Patents by Inventor Margaret Anne McDade

Margaret Anne McDade 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).

  • Patent number: 7732357
    Abstract: Disclosed is a fibrous nonwoven web material and a method of manufacture thereof. The fibrous nonwoven web material includes natural cellulose fibers, manmade cellulose fibers and synthetic fibers. The manmade cellulose fibers are preferably high crystallinity cellulose fibers. The fibrous nonwoven web material has appreciable wet strength yet is capable of dispersing in most aqueous environments with only mild agitation. The fibrous nonwoven web material can be wet laid from an aqueous dispersion of fibers.
    Type: Grant
    Filed: September 14, 2001
    Date of Patent: June 8, 2010
    Assignee: Ahlstrom Nonwovens LLC
    Inventors: Vaughan R Annis, Margaret Anne McDade
  • Publication number: 20040013859
    Abstract: Disclosed is a fibrous nonwoven web material and a method of manufacture thereof. The fibrous nonwoven web material includes natural cellulose fibers, manmade cellulose fibers and synthetic fibers. The manmade cellulose fibers are preferably high crystallinity cellulose fibers. The fibrous nonwoven web material has appreciable wet strength yet is capable of dispersing in most aqueous environments with only mild agitation. The fibrous nonwoven web material can be wet laid from an aqueous dispersion of fibers.
    Type: Application
    Filed: March 14, 2003
    Publication date: January 22, 2004
    Inventors: Vaughan R Annis, Margaret Anne McDade