Patents Assigned to Kumiai Chemical Industry Co., Ltd.
  • Publication number: 20240138412
    Abstract: A more effective weed control method is provided for a case where soil treatment with pyroxasulfone is carried out. The present invention provides a weed control method in which treatment with columnar crystals of pyroxasulfone is carried out for soil with a composition having a clay content of less than 15% and a sand content of not less than 65%.
    Type: Application
    Filed: January 19, 2022
    Publication date: May 2, 2024
    Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventor: Daigo ITAYA
  • Patent number: 11964957
    Abstract: Embodiments provide a pest control agent that is excellent in safety, controlling effect, residual activity, and so on. According to an embodiment, there is provided a pyrazole derivative represented by general formula [I], or an agriculturally acceptable salt thereof, and a pest control agent containing the same as an active ingredient: wherein, p represents an integer of 0 or 1, R1, R2, R3, R4, and R5 represent a hydrogen atom, halogen atom, C1-C6 alkyl group, or the like, A represents an oxygen atom or sulfur atom, Q represents a halogen atom, C6-C10 aryl group that is unsubstituted or substituted with (R8)m, or the like, and R6 and R7 represent a hydrogen atom, C1-C6 alkyl group, or the like.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: April 23, 2024
    Assignee: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Ryo Ishikawa, Akira Kinpara, Keiji Toriyabe, Akira Watanabe, Masao Nakatani, Akira Takanezawa, Takeshi Matsuda
  • Patent number: 11946086
    Abstract: This invention is intended to identify a gene cluster involved in biosynthesis of a cyclic peptide compound produced by a filamentous fungus of the Curvularia species and to establish a system for synthesizing such cyclic peptide compound. The gene is composed of a first module to a tenth module and encodes a protein having activity of synthesizing a nonribosomal peptide constituting a basic peptide backbone of a cyclic peptide compound produced by a filamentous fungus of the Curvularia species.
    Type: Grant
    Filed: December 13, 2021
    Date of Patent: April 2, 2024
    Assignees: TOHOKU UNIVERSITY, KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Takashi Kubo, Masayuki Machida, Maiko Umemura, Keietsu Abe, Akira Yoshimi, Tomonori Fujioka, Shigenari Yamaguchi, Kiyoshi Kawai
  • Publication number: 20240076292
    Abstract: The present invention provides an industrially desirable production method for a sulfone derivative that is useful as a herbicide, and an intermediate thereof.
    Type: Application
    Filed: December 22, 2021
    Publication date: March 7, 2024
    Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Shinki TANI, Daisuke SHIKAMA, Kai TAKIZAWA
  • Patent number: 11919928
    Abstract: An object of the present invention is to identify an enzyme having activity of synthesizing dihydrotentoxin that is a tentoxin precursor and an enzyme having activity of synthesizing tentoxin using dihydrotentoxin as a substrate. The present invention concerns a tentoxin synthesis-related gene encoding a protein comprising the amino acid sequence of SEQ ID NO: 16 and having activity of nonribosomal peptide synthesis of dihydrotentoxin and a tentoxin synthesis-related gene encoding a protein comprising the amino acid sequence of SEQ ID NO: 18 and having activity of converting dihydrotentoxin to tentoxin.
    Type: Grant
    Filed: October 12, 2021
    Date of Patent: March 5, 2024
    Assignee: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Takashi Kubo, Masayuki Machida, Tomonori Fujioka, Shigenari Yamaguchi, Kiyoshi Kawai
  • Publication number: 20240065269
    Abstract: A more effective weed control method is provided for a case where soil treatment with pyroxasulfone is carried out. The present invention provides a weed control method in which treatment with needle crystals of pyroxasulfone is carried out for soil with a composition having a clay content of not less than 15% or a sand content of less than 65%.
    Type: Application
    Filed: January 19, 2022
    Publication date: February 29, 2024
    Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventor: Daigo ITAYA
  • Patent number: 11898139
    Abstract: Provided herein is a culturing method for bacteria of the genus Rhizobium whereby a low viscosity can be maintained in a culture solution during the culturing of and at the end of culturing of said bacteria, and that enables easy and efficient post-procedures, including concentration and separation of viable bacteria, among others. This is achieved by growing Rhizobium bacteria by liquid culture using a medium containing a disaccharide (for example, maltose, trehalose, lactose, sucrose) accounting for at least 25 mass % of the carbon source in the medium while maintaining a pH of 5.0 to 7.0 in the culture solution throughout the course of the culture, namely from the beginning of the culturing to the end of the culturing of said bacteria.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: February 13, 2024
    Assignees: Kumiai Chemical Industry Co., Ltd., K.I Chemical Industry Co., Ltd., Okayama Prefectural Government
    Inventors: Toshinobu Yamazaki, Shingo Hattori, Tatsuya Horiuchi
  • Patent number: 11795145
    Abstract: Provided are a methane-production inhibitor capable of inhibiting methane production for a long period of time, and a method for inhibiting methane production using the composition. A methane-production inhibitor composition contains one or more compounds selected from compounds represented by formula [I] as an effective ingredient, and a method for inhibiting methane production uses the composition. (In formula [I], X represents an —OR1 group, a hydroxyl group, or a halogen atom, Y represents an —OR2 group or an —SO2R3 group, R1 represents a benzoyl group, R2 represents a methylsulfonyl group or a chloromethylsulfonyl group, and R3 represents a chloromethyl group or a hydroxymethyl group.
    Type: Grant
    Filed: April 16, 2021
    Date of Patent: October 24, 2023
    Assignee: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventor: Yudai Hotta
  • Patent number: 11753384
    Abstract: The objective of the present invention is to provide a production method for a 4,5-dihydroisoxazole represented by formula (3), which is safe, industrially desirable, economical, and environmentally friendly. The present invention causes the compound of formula (1) to react with hydroxylamine in the presence of an acid catalyst to produce the compound of formula (3) through the reaction represented by the reaction equation.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: September 12, 2023
    Assignee: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Toshihiro Nagata, Daisuke Shikama
  • Publication number: 20230250436
    Abstract: This invention provides a nucleic acid that enables evaluation of various endocrine disrupting actions of a very small amount of endocrine disrupting chemicals with high sensitivity. Such nucleic acid comprises a total of 20 to 60 nucleotides comprising the nucleotide sequence shown in SEQ ID NO: 1 and shows excellent responsiveness to various endocrine disrupting chemicals.
    Type: Application
    Filed: April 20, 2021
    Publication date: August 10, 2023
    Applicants: KUMIAI CHEMICAL INDUSTRY CO., LTD., UNIVERSITY PUBLIC CORPORATION OSAKA
    Inventors: Masahiro OGAWA, Sayoko HARASHIMA, Masanobu KAWANISHI, Takashi YAGI
  • Publication number: 20230235335
    Abstract: Metabolic activity is exhibited against a larger number of compounds having different acting properties. A cytochrome P450 gene encodes a protein having an amino acid sequence of any of SEQ ID NOS: 2, 4, 6, and 8.
    Type: Application
    Filed: June 24, 2021
    Publication date: July 27, 2023
    Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Shunsuke YAMAMOTO, Kiyoshi KAWAI
  • Publication number: 20230189816
    Abstract: A soil-borne plant disease control agent that can be safely used as a biopesticide. The active component of the control agent includes viable bacteria of novel strains of Bacillus and Fictibacillus, or a culture of these bacteria. The soil-borne plant disease control agent is a vegetable wilt control agent. The plant disease control agent can be applied (sprayed) to stems and leaves to control a bacterial wilt disease caused by soil bacteria Ralstonia solanacearum species complex, and/or bacterial soft rots. A plant disease control method.
    Type: Application
    Filed: May 28, 2021
    Publication date: June 22, 2023
    Applicants: NATIONAL UNIVERSITY CORPORATION TOKAI NATIONAL HIGHER EDUCATION AND RESEARCH SYSTEM, Kumiai Chemical Industry Co., Ltd.
    Inventors: Masafumi SHIMIZU, Isao KANEKO, Nobuaki OHTAKA, Nozomu MARUYAMA
  • Publication number: 20230167053
    Abstract: Provided are a methane-production inhibitor capable of inhibiting methane production for a long period of time, and a method for inhibiting methane production using the composition. A methane-production inhibitor composition contains one or more compounds selected from compounds represented by formula [I] as an effective ingredient, and a method for inhibiting methane production uses the composition. (In formula [I], X represents an —OR1 group, a hydroxyl group, or a halogen atom, Y represents an —OR2 group or an —SO2R3 group, R1 represents a benzoyl group, R2 represents a methylsulfonyl group or a chloromethylsulfonyl group, and R3 represents a chloromethyl group or a hydroxymethyl group.
    Type: Application
    Filed: April 16, 2021
    Publication date: June 1, 2023
    Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventor: Yudai HOTTA
  • Patent number: 11639491
    Abstract: Provided herein is a method for producing a lyophilized composition of viable cells of Rhizobium bacteria having high viable cell viability, and a lyophilized composition of viable cells of Rhizobium bacteria having desirable long-storage survivability, among others. The lyophilized composition of viable cells of Rhizobium bacteria having high viable cell viability and desirable long-storage survivability can be obtained when a composition containing viable cells of Rhizobium bacteria and more than 10 mass % moisture is lyophilized to bring the moisture content to 10 mass %, and the drying is ended before the moisture content becomes less than 5 mass % so that the composition after the lyophilization contains the viable bacteria and 5 to 10 mass % of moisture.
    Type: Grant
    Filed: October 23, 2018
    Date of Patent: May 2, 2023
    Assignees: Kumiai Chemical Industry Co., Ltd., K.I Chemical Industry Co., Ltd., Okayama Prefectural Government
    Inventors: Toshinobu Yamazaki, Nobutoshi Myojo, Shingo Hattori, Tatsuya Horiuchi, Akira Kawaguchi, Namiko Kirino
  • Publication number: 20230110603
    Abstract: The present invention provides: a 3-alkoxybenzamide derivative having an excellent pest control effect, or a salt thereof; and a pest control agent and a production intermediate which contain the same as an active ingredient. Provided are: a 3-alkoxybenzamide derivative represented by general formula [I] [In the formula, A represents an oxygen atom or a sulfur atom, G represents a hydrogen atom, a halogen atom, or a C1-C6 alkyl group, le represents a C1-C6 alkyl group, a C3-C6 cycloalkyl group, etc., R2 represents a hydrogen atom, etc., R3 represents a halogen atom, C1-C6 alkyl group, etc., R4 represents a halogen atom, C1-C6 alkyl group, etc., and R5 represents a C1-C12 alkyl group, etc.], or a salt thereof; and a pest control agent characterized by containing said derivative or salt thereof as an active ingredient.
    Type: Application
    Filed: January 29, 2021
    Publication date: April 13, 2023
    Applicant: Kumiai Chemical Industry Co., Ltd.
    Inventors: Kosuke TANAKA, Sakae SAKURAI, Yukihiro ENOMOTO, Keiji TORIYABE, Hirokazu ARAI, Yuhsuke NAKANE, Takeshi MATSUDA, Akira TAKANEZAWA, Shusuke KOIKE, Shunsuke KITAHARA, Shigeyuki MUKAWA
  • Patent number: 11622558
    Abstract: An object of the present invention is to provide: an aqueous suspension agrochemical composition having a good storage stability, with which an increase in the viscosity of a formulation can be inhibited even when the composition contains a high concentration of pyroxasulfone; and a process of spraying the same. The present invention provides: an aqueous suspension agrochemical composition containing: pyroxasulfone; an acrylic graft copolymer; an alcohol alkoxylate; and a lignin sulfonate, in which composition the alcohol alkoxylate contains a polyoxyethylene alkyl ether; and a process of spraying an aqueous suspension agrochemical composition, the process including spraying the above-described aqueous suspension agrochemical composition to a field where agricultural/horticultural plants grow.
    Type: Grant
    Filed: March 4, 2020
    Date of Patent: April 11, 2023
    Assignee: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventor: Waki Yokoyama
  • Publication number: 20230012374
    Abstract: The present invention provides industrially preferable processes for producing a sulfone derivative useful as a herbicide and an intermediate thereof. Provided are a process for producing a compound of the formula (4), comprising the following step ii: (step ii) a step of reacting a compound of the formula (2) with a compound of the formula (3) in the presence of a base to produce the compound of the formula (4), and a process for producing a compound of the formula (5), comprising the following step iii: (step iii) a step of reacting the compound of the formula (4) with hydrogen peroxide in the presence of a metal catalyst to produce the compound of the formula (5).
    Type: Application
    Filed: October 30, 2020
    Publication date: January 12, 2023
    Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventors: Yukio Uchida, Naoya Atsumi, Shinki Tani, Koji Okada, Yuta Murai, Arnott Caoimhin
  • Publication number: 20220386613
    Abstract: The present invention is aimed at providing a weed control method and a mixed agrochemical composition for soil treatment, which, in a soil treatment of farmland with pyroxasulfone, not only can inhibit or reduce crop injury caused by absorption into cultivated crops, without being influenced by heavy rainfall, soil type, seeding depth and the like, but also are effective against a wide range of weed species. The weed control method includes a soil treatment step of performing a soil treatment on farmland with an agrochemical composition for soil treatment, which contains pyroxasulfone, and with a protoporphyrinogen oxidase inhibitor, simultaneously or sequentially, the method being characterized in that the agrochemical composition for soil treatment further contains a masking substance that masks the pyroxasulfone, and the pyroxasulfone is microencapsulated in or coated with the masking substance.
    Type: Application
    Filed: October 21, 2020
    Publication date: December 8, 2022
    Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventor: Takaya SUZUKI
  • Publication number: 20220369640
    Abstract: The present invention is aimed at providing: an agrochemical composition for soil treatment which, in a soil treatment of farmland with pyroxasulfone, not only can inhibit or reduce crop injury caused by absorption into cultivated crops, without being influenced by heavy rainfall, soil type, seeding depth and the like, but also is highly safe and has a broad herbicidal spectrum; and a pest control method using the agrochemical composition. The agrochemical composition for soil treatment contains pyroxasulfone and a masking substance that masks the pyroxasulfone, in which the pyroxasulfone is microencapsulated in or coated with the masking substance.
    Type: Application
    Filed: October 21, 2020
    Publication date: November 24, 2022
    Applicant: KUMIAI CHEMICAL INDUSTRY CO., LTD.
    Inventor: Takaya SUZUKI
  • Patent number: 11492334
    Abstract: A method for producing a nitroso compound of the following formula (3), comprising reacting a compound of the following formula (1) with a compound of the following formula (2) by using a tertiary alcohol and a base. wherein R1, R2, R3, R4, R5, R6, R7, R8, and R9 are each independently a hydrogen atom, a halogen atom, a (C1-C4) alkyl, or a (C1-C4) alkoxy.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: November 8, 2022
    Assignee: Kumiai Chemical Industry Co., Ltd.
    Inventors: Ryuji Tamai, Yukio Uchida, Fumiaki Takabe, Akira Kato, Ryo Maruyama, Ryo Kobayashi