Patents by Inventor Woog Y. Lee

Woog Y. Lee 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 hydrophilic polymer films and apparatus thereof
    Patent number: 5403626
    Abstract: A process for preparing a hydrophilic polymer film comprising coating a photopolymerization solution which comprises a hydrophilic monomer of lower water swelling ability and a UV stabilizer, on the film surface pre-treated with high frequency, and photopolymerizing the solution so as to improve the hydrophilic property, climate-resistability, and blocking property of the polymer film.
    Type: Grant
    Filed: September 29, 1993
    Date of Patent: April 4, 1995
    Assignee: Sam Yang Co., Limited
    Inventors: Young H. Kim, Jae W. Kim, Jeong W. An, Woog Y. Lee
  • Process for preparing hydrophilic polymer film and apparatus thereof
    Patent number: 5275663
    Abstract: An apparatus for coating a hydrophilic film which includes a light reaction chamber having UV lamps on either side of the film, two cooling fans and a solvent deflation fan. There are also an air drying plates and coating nozzles.
    Type: Grant
    Filed: September 27, 1991
    Date of Patent: January 4, 1994
    Assignee: Sam Yang Co., Ltd.
    Inventors: Young H. Kim, Jae W. Kim, Jeong W. An, Woog Y. Lee