Patents by Inventor Pierre C. Herault

Pierre C. Herault has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Fibrous insulation with fungicide
    Patent number: 7780816
    Abstract: A fibrous insulation has insulation fibers (104) with a fungicide in a dispersed additive affixed to the fibers (104), and a method of making a fibrous insulation by dispersing a fungicide and a dispersed additive on the fibers (104) followed by affixing the dispersed additive on the fibers (104). The method produces thermal, acoustic, duct liner or board insulation either as loose fill insulation or as an insulation mat.
    Type: Grant
    Filed: October 12, 2004
    Date of Patent: August 24, 2010
    Assignee: CertainTeed Corporation
    Inventors: Murray A. Toas, Pierre C. Herault, Sanford S. Moyer, Joseph A. Michetti
  • Low emission formaldehyde resin and binder for mineral fiber insulation
    Patent number: 6646094
    Abstract: A phenol-formaldehyde resole resin is prepared using a high level of catalyst at a polymerization temperature of about 63° C. The endpoint, measured by salt water tolerance, is selected so that the resulting resin has a water dilutability of 20:1 at neutral pH after storage for three weeks at a temperature of about 13° C., with a free phenol level of no more than 0.50 percent.
    Type: Grant
    Filed: December 17, 2001
    Date of Patent: November 11, 2003
    Assignees: CertainTeed Corporation, Borden Chemical, Inc.
    Inventors: Vinay Malhotra, Wayne Walliser, Susan G. Watson, Pierre C. Herault, Domenic Tessari, Philippe Espiard, Serge Tetart, Bruno Malhieuxe
  • Amine-modified lignosulfonate-extended phenol formaldehyde resins
    Patent number: 4177313
    Abstract: An amine-modified lignosulfonate is formed from a water-soluble basic amine and a water-soluble lignosulfonate salt. The amine-modified lignosulfonate is incorporated into a phenol-formaldehyde resole resin to provide a binder particularly suitable for mineral fiber insulation mats.
    Type: Grant
    Filed: November 28, 1978
    Date of Patent: December 4, 1979
    Assignee: Georgia-Pacific Corporation
    Inventor: Pierre C. Herault