Patents by Inventor Eite Drent

Eite Drent 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).

  • Publication number: 20150183703
    Abstract: The invention relates to a process for preparing a dicarboxylic acid comprising the steps: (a) heating a lactone in the presence of a first catalyst system to produce an alkenoic acid; and (b) contacting the alkenoic acid with carbon monoxide, water and a second catalyst system to produce a reaction composition comprising the second catalyst system and the dicarboxylic acid.
    Type: Application
    Filed: March 28, 2012
    Publication date: July 2, 2015
    Applicant: Agency for Science, Technology and Research
    Inventors: Pui Kwan Wong, Chuanzhao Li, Ludger Stubbs, Martin Van Meurs, Daniel Gait Anak Kumbang, Sharon Chun Yan Lim, Eite Drent