Patents by Inventor Tomohiko Inui

Tomohiko Inui 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).

  • Method for producing triazole compound
    Patent number: 10562885
    Abstract: A compound represented by formula (5) can be produced by simultaneously and separately adding a compound represented by formula (4) and methanesulfonyl chloride to a compound represented by formula (3) and a compound represented by formula (6) having excellent control efficacies against pests can be produced by subjecting the compound represented by formula (5) to intramolecular condensation in the presence of an acid.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: February 18, 2020
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tomohiko Inui, Masaya Tanimoto
  • METHOD FOR PRODUCING TRIAZOLE COMPOUND
    Publication number: 20200017468
    Abstract: A compound represented by formula (5) can be produced by simultaneously and separately adding a compound represented by formula (4) and methanesulfonyl chloride to a compound represented by formula (3) and a compound represented by formula (6) having excellent control efficacies against pests can be produced by subjecting the compound represented by formula (5) to intramolecular condensation in the presence of an acid.
    Type: Application
    Filed: February 21, 2018
    Publication date: January 16, 2020
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tomohiko INUI, Masaya TANIMOTO
  • Method for producing (R)-1,1,3-trimethyl-4-aminoindane
    Patent number: 9765032
    Abstract: A method for producing (R)-1,1,3-trimethyl-4-aminoindane includes the following steps (A), (B), and (C). Step (A) is a step of optically resolving 1,1,3-trimethyl-4-aminoindane to obtain (R)-1,1,3-trimethyl-4-aminoindane and (S)-1,1,3-trimethyl-4-aminoindane, step (B) is a step of racemizing the (S)-1,1,3-trimethyl-4-aminoindane obtained in the step (A) or (C) to obtain 1,1,3-trimethyl-4-aminoindane, and step (C) is a step of optically resolving the 1,1,3-trimethyl-4-aminoindane obtained in the step (B) to obtain (R)-1,1,3-trimethyl-4-aminoindane and (S)-1,1,3-trimethyl-4-aminoindane.
    Type: Grant
    Filed: December 26, 2014
    Date of Patent: September 19, 2017
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tadafumi Matsunaga, Natsuru Hiraguri, Tomoaki Takahashi, Tomohiko Inui, Masaya Tanimoto
  • METHOD FOR PRODUCING (R)-1,1,3-TRIMETHYL-4-AMINOINDANE
    Publication number: 20170166532
    Abstract: A method for producing (R)-1,1,3-trimethyl-4-aminoindane includes the following steps (A), (B), and (C). Step (A) is a step of optically resolving 1,1,3-trimethyl-4-aminoindane to obtain (R)-1,1,3-trimethyl-4-aminoindane and (S)-1,1,3-trimethyl-4-aminoindane, step (B) is a step of racemizing the (S)-1,1,3-trimethyl-4-aminoindane obtained in the step (A) or (C) to obtain 1,1,3-trimethyl-4-aminoindane, and step (C) is a step of optically resolving the 1,1,3-trimethyl-4-aminoindane obtained in the step (B) to obtain (R)-1,1,3-trimethyl-4-aminoindane and (S)-1,1,3-trimethyl-4-aminoindane.
    Type: Application
    Filed: December 26, 2014
    Publication date: June 15, 2017
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Tadafumi MATSUNAGA, Natsuru HIRAGURI, Tomoaki TAKAHASHI, Tomohiko INUI, Masaya TANIMOTO
  • Method for producing (R)-1, 1, 3-trimethyl-4-aminoindane
    Patent number: 9227911
    Abstract: A method for producing a methanol solvate of D-tartrate of (R)-1,1,3-trimethyl-4-aminoindane, the method comprising steps (a), (b), and (c) below, and comprising adding water to a reaction system before step (c): step (a) of mixing 1,1,3-trimethyl-4-aminoindane, D-tartaric acid, and methanol to provide a mixture containing a methanol solvate of D-tartrate of (R)-1,1,3-trimethyl-4-aminoindane; step (b) of cooling the obtained mixture; and step (c) of retrieving the methanol solvate of D-tartrate of (R)-1,1,3-trimethyl-4-aminoindane.
    Type: Grant
    Filed: August 28, 2013
    Date of Patent: January 5, 2016
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Satoru Ujita, Tsutomu Matsumoto, Tomohiko Inui
  • METHOD FOR PRODUCING (R)-1, 1, 3-TRIMETHYL-4-AMINOINDANE
    Publication number: 20150203438
    Abstract: A method for producing a methanol solvate of D-tartrate of (R)-1,1,3-trimethyl-4-aminoindane, the method comprising steps (a), (b), and (c) below, and comprising adding water to a reaction system before step (c): step (a) of mixing 1,1,3-trimethyl-4-aminoindane, D-tartaric acid, and methanol to provide a mixture containing a methanol solvate of D-tartrate of (R)-1,1,3-trimethyl-4-aminoindane; step (b) of cooling the obtained mixture; and step (c) of retrieving the methanol solvate of D-tartrate of (R)-1,1,3-trimethyl-4-aminoindane.
    Type: Application
    Filed: August 28, 2013
    Publication date: July 23, 2015
    Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Satoru Ujita, Tsutomu Matsumoto, Tomohiko Inui