Patents by Inventor Drew Athans

Drew Athans 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).

  • Patent number: 9323149
    Abstract: The present disclosure relates to novel methanofullerene derivatives, negative-type photoresist compositions prepared therefrom and methods of using them. The derivatives, their photoresist compositions and the methods are ideal for fine pattern processing using, for example, ultraviolet radiation, beyond extreme ultraviolet radiation, extreme ultraviolet radiation, X-rays and charged particle rays. Negative photosensitive compositions are also disclosed.
    Type: Grant
    Filed: February 24, 2014
    Date of Patent: April 26, 2016
    Assignee: IRRESISTIBLE MATERIALS LTD
    Inventors: Alex Philip Graham Robinson, Jon Andrew Preece, Richard Edward Palmer, Andreas Frommhold, Dongxu Yang, Alexandra McClelland, Drew Athans, Xiang Xue
  • Publication number: 20140255849
    Abstract: The present disclosure relates to novel methanofullerene derivatives, negative-type photoresist compositions prepared therefrom and methods of using them. The derivatives, their photoresist compositions and the methods are ideal for fine pattern processing using, for example, ultraviolet radiation, beyond extreme ultraviolet radiation, extreme ultraviolet radiation, X-rays and charged particle rays. Negative photosensitive compositions are also disclosed.
    Type: Application
    Filed: February 24, 2014
    Publication date: September 11, 2014
    Inventors: Alex Philip Graham Robinson, Jon Andrew Preece, Richard Edward Palmer, Andreas Frommhold, Dongxu Yang, Alexandra McClelland, Drew Athans, Xiang Xue