Patents by Inventor Chunghi H. Park

Chunghi H. Park 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).

  • Paper machine clothing
    Patent number: 5316833
    Abstract: This invention relates to paper machine clothing and has particular reference to paper machine clothing suitable for use in the forming, presing and drying sections of a papermakng machine and comprises a monofilament and/or staple fibre in which themonofilament or staple fibre comprises a polyamide material which has been subjected to a treatment with an aqueous solution of aldehyde in the presence of a catalyst to effect partial cross-linking of the polyamide to provide a gel content thereof within the range of 0.1-75%.
    Type: Grant
    Filed: December 18, 1992
    Date of Patent: May 31, 1994
    Assignee: Albany International Corp.
    Inventors: Robert B. Davis, Charles E. Kramer, John P. Rooney, Jr., Chunghi H. Park, Dana B. Eagles, Joseph G. O'Connor, Chian-Hsiang Lin, Kathleen A. Tabis, Maryann C. Kenney, Jeffrey A. Emond
  • Chlorosulfonated polysulfones and derivatives thereof
    Patent number: 4414368
    Abstract: Polysulfone sulfonyl chlorides are described, which are useful as intermediates in the preparation of novel polysulfone sulfonamides.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: November 8, 1983
    Assignee: Albany International Corp.
    Inventors: Myron J. Coplan, Chunghi H. Park, Samuel C. Williams