Patents by Inventor So-Jeong Yoon

So-Jeong Yoon 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).

  • Hair treatment composition, hair treatment agent and method for treating hair by using the same
    Publication number: 20080159975
    Abstract: The present invention provides a hair treatment composition comprising a multi-arm polyethylene glycol derivative (A) that contains two or more functional groups that may be covalently bound to amines, a hair treatment agent comprising the composition, and a method for using the same. Optionally, the composition may further comprise a polyethylene glycol derivative (B), a biocompatible polymer (C), or both, wherein the derivative (B) and polymer (C) each contains one or more functional groups that may react with the functional groups of the derivative (A).
    Type: Application
    Filed: June 28, 2007
    Publication date: July 3, 2008
    Applicant: SUNBIO, INC.
    Inventors: Kwang Nho, Chang-Min Hyun, Gun-Won Bae, So-Jeong Yoon, Min-Jung Ahn