Patents by Inventor Chee-Keong Then

Chee-Keong Then 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).

  • Hydrocarbon conversion process
    Patent number: 9266791
    Abstract: The invention relates to methods and equipment for converting C3+ olefin to, e.g., one or more of di-C3+ olefin, oligomers and polymers of C3+ olefin, branched C4+-aldehydes, C4+-carboxylic acids, and C4+ oxygenates. The invention encompasses producing methyl tert-butyl ether and diisobutylene, and converting methyl tert-butyl ether to isobutylene.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: February 23, 2016
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew B. Yarrison, Alok Srivastava, Roshni Jindal, Chee-Keong Then, Rodney S. Smith
  • Hydrocarbon conversion process
    Patent number: 9260357
    Abstract: The invention relates to methods and equipment for converting C3+ olefin to, e.g., one or more of di-C3+ olefin, oligomers and polymers of C3+ olefin, branched C4+-aldehydes, C4+-carboxylic acids, and C4+ oxygenates. The invention encompasses producing methyl tert-butyl ether and diisobutylene, and converting methyl tert-butyl ether to isobutylene.
    Type: Grant
    Filed: June 21, 2013
    Date of Patent: February 16, 2016
    Assignee: ExxonMobil Chemical Patents Inc.
    Inventors: Matthew B. Yarrison, Alok Srivastava, Roshni Jindal, Chee Keong Then, Rodney S. Smith
  • Hydrocarbon Conversion Process
    Publication number: 20150126699
    Abstract: The invention relates to methods and equipment for converting C3+ olefin to, e.g., one or more of di-C3+ olefin, oligomers and polymers of C3+ olefin, branched C4+-aldehydes, C4+-carboxylic acids, and C4+ oxygenates. The invention encompasses producing methyl tert-butyl ether and diisobutylene, and converting methyl tert-butyl ether to isobutylene.
    Type: Application
    Filed: June 21, 2013
    Publication date: May 7, 2015
    Inventors: Matthew B. Yarrison, Alok Srivastava, Roshni Jindal, Chee Keong Then, Rodney S. Smith
  • Hydrocarbon Conversion Process
    Publication number: 20140012054
    Abstract: The invention relates to methods and equipment for converting C3+ olefin to, e.g., one or more of di-C3+ olefin, oligomers and polymers of C3+ olefin, branched C4+-aldehydes, C4+-carboxylic acids, and C4+ oxygenates. The invention encompasses producing methyl tert-butyl ether and diisobutylene, and converting methyl tert-butyl ether to isobutylene.
    Type: Application
    Filed: June 21, 2013
    Publication date: January 9, 2014
    Inventors: Matthew B. Yarrison, Alok Srivastava, Roshni Jindal, Chee-Keong Then, Rodney S. Smith