Patents by Inventor Chi H. Cheng

Chi H. Cheng 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).

  • Process for producing fluoroaromatic carboxylates
    Patent number: 6365773
    Abstract: This invention describes processes for producing halomagnesium fluoroaryl carboxylates. In one such process, a fluoroaryl Grignard reagent is added to an anhydrous liquid ethereal medium pretreated with carbon dioxide.
    Type: Grant
    Filed: June 13, 2000
    Date of Patent: April 2, 2002
    Assignee: Albemarle Corporation
    Inventors: Chi H. Cheng, Ronny W. Lin