Patents by Inventor Naoya MINAMOTO

Naoya MINAMOTO 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 hydrocarbon production, purification method, and purifier
    Patent number: 11840669
    Abstract: The present invention relates to a method for producing a hydrocarbon, including a step (Y) of converting a reaction product of at least one sulfur compound selected from the group consisting of hydrogen sulfide and a compound containing a —SH group which are contained in a hydrocarbon with an ?,?-unsaturated aldehyde compound into a water-soluble compound in the presence of water, and a step (Z) of separating oil and water.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: December 12, 2023
    Assignee: KURARAY CO., LTD.
    Inventors: Naoya Minamoto, Katsuji Ujita, Takuo Tsuruta
  • Composition for removing sulfur-containing compounds
    Patent number: 11795404
    Abstract: Provided is a composition for removing a sulfur-containing compound contained in at least one of a liquid and gas, the sulfur-containing compound being at least one selected from the group consisting of hydrogen sulfide and an —SH group-containing compound, the composition containing an aldehyde and an amine whose conjugate acid has a pKa value of 11.3 or higher in water at 25° C.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: October 24, 2023
    Assignee: KURARAY CO., LTD.
    Inventors: Naoya Minamoto, Yuusuke Saitou, Takuo Tsuruta
  • Method for producing 1-acyloxy-2-methyl-2-propene
    Patent number: 11643382
    Abstract: A method for producing a 1-acyloxy-2-methyl-2-propene represented by the following general formula (II), including reacting a carboxylic acid represented by the following general formula (I), isobutylene, and oxygen, in the presence of a catalyst, in a liquid phase, with an amount of the isobutylene used of more than 1 mol and 50 mol or less per 1 mol of the carboxylic acid.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: May 9, 2023
    Assignee: KURARAY CO., LTD.
    Inventors: Naoya Minamoto, Yusuke Murata
  • Method for producing 1,3-bisacyloxy-2-methylene propane
    Patent number: 11384045
    Abstract: A method for producing a 1,3-bisacyloxy-2-methylenepropane represented by the following general formula (II), including reacting a carboxylic acid represented by the following general formula (I), isobutylene, and oxygen, in a liquid phase, in the presence of a catalyst containing a carrier having carried thereon palladium and a transition metal of Group 11 in the periodic table, and a catalyst activator.
    Type: Grant
    Filed: July 24, 2019
    Date of Patent: July 12, 2022
    Assignee: KURARAY CO., LTD.
    Inventors: Naoya Minamoto, Yusuke Murata
  • METHOD FOR HYDROCARBON PRODUCTION, PURIFICATION METHOD, AND PURIFIER
    Publication number: 20220041942
    Abstract: The present invention relates to a method for producing a hydrocarbon, including a step (Y) of converting a reaction product of at least one sulfur compound selected from the group consisting of hydrogen sulfide and a compound containing a —SH group which are contained in a hydrocarbon with an ?,?-unsaturated aldehyde compound into a water-soluble compound in the presence of water, and a step (Z) of separating oil and water.
    Type: Application
    Filed: November 6, 2019
    Publication date: February 10, 2022
    Applicant: KURARAY CO., LTD.
    Inventors: Naoya MINAMOTO, Katsuji UJITA, Takuo TSURUTA
  • METHOD FOR PRODUCING 1,3-BISACYLOXY-2-METHYLENE PROPANE
    Publication number: 20210347721
    Abstract: A method for producing a 1,3-bisacyloxy-2-methylenepropane represented by the following general formula (II), including reacting a carboxylic acid represented by the following general formula (I), isobutylene, and oxygen, in a liquid phase, in the presence of a catalyst containing a carrier having carried thereon palladium and a transition metal of Group 11 in the periodic table, and a catalyst activator.
    Type: Application
    Filed: July 24, 2019
    Publication date: November 11, 2021
    Applicant: KURARAY CO., LTD.
    Inventors: Naoya MINAMOTO, Yusuke MURATA
  • METHOD FOR PRODUCING 1-ACYLOXY-2-METHYL-2-PROPENE
    Publication number: 20210292268
    Abstract: A method for producing a 1-acyloxy-2-methyl-2-propene represented by the following general formula (II), including reacting a carboxylic acid represented by the following general formula (I), isobutylene, and oxygen, in the presence of a catalyst, in a liquid phase, with an amount of the isobutylene used of more than 1 mol and 50 mol or less per 1 mol of the carboxylic acid.
    Type: Application
    Filed: July 24, 2019
    Publication date: September 23, 2021
    Applicant: KURARAY CO., LTD.
    Inventors: Naoya MINAMOTO, Yusuke MURATA
  • COMPOSITION FOR REMOVING SULFUR-CONTAINING COMPOUNDS
    Publication number: 20210032548
    Abstract: Provided is a composition for removing a sulfur-containing compound contained in at least one of a liquid and gas, the sulfur-containing compound being at least one selected from the group consisting of hydrogen sulfide and an —SH group-containing compound, the composition containing an aldehyde and an amine whose conjugate acid has a pKa value of 11.3 or higher in water at 25° C.
    Type: Application
    Filed: February 20, 2019
    Publication date: February 4, 2021
    Applicant: KURARAY CO., LTD.
    Inventors: Naoya MINAMOTO, Yuusuke SAITOU, Takuo TSURUTA
  • Method for producing bis-acyloxylated exomethylene compound
    Patent number: 10843998
    Abstract: A method of producing a bis-acyloxylated exomethylene compound represented by general formula (III), including reacting a monoacyloxylated exomethylene compound represented by general formula (I), a carboxylic acid represented by general formula (II), and oxygen in a liquid phase in the presence of a catalyst and optionally a solvent:
    Type: Grant
    Filed: July 23, 2018
    Date of Patent: November 24, 2020
    Assignee: KURARAY CO., LTD.
    Inventors: Yusuke Murata, Naoya Minamoto, Mitsumasa Kaneko, Ryosuke Shimizu
  • METHOD FOR PRODUCING BIS-ACYLOXYLATED EXOMETHYLENE COMPOUND
    Publication number: 20200283367
    Abstract: A method of producing a bis-acyloxylated exomethylene compound represented by general formula (III), including reacting a monoacyloxylated exomethylene compound represented by general formula (I), a carboxylic acid represented by general formula (II), and oxygen in a liquid phase in the presence of a catalyst and optionally a solvent:
    Type: Application
    Filed: July 23, 2018
    Publication date: September 10, 2020
    Applicant: KURARAY CO., LTD.
    Inventors: Yusuke MURATA, Naoya MINAMOTO, Mitsumasa KANEKO, Ryosuke SHIMIZU
  • Method of producing dialdehyde compound
    Patent number: 10479750
    Abstract: A method of producing 1,5-pentanedial having an alkyl group at the 3-position, including a step of hydroformylating an aldehyde compound represented by the following general formula (1): wherein R1 represents an alkyl group having from 1 to 6 carbon atoms.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: November 19, 2019
    Assignee: KURARAY CO., LTD.
    Inventors: Takuo Tsuruta, Naoya Minamoto, Toshihiro Omatsu
  • METHOD OF PRODUCING DIALDEHYDE COMPOUND
    Publication number: 20190023636
    Abstract: A method of producing 1,5-pentanedial having an alkyl group at the 3-position, including a step of hydroformylating an aldehyde compound represented by the following general formula (1): wherein R1 represents an alkyl group having from 1 to 6 carbon atoms.
    Type: Application
    Filed: February 23, 2017
    Publication date: January 24, 2019
    Applicant: KURARAY CO., LTD.
    Inventors: Takuo TSURUTA, Naoya MINAMOTO, Toshihiro OMATSU
  • Method for producing aldehyde compound, and acetal compound
    Patent number: 10040743
    Abstract: Provided are a method for producing 3-methylglutaraldehyde in a good yield under a mild condition and a novel acetal compound which is useful for carrying out the foregoing method. The method is a production method of 3-methylglutaraldehyde including a step of hydrolyzing a compound represented by the following general formula (1): wherein R1 and R2 each independently represent an alkyl group having 1 to 6 carbon atoms, or are mutually coupled to represent an alkylene group having 2 to 6 carbon atoms.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: August 7, 2018
    Assignee: KURARAY CO., LTD.
    Inventors: Takuo Tsuruta, Ryosuke Shimizu, Takahiro Hosono, Naoya Minamoto
  • METHOD FOR PRODUCING ALDEHYDE COMPOUND, AND ACETAL COMPOUND
    Publication number: 20170369411
    Abstract: Provided are a method for producing 3-methylglutaraldehyde in a good yield under a mild condition and a novel acetal compound which is useful for carrying out the foregoing method. The method is a production method of 3-methylglutaraldehyde including a step of hydrolyzing a compound represented by the following general formula (1): wherein R1 and R2 each independently represent an alkyl group having 1 to 6 carbon atoms, or are mutually coupled to represent an alkylene group having 2 to 6 carbon atoms.
    Type: Application
    Filed: December 17, 2015
    Publication date: December 28, 2017
    Applicant: KURARAY CO., LTD.
    Inventors: Takuo TSURUTA, Ryosuke SHIMIZU, Takahiro HOSONO, Naoya MINAMOTO