Patents by Inventor Ian Guilland Carson

Ian Guilland Carson 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).

  • Poly (trimethylene terephthalate) based spunbonded nonwovens
    Publication number: 20030124941
    Abstract: This invention is a spunbonded nonwoven material which is formed of polytrimethylene terephthalate (PTT). This material may be a microfiber material which is 1 dpf or less in fiber diameter. This nonwoven material is unique in that it has a hydrostatic head of no more than 10 cm, preferably no more than 5 cm.
    Type: Application
    Filed: November 1, 2002
    Publication date: July 3, 2003
    Inventors: Charles Chiu-Hsiung Hwo, Dong Zhang, Christine Qin Sun, Ian Guilland Carson