Patents by Inventor Chun Chau Chan

Chun Chau Chan 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).

  • Epoxidation process with concentrated ethylene oxide solutions
    Patent number: 10836738
    Abstract: An improved process for the recovery of ethylene oxide from the aqueous scrubbing solution in which the ethylene oxide is recovered into a vaporous stream highly enriched in ethylene oxide.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: November 17, 2020
    Assignee: Scientific Design Company, Inc.
    Inventors: Chun Chau Chan, Eunice Yamada, Barry Jay Billig
  • Process for preparing ethylene glycol
    Patent number: 10807929
    Abstract: An improved catalytic hydration process that includes a catalytic hydration reaction section containing adiabatic reactors with ion exchange resin catalyst and which maintains low resin swelling and excellent selectivity while also reducing process complexity and increasing versatility.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: October 20, 2020
    Assignee: Scientific Design Company, Inc.
    Inventors: Chun Chau Chan, Eunice Yamada, Barry Jay Billig, Shaun McGovern
  • Recirculating process for preparing ethylene glycol
    Patent number: 10807928
    Abstract: An improved catalytic hydration process that includes a catalytic hydration reaction section containing adiabatic reactors with ion exchange resin catalyst and which maintains low resin swelling and excellent selectivity while also reducing process complexity and increasing versatility.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: October 20, 2020
    Assignee: Scientific Design Company, Inc.
    Inventors: Shaun McGovern, Eunice Yamada, Barry Jay Billig, Chun Chau Chan
  • PROCESS FOR PREPARING ETHYLENE GLYCOL
    Publication number: 20190330134
    Abstract: An improved catalytic hydration process that includes a catalytic hydration reaction section containing adiabatic reactors with ion exchange resin catalyst and which maintains low resin swelling and excellent selectivity while also reducing process complexity and increasing versatility.
    Type: Application
    Filed: April 30, 2019
    Publication date: October 31, 2019
    Applicant: Scientific Design Company, Inc.
    Inventors: Chun Chau Chan, Eunice Yamada, Barry Jay Billig, Shaun McGovern
  • EPOXIDATION PROCESS WITH CONCENTRATED ETHYLENE OXIDE SOLUTIONS
    Publication number: 20190330170
    Abstract: An improved process for the recovery of ethylene oxide from the aqueous scrubbing solution in which the ethylene oxide is recovered into a vaporous stream highly enriched in ethylene oxide.
    Type: Application
    Filed: April 30, 2019
    Publication date: October 31, 2019
    Applicant: Scientific Design Company, Inc.
    Inventors: Chun Chau Chan, Eunice Yamada, Barry Jay Billig
  • RECIRCULATING PROCESS FOR PREPARING ETHYLENE GLYCOL
    Publication number: 20190330133
    Abstract: An improved catalytic hydration process that includes a catalytic hydration reaction section containing adiabatic reactors with ion exchange resin catalyst and which maintains low resin swelling and excellent selectivity while also reducing process complexity and increasing versatility.
    Type: Application
    Filed: April 30, 2019
    Publication date: October 31, 2019
    Applicant: Scientific Design Company, Inc.
    Inventors: Shaun McGovern, Eunice Yamada, Barry Jay Billig, Chun Chau Chan