Patents by Inventor Christine E. Butler

Christine E. Butler 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).

  • Treatment of archival material
    Patent number: 4808433
    Abstract: A process for the treatment of archival material such as books and other bound volumes. The treatment includes a radiation-induced polymerization within the paper of the archival material of at least one mono-unsaturated vinyl monomer, selected from the esters of acrylic acid and .alpha.-lower alkyl-substituted acrylic acids, and at least one multi-unsaturated vinyl monomer. The process, which is carried out in a substantially non-aqueous solvent-free system, may be used to improve the structure of paper as well as to provide some protection against past and future degradation of the paper.
    Type: Grant
    Filed: September 12, 1986
    Date of Patent: February 28, 1989
    Assignee: The British Library
    Inventors: Christopher C. Mollett, Christine E. Butler, Michael L. Burstall
  • Treatment of archival material
    Patent number: 4724158
    Abstract: A process for the treatment of archival material such as books and other bound volumes. The treatment includes a radiation-induced polymerization of at least one vinyl monomer within the paper of the archival material. The process, which is carried out in a substantially nonaqueous system, may be used to improve the structure of paper as well as to provide some protection against degradation of the paper.
    Type: Grant
    Filed: March 5, 1985
    Date of Patent: February 9, 1988
    Assignee: The British Library
    Inventors: Christopher C. Mollett, Christine E. Butler, Michael L. Burstall