Patents Assigned to Bemalux Inc.
  • Patent number: 4344722
    Abstract: This invention provides a method and a system for waterproofing a desired substrate, and further contemplates, a waterproof and chemical-resistant product. The method provides providing a length of flexible moisture-permeable thin, synthetic sheet material having desired characteristics, placing in contact with the substrate to be waterproofed a layer of the material, covering the layer of material with a central layer of Montmorillonite clay and placing on top of the clay a third layer of the fabric.
    Type: Grant
    Filed: January 19, 1981
    Date of Patent: August 17, 1982
    Assignee: Bemalux Inc.
    Inventor: Jules M. Blais