Patents Assigned to Nissan Chemical Corporation
  • Publication number: 20230248694
    Abstract: A method of treating bradyarrhythmia includes administering to a patient having bradyarrhythmia a therapeutically effective amount of at least one of compound (I) and compound (II) or pharmacologically acceptable salts thereof as an active component: wherein Ph is a phenyl group.
    Type: Application
    Filed: April 14, 2023
    Publication date: August 10, 2023
    Applicants: OSAKA UNIVERSITY, NISSAN CHEMICAL CORPORATION
    Inventors: Yoshihiro ASANO, Seiji TAKASHIMA, Noriaki YAMADA, Toru YAMASHITA
  • Publication number: 20230250314
    Abstract: A simple method for removing foreign substances that are formed on a substrate during a semiconductor device production process and a composition for forming a coating film for foreign substance removal, said coating film being used in the above-described method. A composition for forming a coating film for foreign substance removal, said composition containing a polymer and a solvent and being capable of forming a coating film that dissolves in a developer liquid, wherein: the polymer is selected from among phenolic novolacs, polyhydroxystyrene derivatives and carboxylic acid-containing polymers; and the polymer is contained in an amount of 50% by mass or more relative to the total solid content in the composition.
    Type: Application
    Filed: July 20, 2021
    Publication date: August 10, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Takahiro KISHIOKA, Yuki USUI, Shunsuke MORIYA
  • Publication number: 20230244141
    Abstract: A photocurable composition for forming coating film having flattening properties on a substrate, with high fillability into patterns and capability of forming a coating film that is free from thermal shrinkage, which contains at least one compound that contains a photodegradable nitrogen-containing and/or photodegradable sulfur-containing structure, a hydrocarbon structure, and a solvent. The compound may have the photodegradable nitrogen-containing and/or photodegradable sulfur-containing structure and the hydrocarbon structure in one molecule, or may be a combination of compounds which contain the structures in separate molecules.
    Type: Application
    Filed: March 30, 2023
    Publication date: August 3, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Hikaru TOKUNAGA, Takafumi ENDO, Keisuke HASHIMOTO, Rikimaru SAKAMOTO
  • Publication number: 20230242869
    Abstract: The invention provides a composition for forming a coating film having compatibility with a biological substance which comprises a block copolymer having unit structures represented by the formula (1) and the formula (2): (wherein R1 to R3, U1 and U2 each independently represent a hydrogen atom or an alkyl group having 1 to 5 carbon atoms, X1 and X2 represent an alkylene group having 1 to 5 carbon atoms, and n1 represents an integer of 1 to 10), and a solvent. The invention also provides a coating film using the same, a substrate for cell culture using the same, a method for producing the substrate for cell culture, and a method for producing a cell aggregate.
    Type: Application
    Filed: June 9, 2021
    Publication date: August 3, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Miya HIROI, Shinsuke TADOKORO, Masami KOZAWA, Yoshiomi HIROI
  • Publication number: 20230241053
    Abstract: A therapeutic agent for drug-induced bradycardia and bradyarrhythmia. A therapeutic agent for drug-induced bradycardia and bradyarrhythmia including, as an active ingredient, the following compound (I): (wherein Ph is a phenyl group) or a pharmacologically acceptable salt of the compound.
    Type: Application
    Filed: June 25, 2021
    Publication date: August 3, 2023
    Applicants: OSAKA UNIVERSITY, NISSAN CHEMICAL CORPORATION
    Inventors: Seiji TAKASHIMA, Yoshihiro ASANO, Noriaki YAMADA, Yoshiki KONDO, Yu KAWAI
  • Publication number: 20230244148
    Abstract: A composition for forming a resist underlayer film that enables the formation of a desired resist pattern; a method for producing a resist pattern and producing a semiconductor device, which uses this composition for forming a resist underlayer film. A composition for forming an EUV resist underlayer film, said composition containing an organic solvent and a reaction product of a diepoxy compound and a compound represented by formula (1). (In formula (1), Y1 represents an alkylene group having from 1 to 10 carbon atoms, wherein at least one hydrogen atom is substituted by a fluorine atom; each of T1 and T2 independently represents a hydroxy group or a carboxy group; each of R1 and R2 independently represents an alkyl group having from 1-10 carbon atoms, said alkyl group being optionally substituted by a fluorine atom; and each of n1 and n2 independently represents an integer from 0 to 4.
    Type: Application
    Filed: July 19, 2021
    Publication date: August 3, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Shou SHIMIZU, Ryuta MIZUOCHI, Mamoru TAMURA
  • Publication number: 20230235141
    Abstract: The invention provides a composition for forming a coating film containing a phosphoric acid group-containing polymer capable of forming a film on a substrate by a simple process and capable of maintaining film properties under a solvent environment containing water, and a coating film which is a cured product of the composition. In particular, the composition for forming a coating film contains (a) a polymer (P) containing a hydroxyl group, and the hydroxyl group is derived only from a phosphoric acid group, (b) a polycarbodiimide (C) containing a structure represented by the following formula (c-1): —N?C?N—??(c-1), and (c) a solvent.
    Type: Application
    Filed: June 18, 2021
    Publication date: July 27, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Yoshiomi HIROI, Hiroyuki NAKAJIMA, Taito NISHINO, Miya HIROI, Yuki UEDA
  • Publication number: 20230238545
    Abstract: A stable form which uses a carbon material having electrical conductivity as a raw material and that the electrical conductivity of the carbon material is retained and/or improved, and which improves the electricity generation properties when used in a catalyst layer for a fuel cell. The present invention is directed to, e.g., a calcined material of a mixture of an aromatic compound having a phenolic hydroxyl group and a carbon material having electrical conductivity.
    Type: Application
    Filed: May 31, 2021
    Publication date: July 27, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Shoichi KONDO, Hirokazu KATO, Takamasa KIKUCHI, Norihito SHIGA
  • Patent number: 11708273
    Abstract: A silica sol dispersed in a nitrogen-containing solvent and a silica-containing resin composition containing a nitrogen atom-containing polymer. A silica sol including silica particles containing aluminum atoms and having an average primary particle diameter of 5 to 100 nm, the silica particles being dispersed in a nitrogen-containing solvent, wherein the aluminum atoms are bonded to the surfaces of the silica particles in an amount in terms of Al2O3 of 800 to 10,000 ppm/SiO2. The silica particles are bonded to a silane compound or a hydrolysate of the silane compound. The nitrogen-containing solvent is an amide solvent. The nitrogen-containing solvent is dimethylacetamide, dimethylformamide, N-methylpyrrolidone, or N-ethylpyrrolidone. The insulating resin composition includes the silica sol and a nitrogen-containing polymer. The nitrogen-containing polymer is polyimide, polyamide, polyamic acid, polyamideimide, polyetherimide, or polyesterimide.
    Type: Grant
    Filed: November 4, 2021
    Date of Patent: July 25, 2023
    Assignee: NISSAN CHEMICAL CORPORATION
    Inventors: Kazuya Kuroiwa, Hikaru Onishi, Yuki Sugawara, Naohiko Suemura
  • Publication number: 20230213857
    Abstract: Provided is a resist underlayer film-forming composition that is used in a lithographic process in semiconductor manufacturing and has excellent storage stability. The resist underlayer film-forming composition contains: a polymer having a disulfide bond in a main chain; a radical trapping agent; and a solvent. The radical trapping agent is preferably a compound having a ring structure or a thioether structure. The ring structure is preferably an aromatic ring structure having 6-40 carbon atoms or a 2,2,6,6-tetramethylpiperidine structure.
    Type: Application
    Filed: February 13, 2020
    Publication date: July 6, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Satoshi KAMIBAYASHI, Takafumi ENDO, Yuto HASHIMOTO, Yuki ENDO, Takahiro KISHIOKA, Rikimaru SAKAMOTO
  • Publication number: 20230212214
    Abstract: The present invention relates to a utilizing method of a nucleic acid compound containing a selectively cleavable site. Also, the present invention relates to a DNA-encoded library containing the selectively cleavable site, a composition for synthesis therefor and a method of use thereof.
    Type: Application
    Filed: May 24, 2021
    Publication date: July 6, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Masatoshi NIWA, Munefumi TOKUGAWA, Jun HAYASHIDA, Hajime FUKANO
  • Publication number: 20230205086
    Abstract: A composition contains an organic solvent and compound (formula (1)), theoretical molecular weight 999 or less. (Z1 contains a nitrogen-containing heterocyclic ring; U represents a monovalent organic group (formula (2)); and p represents 2 to 4.) (In formula (2), R1 represents an alkylene group having 1 to 4 carbon atoms; A1 to A3 represent a hydrogen atom, or methyl or ethyl group: X represents —COO—, —OCO—, —O—, —S— or —NRa-; Ra represents a hydrogen atom or methyl group; Y represents a direct bond or optionally substituted alkylene group having 1 to 4 carbon atoms; R2, R3 and R4 represent a hydrogen atom or optionally substituted alkyl group having 1 to 10 carbon atoms or aryl group having 6 to 40 carbon atoms; R5 represents a hydrogen atom or hydroxy group; n represents 0 or 1; m1 and m2 represent 0 or 1; and * represents a binding site to Z1.
    Type: Application
    Filed: June 11, 2021
    Publication date: June 29, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Satoshi KAMIBAYASHI, Yuki ENDO
  • Publication number: 20230203498
    Abstract: Provided is a single-stranded oligonucleotide that is capable of controlling a target gene with high efficiency and can be easily produced. The single-stranded oligonucleotide is represented by the formula X-L-Y wherein X and Y hybridize by a first nucleotide sequence portion and a second nucleotide sequence portion. X is composed of 7 to 100 nucleotides, contains at least one modified nucleotide, and has a first nucleotide sequence that is capable of hybridizing with a second oligonucleotide and contains at least four contiguous nucleotides recognized by RNase H. Y is composed of 4 to 100 nucleotides, and has a second nucleotide sequence that is capable of hybridizing with a second oligonucleotide and contains at least one ribonucleotide. At least one of nucleotide sequence X and nucleotide sequence Y has an antisense sequence capable of hybridizing with a target RNA. L is a group derived from a third oligonucleotide that is degraded under physiological conditions.
    Type: Application
    Filed: November 11, 2022
    Publication date: June 29, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Yusuke IRIYAMA, Hiroyuki NAKAJIMA, Tatsuro KANAKI
  • Publication number: 20230203299
    Abstract: A resist underlayer film forming composition capable of forming a flat film that exhibits high etching resistance, a good dry etching rate ratio and a good optical constant, while having good coverage even with respect to a so-called multileveled substrate and having a small difference in the film thickness after embedding. Also, a method for producing a polymer that is suitable for the resist underlayer film forming composition; a resist underlayer film which uses the resist underlayer film forming composition; and a method for producing a semiconductor device. This resist underlayer film forming composition contains: a reaction product of an aromatic compound (A) that has from 6 to 120 carbon atoms, and a compound that is represented by formula (1); and a solvent.
    Type: Application
    Filed: June 17, 2021
    Publication date: June 29, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Hikaru TOKUNAGA, Makoto NAKAJIMA
  • Publication number: 20230200203
    Abstract: Provided is a composition for a hole collecting layer of an organic photoelectric conversion element, the composition containing a solvent and an electron transporting substance comprising a polythiophene derivative that includes a repeating unit represented by formula (1) or formula (1?). (In formula (1) and formula (1?), R1 denotes an alkyl group having 1-6 carbon atoms or a fluorine atom. In formula (1), M denotes a hydrogen atom, an alkali metal selected from the group consisting of Li, Na and K, NH(R2)3 or HNC5H5. R2 groups are each independently a hydrogen atom or an optionally substituted alkyl group having 1-6 carbon atoms.
    Type: Application
    Filed: May 31, 2021
    Publication date: June 22, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Shun SUGAWARA, Shinichi MAEDA
  • Patent number: 11681223
    Abstract: A photocurable composition for forming coating film having flattening properties on a substrate, with high fillability into patterns and capability of forming a coating film that is free from thermal shrinkage, which contains at least one compound that contains a photodegradable nitrogen-containing and/or sulfur-containing structure, a hydrocarbon structure, and a solvent. A compound which contains at least one photodegradable structure in one molecule. A compound which contains the photodegradable structures, and the hydrocarbon structure in one molecule, or a combination of compounds which contain the structures in separate molecules. The hydrocarbon structure is a saturated or unsaturated, linear, branched or cyclic hydrocarbon group having a carbon atom number of 1 to 40.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: June 20, 2023
    Assignee: NISSAN CHEMICAL CORPORATION
    Inventors: Hikaru Tokunaga, Takafumi Endo, Keisuke Hashimoto, Rikimaru Sakamoto
  • Publication number: 20230187208
    Abstract: A composition for protective film formation can form a flat film that satisfactorily functions as a mask (protection) against wet etchants during semiconductor substrate processing and has a low dry etching rate, the composition having satisfactory covering and recess-filling properties when applied to rugged substrates and having a small thickness difference after the recess filling. A protective film, a resist underlayer film, and a resist-pattern-coated substrate each produced using the composition; and a method for producing a semiconductor device. The composition, which is for forming films for protection against wet etchants for semiconductors, includes an organic solvent and a compound that has a molecular end having a structure including at least one pair of adjoining hydroxyl groups and has a molecular weight of 1,500 or less, wherein particles present therein have an average particle diameter, as determined by a dynamic light scattering method, of 3 nm or smaller.
    Type: Application
    Filed: June 11, 2021
    Publication date: June 15, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Tokio NISHITA, Yuto HASHIMOTO, Yuki ENDO
  • Publication number: 20230183702
    Abstract: The invention provides a single-stranded oligonucleotide represented by the formula [Xz — Lx]m — X — Y — [Ly — Yz]n, wherein X is represented by Xa-Xb, Xa is coupled with Y, and Xb and Y hybridize. Xa is composed of 1 to 40 nucleotides and contains at least one modified-nucleotide. Xb is composed of 4 to 40 nucleotides and contains at least one modified-nucleotide. Y is composed of 4 to 40 nucleotides and contains at least one ribonucleotide. Xz and Yz are composed of 5 to 40 nucleotides and contain at least one modified-nucleotide. Nucleotide sequences X, Xz and Yz have an antisense sequence capable of hybridizing with a target RNA. Lx and Ly are composed of 0 to 20 nucleotides.
    Type: Application
    Filed: January 10, 2023
    Publication date: June 15, 2023
    Applicant: NISSAN CHEMICAL CORPORATION
    Inventors: Yusuke IRIYAMA, Hiroyuki NAKAJIMA, Tatsuro KANAKI
  • Patent number: 11674051
    Abstract: A stepped substrate coating composition for forming a coating film having planarity on a substrate, including: a main agent and a solvent, the main agent containing a compound (A), a compound (B), or a mixture thereof, the compound (A) having a partial structure Formula (A-1) or (A-2): and the compound (B) having at least one partial structure selected from Formulae (B-1)-(B-5), or having a partial structure including a combination of a partial structure of Formula (B-6) and a partial structure of Formula (B-7) or (B-8): where the composition is cured by photoirradiation or by heating at 30° C.-300° C.; and the amount of the main agent in the solid content of the composition is 95%-100% by mass.
    Type: Grant
    Filed: September 12, 2018
    Date of Patent: June 13, 2023
    Assignee: NISSAN CHEMICAL CORPORATION
    Inventors: Hikaru Tokunaga, Takafumi Endo, Hiroto Ogata, Keisuke Hashimoto, Makoto Nakajima
  • Patent number: 11675270
    Abstract: A resist underlayer film-forming composition for lithography including a copolymer having a structural unit of the following Formula (1) to Formula (3), a crosslinking agent, an organic acid catalyst, and a solvent: (wherein R1s are independently a hydrogen atom or a methyl group, R2 is a C1-3 alkylene group, A is a protective group, R3 is an organic group having a 4-membered ring to 7-membered ring lactone framework, adamantane framework, tricyclodecane framework or norbornane framework, R4 is a linear, branched or cyclic organic group having a carbon atom number of 1 to 12 in which at least one hydrogen atom is substituted with a fluoro group and which optionally has at least one hydroxy group as a substituent).
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: June 13, 2023
    Assignee: NISSAN CHEMICAL CORPORATION
    Inventors: Tokio Nishita, Rikimaru Sakamoto