Patents Assigned to Charcoal Cloth Limited
  • CBW protective clothing
    Patent number: 5112666
    Abstract: A composite material suitable for use as CBW protective clothing comprises, in combination:an outer layer (1) of an abrasion-resistant, water-repellent material;an intermediate layer (2) comprising activated charcoal cloth treated to provide liquid-repellency; andan inner layer (3) of an abrasion-resistant material laminated to the intermediate layer.This composite is light, breathable and has low thermal insulation properties, but provides good chemical protection.
    Type: Grant
    Filed: December 21, 1989
    Date of Patent: May 12, 1992
    Assignee: Charcoal Cloth Limited
    Inventor: Richard D. Langston
  • Wound dressing
    Patent number: 4928681
    Abstract: A wound dressing which comprises, in order:a layer of a permeable material suitable for putting in contact with the wound;a layer of a charcoal fabric;an absorbent pad; andone or more layers which protect and substantially prevent liquid strike-through.
    Type: Grant
    Filed: June 30, 1988
    Date of Patent: May 29, 1990
    Assignee: Charcoal Cloth Limited
    Inventors: Richard D. Langston, Frances C. Webb, Simon C. McBeath