Patents by Inventor Nahm Cho

Nahm Cho 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).

  • Method for preparing (s)-indoline-2-carboxylic acid and (s)-indoline-2-carboxylic acid methyl ester using hydrolytic enzyme
    Publication number: 20070077632
    Abstract: Disclosed is a method for preparing (S)-indoline-2-carboxylic acid and (S)-indoline-2-carboxylic acid methyl ester using an inexpensive industrially available enzyme capable of assuring superior optical purity and yield. At this time, the hydrolytic enzyme is selected from the group consisting of Savinase, Alcalase, Novozym 243, Everlase, Esperase, Protease 7 and Acylase, whereby (S)-indoline-2-carboxylic acid and methyl ester thereof having an optical purity of at least 99% e.e. can be obtained through a simplified preparation process, thus generating economic benefits.
    Type: Application
    Filed: November 3, 2004
    Publication date: April 5, 2007
    Applicant: SK CORPORATION
    Inventors: Nahm Cho, Jong Lim, Jong Kim