Patents Assigned to BCB
  • Hemp concrete mixtures and mortars, preparations method and uses
    Patent number: 6913644
    Abstract: The invention relates to concretes and mortars comprising a hydrophilic component such as hemp, flax or straw; a binder which sets in air through absorption of carbon dioxide after reduction in an aqueous phase; at least one additive which forms a microcapillary system array; and at least one matrix water repellency additive.
    Type: Grant
    Filed: June 19, 2002
    Date of Patent: July 5, 2005
    Assignee: BCB
    Inventor: Michel Rizza