Patents by Inventor Dong-Whee Kim

Dong-Whee Kim 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 the production of 2-methoxy-3,6-dichlorobenzoic acid
    Patent number: 4161611
    Abstract: This invention discloses a process for the production of 2-methoxy-3,6-dichlorobenzoic acid which comprises reacting 2-amino-3,6-dichlorobenzoic acid with nitrous acid to form the corresponding diazonium salt, hydrolyzing the diazonium salt to form 2-hydroxy-3,6-dichlorobenzoic acid and methylating said hydroxy acid.
    Type: Grant
    Filed: January 9, 1978
    Date of Patent: July 17, 1979
    Assignee: Veesicol Chemical Corporation
    Inventor: Dong-Whee Kim