Patents Assigned to The British Library
  • 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
  • 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