Patents Assigned to CRETAINTEED LLC
  • Patent number: 11261602
    Abstract: A fiber mat includes a unitary assembly of fibers including at least a first set of fibers and at least a first binder comprising an organic resin, wherein the unitary assembly of fibers includes a minority portion and a majority portion different than the minority portion, wherein the fiber mat provides at least a 5% increase in tear when placed in a bituminous roofing product compared to an equivalent bituminous roofing product made with a fiber mat of equivalent weight containing a homogenous mat structure.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: March 1, 2022
    Assignee: CRETAINTEED LLC
    Inventors: Nancy E. Brown, Matthew Gacek, Tao Yu