Patents by Inventor Hua Tsung Chiu

Hua Tsung Chiu 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).

  • Article holding bag of non-woven fabric and a method for making the same
    Patent number: 5667307
    Abstract: A method for making an article holding bag of a non-woven fabric material involves impregnating the non-woven fabric material in an aqueous solution containing 25-80% by weight of water and 75-20% by weight of a resin mixture composed of polyacrylic acid and polyurethane in a weight ratio ranging between 2:1 and 1:4. Thereafter, the impregnated non-woven fabric is removed and dried by baking. The dried non-woven fabric is laminated and is then subject to a high frequency plastic welding to make the article holding bag.
    Type: Grant
    Filed: March 18, 1996
    Date of Patent: September 16, 1997
    Inventor: Hua Tsung Chiu