Patents by Inventor D'Arcie W. Birch

D'Arcie W. Birch 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: 5539042
    Abstract: A nonwoven surface treating article suitable for treating surfaces while emitting little formaldehyde includes an open, lofty, three-dimensional nonwoven web of a plurality of thermoplastic organic fibers a bound together at places where they contact by a binder, binder comprising 1) a copolymer of an acrylate monomer and an acrylamide monomer, 2) the crosslinked reaction product of a polyol and a melamine crosslinking agent, and 3) the reaction product of a urea derivative and formaldehyde.
    Type: Grant
    Filed: October 13, 1995
    Date of Patent: July 23, 1996
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: D'Arcie W. Birch
  • Patent number: 5458962
    Abstract: A nonwoven surface treating article suitable for treating surfaces while emitting little formaldehyde includes an open, lofty, three-dimensional nonwoven web of a plurality of thermoplastic organic fibers a bound together at places where they contact by a binder, binder comprising 1) a copolymer of an acrylate monomer and an acrylamide monomer, 2) the crosslinked reaction product of a polyol and a melamine crosslinking agent, and 3) the reaction product of a urea derivative and formaldehyde.
    Type: Grant
    Filed: January 13, 1994
    Date of Patent: October 17, 1995
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: D'Arcie W. Birch