Patents by Inventor Di-Yi (John) Ou

Di-Yi (John) Ou 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).

  • Removal of benzene from organic streams using cyclodextrins
    Patent number: 6232518
    Abstract: A method for separating benzene from a hydrocarbon mixture containing benzene and at least one other organic material is carried out by treating the hydrocarbon mixture with at least one cyclodextrin to form complexes of the cyclodextrin with at least a portion of the benzene present in the hydrocarbon mixture. The cyclodextrin-benzene complexes then are separated from the hydrocarbon mixture.
    Type: Grant
    Filed: July 3, 1997
    Date of Patent: May 15, 2001
    Assignee: Exxon Mobil Chemical Patents Inc.
    Inventor: Di-Yi (John) Ou
  • Sulfur and thiol removal from reactive hydrocarbons
    Patent number: 5866749
    Abstract: Sulfur and mercaptans in reactive hydrocarbon streams are removed by contacting the hydrocarbons at mild temperatures with a hydrogen reduced metal oxide such as a hydrogen reduced copper, zinc and/or aluminum oxide.
    Type: Grant
    Filed: January 22, 1997
    Date of Patent: February 2, 1999
    Assignee: Exxon Chemical Patents Inc.
    Inventor: Di-Yi (John) Ou