Patents by Inventor William Bos

William Bos 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).

  • Ophthalmic lenses
    Patent number: 6673276
    Abstract: The present invention relates to the use of metal organic compounds in a process for providing a moulded plastic article comprising the step of polymerization casting of a curable composition comprising one or more polymerizable molecules or compounds or compositions in the presence of a mould release agent, which in turn comprises a metal organic compound, complexes and/or salts thereof. Such use leads to less surface defects of the moulded article and lower mould damage.
    Type: Grant
    Filed: January 26, 2001
    Date of Patent: January 6, 2004
    Assignee: Great Lakes Chemical Corporation
    Inventors: William Bos, Ricardo Henry Breeveld