Patents by Inventor Kwok Yi Lin

Kwok Yi Lin 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).

  • Treatment of fabrics
    Patent number: 6454814
    Abstract: A method of treating a fabric including cellulose fiber to increase water absorption and hydrophilicity by graft polymerisation. The method includes pre-treating the fabric in a solution of an inhibitor for about one hour, and washing the fabric to remove excess inhibitor solution. The fabric is placed in a grafting solution of a hydrophilic monomer for about three hours, washed in methanol, and decrystallized in a solution of zinc chloride for about one hour. The decrystallised fabric is then treated in a solution of sodium hydroxide at 50° C. for about one hour.
    Type: Grant
    Filed: September 19, 2000
    Date of Patent: September 24, 2002
    Assignee: Hong Kong Polytechnic University
    Inventors: Weilin Xu, Yi Li, Kwok Wing Yeung, Kwok Yi Lin