Patents by Inventor Ravindra Radhakisan Tupe

Ravindra Radhakisan Tupe 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: 8815769
    Abstract: A process for conditioning a high efficiency silver catalyst used to manufacture ethylene oxide from ethylene, oxygen, and at least one organic chloride is described. A non-reactive conditioning gas comprising at least one of ethylene, oxygen, and a ballast gas is introduced to the catalyst at a conditioning temperature ranging from 150° C. to 180° C. for a selected period of at least 4 hours.
    Type: Grant
    Filed: April 3, 2012
    Date of Patent: August 26, 2014
    Assignee: Dow Technology Investments LLC
    Inventors: Liping Zhang, Ravindra Radhakisan Tupe, Ailene Gardner Phillips, Paul Victor Hinman, Hwaili Soo
  • Publication number: 20140012022
    Abstract: A process for conditioning a high efficiency silver catalyst used to manufacture ethylene oxide from ethylene, oxygen, and at least one organic chloride is described. A non-reactive conditioning gas comprising at least one of ethylene, oxygen, and a ballast gas is introduced to the catalyst at a conditioning temperature ranging from 150° C. to 180° C. for a selected period of at least 4 hours.
    Type: Application
    Filed: April 3, 2012
    Publication date: January 9, 2014
    Applicant: Dow Technology Investments LLC
    Inventors: Liping Zhang, Ravindra Radhakisan Tupe, Ailene Gardner Phillips, Paul Victor Hinman, Hwaili Soo