Patents Assigned to Lantor International Limited
  • Non-woven fabrics
    Patent number: 4053670
    Abstract: A process for the manufacture of non-woven fabric which comprises the following steps:A. impregnating a web of non-woven fibers with a chemical binder capable of thermal polymerization and with a curing agent for the binder,B. coagulating but not drying the binder, to form a non-woven fabric,C. coating one face of the fabric with a paste or foam of a waterproofing agent,D. drying the impregnated and coated fabric andE. heat embossing the non-coated face of the fabric; non-woven fabric whenever made by the above process.
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: October 11, 1977
    Assignee: Lantor International Limited
    Inventor: Roger LePoutre