Patents by Inventor Suh-Wan Yang

Suh-Wan Yang 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 preparing N-[1- (S)-ethoxycarbonyl-3- phenylpropyl]-L-alanine derivatives
    Patent number: 5977380
    Abstract: A process for synthesizing N-[1-(S)-ethoxycarbonyl-3-phenylpropyl]-L-alanine derivatives of the following formula (I): ##STR1## in which the definition of R has the same meaning as given in the description by using a sulfite derivative to activate the C-terminus of the three dimensional structure of an amino acid of N-[1-(S)-ethoxycarbonyl-3- phenylpropyl]-L-alanine, which can effectively couple with another amino acid to form a dipeptide of formula (I). The compound of fomula (I) is an inhibitor of ACE.
    Type: Grant
    Filed: February 17, 1999
    Date of Patent: November 2, 1999
    Assignee: Everlight USA, Inc.
    Inventors: Suh-Wan Yang, Yu-An Chang, Yu-Liang Liu