Patents by Inventor Rachel F. Rothwell

Rachel F. Rothwell 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: 6337116
    Abstract: Disclosed is a multi-layer composite body comprising a flexible auxiliary support and separating layer disposed on at least one side of the auxiliary support, which modifies the complete separation or the locally determined detachment of a functional layer which is in the superficial contact thereto. Said body is characterized in that the separating layer contains a continuous phase and a particle-like filling material in a concentration of approximately 0.01 to 50 wt. % with respect to the separating layer wherein the surface of the filling particles is completely covered by the continuous phase, the continuous phase contains reticulated polyorganosiloxane and the surface of the separation layer that lies opposite to the auxiliary support has a surface roughness of approximately 400 to 50,000 nm and a mean roughness value of approximately 40 to 5,000 nm.
    Type: Grant
    Filed: July 16, 1999
    Date of Patent: January 8, 2002
    Assignee: Pelikan Scotland Limited
    Inventors: Ian W. Hogarth, Robert I. Wilkinson, Rachel F. Rothwell