Patents by Inventor Worawut TAMTHAISONG

Worawut TAMTHAISONG 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: 10427994
    Abstract: Process for the distillative separation of ethylbenzene from a mixture comprising ethylbenzene and at least one other C8 aromatic compound, comprising distilling said mixture in a distillation column in the presence of an extractive solvent, characterized in that the distillation column is operated at a sub-atmospheric pressure.
    Type: Grant
    Filed: September 5, 2014
    Date of Patent: October 1, 2019
    Assignees: SCG CHEMICALS CO., LTD., GTC TECHNOLOGY US, LLC
    Inventors: Attapong Thirasak, Alisa Kammafoo, Wiroon Tanthapanichakoon, Zhongyi Ding, Sachin Joshi, Arnat Prombunglum, Worawut Tamthaisong, Purachet Pitipuech
  • Publication number: 20170240489
    Abstract: Process for the distillative separation of ethylbenzene from a mixture comprising ethylbenzene and at least one other C8 aromatic compound, comprising distilling said mixture in a distillation column in the presence of an extractive solvent, characterized in that the distillation column is operated at a sub-atmospheric pressure.
    Type: Application
    Filed: September 5, 2014
    Publication date: August 24, 2017
    Inventors: Attapong THIRASAK, Alisa KAMMAFOO, Wiroon TANTHAPANICHAKOON, Zhongyi DING, Sachin JOSHI, Arnat PROMBUNGLUM, Worawut TAMTHAISONG, Purachet PITIPUECH