Patents by Inventor Yong Rag CHOI

Yong Rag CHOI 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).

  • Publication number: 20220410035
    Abstract: The invention relates to a new process for the purification of oligonucleotides which comprises the removal of an acid labile 5?hydroxy protecting group at the 5?-O-oligonucleotide terminus of the oligonucleotide by means of an on-column de-protection with an acid.
    Type: Application
    Filed: January 6, 2022
    Publication date: December 29, 2022
    Applicant: Hoffmann-La Roche Inc.
    Inventors: Yong Rag CHOI, Younggoo KANG, Sung Won KIM, Kyeong Eun JUNG, Pascal SCHMIDT