Patents Assigned to DIC Corporation
  • Publication number: 20230210925
    Abstract: A composition for activating cytotoxic T lymphocytes (CTLs) containing a spirulina extract is provided. A composition for CTL activation for proliferation of cytotoxic T lymphocytes (CTLs) containing a spirulina extract is provided. Moreover, a pharmaceutical composition for CTL activation or a food or a drink for CTL activation containing the composition for CTL activation is provided.
    Type: Application
    Filed: July 9, 2021
    Publication date: July 6, 2023
    Applicants: DIC Corporation, National University Corporation Hokkaido University
    Inventors: Yasuyuki Imai, Tomohiro Hirahashi, Masanori Kasahara, Aya Miyazaki, Tsukasa Seya, Misako Matsumoto, Utano Tomaru
  • Publication number: 20230212444
    Abstract: Provided are a two-component curable adhesive which can be aged at room temperature and has favorable adhesiveness to various base materials, a laminate in which the adhesiveness between a base material and an adhesive is excellent even when aged at room temperature, and a packaging material including the laminate. The two-component curable adhesive includes a polyisocyanate composition (X) including a polyisocyanate compound (A) and a polyol composition (Y) including a polyol (B), in which a viscosity of the polyol composition at 50° C. is 20 mPa·s or more and 180 mPa·s or less.
    Type: Application
    Filed: June 3, 2021
    Publication date: July 6, 2023
    Applicant: DIC Corporation
    Inventors: Daiki Tomita, Takao Honma, Koji Akita
  • Patent number: 11692086
    Abstract: The multilayer film of the present disclosure has at least a heat-sealing layer and a support layer formed on one side of the heat-sealing layer, wherein the first resin composition forming the heat-sealing layer comprises (a) high-density polyethylene, (b) a propylene random copolymer, and (c) a 1-butene polymer, wherein the content of the component (a) is 30 to 60% by mass, the content of the component (b) is 8 to 42% by mass, and the content of the component (c) is 16 to 56% by mass, wherein the component (a) has a melt flow rate of 10 to 30 g/10 minutes at 190° C., the component (b) has a melt flow rate of 8 to 20 g/10 minutes at 230° C., and the component (c) has a melt flow rate of 0.3 to 3 g/10 minutes at 190° C.
    Type: Grant
    Filed: July 7, 2020
    Date of Patent: July 4, 2023
    Assignee: DIC CORPORATION
    Inventors: Takashi Moriya, Tomohisa Kida
  • Publication number: 20230201745
    Abstract: A tube unit includes multiple tubes, a bundling portion that bundles end portions of the tubes, and pipe elements that are inserted into respective end portions of the tubes and support the end portions of the tubes from inside. A degassing module includes the tube unit and a housing in which the tube unit is accommodated and that separates inside spaces inside the respective tubes from an outside space outside the tubes. In addition, each tube is a tubular membrane that allows gas to pass therethrough and prohibits liquid from passing therethrough. The housing has an inside-space opening that is in communication with the inside spaces of the tubes and an outside-space opening that is in communication with the outside space of the tubes.
    Type: Application
    Filed: May 26, 2021
    Publication date: June 29, 2023
    Applicant: DIC Corporation
    Inventors: Kazuyasu Kawashima, Akira Sato, Youhei Suganuma, Kazumi Oi
  • Publication number: 20230203301
    Abstract: A plasticizer for a vinyl chloride resin with excellent balance of non-transfer properties, fogging resistance, flexibility, heat resistance, and cold resistance is provided. Specifically, a plasticizer for a vinyl chloride resin is a polyester made from a glycol having 2 to 18 carbon atoms, an aliphatic dicarboxylic acid having 4 to 14 carbon atoms, and a monoalcohol having 4 to 18 carbon atoms and/or a monocarboxylic acid having 2 to 21 carbon atoms, as reaction raw materials, in which the polyester has a number average molecular weight in a range of 500 to 6,000 and contains components with a molecular weight of 600 or less in a range of 0.5 to 3.0% by mass in terms of area ratio in gel permeation chromatography measurement.
    Type: Application
    Filed: June 10, 2021
    Publication date: June 29, 2023
    Applicant: DIC Corporation
    Inventors: Takafumi Noguchi, Hiroki Tokoro, Osamu Suzuki
  • Publication number: 20230202156
    Abstract: A sealant film including a surface resin layer (A), an adhesive resin layer (B), a release resin layer (C), and a heat seal resin layer (D) that are laminated is provided. The adhesive resin layer (B) contains a thermoplastic elastomer (b1) and a tackifier resin (b2). The release resin layer (C) contains a certain amount of an ethylene ionomer (c1) with a polar group concentration exceeding 5.5 mol % and an ethylene ionomer (c2) with a polar group concentration of 5.5 mol % or less in a resin component contained in the release resin layer (C). The heat seal resin layer (D) contains a certain amount of an olefin resin (d1) and a thermoplastic elastomer (d2) in a resin component contained in the heat seal resin layer (D).
    Type: Application
    Filed: February 28, 2023
    Publication date: June 29, 2023
    Applicant: DIC Corporation
    Inventors: Daiki Tokieda, Takashi Moriya
  • Patent number: 11685807
    Abstract: The present invention provides a resin composition containing an epoxy compound A having a specific structure having an aromatic ring, and having an epoxy equivalent in the range of from 500 to 10,000 g/eq, and an epoxy compound B having an epoxy equivalent in the range of from 100 to 300 g/eq, and a bonding agent containing the resin composition. Further, the present invention provides a cured product containing resin particles and a matrix resin, wherein the resin particles are a cured product of an epoxy compound A having a specific structure having an aromatic ring, and having an epoxy equivalent in the range of from 500 to 10,000 g/eq, and the matrix resin is a cured product of an epoxy compound B having an epoxy equivalent in the range of from 100 to 300 g/eq, and a laminate having a substrate and the cured product.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: June 27, 2023
    Assignee: DIC Corporation
    Inventors: Masato Otsu, Kazuo Arita
  • Publication number: 20230174392
    Abstract: Provided are an adsorbent which can be used in water, particularly even under strong acid conditions, and which has excellent adsorptivity, a method for efficiently separating a separation object substance from a liquid containing the separation object substance using the adsorbent, and further a method for producing a liquid having a separation object substance reduced. More specifically, provided are a method for separating a separation object substance and a liquid using polyarylene sulfide resin particles as an adsorbent from the liquid containing the separation object substance, wherein the liquid contains water, and further a method for producing a liquid having a separation object substance reduced, comprising efficiently separating a separation object substance from a liquid containing the separation object substance using an adsorbent which can be used in water, particularly even under strong acid conditions, and which has excellent adsorptivity.
    Type: Application
    Filed: April 22, 2021
    Publication date: June 8, 2023
    Applicant: DIC Corporation
    Inventors: Taku Ibaraki, Hideki Watanabe, Takashi Furusawa
  • Publication number: 20230167364
    Abstract: The present invention is to find appropriate manufacturing conditions for obtaining a homogeneous scattering state, a homogeneous transparent state, and a homogeneous driving voltage state and to obtain a polymer dispersed liquid crystal display element that has homogeneous properties. A polymer dispersed liquid crystal display element having excellent homogeneity can be obtained by irradiating a light control layer-forming material containing a liquid crystal material and a polymerizable composition with ultraviolet light under specific ultraviolet irradiation conditions to polymerize the polymerizable composition.
    Type: Application
    Filed: April 22, 2021
    Publication date: June 1, 2023
    Applicant: DIC Corporation
    Inventors: Hidetoshi NAKATA, Kazunori MARUYAMA
  • Publication number: 20230167228
    Abstract: The present invention provides a curable composition comprising a urethane-modified epoxy resin (A) as an essential component of a main material, and an acid anhydride (B) as an essential component of a curing agent, wherein the urethane-modified epoxy resin (A) is a reaction product of a polyisocyanate compound (a1), a polyester polyol (a2), and a hydroxyl group-containing epoxy resin (a3) as essential reaction raw materials. The curable composition of the invention is advantageous in that a cured product having excellent fracture toughness and excellent tensile strength can be formed from the composition.
    Type: Application
    Filed: January 13, 2023
    Publication date: June 1, 2023
    Applicant: DIC Corporation
    Inventors: Atsuko Kobayashi, Shigeki Matsui, Makoto Kimura
  • Publication number: 20230159707
    Abstract: Provided are a coating composition for producing an interlayer insulation film, the coating composition making it possible to produce an interlayer insulation film patterned and having a high Young’s modulus and a low relative dielectric constant in high throughput, a method for producing the interlayer insulation film, and a semiconductor element including the interlayer insulation film. Specifically, the coating composition for producing the interlayer insulation film includes: a polymerizable compound (A) being a polymerizable silicon compound having two or more polymerizable groups, at least one of the two or more polymerizable groups being a polymerizable group Q expressed by *-O-R-Y (wherein * represents a bond with a silicon atom, R represents a single bond, an unsubstituted or substituted alkylene group having 1 to 12 carbon atoms and optionally containing a heteroatom, or a phenylene group, and Y represents a polymerizable group); and a photopolymerization initiator (B).
    Type: Application
    Filed: February 4, 2021
    Publication date: May 25, 2023
    Applicant: DIC Corporation
    Inventors: Takeshi Ibe, Tomoyuki Imada
  • Publication number: 20230159695
    Abstract: Provided is a cured product having excellent heat resistance and dielectric properties (low dielectric properties) by using a curable resin characterized by having an indane skeleton. Specifically, provided are a curable resin having an indane skeleton represented by the following formula, a resin composition containing the same, and a cured product thereof. X is a (meth)acryloyl group; Ra and Rb are each an alkyl group, an aryl group, an aralkyl group, or a cycloalkyl group with a carbon atom number of 1 to 12; j is an integer of 1 to 3; k and 1 are each an integer of 0 to 4; n is an average number of repeating units, being 0.5 to 20; and m is an integer of 0 to 2.
    Type: Application
    Filed: March 11, 2021
    Publication date: May 25, 2023
    Applicant: DIC Corporation
    Inventors: Lichen YANG, Ryuichi MATSUOKA, Hiroyoshi KANNARI
  • Patent number: 11649381
    Abstract: An object of the present invention is to provide an adhesive tape that has high conformability and high adhesion to an adherend, particularly, to a hard adherend and that has high removability such that the adhesive tape, when peeled off, can be easily peeled off if it is stretched not only in the horizontal direction of the adhesive tape but also at an angle, without the need to embrittle the adhesive tape, for example, by heating or by using an organic solvent and without leaving an adhesive on the adherend. The present invention relates to an adhesive tape including an adhesive layer containing a filler. The adhesive tape has a thickness of more than 150 ?m and less than 1,500 ?m, an elongation at break of 600% to 3,000%, and a tensile strength at break of 2.5 to 80.0 MPa.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: May 16, 2023
    Assignee: DIC CORPORATION
    Inventors: Daisuke Watanabe, Takamine Sugiura
  • Publication number: 20230141091
    Abstract: A method for producing a halogenated zinc phthalocyanine pigment includes a step of forming a halogenated zinc phthalocyanine crude pigment into a pigment. The halogenated zinc phthalocyanine crude pigment is obtained by depositing a halogenated zinc phthalocyanine, which is synthesized by using an acidic compound or a compound that generates an acid by reacting with water, and the step includes a pretreatment step of kneading the halogenated zinc phthalocyanine crude pigment along with water.
    Type: Application
    Filed: April 30, 2020
    Publication date: May 11, 2023
    Applicant: DIC Corporation
    Inventors: Keisuke Sakamoto, Ayaka Yamaji, Kazushi Suzuki, Mayumi Tokuoka, Katsunori Shimada
  • Publication number: 20230147454
    Abstract: A method for producing a halogenated zinc phthalocyanine pigment includes a step of forming a halogenated zinc phthalocyanine crude pigment into a pigment. The halogenated zinc phthalocyanine crude pigment is obtained by depositing a halogenated zinc phthalocyanine, which is synthesized by using a compound that generates an acid by reacting with water, and the aforementioned step includes a pretreatment step of dry-crushing the halogenated zinc phthalocyanine crude pigment by using an attritor and then washing the dry-crushed halogenated zinc phthalocyanine crude pigment with water.
    Type: Application
    Filed: April 30, 2020
    Publication date: May 11, 2023
    Applicant: DIC Corporation
    Inventors: Keisuke Sakamoto, Ayaka Yamaji, Nozomi Shimizu, Mayumi Tokuoka, Katsunori Shimada
  • Publication number: 20230147608
    Abstract: A method for producing a halogenated zinc phthalocyanine pigment according to one embodiment includes a first step of obtaining a halogenated zinc phthalocyanine crude pigment by deposition by extracting a halogenated zinc phthalocyanine, which is synthesized by using a compound that generates an acid by reacting with water; and a second step of forming the halogenated zinc phthalocyanine crude pigment into a pigment.
    Type: Application
    Filed: April 30, 2020
    Publication date: May 11, 2023
    Applicant: DIC Corporation
    Inventors: Keisuke Sakamoto, Ayaka Yamaji, Kazushi Suzuki, Mayumi Tokuoka, Katsunori Shimada
  • Publication number: 20230144572
    Abstract: A method for producing a halogenated zinc phthalocyanine pigment includes a step of forming a halogenated zinc phthalocyanine crude pigment into a pigment. The halogenated zinc phthalocyanine crude pigment is obtained by deposition of a halogenated zinc phthalocyanine, which is synthesized by using a compound that generates an acid by reacting with water, and the step includes a pretreatment step of heating the halogenated zinc phthalocyanine crude pigment in water to obtain a halogenated zinc phthalocyanine prepigment having a pH of 5.0 or more.
    Type: Application
    Filed: April 30, 2020
    Publication date: May 11, 2023
    Applicant: DIC Corporation
    Inventors: Keisuke Sakamoto, Kentaro Oishi, Ryousuke Asami, Mayumi Tokuoka, Katsunori Shimada
  • Patent number: 11642663
    Abstract: Provided is a molybdenum sulfide that is ribbon-shaped and particularly suitable for a hydrogen generation catalyst. Disclosed are a ribbon-shaped molybdenum sulfide, in which 50 particles as measured by observation with a scanning electron microscope (SEM) have a shape of, on average, 500 to 10000 nm in length, 10 to 1000 nm in width, and 3 to 200 nm in thickness; a method for producing the ribbon-shaped molybdenum sulfide, including: (1) heating a molybdenum oxide at a temperature of 200 to 1000° C. in the presence of a sulfur source; or (2) heating a molybdenum oxide at a temperature of 100 to 800° C. in the absence of a sulfur source, and then heating the molybdenum oxide at a temperature of 200 to 1000° C. in the presence of a sulfur source; and a hydrogen generation catalyst including the ribbon-shaped molybdenum sulfide.
    Type: Grant
    Filed: September 18, 2020
    Date of Patent: May 9, 2023
    Assignee: DIC Corporation
    Inventors: Masato Otsu, Jian-Jun Yuan, Minoru Tabuchi, Kaori Kawamura, Naoto Sakurai, Koichiro Matsuki, Yuichi Satokawa
  • Publication number: 20230139450
    Abstract: An object of the present invention is to provide a phycocyanin pigment composition insoluble in water and provide food, cosmetics, a coating material or a printing marker for pharmaceuticals or agricultural chemicals, a stationery product, a writing tool, a printing ink, an inkjet ink, a metal ink, a paint, a plastic coloring agent, a color toner, a fluorescent labeling agent, a fluorescent probe, or a chemical sensor, each containing the pigment composition. It was found that the phycocyanin pigment composition containing phycocyanin and a metal or a metal compound was insoluble in water, and thus the present invention was accomplished.
    Type: Application
    Filed: March 18, 2021
    Publication date: May 4, 2023
    Applicant: DIC Corporation
    Inventors: Seiji Funakura, Takashi Shibano, Hiroshi Sekikawa
  • Publication number: 20230133719
    Abstract: To provide an inorganic filler dispersion stabilizer capable of reducing the viscosity of a composition containing an inorganic filler and improving the storage stability of the composition containing an inorganic filler. An inorganic filler dispersion stabilizer which is a polyester having carboxyl groups at both terminals.
    Type: Application
    Filed: March 4, 2021
    Publication date: May 4, 2023
    Applicant: DIC Corporation
    Inventors: Junko Yamamoto, Hiroshi Yoshimura, Yusuke Tajiri