 1, 2022
    Assignee: ADEKA CORPORATION
    Inventors: Michio Nakamura, Genta Kokura, Kohei Omori, Yuri Yokota, Yutaka Yonezawa
  • Publication number: 20220289941
    Abstract: A particulate nucleating agent of the present invention is a particulate nucleating agent that contains a compound represented by a predetermined general formula, in which a content of phosphate ions in the particulate nucleating agent, which is obtained by a predetermined measurement procedure, is equal to or more than 5 ppm and equal to or less than 8,000 ppm based on a mass of the compound represented by the predetermined general formula.
    Type: Application
    Filed: January 13, 2021
    Publication date: September 15, 2022
    Applicant: ADEKA CORPORATION
    Inventors: Wataru SUGIYAMA, Yuri YOKOTA
  • Publication number: 20220220386
    Abstract: A flame retardant composition according to the present invention is a phosphate-based flame retardant including a (poly)phosphate, in which F and N satisfy 8.0×10?4?F/N?20.0 and F?21.0, assuming that F (ppm) is a content of elemental iron and N (ppm) is a content of elemental sodium in the flame retardant composition as measured in accordance with the following procedure.
    Type: Application
    Filed: July 16, 2020
    Publication date: July 14, 2022
    Applicant: ADEKA CORPORATION
    Inventors: Michio NAKAMURA, Genta KOKURA, Kohei OMORI, Yuri YOKOTA, Yutaka YONEZAWA
  • Publication number: 20220204724
    Abstract: Provided are: a nucleating agent capable of simultaneously improving the thermal stability and the transparency of a polyolefin resin; a polyolefin-based resin composition containing the same; and a molded article of the composition. The nucleating agent contains a compound represented by Formula (1) below where R1 to R4 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 9 carbon atoms; R5 represents an alkanediyl group having 1 to 4 carbon atoms; and M represents a hydrogen atom or a sodium atom. In this nucleating agent, the mass ratio of phosphorus atoms and sodium atoms, P/Na, is in a range of 1.200 to 1.500.
    Type: Application
    Filed: March 15, 2022
    Publication date: June 30, 2022
    Applicant: ADEKA CORPORATION
    Inventors: Takuya FUKUDA, Hiroaki MIZUSHIMA, Yuri YOKOTA
  • Publication number: 20220119559
    Abstract: Provided are: a nucleating agent composition, which can impart excellent crystallinity to an olefin-based resin and with which a molded article having excellent mechanical properties and transparency can be obtained; an olefin-based resin composition; a molded article of the same; and a method of producing an olefin-based resin composition. The nucleating agent composition contains a nucleating agent and an auxiliary agent.
    Type: Application
    Filed: January 21, 2020
    Publication date: April 21, 2022
    Applicant: ADEKA CORPORATION
    Inventors: Hiroaki MIZUSHIMA, Takuya FUKUDA, Yuri YOKOTA
  • Patent number: 11306194
    Abstract: Provided are: a nucleating agent capable of simultaneously improving the thermal stability and the transparency of a polyolefin resin; a polyolefin-based resin composition containing the same; and a molded article of the composition. The nucleating agent contains a compound represented by Formula (1) below where R1 to R4 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 9 carbon atoms; R5 represents an alkanediyl group having 1 to 4 carbon atoms; and M represents a hydrogen atom or a sodium atom. In this nucleating agent, the mass ratio of phosphorus atoms and sodium atoms, P/Na, is in a range of 1.200 to 1.500.
    Type: Grant
    Filed: February 4, 2019
    Date of Patent: April 19, 2022
    Assignee: ADEKA CORPORATION
    Inventors: Takuya Fukuda, Hiroaki Mizushima, Yuri Yokota
  • Patent number: 11130851
    Abstract: A particulate nucleating agent is provided and includes an aromatic phosphate ester metal salt represented by a predetermined formula, where the following is satisfied: a maximum particle diameter of the particulate nucleating agent is denoted by Dmax and a degree of dispersion of the particulate nucleating agent is denoted by Dp, 80 ?m?Dmax?300 ?m and 1.0%?Dp?27.0%.
    Type: Grant
    Filed: February 7, 2019
    Date of Patent: September 28, 2021
    Assignee: ADEKA CORPORATION
    Inventors: Takahiro Horikoshi, Yuri Yokota
  • Publication number: 20210246374
    Abstract: Provided are: a phosphate amine salt composition which can be used as a flame retardant that is capable of imparting excellent flame retardancy and weather resistance to synthetic resins without a risk of corroding a processing machine; a phosphate amine salt flame retardant composition; a flame-retardant synthetic resin composition containing the same; and a molded article thereof. The phosphate amine salt composition contains at least one phosphate amine salt, and the ammonium cation content therein is 100 to 2,000 ppm by mass. An amine in the phosphate amine salt composition is preferably melamine or piperazine.
    Type: Application
    Filed: June 12, 2019
    Publication date: August 12, 2021
    Applicant: ADEKA CORPORATION
    Inventors: Michio NAKAMURA, Yutaka YONEZAWA, Yuri YOKOTA, Kohei OMORI, Genta KOKURA
  • Publication number: 20210246373
    Abstract: Provided are: a polyphosphate amine salt composition which does not foam during processing, has excellent workability and excellent weather resistance, and can impart excellent flame retardancy to synthetic resins; a polyphosphate amine salt flame retardant composition; a flame-retardant synthetic resin composition containing the same; and a molded article thereof. The polyphosphate amine salt composition contains an orthophosphate amine salt and a polyphosphate amine salt, and the orthophosphate amine salt is contained in an amount of 0.1 to 6.0% by mass. An amine in the polyphosphate amine salt composition is preferably melamine or piperazine.
    Type: Application
    Filed: June 12, 2019
    Publication date: August 12, 2021
    Applicant: ADEKA CORPORATION
    Inventors: Genta KOKURA, Yutaka YONEZAWA, Tomomasa TEZUKA, Michio NAKAMURA, Yuri YOKOTA, Kohei OMORI
  • Publication number: 20210214525
    Abstract: Provided are: an additive composition which has an excellent extruder feed stability as a result of having an excellent powder flowability, and can impart excellent transparency and mechanical properties to molded articles; a polyolefin resin composition containing the additive composition; a method of producing a polyolefin resin composition; and a molded article of the polyolefin resin composition. The additive composition contains (A) 1-[8-propyl-2,6-bis(4-propylphenyl)tetrahydro[1,3]dioxino[5,4-d]-1,3-dioxin-4-yl]ethane-1,2-diol and (B) an aromatic phosphate metal salt represented by Formula (1) where R1 to R4 each independently represent an alkyl group having 1 to 6 carbon atoms; n represents a number of 1 or 2; when n is 1, M1 represents an alkali metal; and when n is 2, M1 represents hydroxyaluminum. In this additive composition, the mass ratio of (A) and (B), (A)/(B), is in a range of 10/90 to 90/10.
    Type: Application
    Filed: July 18, 2019
    Publication date: July 15, 2021
    Applicant: ADEKA CORPORATION
    Inventors: Ryo YOKOYAMA, Yuri YOKOTA
  • Patent number: 10982072
    Abstract: A particulate nucleating agent of the present invention is a particulate nucleating agent including a predetermined aromatic phosphate metal salt, in which a content of aliphatic amine is equal to or more than 3 ppm and equal to or less than 190 ppm based on a mass of the entirety of the particulate nucleating agent.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: April 20, 2021
    Assignee: ADEKA CORPORATION
    Inventors: Takuya Fukuda, Yuri Yokota
  • Publication number: 20210047498
    Abstract: Provided are: a nucleating agent capable of simultaneously improving the thermal stability and the transparency of a polyolefin resin; a polyolefin-based resin composition containing the same; and a molded article of the composition. The nucleating agent contains a compound represented by Formula (1) below where R1 to R4 each independently represent a hydrogen atom or a linear or branched alkyl group having 1 to 9 carbon atoms; R5 represents an alkanediyl group having 1 to 4 carbon atoms; and M represents a hydrogen atom or a sodium atom. In this nucleating agent, the mass ratio of phosphorus atoms and sodium atoms, P/Na, is in a range of 1.200 to 1.500.
    Type: Application
    Filed: February 4, 2019
    Publication date: February 18, 2021
    Applicant: ADEKA CORPORATION
    Inventors: Takuya FUKUDA, Hiroaki MIZUSHIMA, Yuri YOKOTA
  • Publication number: 20210032436
    Abstract: A particulate nucleating agent provided and includes an aromatic phosphate ester metal salt represented by a predetermined formula, where the following is satisfied: a maximum particle diameter of the particulate nucleating agent is denoted by Dmax and a degree of dispersion of the particulate nucleating agent is denoted by Dp, 80 ?m?Dmax?300 ?m and 1.0% Dp?27.0%.
    Type: Application
    Filed: February 7, 2019
    Publication date: February 4, 2021
    Applicant: ADEKA CORPORATION
    Inventors: Takahiro HORIKOSHI, Yuri YOKOTA
  • Patent number: 10882974
    Abstract: A particulate nucleating agent of the present invention is a particulate nucleating agent containing an aromatic phosphoric acid ester metallic salt represented by a predetermined expression, in which a range WA of a particle size distribution before packed treatment and a range WB of the particle size distribution after packed treatment satisfy an expression: 0.3?WA/WB?13.5.
    Type: Grant
    Filed: October 9, 2018
    Date of Patent: January 5, 2021
    Assignee: ADEKA CORPORATION
    Inventors: Takuya Fukuda, Yuri Yokota
  • Patent number: 10800800
    Abstract: Provided are: a composition capable of imparting excellent transparency and physical properties to thermoplastic resins; a thermoplastic resin composition containing the composition; and a molded article of the thermoplastic resin composition. The composition contains the following (A), (B), (C) and (D), and ratios of respective components with respect to a total amount of (A) to (D) are: (A) 35 to 75% by mass, (B) 10 to 40% by mass, (C) 0 to 20% by mass, and (D) 5 to 35% by mass.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: October 13, 2020
    Assignee: ADEKA CORPORATION
    Inventors: Takuya Fukuda, Yuri Yokota
  • Publication number: 20200283460
    Abstract: Provided are: a composition capable of imparting excellent transparency and physical properties to thermoplastic resins; a thermoplastic resin composition containing the composition; and a molded article of the thermoplastic resin composition. The composition contains the following (A), (B), (C) and (D), and ratios of respective components with respect to a total amount of (A) to (D) are: (A) 35 to 75% by mass, (B) 10 to 40% by mass, (C) 0 to 20% by mass, and (D) 5 to 35% by mass.
    Type: Application
    Filed: August 29, 2019
    Publication date: September 10, 2020
    Applicant: ADEKA CORPORATION
    Inventors: Takuya FUKUDA, Yuri YOKOTA