With Carbohydrate From An External Source Patents (Class 106/124.51)
  • Method for production of acoustical panels
    Patent number: 10464846
    Abstract: A method of decreasing the water load needed to form a fibrous panel. The process includes admixing a mineral wool, a cellulose, and a binder to provide a pre-mixed slurry, admixing a mineral filler with water to provide a mineral filler slurry, admixing the pre-mixed slurry and the mineral filler slurry to form a dispersion, flowing the dispersion onto a foraminous support wire to provide a green board, dewatering the green board to form a dewatered green board and drying the dewatered green board to provide a fibrous panel.
    Type: Grant
    Filed: August 17, 2017
    Date of Patent: November 5, 2019
    Assignee: USG INTERIORS, LLC
    Inventors: Thomas M. Mayers, Wei Xu, Martin W. Brown