Patents by Inventor David A. Colon

David A. Colon 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: 6069265
    Abstract: The present invention relates to a process for synthesizing novel intermediates of formula III: ##STR1## wherein R.sup.1 is a halogen. The intermediate compounds described herein are useful for the preparation of carbapenem compounds.
    Type: Grant
    Filed: August 19, 1999
    Date of Patent: May 30, 2000
    Assignee: Merck & Co., Inc.
    Inventors: Mark S. Jensen, Chunhua Yang, Nobuyoshi Yasuda, David A. Colon, Yi Xiao