Patents by Inventor Ho Teon Hau

Ho Teon Hau 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).

  • Thin-walled natural rubber latex material substantially free of sulfur and nitrosamines, and method of making same
    Patent number: 6383552
    Abstract: A thin walled rubber latex material is disclosed suitable for forming gloves, and the like. A thin walled material is formed using sulfur-free, oxygen-donating curing agents such as butyl peroxides, alkyl peroxides and peroxyesters so that the material is not chemically reactive with other substances that may be contacted by the material during subsequent use of same. The material is also formed using non-amine antioxidants so that it is substantially free of nitrosamines, and the material is also provided with a heat resistant and water resistant coating which blocks transfer of latex proteins from the material to persons who contact the materials over prolonged periods of time.
    Type: Grant
    Filed: August 30, 1995
    Date of Patent: May 7, 2002
    Inventors: Audra Noecker, Ho Teon Hau