Patents by Inventor Dinesh Kumar MISHRA

Dinesh Kumar MISHRA 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).

  • Patent number: 10947209
    Abstract: An embodiment of the present invention provides a method of preparing 2,5-furandimethylcarboxylate (FDMC), including preparing 2,5-furandimethylcarboxylate (FDMC) by subjecting a reaction mixture including 5-hydroxymethylfurfural (HMF), air, and an alcohol solvent to oxidative esterification in the presence of a gold (Au)-nanoparticle-supported catalyst, in which the gold (Au)-nanoparticle-supported catalyst includes a support and gold (Au) nanoparticles supported on the support.
    Type: Grant
    Filed: June 29, 2018
    Date of Patent: March 16, 2021
    Assignees: Korea Institute of Industrial Technology, SK CHEMICALS CO., LTD.
    Inventors: Yong Jin Kim, Dinesh Kumar Mishra, Jin Ku Cho, Yong Jin Yi, Han Seok Kim, Jong Ryang Kim
  • Patent number: 10661252
    Abstract: The present invention relates to a carboxylation catalyst, which catalyzes carboxylation of a furan-based compound containing a hydroxyl group and a carbonyl group or a derivative thereof to prepare 2,5-furandicarboxylic acid (FDCA), and is configured as a spinel support, and noble metal nanoparticles incorporated into the spinel support selected from the group consisting of MnCo2O4, CoMn2O4, and combinations thereof, and to a method of preparing 2,5-furandicarboxylic acid (FDCA), including providing a carboxylation catalyst configured such that noble metal nanoparticles are incorporated into a spinel support; and carboxylating a furan-based compound containing a hydroxyl group and a carbonyl group or a derivative thereof in the presence of the carboxylation catalyst.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: May 26, 2020
    Assignee: Korea Institute of Industrial Technology
    Inventors: Yong Jin Kim, Jin Ku Cho, Seung Han Shin, Hong Shik Lee, Dinesh Kumar Mishra
  • Publication number: 20200148658
    Abstract: An embodiment of the present invention provides a method of preparing 2,5-furandimethylcarboxylate (FDMC), including preparing 2,5-furandimethylcarboxylate (FDMC) by subjecting a reaction mixture including 5-hydroxymethylfurfural (HMF), air, and an alcohol solvent to oxidative esterification in the presence of a gold (Au)-nanoparticle-supported catalyst, in which the gold (Au)-nanoparticle-supported catalyst includes a support and gold (Au) nanoparticles supported on the support.
    Type: Application
    Filed: June 29, 2018
    Publication date: May 14, 2020
    Applicants: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY, SK CHEMICALS CO., LTD.
    Inventors: Yong Jin KIM, Dinesh Kumar MISHRA, Jin Ku CHO, Yong Jin YI, Han Seok KIM, Jong Ryang KIM
  • Publication number: 20190083960
    Abstract: The present invention relates to a catalyst for preparing 2,5-furandicarboxylic acid (FDCA), which is a catalyst for carboxylation of a furan-based compound containing a hydroxyl group and a carbonyl group or a derivative thereof and is configured such that noble metal nanoparticles are incorporated into a spinel-type support, and to a method of preparing 2,5-furandicarboxylic acid (FDCA), including carboxylating a furan-based compound containing a hydroxyl group and a carbonyl group or a derivative thereof in the presence of a catalyst configured such that noble metal nanoparticles are incorporated into a spinel-type support.
    Type: Application
    Filed: March 7, 2017
    Publication date: March 21, 2019
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Yong Jin KIM, Jin Ku CHO, Seung Han SHIN, Hong Shik LEE, Dinesh Kumar MISHRA