Patents by Inventor Naosuke Komoto

Naosuke Komoto 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: 11970603
    Abstract: A chlorinated polyolefin resin may have excellent adhesion and can be produced without using a chlorinated solvent and without producing by-products through a series of production processes. Such a chlorinated polyolefin resin may be a chlorinated polyolefin resin having an amount of chlorine of 1% by weight to 45% by weight obtained by chlorinating a raw material composition in the absence of an organic solvent, wherein the raw material composition includes at least a polyolefin A or an acid-modified product thereof which has fluidity at 40° C. or less and a polyolefin B or an acid-modified product thereof which has a melting point of more than 40° C. and 150° C. or less.
    Type: Grant
    Filed: July 22, 2019
    Date of Patent: April 30, 2024
    Assignee: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Minoru Yada, Naosuke Komoto
  • Patent number: 11939463
    Abstract: Provided is a resin composition having a large proportion of polyolefin components, allowing preparation of a solution having a high solid content, having a good solution property after long-term storage, having good pigment dispersibility, and including a modified product of component (A): polyolefin resin with component (B): (meth)acrylic acid and/or (meth)acrylic acid ester, in which the weight ratio of the component (A) to the component (B) ((A)/(B)) is 90/10 to 30/70, and the component (B) contains 20% by weight or more of component (B1): an alkoxy (poly)alkylene glycol mono(meth)acrylic acid ester.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: March 26, 2024
    Assignee: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Masaru Kono, Hitomi Abe, Minoru Yada, Naosuke Komoto
  • Publication number: 20230192919
    Abstract: An alcohol-based composition may contain an acryl-modified polyolefin resin and exhibit a good adhesion even at a high solid content, suppress an increase in viscosity, and have good stability such as dispersibility and sustainable stability. A dispersion composition may contain at least a modified polyolefin resin dispersed in a dispersing medium containing an alcohol solvent and an aliphatic hydrocarbon solvent. The modified polyolefin resin may be modified with a (meth)acrylic acid component containing at least a (meth)acrylic ester of formula (I) and a (meth)acrylic ester of formula (II). The total content of the structure derived from the (meth)acrylic acid component in the dispersion composition is 3% to 94% by weight, relative to 100% by weight as a total amount of the modified polyolefin resin and (meth)acrylic acid component polymer, and a solid fraction in the dispersion composition is 30% to 80% by weight.
    Type: Application
    Filed: May 20, 2021
    Publication date: June 22, 2023
    Applicant: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Masaru KONO, Koji KIMURA, Yasutaka WATANABE, Naosuke KOMOTO
  • Patent number: 11518838
    Abstract: An object is to provide a resin composition having excellent performance as a binder such as adhesiveness and, at the same time, retaining solution properties favorably even after a solution is stored for a long period of time. A modified polyolefin resin composition includes a modified polyolefin resin (C), in which the modified polyolefin resin (C) is a resin made by modifying a polymer (A) that is a polymer (a) of a polyolefin resin or a chlorinated polyolefin resin and an ?,?-unsaturated carboxylic acid derivative having a structure derived from at least one carboxy group or a chlorinated product (b) thereof with a modification component including an alcohol (B); and a residual ratio of the structure derived from at least one carboxy group in the modified polyolefin resin (C) is 50% or more and 80% or less.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: December 6, 2022
    Assignee: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Masaru Kono, Takao Yoshimoto, Takato Takenaka, Minoru Yada, Naosuke Komoto
  • Patent number: 11518872
    Abstract: An object is to provide a chlorinated polyolefin resin composition being superior in adhesion, solution stability, and chipping resistance. The chlorinated polyolefin resin composition contains a component (A): a polyolefin resin A having a melting point (TmA) obtained with a differential scanning calorimeter (DSC) in the range of 90 to 160° C., and a component (B): a polyolefin resin B having a melting point (TmB) obtained with a differential scanning calorimeter (DSC) in the range of 50 to 130° C., at least any one of the component (A) and the component (B), or a copolymer thereof being a chlorinated polyolefin resin (where |TmA?TmB|?5° C.).
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: December 6, 2022
    Assignee: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Masaru Kono, Kensuke Asai, Takao Yoshimoto, Takato Takenaka, Minoru Yada, Naosuke Komoto
  • Publication number: 20220195084
    Abstract: The present invention provides a modified polyolefin resin composition including a modified polyolefin resin (X) formed by modifying an acid-modified polyolefin resin (A) with a modification component comprising an alcohol (B), in which the modified polyolefin resin composition satisfies the following (I) to (III) and also provides applications of the modified polyolefin resin composition. (I) The resin (A) is a resin formed by modifying a polyolefin (a) with an ?,?-unsaturated carboxylic acid and a derivative (b) of the ?,?-unsaturated carboxylic acid having a structure (b1) derived from at least one carboxy group. (II) A residual ratio of the structure (b1) in the resin (X) is more than 0% to 50% or less. (III) A content of the alcohol in the composition is 1.0 mol to 5.0 mol relative to 1.0 mol of the structure (b1) that the resin (A) has.
    Type: Application
    Filed: April 10, 2020
    Publication date: June 23, 2022
    Applicant: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Masaru KONO, Hitomi ABE, Minoru YADA, Naosuke KOMOTO
  • Publication number: 20210395511
    Abstract: Provided is a resin composition having a large proportion of polyolefin components, allowing preparation of a solution having a high solid content, having a good solution property after long-term storage, having good pigment dispersibility, and including a modified product of component (A): polyolefin resin with component (B): (meth)acrylic acid and/or (meth)acrylic acid ester, in which the weight ratio of the component (A) to the component (B) ((A)/(B)) is 90/10 to 30/70, and the component (B) contains 20% by weight or more of component (B1): an alkoxy (poly)alkylene glycol mono(meth)acrylic acid ester.
    Type: Application
    Filed: September 25, 2019
    Publication date: December 23, 2021
    Applicant: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Masaru KONO, Hitomi ABE, Minoru YADA, Naosuke KOMOTO
  • Publication number: 20210292530
    Abstract: A chlorinated polyolefin resin may have excellent adhesion and can be produced without using a chlorinated solvent and without producing by-products through a series of production processes. Such a chlorinated polyolefin resin may be a chlorinated polyolefin resin having an amount of chlorine of 1% by weight to 45% by weight obtained by chlorinating a raw material composition in the absence of an organic solvent, wherein the raw material composition includes at least a polyolefin A or an acid-modified product thereof which has fluidity at 40° C. or less and a polyolefin B or an acid-modified product thereof which has a melting point of more than 40° C. and 150° C. or less.
    Type: Application
    Filed: July 22, 2019
    Publication date: September 23, 2021
    Applicant: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Minoru YADA, Naosuke KOMOTO
  • Publication number: 20210221926
    Abstract: A modified polyolefin resin is described. The modified polyolefin resin can enhance a cleaning property upon cleaning inside of a coating machine with a cleaning solvent including water, and is excellent in a balance between heat resistance and solution stability. The modified polyolefin resin is a polyolefin resin that is modified with an ?,?-unsaturated carboxylic acid or a derivative thereof and with an amino alcohol having a primary or a secondary amino group.
    Type: Application
    Filed: May 30, 2019
    Publication date: July 22, 2021
    Applicant: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Fumiyasu SAKAKIBARA, Ryuji DOI, Kei KONDO, Takao YOSHIMOTO, Chiaki HIRAOKA, Shunji SEKIGUCHI, Isamu ONO, Koji KIMURA, Takato TAKENAKA, Naosuke KOMOTO
  • Patent number: 11046844
    Abstract: Provided is a modified polyolefin resin that is excellent in adhesion to nonpolar substrates such as a polyolefin substrate, and excellent in stability in an alcohol solvent. In the modified polyolefin resin, the following polymer (A) is grafted on the following resin (B). Polymer (A): a polymer including at least one constitutional unit selected from the group consisting of a constitutional unit derived from an ?,?-unsaturated carboxylic acid and a constitutional unit derived from a derivative of an ?,?-unsaturated carboxylic acid, and having a hydroxyl value in a range of 10 mgKOH/g or larger and 200 mgKOH/g or smaller. Resin (B): a polyolefin resin or a modified product thereof.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: June 29, 2021
    Assignee: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Masaru Kono, Minoru Yada, Naosuke Komoto
  • Publication number: 20210102054
    Abstract: A resin composition can be used as a raw material of a primer, and capable of superior solution stability, adhesion to a non-polar substrate, and/or chipping resistance in a coating film formed from the composition.
    Type: Application
    Filed: February 28, 2019
    Publication date: April 8, 2021
    Applicant: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Masaru KONO, Hitomi ABE, Junichi HAYAKAWA, Minoru YADA, Naosuke KOMOTO
  • Publication number: 20210070911
    Abstract: An object is to provide a resin composition having excellent performance as a binder such as adhesiveness and, at the same time, retaining solution properties favorably even after a solution is stored for a long period of time. A modified polyolefin resin composition includes a modified polyolefin resin (C), in which the modified polyolefin resin (C) is a resin made by modifying a polymer (A) that is a polymer (a) of a polyolefin resin or a chlorinated polyolefin resin and an ?,?-unsaturated carboxylic acid derivative having a structure derived from at least one carboxy group or a chlorinated product (b) thereof with a modification component including an alcohol (B); and a residual ratio of the structure derived from at least one carboxy group in the modified polyolefin resin (C) is 50% or more and 80% or less.
    Type: Application
    Filed: October 23, 2018
    Publication date: March 11, 2021
    Applicant: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Masaru KONO, Takao YOSHIMOTO, Takato TAKENAKA, Minoru YADA, Naosuke KOMOTO
  • Publication number: 20210009727
    Abstract: An object is to provide a chlorinated polyolefin resin that has excellent solution stability and excellent adhesion to polyolefin substrates including a polyethylene substrate. The chlorinated polyolefin resin is a chlorinated product of a copolymer having a structural unit derived from ethylene, in which a content ratio of the ethylene structural unit in the copolymer is 50 mol % to 90 mol %.
    Type: Application
    Filed: January 11, 2019
    Publication date: January 14, 2021
    Applicant: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Yiwen CHEN, Kota FUJIMOTO, Takato TAKENAKA, Masanoru TANAKA, Eriko MURAOKA, Minoru YADA, Naosuke KOMOTO
  • Publication number: 20200385557
    Abstract: An object is to provide a chlorinated polyolefin resin composition being superior in adhesion, solution stability, and chipping resistance. The chlorinated polyolefin resin composition contains a component (A): a polyolefin resin A having a melting point (TmA) obtained with a differential scanning calorimeter (DSC) in the range of 90 to 160° C., and a component (B): a polyolefin resin B having a melting point (TmB) obtained with a differential scanning calorimeter (DSC) in the range of 50 to 130° C., at least any one of the component (A) and the component (B), or a copolymer thereof being a chlorinated polyolefin resin (where |TmA?TmB|?5° C.).
    Type: Application
    Filed: March 12, 2018
    Publication date: December 10, 2020
    Applicant: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Masaru KONO, Kensuke ASAI, Takao YOSHIMOTO, Takato TAKENAKA, Minoru YADA, Naosuke KOMOTO
  • Patent number: 10774167
    Abstract: The present invention provides a modified polyolefin resin that can form a coating that exhibits excellent adhesion to a low-polarity base material, especially a poorly adherable polyolefin base material with no surface treatment even when being dried at low temperatures and has flexibility (bendability). Provided is a modified polyolefin resin that is a modified product of a polyolefin resin having a melting point (Tm) by a differential scanning calorimeter (DSC) of 60 to 165° C. with a modifier comprising the following (A): (A) a monomer mixture comprising Monomer Group (A-1) and Monomer Group (A-2) with a weight ratio of Monomer Group (A-1) to Monomer Group (A-2) ((A-1)/(A-2)) of 30/70 to 50/50.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: September 15, 2020
    Assignee: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventor: Naosuke Komoto
  • Publication number: 20190264020
    Abstract: Provided is a modified polyolefin resin that is excellent in adhesion to nonpolar substrates such as a polyolefin substrate, and excellent in stability in an alcohol solvent. In the modified polyolefin resin, the following polymer (A) is grafted on the following resin (B). Polymer (A): a polymer including at least one constitutional unit selected from the group consisting of a constitutional unit derived from an ?,?-unsaturated carboxylic acid and a constitutional unit derived from a derivative of an ?,?-unsaturated carboxylic acid, and having a hydroxyl value in a range of 10 mgKOH/g or larger and 200 mgKOH/g or smaller. Resin (B): a polyolefin resin or a modified product thereof.
    Type: Application
    Filed: September 26, 2017
    Publication date: August 29, 2019
    Applicant: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Masaru KONO, Minoru YADA, Naosuke KOMOTO
  • Publication number: 20180371142
    Abstract: The present invention provides a modified polyolefin resin that can form a coating that exhibits excellent adhesion to a low-polarity base material, especially a poorly adherable polyolefin base material with no surface treatment even when being dried at low temperatures and has flexibility (bendability). Provided is a modified polyolefin resin that is a modified product of a polyolefin resin having a melting point (Tm) by a differential scanning calorimeter (DSC) of 60 to 165° C. with a modifier comprising the following (A): (A) a monomer mixture comprising Monomer Group (A-1) and Monomer Group (A-2) with a weight ratio of Monomer Group (A-1) to Monomer Group (A-2) ((A-1)/(A-2)) of 30/70 to 50/50.
    Type: Application
    Filed: December 14, 2016
    Publication date: December 27, 2018
    Applicant: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventor: Naosuke KOMOTO
  • Patent number: 8519046
    Abstract: It is an object of the present invention to provide a polyolefin resin dispersion composition in which the dispersed resin is stable to water or a hydrophilic substance, and which has an adhesive property to nonpolar substrates, in particular poorly adhesive polyolefin-based substrates whose surface has not been treated, is excellent in a coating property, exhibits an excellent adhesive property through drying and press bonding with heat at a temperature in a wide range regardless of whether the temperature is low or high, is excellent in water resistance and gasohol resistance and is less tacky. That is, the present invention provides the dispersed resin composition containing (a) a polyolefin resin, (b) a (meth)acrylic acid homopolymer or copolymer having a side chain comprising an esterified alkyl group, (c) a basic substance and (d) water or a hydrophilic substance, and a process for producing the same.
    Type: Grant
    Filed: December 13, 2007
    Date of Patent: August 27, 2013
    Assignee: Nippon Paper Chemicals Co., Ltd.
    Inventors: Takayuki Hirose, Naosuke Komoto, Kensho Okayama, Koji Masumoto, Naoko Nagaoka
  • Publication number: 20110112229
    Abstract: It is an object of the present invention to provide: a dispersion resin composition for use in a paint, an ink, an adhesive, or a primer that each contains an alcohol or an ether, and which exhibits excellent water dispersibility and can maintain excellent dispersion stability, even when the dispersion resin composition is added to a material containing an organic solvent such as an alcohol or an ether, or even when an organic solvent is added to the dispersion resin composition; and a composition of a paint, an ink, an adhesive or a primer that each contains the dispersion resin composition.
    Type: Application
    Filed: August 14, 2009
    Publication date: May 12, 2011
    Applicant: NIPPON PAPER CHEMICALS CO., LTD.
    Inventors: Naoko Nagaoka, Kenshou Okayama, Masanori Tanaka, Naosuke Komoto
  • Publication number: 20100029836
    Abstract: It is an object of the present invention to provide a polyolefin resin dispersion composition in which the dispersed resin is stable to water or a hydrophilic substance, and which has an adhesive property to nonpolar substrates, in particular poorly adhesive polyolefin-based substrates whose surface has not been treated, is excellent in a coating property, exhibits an excellent adhesive property through drying and press bonding with heat at a temperature in a wide range regardless of whether the temperature is low or high, is excellent in water resistance and gasohol resistance and is less tacky. That is, the present invention provides the dispersed resin composition containing (a) a polyolefin resin, (b) a (meth)acrylic acid homopolymer or copolymer having a side chain comprising an esterified alkyl group, (c) a basic substance and (d) water or a hydrophilic substance, and a process for producing the same.
    Type: Application
    Filed: December 13, 2007
    Publication date: February 4, 2010
    Applicant: NIPPON PAPER CHEMICALS CO., LTD.
    Inventors: Takayuki Hirose, Naosuke Komoto, Kensho Okayama, Koji Masumoto, Naoko Nagaoka