Patents by Inventor Christopher Victor Keen

Christopher Victor Keen 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).

  • Chemical compositions
    Patent number: 6060544
    Abstract: A multi-pack system which comprises two or more components which react together to form a thermosetting resin characterised in that one of the components contains up to 0.01% by weight of a pH indicator.
    Type: Grant
    Filed: March 18, 1998
    Date of Patent: May 9, 2000
    Assignee: Ciba Specialty Chemicals Corp.
    Inventor: Christopher Victor Keen